True Manufacturing Company Refrigerator T 35 User Manual

TRUE FOOD SERVICE EQUIPMENT, INC.  
2001 East Terra Lane • P.O. Box 970 • O’Fallon, Missouri 63366  
(636)-240-2400 • FAX (636)272-2408 • INT’L FAX (636)272-7546 • (800)325-6152  
Parts Department (800)424-TRUE • Parts Department FAX# (636)272-9471  
INSTALLATION MANUAL FOR T-SERIES FREEZER /  
REFRIGERATOR (SWING AND SLIDE DOOR)  
TABLE OF CONTENTS  
Safety Information  
Safety Precautions  
TSD Do’s and Don’ts  
Proper Disposal  
1
2
3
4
4
Connecting Electricity  
Adapter Plugs  
Installation / Operation Instructions  
Ownership  
5
Required Tools  
5
Uncrating  
Leveling Cabinet  
Installation of Castors or Optional Legs  
Installing Optional Castors on a T-12FG  
Wire Gauge Chart  
5
6
7
T-23  
8
9
Sealing Cabinet to Floor & Electrical Inst.  
Start-up  
10  
11  
Shelving Install/Operation & Light Switches 12  
Grasslin Defrost Timer (Freezer Units Only) 13  
Field Troubleshooting (Freezer Units Only) 14-15  
T-35  
Light Cover Install for T-12FG  
16  
Maintenance, Care & Cleaning  
Cleaning Condenser Coil  
17-18  
19  
Temperature Control Adjustment  
Stainless Steel Equipment Care & Cleaning 20-21  
Light Bulb Replacement  
21  
22  
TSD-47G  
Warranty (U.S.A. & CANADA ONLY!)  
*Spanish, German, French, Dutch, and Arabic versions included.  
CONGRATULATIONS!  
You have just purchased the finest commercial  
freezer / refrigerator available. You can expect many  
years of trouble-free operation.  
TSD-69  
T-SERIES  
FREEZER / REFRIGERATOR SWING  
& SLIDE DOOR  
11/12/08 -20K SB #897001  
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True Food Service Equipment, Inc.  
SAFETY INFORMATION  
How to Maintain Your  
Freezer  
/ Refrigerator to Receive the Most  
Efficient and Successful Operation  
You have selected one of the finest commercial refrigeration units made. It is  
manufactured under strict quality controls with only the best quality materials  
available. Your TRUE cooler when properly maintained will give you many  
years of trouble-free service.  
WARNING!  
Use this appliance for its intended purpose as described  
in this Owner Manual.  
SAFETY PRECAUTIONS  
When using electrical appliances, basic safety precautions should be followed, including the following:  
This refrigerator must be properly installed and  
located in accordance with the Installation  
Instructions before it is used.  
NOTE: We strongly recommend that any  
servicing be performed by a qualified  
individual.  
Do not allow children to climb, stand or hang  
on the shelves in the refrigerator. They could  
damage the refrigerator and seriously injure  
themselves.  
Unplug the refrigerator before cleaning and  
making repairs.  
Setting temperature controls to the 0 position  
does not remove power to the light circuit,  
perimeter heaters, or evaporator fans.  
Do not touch the cold surfaces in the freezer  
compartment when hands are damp or wet.  
Skin may stick to these extremely cold surfaces.  
Do not store or use gasoline or other flammable  
vapors and liquids in the vicinity of this or any  
other appliance.  
Keep fingers out of the “pinch point” areas;  
clearances between the doors and between the  
doors and cabinet are necessarily small; be  
careful closing doors when children are in the  
area.  
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True Food Service Equipment, Inc.  
SAFETY INFORMATION  
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True Food Service Equipment, Inc.  
SAFETY INFORMATION  
DANGER!  
RISK OF CHILD ENTRAPMENT  
PROPER DISPOSAL OF THE FREEZER /  
REFRIGERATOR  
Child entrapment and suffocation are not problems  
of the past. Junked or abandoned refrigerators are  
still dangerous… even if they will sit for “just a few  
days.” If you are getting rid of your old refrigerator,  
please follow the instructions below to help  
prevent accidents.  
Refrigerant Disposal  
Your old refrigerator may have a cooling system  
that uses “Ozone Depleting ” chemicals. If you are  
throwing away your old refrigerator, make sure the  
refrigerant is removed for proper disposal by a  
qualified service technician. If you intentionally  
release any refrigerants you can be subject to  
fines and imprisonment under provisions of the  
environmental regulations.  
Before You Throw Away Your Old Refrigerator  
or Freezer:  
Take off the doors.  
Leave the shelves in place so that children may  
not easily climb inside.  
USE OF EXTENSION CORDS  
NEVER USE AN EXTENSION CORD! TRUE will not warranty any refrigerator that has been  
connected to an extension cord.  
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True Food Service Equipment, Inc.  
SAFETY INFORMATION  
WARNING!  
HOW TO CONNECT ELECTRICITY  
Do not, under any circumstances, cut or remove the third (ground) prong from the power cord.  
For personal safety, this appliance must be properly grounded.  
The power cord of this appliance is equipped  
with a 3-prong (grounding) plug which mates  
with a standard 3-prong (grounding) wall outlet to  
minimize the possibility of electric shock hazard  
from this appliance.  
Never unplug your refrigerator by pulling on the  
power cord. Always grip plug firmly and pull  
straight out from the outlet.  
Repair or replace immediately all power cords that  
have become frayed or otherwise damaged. Do not  
use a cord that shows cracks or abrasion damage  
along its length or at either end.  
Have the wall outlet and circuit checked by a  
qualified electrician to make sure the outlet is  
properly grounded.  
When removing the refrigerator away from the  
wall, be careful not to roll over or damage the  
power cord.  
If the outlet is a standard 2-prong outlet, it is your  
personal responsibility and obligation to have it  
replaced with the properly grounded 3-prong wall  
outlet.  
The refrigerator should always be plugged into  
it’s own individual electrical circuit, which has a  
voltage rating that matches the rating plate.  
This provides the best performance and also  
prevents overloading building wiring circuits which  
could cause a fire hazard from overheated wires.  
USE OF ADAPTER PLUGS  
NEVER USE AN ADAPTER PLUG! Because of potential safety hazards under certain conditions, we  
strongly recommend against the use of an adapter plug.  
(North America Use Only!)  
NEMA plugs  
TRUE uses these types of plugs.  
If you do not have the right outlet  
have a certified electrician install  
the correct power source.  
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True Food Service Equipment, Inc.  
INSTALLATION / OPERATION INSTRUCTIONS  
INSTALLATION / OPERATION INSTRUCTIONS  
OWNERSHIP  
To insure that your unit works properly from the  
first day, it must be installed properly. We highly  
recommend a trained refrigeration mechanic and  
electrician install your True equipment. The cost  
of a professional installation is money well spent.  
Before you start to install your True unit,  
carefully inspect it for freight damage. If damage  
is discovered, immediately file a claim with the  
delivery freight carrier.  
True is not responsible for damage incurred  
during shipment.  
REQUIRED TOOLS  
Adjustable Wrench  
Phillips Head Screwdriver  
Level  
UNCRATING  
NOTE:  
Units with a solar thermometer will experience a 15  
second delay after exposed to light before it reads the  
proper temperature.  
C. Remove door bracket on swinging glass door models  
(see image 1-2). Sliding glass door models contain  
shipping blocks (three for each door). Remove  
the two styrofoam blocks taped to the top of the  
door tracks (see image 3). The shipping blocks  
are orange in color and by opening the door a little  
the blocks can be removed (see images 4-6). Do  
not throw the bracket or blocks away. For future  
cabinet movement the bracket and blocks will need  
to be installed so the glass door does not receive any  
damage. (See image for bracket and shipping block  
removal)  
The following procedure is recommended for uncrating  
the unit:  
A. Remove the outer packaging, (cardboard and  
bubbles or styrofoam corners and clear plastic).  
Inspect for concealed damage. Again, immediately  
file a claim with the freight carrier if there is  
damage.  
B. Move your unit as close to the final location as  
Note: Keys for coolers with door locks are located in  
warranty packets.  
possible before removing the wooden skid.  
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5
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INSTALLATION / OPERATION INSTRUCTIONS  
LOCATING  
A. Place packing material behind cabinet as a  
cushion. Carefully lay the unit on its back to  
remove skid.  
Removing  
skid from  
bottom of  
cabinet.  
When lifting unit remember to  
leave the cabinet upright for 24 hours before  
plugging into power source.  
Some units have a  
polyester strap that  
secures the cabinet to  
the shipping skid. Cut  
this polyester strap  
and remove the  
B. Remove skid by unscrewing all base rail anchor  
brackets. Place skid to the side.  
C. Carefully lift cabinet upright.  
wood skid.  
Polyester Strap  
LEVELING  
A. Set unit in its final location. Be sure there is  
adequate ventilation in your room. Under extreme heat  
conditions, (100°F+, 38°C+), you may want to install an  
exhaust fan.  
Warning  
Compressor warranties are void if the unit is more  
than 7 ft. (2.1m) from plug-in connection.  
Warning  
Warranty is void if ventilation is insufficient.  
B. Proper leveling of your True cooler is critical to  
operating success (for non-mobile models). Effective  
condensate removal and door operation will be effected  
by leveling.  
C. The cooler should be leveled front to back and side  
to side with a level.  
D. Ensure that the drain hose or hoses are positioned in  
the pan.  
E. Free plug and cord from inside the lower rear of the  
cooler (do not plug in).  
F. The unit should be placed close enough to the  
electrical supply so that extension cords are never used.  
REMOTE UNITS (This section applies to  
remotes only!)  
• Contact True Technical Service for BTU  
requirements.  
• Remote cabinets must be ordered as remote.  
We do not recommend converting from a  
standard self contained to remote system.  
• No wiring necessary between cabinet and  
condensing unit.  
• All remote cabinets must be hard wired.  
• No castors available.  
• All remote condensing units purchased from  
True are 208/230 volts single phase.  
• All remote cabinets come standard using 404A  
refrigerant.  
If you have any questions regarding this  
section, please call True at 1-(800)-325-6152.  
• All remote units come standard with expansion  
valve, liquid line solenoid, heated condensate  
pan, and defrost timer when applicable.  
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6
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INSTALLATION / OPERATION INSTRUCTIONS  
INSTALLATION OF CASTORS OR OPTIONAL LEGS  
Important Safeguard for installation of leg/castor (Images 1-5 demonstrate procedure)  
Securing Castors and Legs  
B. Install the desired number of shims, making sure  
the slot of the shim is in contact with the threaded  
stem of the castor. (See image 2)  
To obtain maximum strength and stability of the  
unit, it is important that you make sure each castor  
is secure. Optional legs are hand-tightened securely  
against the lower rail assembly see image 4-5. The  
bearing race on the castor or the top edge of the  
leg must make firm contact with the rail.  
C. If more than one shim is used, turn the slot at a  
90° angle so they are not in line.  
D. Turn the bearing race clockwise to tighten  
and secure the castor by tightening the anchoring  
bolt with a 3/4 inch open-end wrench or the tool  
provided. (See image 3)  
Unit leveling  
Four leveling shims have been provided for  
leveling castored units positioned on uneven  
floors. Shims must be positioned between rail  
end and bearing race.  
CAUTION  
To avoid damage to lower rail assembly,  
slowly raise unit to upright position.  
A. Turn the bearing race counter-clockwise until  
the cabinet is level. Level front to back and side to  
side. (diagonally)  
Note: Open holes located on the cross members of the  
frame rail should be plugged before unit is in use.  
1
2
4
3
Thread castor into the  
Thread leg into cabinet  
bottom frame rail.  
For leveling, insert the shim  
Use the tool provided to  
underside of cabinet frame rail.  
between the castor and frame rail. tighten the castor into place.  
Lower Rail  
Assembly  
Lower Rail Assembly  
Rail End  
Rail End  
Snug Fit  
Here  
Bearing  
Race  
Snug Fit  
Here  
Leveling Shim  
5
The end of the leg is  
adjustable to easy leveling.  
Leg  
Castor  
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7
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INSTALLATION / OPERATION INSTRUCTIONS  
INSTALLING OPTIONAL CASTORS ON A T-12FG  
Final Location  
K. Proper leveling of your TRUE cooler is critical to  
operating success. Effective condensate removal and  
door operation will be effected by leveling. Adjust  
castors or add shims.  
A. Place styrofoam corners behind cooler for cushion  
and carefully tilt unit on it’s back.  
B. Remove the louvered grill by removing four  
phillips-head screws.  
C. Remove the four bolts from the skid with an  
adjustable wrench, and locate the four castors. Castors  
are placed inside cooler, within the bubble wrap.  
D. Install one castor in each of the four female threaded  
areas as indicated.  
NOTE: Two out of the four castors are designated  
with an “F” for front. These are provided with  
hand-brakes. Position these castors in FRONT of  
the unit.  
E. When all castors have been threaded fully, replace  
grill and lift unit; positioning it into its final location.  
F. Ensure that the two front castors are positioned  
FORWARD as illustrated and locked down with the  
hand-brakes.  
WARNING:  
Unit may tip forward if procedure “F” is not  
strictly followed.  
G. Units final location should be adequately ventilated.  
Conditions where heat exceeds 100ºF require an  
exhaust fan.  
H. Ensure that the drain hose for hoses are positioned  
in the pan.  
I. Free plug and cord from inside the lower rear of the  
cooler (Do Not Plug In.)  
POSITIONING OF THE  
CASTOR IS CRITICAL.  
ORIENT THE CASTOR IN  
THE FORWARD POSITION  
AS SHOWN  
WARNING:  
Warranty is VOID if ventilation is insufficient.  
J. The unit should be placed close enough to the  
electrical supply so that extension cords are NEVER  
used.  
WARNING:  
Compressor warranties are void if the unit is more  
than 6 1/2ft. (1.98m) from plug-in connection.  
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INSTALLATION / OPERATION INSTRUCTIONS  
CONDUCTORS AND CIRCUITS  
Wire Gauge for 2% Voltage Drop in Supply Circuits  
115 Volt  
Amps  
Distance In Feet To Center of Load  
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Wire Gauge for 2% Voltage Drop in Supply Circuits  
230 Volts  
Amps  
Distance In Feet To Center of Load  
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True Food Service Equipment, Inc.  
INSTALLATION / OPERATION INSTRUCTIONS  
ELECTRICAL INSTRUCTIONS  
A. Before your new unit is connected to a  
WARNING  
power supply, check the incoming voltage with a  
voltmeter. If anything less than 100% of the rated  
voltage for operation is noted, correct immediately.  
Compressor warranties are void if compressor  
burns out due to low voltage.  
WARNING  
Power supply cord ground should not be  
removed!  
B. All units are equipped with a 7 ft. (2.1m) service  
cord, and must be powered at proper operating  
voltage at all times. Refer to cabinet data plate for  
this voltage.  
NOTE  
To reference wiring diagram - Remove front  
louvered grill, wiring diagram is positioned on the  
inside cabinet wall.  
True requires that a sole use circuit be dedicated  
for the unit. Failure to do so voids warranty.  
SEALING CABINET TO FLOOR  
Step 1 - Position Cabinet  
below), To floor on half inch inside the outline  
drawn. The bead must be heavy enough to seal  
the entire cabinet surface when it is down on the  
sealant.  
Allow one inch between the wall and rear of  
the refrigerator to assure proper ventilation. For  
freezers 3 inches between the wall and rear of the  
cabinet will assure proper ventilation.  
Step 6  
Raise and block the rear of the cabinet  
Step 2 - Level Cabinet  
Step 7  
Cabinet should be level, side to side and front to  
back. Place a carpenter’s level in the interior floor  
in four places:  
Apply sealant on floor as outline in Step 5. on other  
three sides.  
A. Position level in the inside floor of the unit  
near the doors. (Level should be parallel to cabinet  
front). Level cabinet.  
Step 8  
Examine to see that cabinet is sealed to floor  
around entire perimeter.  
B. Position level at the inside rear of cabinet.  
(Again level should be placed parallel to cabinet  
back).  
Note:  
Asphalt floors are very susceptible to chemical  
attack. A layer of tape on the floor prior to  
applying the sealant will protect the floor.  
C. Perform similar procedures to steps a & b by  
placing the level on inside floor (left and right  
sides - parallel to the depth of the cooler). Level  
cabinet.  
NSF Approved Sealants:  
1. Minnesota Mining #ECU800 Caulk  
2. Minnesota Mining #ECU2185 Caulk  
3. Minnesota Mining #ECU1055 Bead  
4. Minnesota Mining #ECU1202 Bead  
5. Armstrong Cork - Rubber Caulk  
6. Products Research Co. #5000 Rubber Caulk  
7. G.E. Silicone Sealer  
Step 3  
Draw an outline on the base on the floor.  
Step 4  
Raise and block the front side of the cabinet.  
Step 5  
Apply a bead of “NSF Approved Sealant”, (see list  
8. Dow Corning Silicone Sealer  
10  
10  
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True Food Service Equipment, Inc.  
INSTALLATION / OPERATION INSTRUCTIONS  
FREEZERS ONLY! (COMPRESSOR BAND REMOVAL)  
PLEASE CHECK YOUR COMPRESSOR. IF THERE IS A SHIPPING BAND, PLEASE REMOVE.  
WARNING:  
COMPRESSOR BAND MUST BE REMOVED  
BEFORE UNIT IS CONNECTED TO POWER  
SUPPLY.  
The metal band can be reached from the rear of  
the unit. A pair of tin snips will cut through the  
band. Once the band is located and removed. You  
may proceed with the installation of your new  
equipment. (See image to the right).  
Cutting band that is around compressor  
STARTUP  
A. The compressor is ready to operate. Plug in the  
NOTE  
cooler.  
If the cooler is disconnected or shut off, wait five  
minutes before starting again.  
B. Temperature control set at No. 4 position gives  
refrigerators an approximate temperature of 35°F.  
Allow unit to function several hours, completely  
cooling cabinet before changing the control setting.  
RECOMMENDATION  
Before loading product we recommend you  
run your True unit empty for two to three days.  
This allows you to be sure electrical wiring and  
installation are correct and no shipping damage  
has occurred. Remember, our factory warranty  
does not cover product loss!  
C. Excessive tampering with the control could  
lead to service difficulties. Should it ever become  
necessary to replace temperature control, be sure it  
is ordered from your True dealer or recommended  
service agent.  
REPLACEMENT PARTS  
D. Good air flow in your True unit is critical. Be  
careful to load product so that it neither presses  
against the back wall, nor comes within four inches  
of the evaporator housing. Refrigerated air off the  
coil must circulate down the back wall.  
TRUE maintains a record of the cabinet serial  
number for your cooler. If at any time during  
the life of your cooler, a part is needed, you  
may obtain this part by furnishing the model  
number and serial number to the company from  
whom you purchased the cooler. Call Toll-Free:  
(800)-424-TRUE (Direct to Parts Department).  
(800)-325-6152 (U.S.A. & Canada only) or call:  
(636)-240-2400.  
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INSTALLATION / OPERATION INSTRUCTIONS  
SHELVING INSTALLATION / OPERATION &  
LIGHT SWITCH LOCATION  
SHELF & ORGANIZER INSTALLATION:  
Step 1  
A. Hook shelf clips onto shelf standards.  
(see illustration).  
B. Position all four shelf clips equal in distance  
from the floor for flat shelves.  
T-Series  
& GDM-5  
Airflow  
WIRE SHELVES:  
Guard  
Wire shelves are oriented so that cross support bars  
are facing down.  
Shelf  
NOTE:  
T-Series models include an airflow guard on the rear  
of shelves to maintain an air space at the rear of the  
Shelf  
cabinet. (see illustration).  
Shelf  
Clip  
Step 2  
Pillaster  
Place shelves on shelf clips making sure all corners  
are seated properly.  
LIGHT SWITCH LOCATION:  
Light switch location depends upon the T-Series model.  
Most T-Series models will have the light switch located  
inside the unit on the right side of the ceiling. Most  
instances the switch is located next to the temperature  
control. Some models have the switch located on the  
right side of the evaporator housing along the interior  
ceiling.  
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INSTALLATION / OPERATION INSTRUCTIONS  
FREEZERS DEFROST TIME CLOCK OPERATION  
(Grasslin Timer)  
Your True freezer contains a defrost system  
that is temperature terminated, however  
the time clock has been designed with a  
time termination back-up so that the defrost  
period will not exceed thirty minutes.  
While True requires a minimum 3 defrost  
periods not to exceed 30 minutes the  
procedure on this page should be followed  
to customize your specific needs.  
RECOMMENDED DEFROST  
SETTINGS:  
STEP 1  
The white tabs located on the outmost area  
of the time clock have been factory set  
for (6:00 a.m., 2:00 p.m., and 10:00 p.m.).  
Each tab represents 15 minutes of defrost  
time. Notice that at each defrost time two  
white tabs are set for 15 minutes each for a  
total of 30 minutes of defrost.  
True Manufacturing has factory set your  
defrost time clock to a recommended  
time and duration defrost scenario.  
All refrigeration equipment operating  
below 30°F will accumulate frost on the  
evaporator coil and will require routine  
defrost. Your True equipment has been  
designed for three defrost periods (6:00  
a.m., 2:00 p.m. and 10:00 p.m.). If you  
decide to deviate from these defrost time  
STEP 2  
Notice:  
In order to program the time to begin the  
defrost cycle, flip the white tabs out to set  
the defrost time. To eliminate a defrost  
time flip the white tabs back toward the  
center of the Defrost Timer.  
If timer is not set for a minimum of 3  
defrost per day for 30 minutes each, the coil  
may develop excessive frost. This may lead  
to system failure and product loss, which is  
not covered under warranty.  
settings please follow the  
for adjustment below.  
procedures  
REQUIRED TOOLS:  
Phillips Screwdriver  
1/4” Nut Driver or Socket  
STEP 3  
The following procedure may be  
followed to customize your needs.  
True recommends a 30 minute defrost cycle  
three times per day.  
Locating The Defrost Timer:  
Take off louvered grill assembly by  
removing four (4) corner screws.  
High usage, high temperature, and  
high humidity may require 4 defrost  
settings per day.  
Single Door Models:  
WARNING:  
Defrost timer is located in the lower right  
corner behind the louvered grill (inside  
galvanized electrical box).  
Always follow the manufacturer’s  
recommended settings when  
programming the amount and duration  
of the defrost cycles.  
Two Door Models:  
Defrost timer is located in the middle of the  
cabinet, behind the louvered grill. Timer is  
mounted to the left of the centered ballast  
box (Inside of gray timer box).  
Three Door Models:  
Defrost timer is located on the left upright  
post behind the louvered grill (Inside of  
gray timer box).  
Defrost Timer Box Image 1  
Setting the timer:  
(UNPLUG UNIT FROM  
POWER SUPPLY!)  
DO NOT SET THE TIME BY  
ROTATING THE “OUTER” DIAL.  
Turn the minute hand clockwise until the  
time of day on the outer dial is aligned with  
the triangle marker on the inner dial (two  
o’clock position).  
Outer most dial. White tabs represent 15  
minutes of defrost time.  
Time of day.  
Adjusting The Defrost Timer:  
(time initiated, time or temperature  
terminated)  
Inner most dial.  
Defrost Timer Image 2  
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INSTALLATION / OPERATION INSTRUCTIONS  
Make sure capacitors are discharged  
before checking. Check for continuity  
between each capacitor terminal and the the protector or protectors. All external  
case. Continuity indicates a short, and  
the capacitor should be replaced.  
5. If the compressor has an external  
protector, check for continuity through  
IF THE COMPRESSOR WILL  
NOT RUN  
1. If there is no voltage at the  
compressor terminals, follow the  
wiring diagram and check back from  
compressor to the power supply to find  
where the circuit is interrupted.  
inherent protectors on compressors can  
be replaced in the field.  
Substitute a “known to be good” start  
capacitor if available. If compressor  
then starts and runs properly, replace  
the original start capacitor.  
IF THE MOTOR COMPRESSOR  
STARTS BUT TRIPS  
REPEATEDLY ON THE  
2. If power is available at the  
compressor terminals, and the  
compressor does not run, check the  
voltage at the compressor terminals  
while attempting to start the  
compressor.  
OVERLOAD PROTECTOR  
1. Check the compressor suction  
and discharge pressures while the  
compressor is operating. Be sure the  
pressures are within the limitations  
of the compressor. If pressures are  
excessive it may be necessary to clean  
the condenser, purge air from the  
system, replace crankcase pressure  
regulating valve.  
If a capacitor tester is not available, an  
ohmmeter may be used to check run  
and start capacitors for shorts or open  
circuits. Use an ohmmeter set to its  
highest resistance scale, and connect  
prods to capacitor terminals.  
If voltage at the compressor terminals is  
below 90% of the nameplate voltage, it  
is possible the motor may not develop  
sufficient torque to start. Check to  
determine if wire sizes are adequate,  
electrical connections are loose, the  
circuit is overloaded, or if the power  
supply is inadequate.  
a) With a good capacitor, the  
indicator should first move zero, and  
then gradually increase to infinity.  
b) If there is no movement of the  
ohmmeter indicator, an open circuit is  
indicated.  
An excessively low suction pressure  
may indicate a loss of charge.  
c) If the ohmmeter indicator  
On units with no service gauge parts  
where pressures can be checked, check  
condenser to be sure it is clean and fan  
is running. Excessive temperatures on  
suction and discharge line may also  
indicate abnormal operating conditions.  
moves to zero, and remains there or on  
a low resistance reading, a short circuit  
is indicated. Defective capacitors  
should be replaced.  
3. On single phase compressors,  
a defective capacitor or relay may  
prevent the compressor starting. If  
the compressor attempts to start but  
is unable to do so, or if there is a  
humming sound, check the relay to  
see if the relay contacts are damaged  
or fused. The relay points should be  
closed during the initial starting cycle,  
but should open as the compressor  
comes up to speed.  
4. If the correct voltage is available  
at the compressor terminals, and no  
current is drawn, remove all wires from  
the terminals and check for continuity  
through the motor windings. On single  
phase motor compressors, check for  
continuity from terminals C to R, and C  
to S. On compressors with line break  
inherent protectors, an open overload  
protector can cause a lack of continuity.  
If the compressor is warm, wait one  
hour for the compressor to cool and  
recheck. If continuity cannot be  
2. Check the line voltage at the motor  
terminals while the compressor is  
operating. The voltage should be  
within 10% of the nameplate voltage  
rating. If outside those limits, the  
voltage supply must be brought  
within the proper range, or a motor  
compressor with different electrical  
characteristics must be used.  
Remove the wires from the starting  
relay and capacitors. Use a high  
voltage ohmmeter to check for  
continuity throughout the relay  
coil. Replace the relay if there is not  
continuity. Use an ohmmeter to check  
across the relay contacts. Potential  
relay contacts are normally closed when  
the relay is not energized, current relay  
contacts are normally open. If either  
gives an incorrect reading, replace the  
relay.  
3. Check the amperage drawn while  
the compressor is operating. Under  
normal operating conditions, the  
amperage drawn will seldom exceed  
110% of the nameplate amperage.  
High amperage can be caused by low  
voltage, defective running capacitors,  
or a defective starting relay.  
established through all motor windings,  
the compressor should be replaced.  
Check the motor for ground by means  
of a continuity check between the  
common terminal and the compressor  
shell. If there is a ground, replace the  
compressor.  
Any capacitor found to be bulging,  
leaking, or damaged should be  
Continued on next page  
replaced.  
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INSTALLATION / OPERATION INSTRUCTIONS  
4. If all operating conditions are  
normal, the voltage supply at the  
compressor terminals balanced and  
compartment in the top of the  
freezer. This control is attached to the  
evaporator drain pan.  
3. Check the compressor discharge  
pressure. An abnormally high  
within limits, the compressor crankcase discharge pressure can cause a loss of  
temperature within normal limits,  
and the amperage drawn within the  
specified range, the motor protector  
may be defective, and should be  
replaced.  
If the operating conditions are normal  
and the compressor is running  
excessively hot for no observable  
reason, or if the amperage drawn is  
above the normal range and sufficient  
to repeatedly trip the protector, the  
compressor has internal damage and  
should be replaced.  
capacity, and can be caused by a dirty  
condenser, a malfunctioning condenser  
fan, or air in the system.  
3. Coil Defrost Heater  
A. Lower the evaporator cover.  
Disconnect the coil heater by removing  
the wire nuts at the point where the  
heater joins the electrical circuit of the  
freezer in the evaporator compartment.  
Check heater for continuity with an  
ohmmeter. If the heater is defective,  
cut the bale wires holding the heater  
to the coil and remove the heater.  
Replace with a new heater using bale  
wires provided.  
4. If the suction pressure is high,  
and the evaporator and condenser  
are functioning normally, check the  
compressor amperage draw. An  
amperage draw near or above the  
nameplate rating indicates normal  
compressor or unit may have damaged  
valves.  
An amperage draw considerably below  
the nameplate rating may indicate a  
broken suction reed or broken  
4. Drain Tube Heater  
A. Lower the evaporator cover.  
Disconnect the drain tube heater by  
removing the wire nuts at the point  
where the heater joins the electrical  
circuit of the freezer in the evaporator  
compartment. Check the drain tube  
heater with an ohmmeter.  
IF THE COMPRESSOR RUNS  
BUT WILL NOT REFRIGERATE  
connecting rod in the compressor.  
DIAGNOSIS AND  
REPLACEMENT OF FREEZER  
CABINET COMPONENTS  
1. Check the refrigerant charge.  
Check the evaporator surface  
to determine if it is evenly cold  
throughout, or if partially starved. A  
lack of charge may be indicated by  
light, fluffy frost at the evaporator inlet.  
Add refrigerant if necessary.  
B. If the drain tube heater is  
1. Defrost Time Clock  
A. Check timer motor to be sure  
it runs.  
defective, disconnect the drain tube  
from the rigid plastic drain, bend the  
tabs that hold the evaporator drain pan  
to the evaporator cover and raise the  
drain pan so that the flexible heater is  
visible, pull heater out of the plastic  
drain tube and replace. Connect heater  
to the electrical circuit in the evaporator  
compartment.  
B. Check contacts on the defrost  
timer.  
C. Check solenoid windings for  
continuity to ensure contact  
switching.  
D. Check to be sure defrost  
actuator pins are in proper  
position.  
E. Check all wires in the timer for  
tightness to terminals and  
broken wires.  
2. Check the compressor suction  
pressure. An abnormally low pressure  
may indicate a loss of refrigerant  
charge, a malfunctioning capillary tube,  
a lack of evaporator capacity possibly  
due to icing or low air flow, or a  
restriction in the system.  
5. Cabinet Temperature  
Control  
Often a restriction in a drier or strainer  
can be identified by frost or a decrease  
in temperature across the restriction due  
to the pressure drop in the line. This  
will be true only if liquid refrigerant  
is in the line at the restricted point,  
since any temperature change due to  
restriction would be caused by the  
flashing of liquid into vapor as the  
pressure changes.  
A. Remove the two screws on the  
right side of the evaporator housing  
that holds the control mounting plate.  
Reach behind the evaporator housing  
on the control side of the cabinet  
and pull the control bulb out of the  
receptacle in the roof of the cabinet.  
Disconnect the wires from the control.  
Check control for continuity, replace if  
defective.  
2. Defrost Control On The  
Evaporator Drain Pan  
A. If the defrost time is always  
35 minutes (or whatever duration  
the elapsed time adjustment is set  
at) and the fan motors do not delay  
after a defrost cycle and it has been  
determined that the solenoid in the  
defrost clock is functioning, change  
the defrost control in the evaporator  
Any abnormal restriction in the system  
must be corrected.  
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INSTALLATION / OPERATION INSTRUCTIONS  
Light Cover Installation for T-12FG  
Rubber Gasket  
REQUIRED TOOLS  
• none  
1
- IMPORTANT -  
Before installing lampcover  
turncabinetonandallowitto
reachtemperature.
Lamp Holder  
STEP 1  
Locate rubber gasket behind lamp holder  
mounted to evaporator housing. (See  
Image 1).  
STEP 2  
2
Fit the bottom edge of the lamp cover  
into the bottom groove of the rubber  
gasket and rotate upwards while  
working the edges into the rest of the  
rectangular groove. (See Images 2-3).  
(slide fingers underneath top edges of  
rubber gasket and push rubber over the  
top lip of the lamp shield)  
STEP 3  
Be sure lamp cover is seated properly in  
rubber gasket.  
Lamp Cover  
3
- NOTE -  
If cabinetis turned offand  
interiorallowedtowarmup
lampcovermaybecomeloose
andrequirereinstallation.  
Follow directions above.  
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MAINTENANCE, CARE & CLEANING  
MAINTENANCE, CARE & CLEANING  
CLEANING THE CONDENSER COIL  
When using electrical appliances, basic safety precautions should be followed, including the following:  
REQUIRED TOOLS:  
• Phillips Screwdriver  
• Stiff Bristle Brush  
• Adjustable Wrench  
OUTDOOR LOCATION:  
(GDM-33, GDM-47, and GDM-49 only) After  
brushing condenser coil blow CO2 through  
condenser  
from fin side to fan. (See Image 4.)  
Step 7  
• Air Tank or CO2 Tank  
• Vacuum Cleaner  
Replace cardboard cover. Carefully slide  
compressor assembly back into position and  
replace bolts.  
Step 1  
Disconnect power to unit.  
Step 2  
Step 8  
Reinstall louver assembly onto unit with  
appropriate fastener and clips. Tighten all screws.  
SLIDE DOOR MODELS: (See Image 1)  
Take off lower grill assembly by removing two (2)  
screws in lower corners. (older models may have  
snap lock tabs instead of screws).  
Step 9  
Connect unit to power and check to see if  
compressor is running.  
Loosen screws holding the top pivot pins. Swing  
grill up and remove frame hooks from pivot pins at  
top of louver.  
SWING DOOR MODELS: (See Image 2)  
Take off lower grill assembly by removing four (4)  
corner screws.  
Image 2. Swing Door Models  
Image 1. Slide Door Models  
Step 3  
Remove bolts anchoring compressor assembly  
to frame rails and carefully slide out. (tube  
connections are flexible)  
Step 4  
Clean off accumulated dirt from the condenser coil  
and the fan with a stiff bristle brush.  
Step 5  
Image 3.  
Lift cardboard cover above fan at plastic plugs and  
carefully clean condenser coil and fan blades.  
Step 6  
INDOOR LOCATION:  
After brushing condenser coil vacuum dirt from  
coil, and interior floor.  
1
2
7
Image 4.  
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MAINTENANCE, CARE & CLEANING  
IMPORTANT WARRANTY INFORMATION  
Condensers accumulate dirt and require cleaning every 30 days. Dirty condensers result in compressor  
failure, product loss, and lost sales... which are not covered by warranty.  
If you keep the Condenser clean you will minimize your service expense and lower your electrical costs.  
The Condenser requires scheduled cleaning every thirty days or as needed.  
Air is pulled through the Condenser continuously, along with dust, lint, grease, etc.  
A dirty Condenser can result in NON-WARRANTEED part & Compressor Failures, Product Loss, and Lost  
Sales.  
Proper cleaning involves removing dust from the Condenser. By using a soft brush, or vacuuming the  
Condenser with a shop vac, or using CO2, nitrogen, or pressurized air.  
If you cannot remove the dirt adequately, please call your refrigeration service company.  
On most of the units the condenser is accessible in the rear of the unit. You must remove the cabinet  
grill to expose the Condenser.  
The Condenser looks like a group of vertical fins. You need to be able to see through the condenser for  
the unit to function at maximum capacity. Do not place filter material in front of condensing coil. This  
material blocks air-flow to the coil similar to having a dirty coil.  
THE CLEANING OF THE CONDENSER IS NOT  
COVERED BY THE WARRANTY!  
HOW TO CLEAN THE CONDENSER:  
1. Disconnect the electrical power to the unit.  
2. Remove the louvered grill.  
3. Vacuum or brush the dirt, lint, or debris from the finned condenser coil.  
4. If you have a significant dirt build up you can blow out the condenser with compressed air.  
(CAUTION MUST BE USED to avoid eye injury. Eye protection is recommended.)  
5. When finished be sure to replace the louvered grill. The grill protects the condenser.  
6. Reconnect the electrical power to the unit.  
If you have any questions, please call True Manufacturing at 636-240-2400 or 800-325-6152 and ask for  
the Service Department. Service Department Availability Monday-Friday 7:30 a.m. to 5:30p.m.  
and Saturday 7:45 a.m. to 11:45 a.m. CST.  
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MAINTENANCE, CARE & CLEANING  
TEMPERATURE CONTROL ADJUSTMENT FOR  
HIGH ALTITUDE ONLY!  
TERMS:  
__________ STEP 4 ___________  
Cut-out - Temperature sensed  
by the controller that shuts the  
compressor off.  
For high elevation installations,  
it may be necessary to  
“warm-up” the set points. To  
make the adjustment, insert  
the appropriate tool in each  
adjustment screw and turn 1/4  
of a revolution clockwise (to  
the right). This procedure will  
adjust both the cut-in and cut-out  
about 2°F warmer.  
Cut-in - Temperature sensed  
by the controller that turns the  
compressor on.  
REQUIRED TOOLS  
• Phillips Head Screwdriver  
• 5/64” or 2 mm Allen Wrench  
• T-7 Torx Wrench  
__________ STEP 5 ___________  
__________ STEP 1 ___________  
Make sure to reconnect the pink  
wire to the proper spade  
Unplug the cooler.  
terminal when reinstalling.  
__________ STEP 2 ___________  
Remove the screws that secure  
the temperature control to the  
inset box lower left side of the  
cabinet (when facing the front of  
the cabinet).  
Danfoss Temperature Control (High Altitude Only!)  
__________ STEP 3 ___________  
Cut-out Adjustment Screw Allen  
(5/64” or 2 mm) (clockwise for  
warmer)  
Pull out gently from cabinet.  
NOTE:  
Cut-in Adjustment Screw Torx (T-7)  
(clockwise for warmer)  
Mechanical temperature  
controllers are affected when  
functioning at high altitude.  
The cut-in and cut-out  
Compressor Connection (pink)  
Compressor Connection (pink)  
temperatures will be colder  
than when the controller  
functions closer to sea level  
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MAINTENANCE, CARE & CLEANING  
Stainless Steel Equipment Care and Cleaning  
CAUTION: Do not use any steel wool, abrasive or chlorine based products to clean stainless  
steel surfaces.  
Stainless Steel Opponents  
There are three basic things which can break down your stainless steel’s passivity layer and allow  
corrosion to rear its ugly head.  
1) Scratches from wire brushes, scrapers, and steel pads are just a few examples of items that can be  
abrasive to stainless steel’s surface.  
2) Deposits left on your stainless steel can leave spots. You may have hard or soft water depending on  
what part of the country you live in. Hard water can leave spots. Hard water that is heated can  
leave deposits if left to sit too long. These deposits can cause the passive layer to break down and  
rust your stainless steel. All deposits left from food prep or service should be removed as soon as  
possible.  
3) Chlorides are present in table salt, food, and water. Household and industrial cleaners are the worst  
type of chlorides to use.  
8 steps that can help prevent rust on stainless steel:  
1. Using the correct cleaning tools  
Use non-abrasive tools when cleaning your stainless steel products. The stainless steel’s passive  
layer will not be harmed by soft cloths and plastic scouring pads. Step 2 tells you how to find the  
polishing marks.  
2. Cleaning along the polish lines  
Polishing lines or “grain” are visible on some stainless steels. Always scrub parallel to visible lines  
on some stainless steels. Use a plastic scouring pad or soft cloth when you cannot see the grain.  
3. Use alkaline, alkaline chlorinated or non-chloride containing cleaners  
While many traditional cleaners are loaded with chlorides, the industry is providing an ever  
increasing choice of non-chloride cleaners. If you are not sure of your cleaner’s chloride content  
contact your cleaner supplier. If they tell you that your present cleaner contains chlorides, ask if  
they have an alternative. Avoid cleaners containing quaternary salts as they can attack stainless  
steel, causing pitting and rusting.  
4. Water Treatment  
To reduce deposits, soften the hard water when possible. Installation of certain filters can remove  
corrosive and distasteful elements. Salts in a properly maintained water softener can be to your  
advantage. Contact a treatment specialist if you are not sure of the proper water treatment.  
5. Maintaining the cleanliness of your food equipment  
Use cleaners at recommended strength (alkaline, alkaline chlorinated or non-chloride). Avoid  
build-up of hard stains by cleaning frequently. When boiling water with your stainless steel  
equipment, the single most likely cause of damage is chlorides in the water. Heating any cleaners  
containing chlorides will have the same damaging effects.  
6. Rinse  
When using chlorinated cleaners you must rinse and wipe dry immediately. It is better to wipe  
standing cleaning agents and water as soon as possible. Allow the stainless steel equipment to air  
dry. Oxygen helps maintain the passivity film on stainless steel.  
7. Hydrochloric acid (muriatic acid) should never be used on stainless steel  
8. Regularly restore/passivate stainless steel  
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MAINTENANCE, CARE & CLEANING  
Stainless Steel Equipment Care and Cleaning  
Recommended cleaners for certain situations / environments of stainless steel  
A) Soap, ammonia and detergent medallion applied with a cloth or sponge can be used for routine  
cleaning.  
B) Arcal 20, Lac-O-Nu Ecoshine applied provides barrier film for fingerprints and smears.  
C) Cameo, Talc, Zud First Impression is applied by rubbing in the direction of the polished lines for  
stubborn stains and discoloring.  
D) Easy-off and De-Grease It oven aid are excellent for removals on all finishes for grease-fatty acids,  
blood and burnt-on foods.  
E) Any good commercial detergent can be applied with a sponge or cloth to remove grease and oil.  
F) Benefit, Super Sheen, Sheila Shine are good for restoration / passivation.  
NOTE:  
The use of stainless steel cleaners or other such solvents is not  
recommended on plastic parts. Warm soap and water will suffice.  
LIGHT BULB REPLACEMENT  
IDL (Integrated Door Lighting)  
WARNING:  
INTERIOR LIGHTS:  
Disconnect power to cabinet before  
replacing light bulbs.  
Simply unscrew the light bulb(See Image 1 & 2).  
IDL (INTEGRATED DOOR LIGHTING):  
Squeeze the plastic lampshield together and pull  
away from the door (See Image 3).  
Push the bulb down while pulling the spring  
activated lampholder up. This will give you  
enough clearance to take the bulb out  
(See Image 4).  
1
Interior Light  
3
IDL (Integrated Door Lighting)  
4
IDL (Integrated Door Lighting)  
2
Interior Light  
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TRUE REFRIGERATIONTM  
MADE IN  
WARRANTY INFORMATION (U.S.A & CANADA ONLY!)  
U.S.A.  
SINCE 1945  
ONE YEAR PARTS & LABOR WARRANTY  
TRUE warrants to the original purchaser of every new TRUE refrigerated unit, the cabinet and all parts thereof, to be free from defects in material or  
workmanship, under normal and proper use and maintenance service as specified by TRUE and upon proper installation and start-up in accordance with  
the instruction packet supplied with each TRUE unit. TRUE’s obligation under this warranty is limited to a period of one (1) year from the date of original  
installation or 15 months after shipment date from TRUE, whichever occurs first.  
Any part covered under this warranty that are determined by TRUE to have been defective within one (1) year of original installation or fifteen (15)  
months after shipment date from manufacturer, whichever occurs first, is limited to the repair or replacement, including labor charges, of defective parts or  
assemblies. The labor warranty shall include standard straight time labor charges only and reasonable travel time, as determined by TRUE.  
ADDITIONAL FOUR YEAR COMPRESSOR WARRANTY  
In addition to the one (1) year warranty stated above, TRUE warrants its hermetically and semi-hermetically sealed compressor to be free from defects  
in both material and workmanship under normal and proper use and maintenance service for a period of four (4) additional years from the date of original  
installation but not to exceed five (5) years and three (3) months after shipment from the manufacturer.  
Compressors determined by TRUE to have been defective within this extended time period will, at TRUE’s option, be either repaired or replaced with a  
compressor or compressor parts of similar design and capacity.  
The four (4) year extended compressor warranty applies only to hermetically and semi-hermetically sealed parts of the compressor and does not apply  
to any other parts or components, including, but not limited to, cabinet, paint finish, temperature control, refrigerant, metering device, driers, motor starting  
equipment, fan assembly or any other electrical component, etcetera.  
404A/134A COMPRESSOR WARRANTY  
The four year compressor warranty detailed above will be voided if the following procedure is not carefully adhered to:  
1. This system contains R404A or R134A refrigerant and polyol ester lubricant. The polyol ester lubricant has rapid moisture absorbing qualities. If long  
exposure to the ambient conditions occur, the lubricant must be removed and replaced with new. For oil amounts and specifications please call True  
technical service department (800-325-6152). Failure to comply with recommended lubricant specification will void the compressor warranty.  
2. Drier replacement is very important and must be changed when a system is opened for servicing. A drier using XH-7 desiccant or an exact  
replacement solid core drier must be used. The new drier must also be the same capacity as the drier being replaced.  
3. Micron level vacuums must be achieved to insure low moisture levels in the system. 500 microns or lower must be obtained.  
WARRANTY CLAIMS  
All claims for labor or parts must be made directly through TRUE. All claims should include: model number of the unit, the serial number of the cabinet,  
proof of purchase, date of installation, and all pertinent information supporting the existence of the alleged defect.  
In case of warranty compressor, the compressor model tag must be returned to TRUE along with above listed information.  
Any action or breach of these warranty provisions must be commenced within one (1) year after that cause of action has occurred.  
WHAT IS NOT COVERED BY THIS WARRANTY  
TRUE’s sole obligation under this warranty is limited to either repair or replacement of parts, subject to the additional limitations below. This warranty  
neither assumes nor authorizes any person to assume obligations other than those expressly covered by this warranty.  
NO CONSEQUENTIAL DAMAGES. TRUE IS NOT RESPONSIBLE FOR ECONOMIC LOSS; PROFIT LOSS; OR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES,  
INCLUDING WITHOUT LIMITATION, LOSSES OR DAMAGES ARISING FROM FOOD OR PRODUCT SPOILAGE CLAIMS WHETHER OR NOT ON ACCOUNT OF  
REFRIGERATION FAILURE.  
WARRANTY IS NOT TRANSFERABLE. This warranty is not assignable and applies only in favor of the original purchaser/user to whom delivered. ANY SUCH  
ASSIGNMENT OR TRANSFER SHALL VOID THE WARRANTIES HEREIN MADE AND SHALL VOID ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY  
OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
IMPROPER USAGE. TRUE ASSUMES NO LIABILITY FOR PARTS OR LABOR COVERAGE FOR COMPONENT FAILURE OR OTHER DAMAGES RESULTING FROM  
IMPROPER USAGE OR INSTALLATION OR FAILURE TO CLEAN AND/OR MAINTAIN PRODUCT AS SET FORTH IN THE WARRANTY PACKET PROVIDED WITH THE UNIT.  
ALTERATION, NEGLECT, ABUSE, MISUSE, ACCIDENT, DAMAGE DURING TRANSIT OR INSTALLATION, FIRE, FLOOD, ACTS OF GOD. TRUE is not responsible for  
the repair or replacement of any parts that TRUE determines have been subjected after the date of manufacture to alteration, neglect, abuse, misuse,  
accident, damage during transit or installation, fire, flood, or act of God.  
IMPROPER ELECTRICAL CONNECTIONS. TRUE IS NOT RESPONSIBLE FOR THE REPAIR OR REPLACEMENT OF FAILED OR DAMAGED COMPONENTS RESULTING  
FROM ELECTRICAL POWER FAILURE, THE USE OF EXTENSION CORDS, LOW VOLTAGE, OR VOLTAGE DROPS TO THE UNIT.  
NO IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE: THERE ARE NO OTHER WARRANTIES, EXPRESSED, IMPLIED OR  
STATUTORY, EXCEPT THE ONE (1) YEAR PARTS & LABOR WARRANTY AND THE ADDITIONAL FOUR (4) YEAR COMPRESSOR WARRANTY AS DESCRIBED ABOVE.  
THESE WARRANTIES ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, INCLUDING IMPLIED WARRANTY AND MERCHANTABILITY OR FITNESS FOR A  
PARTICULAR PURPOSE. THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF.  
OUTSIDE U.S.: This warranty does not apply to, and TRUE is not responsible for, any warranty claims made on products sold or used outside the United  
States.  
REMOTE CONDENSERS: True warrants the original purchaser of the remote cabinet one year parts and labor coverage for all cabinet parts thereof to  
be free from defects in material or workmanship, under normal and proper use and maintenance service, as specified by True. This warranty is limited to the  
cabinet only. True assumes no liability for remote condensing units.  
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