True Manufacturing Company Refrigerator T 23DT User Manual

TRUE FOOD SERVICE EQUIPMENT, INC.  
2001 East Terra Lane • O’Fallon, Missouri 63366-4434  
(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-23DT FREEZER /  
REFRIGERATOR (SWING DOOR)  
TABLE OF CONTENTS  
Safety Information  
Safety Precautions  
Proper Disposal  
Connecting Electricity  
Adapter Plugs  
1
2
3
3
Installation / Operation Instructions  
Ownership  
Required Tools  
4
4
Uncrating  
Leveling Cabinet  
4
5
Installation of Castors or Optional Legs  
Wire Gauge Chart  
Sealing Cabinet to Floor & Electrical Inst.  
Start-up  
6
7
8
9
Shelving Install/Operation & Light Switches  
Temperature Control Sequence of Operation  
11  
11-14  
Maintenance, Care & Cleaning  
Cleaning Condenser Coil  
Stainless Steel Equipment Care & Cleaning  
Light Bulb Replacement  
15-16  
17-18  
18  
Warranty (U.S.A. & CANADA ONLY!)  
19  
CONGRATULATIONS!  
You have just purchased the finest commercial  
freezer / refrigerator available. You can expect many  
years of trouble-free operation.  
T-23DT  
T-23DT  
FREEZER / REFRIGERATOR  
SWING DOOR  
#950157 • SB  
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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.  
This cabinet contains fluorinated greenhouse gas covered by the Kyoto Protocol  
(please refer to cabinet’s inner label for type and volume,  
GWP of 134a= 1,300. R404a= 3,800).  
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.  
• Do not touch the cold surfaces in the freezer  
compartment when hands are damp or wet. Skin  
may stick to these extremely cold surfaces.  
• Unplug the refrigerator before cleaning and  
making repairs.  
• Setting temperature controls to the off position does  
not remove power to the light circuit, perimeter  
heaters, or evaporator fans.  
• 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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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.  
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.  
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.  
USE OF EXTENSION CORDS  
NEVER USE AN EXTENSION CORD! TRUE will not warranty any refrigerator that has been  
connected to an extension cord.  
2
2
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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 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  
grounding plug which mates with a standard grounding wall  
outlet to minimize the possibility of electric shock hazard from  
this appliance.  
Have the wall outlet and circuit checked by a qualified  
electrician to make sure the outlet is properly grounded.  
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.  
If the outlet is a standard 2-prong outlet, it is your personal  
responsibility and obligation to have it replaced with the  
properly grounded wall outlet.  
When removing the refrigerator away from the wall, be  
careful not to roll over or damage the power cord.  
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.  
3
3
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INSTALLATION / OPERATION INSTRUCTIONS  
INSTALLATION / OPERATION INSTRUCTIONS  
OWNERSHIP  
To ensure 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  
The following procedure is recommended for uncrating the  
unit:  
C. Remove door bracket on swinging glass door models (see  
image 1-2). Do not throw the bracket or blocks away.  
For future cabinet movement the bracket will need to be  
installed so the glass door does not receive any damage.  
(See image for bracket removal)  
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.  
NOTE  
Keys for coolers with door locks are located in warranty packets.  
B. Move your unit as close to the final location as possible  
before removing the wooden skid.  
1
2
4
4
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INSTALLATION / OPERATION INSTRUCTIONS  
LOCATING  
A. Remove louver from the front of cabinet (see page 17 for  
louver grill removal / reinstallation) and backguard (if  
applicable) from rear of cabinet.  
B. Skid bolts are located in each of 4 corners inside cabinet  
bottom. (See photo A).  
A
B
C
C. Remove skid bolts. (See photo B).  
D. Cut straps if applicable. (See photo C).  
E. Carefully lift cabinet off of skid.  
Removing skid from bottom  
of cabinet.  
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  
Cabinet warranties are void if OEM power cord is tampered  
with. TRUE will not warranty any units that are connected to  
an extension cord.  
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!)  
Remote cabinets must be ordered as remote.  
We do not recommend converting from a  
standard self contained to remote system.  
All remote cabinets must be hard wired.  
No castors available.  
All remote cabinets come standard using 404A  
refrigerant.  
All remote units come standard with expansion  
valve, liquid line solenoid, heated condensate  
pan, and defrost timer when applicable.  
Contact TRUE Technical Service for BTU  
requirements.  
No wiring necessary between cabinet and  
condensing unit.  
All remote condensing units purchased from  
TRUE are 208/230 volts single phase.  
If you have any questions regarding this section, please  
call TRUE at 1-(800)-325-6152.  
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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.  
NOTE  
Open holes located on the cross members of the frame rail  
should be plugged before unit is in use.  
A. Turn the bearing race counter-clockwise until the  
cabinet is level. Level front to back and side to side.  
(diagonally)  
4
1
2
3
Thread castor into the underside of  
cabinet frame rail.  
Thread leg into cabinet bottom  
frame rail.  
For leveling, insert the shim  
Use the tool provided to tighten  
the castor into place.  
between the castor and frame rail.  
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  
6
6
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INSTALLATION / OPERATION INSTRUCTIONS  
CONDUCTORS AND CIRCUITS  
Wire Gauge for 2% Voltage Drop in Supply Circuits  
115 Volt  
Distance In Feet To Center of Load  
30 40 50 60 70  
14 14 14  
Amps  
20  
14  
14  
14  
14  
14  
80  
14  
14  
14  
14  
12  
90  
14  
14  
14  
12  
12  
100  
14  
14  
14  
12  
12  
120  
14  
14  
12  
12  
10  
140  
14  
14  
12  
10  
10  
160  
14  
12  
12  
10  
10  
2
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14  
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14  
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30  
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12  
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1
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1
1
8
8
Wire Gauge for 2% Voltage Drop in Supply Circuits  
230 Volts  
Distance In Feet To Center of Load  
Amps  
20  
14  
14  
14  
14  
14  
30  
14  
14  
14  
14  
14  
40  
14  
14  
14  
14  
14  
50  
14  
14  
14  
14  
14  
60  
14  
14  
14  
14  
14  
70  
14  
14  
14  
14  
14  
80  
14  
14  
14  
14  
14  
90  
14  
14  
14  
14  
14  
100  
14  
14  
14  
14  
12  
120  
14  
14  
14  
12  
12  
140  
14  
14  
12  
12  
12  
160  
14  
12  
12  
12  
10  
5
6
7
8
9
10  
12  
14  
16  
18  
14  
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8
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20  
25  
30  
35  
40  
14  
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12  
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12  
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10  
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50  
60  
12  
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1
1
4
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2
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1
1
70  
8
80  
90  
100  
8
8
6
8
6
7
7
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True Food Service Equipment, Inc.  
INSTALLATION / OPERATION INSTRUCTIONS  
ELECTRICAL INSTRUCTIONS  
A. Before your new unit is connected to a power supply,  
check the incoming voltage with a voltmeter. If  
anything less than 100% of the rated voltage for  
operation is noted, correct immediately.  
B. All units are equipped with a service cord, and must  
be powered at proper operating voltage at all times.  
Refer to cabinet data plate for this voltage.  
WARNING  
Compressor warranties are void if compressor burns out  
due to low voltage.  
WARNING  
Power supply cord ground should not be removed!  
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  
Step 6  
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.  
Raise and block the rear of the cabinet  
Step 7  
Apply sealant on floor as outline in Step 5. on other  
three sides.  
Step 2 - Level Cabinet  
Step 8  
Cabinet should be level, side to side and front to back.  
Place a carpenter’s level in the interior floor in four  
places:  
A. Position level in the inside floor of the unit near the  
doors. (Level should be parallel to cabinet front).  
Level cabinet.  
Examine to see that cabinet is sealed to floor around  
entire perimeter.  
NOTE  
Asphalt floors are very susceptible to chemical attack. A  
layer of tape on the floor prior to applyingthe sealant will  
protect the floor.  
B. Position level at the inside rear of cabinet. (Again  
level should be placed parallel to cabinet back).  
NSF Approved Sealants:  
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.  
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  
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.  
8. Dow Corning Silicone Sealer  
8
8
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INSTALLATION / OPERATION INSTRUCTIONS  
STARTUP  
A. The compressor is ready to operate. Plug in the  
cooler.  
NOTE  
B. Factory approximate refrigerator temperature of 35°F  
and approximate freezer temperature of -10˚F. Allow  
unit to function several hours, completely cooling  
cabinet before changing the control setting.  
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.  
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.  
If the cooler is disconnected or shut off, wait five minutes  
before starting again.  
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!  
REPLACEMENT PARTS  
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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9
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INSTALLATION / OPERATION INSTRUCTIONS  
SHELVING INSTALLATION / OPERATION &  
LIGHT SWITCH LOCATION  
WARNING  
Do not use pliers or any crimping tools when  
installing shelf clips. Altering shelf clips in any  
way can lead to shelving instability.  
3
1
You may need to squeeze or twist the bottom  
of the shelf clip to install)  
(Installing top tab of shelf clip)  
Step 2  
Bottom tab of the shelf clip will fit tightly.  
You may need to squeeze or twist the  
bottom of the shelf clip to install. (See  
image 2 & 3).  
4
(Shelf clip installation complete)  
Step 3  
After installation, the shelf clip will fit snug  
into the shelf standard. e shelf clip should  
not be loose or able to wiggle out of the  
shelf standard.  
For Proper Shelf Clip Installation Please  
Read The Following Instructions.  
Step 1  
2
Shelf Installation Tips  
Shelf clips are to be installed into the shelf  
standards next to the labels on the interior  
cabinet wall. is label can be seen in  
images 1-4. Install the top tab of the shelf  
clip into the proper hole. Push up on the  
bottom of the clip. (See image 1).  
(Installing bottom of the shelf clip)  
1. Install all the shelf clips before installing  
the shelves.  
2. Start at the bottom in terms of shelf  
installation and work your way up.  
3. Always lay the back of each shelf down  
on the rear clips before the front.  
T-Series  
& GDM-5  
Airflow  
SHELF & ORGANIZER INSTALLATION:  
Guard  
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.  
Shelf  
Shelf  
WIRE SHELVES  
Wire shelves are oriented so that cross support bars are facing down.  
NOTE  
Shelf  
Clip  
Pillaster  
T-Series models include an airflow guard on the rear of shelves to  
maintain an air space at the rear of the cabinet. (see illustration).  
LIGHT SWITCH LOCATION:  
Step 2  
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. Some models have the switch located  
on the right side of the evaporator housing along the interior ceiling.  
Place shelves on shelf clips making sure all corners are seated  
properly.  
10  
10  
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DANFOSS TEMPERATURE CONTROL (FREEZER  
SEQUENCE OF OPERATION)  
1. Cabinet is plugged in.  
a. Display will illuminate showing “deF”.  
b. Cabinet will start in a Defrost Cycle.  
2. During the initial Defrost Cycle, the evaporator fan(s) and the compressor will remain off for a minimum of 4  
minutes.  
a. After the Defrost Cycle there will be a 2 minute delay.  
b. After the 2 minute delay the compressor will start.  
c. The evaporator fans will remain off for an additional 3 minutes.  
d. The display will continue to show “deF” for an additional 30 minutes.  
3. The electronic control will cycle the compressor and the evaporator fan(s) on and off determined by the  
Set-Point and Differential temperatures (Set-Point is adjustable).  
a. The Set-Point is the preprogrammed temperature which shuts off the compressor and evaporator fan(s).  
b. The Differential is the preprogrammed temperature that is added to the Set-Point temperature that will start  
the compressor and evaporator fan(s).  
c. The Danfoss control is designed to read and display a cabinet temperature. This cabinet temperature may  
reflect the refrigeration cycle of the Set-Point and it’s Differential.  
Example: If the Set-Point is -6°F/1°C and the Differential is 6°F/4°C  
(Set-Point) -6°F + 6 (Differential) = 0°F  
Or  
(Set-Point) -21.4°C + 3.3 (Differential) = -18.1°C  
The compressor will cycle off -6°F/-21.4°C and back on at 0°F/-18.1°C  
4. The electronic control is preprogrammed to initiate defrost every 4 hours of compressor run time  
(non-adjustable).  
a. At this time the evaporator fans and the compressor will turn off.  
b. Once a preprogrammed temperature of the evaporator coil is reached, the Defrost Cycle will terminate and the  
2 minute delay will occur.  
c. After the 2 minute delay the compressor will restart.  
d. The evaporator fans will remain off for an additional 3 minutes.  
e. The display will continue to show “deF” for an additional 30 minutes.  
TRUE Manufacturing recommends that only the Set-Point may be adjusted due to certain conditions.  
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True Food Service Equipment, Inc.  
DANFOSS TEMPERATURE CONTROL  
(REFRIGERATOR SEQUENCE OF OPERATION)  
1. Cabinet is plugged in.  
a. Display will illuminate showing “deF”.  
b. Cabinet will start in a Defrost Cycle.  
2. During the initial Defrost Cycle, the evaporator fan(s) will run but the compressor will remain off for a minimum  
of 4 minutes.  
a. After the Defrost Cycle there will be a 2 minute delay and the evaporator fan(s) will stop.  
b. After the 2 minute delay the compressor will start, and evaporator fan(s) will delay 60 seconds.  
c. The display will continue to show “deF” for an additional 30 minutes.  
3. The electronic control will cycle the compressor and the evaporator fan(s) on and off determined by the  
Set-Point and Differential temperatures (Set-Point is adjustable).  
a. The Set-Point is the preprogrammed temperature which shuts off the compressor and evaporator fan(s).  
b. The Differential is the preprogrammed temperature that is added to the Set-Point temperature that will start  
the compressor and evaporator fan(s).  
c. The Danfoss control is designed to read and display a cabinet temperature. This cabinet temperature may  
reflect the refrigeration cycle of the Set-Point and it’s Differential.  
Example: If the Set-Point is 34°F/1.1°C and the Differential is 6°F/3.3°C  
(Set-Point) 34°F + 6 (Differential) = 40°F  
Or  
(Set-Point) 1.1°C + 3.3 (Differential) = 4.4°C  
The compressor will cycle off 34°F/1.1°C and back on at 40°F/4.4°C  
4. The electronic control is preprogrammed to initiate defrost every 4 hours of compressor run time  
(non-adjustable).  
a. At this time the evaporator fans will continue to run but the compressor will turn off.  
b. Once a preprogrammed temperature of the evaporator coil is reached, the Defrost Cycle will terminate and the  
2 minute delay will start stopping the evaporator fan(s).  
c. After the 2 minute delay the compressor will restart, and evaporator fan(s) will delay 60 seconds.  
d. The display will continue to show “deF” for an additional 30 minutes.  
TRUE Manufacturing recommends that only the Set-Point may be adjusted due to certain conditions.  
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Danfoss Electronic Control (Power On)  
Press both buttons to  
power on temp control  
TURNING ON POWER  
A. Press both buttons to power on the temperature control.  
Danfoss Electronic Control (Power Off)  
Press both buttons  
and hold for 6 seconds  
to power off temp  
control  
TURNING OFF POWER  
A. Press both buttons and hold for 6 seconds to power off  
the temperature control.  
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Danfoss Electronic Control (Defrost)  
Press bottom button  
and hold for 6 seconds  
to start defrost  
DEFROST  
A. Press bottom button and hold for 6 seconds to defrost.  
Danfoss Electronic Control  
(Cut out Temperature)  
or  
Press and release top  
or bottom button for 2  
seconds to display cut  
out temperature  
CUT OUT TEMPERATURE  
CHANGE CUT OUT TEMPERATURE  
A. Press and release top or bottom button for 2 seconds A. Raise or lower the set point use the top or bottom  
to display cut out temperature.  
button to go up or down. Release the button and  
temperature will go back.  
NOTE - Cut in temperature is the set point plus the fix  
differential.  
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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:  
Step 8  
REQUIRED TOOLS:  
Reinstall louver assembly onto unit with appropriate fastener  
and clips. Tighten all screws.  
Step 9  
Connect unit to power and check to see if compressor is  
running.  
Phillips Screwdriver  
Stiff Bristle Brush  
Adjustable Wrench  
Air Tank or CO2 Tank • Vacuum Cleaner  
Step 1  
Disconnect power to unit.  
Step 2  
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).  
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 opening the door and  
removing screws from the top of the louver grill. Some models  
have a door light switch. Please use caution when removing  
the grill on these models. Do not pinch wires. For reinstall,  
reattach the grill to the magnets on front of the cabinet and  
reinstall the screws on top of the grill.  
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.  
2
Swing Door Models  
Step 5  
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.  
Image 3.  
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  
1
2
7
Replace cardboard cover. Carefully slide compressor assembly  
back into position and replace bolts.  
Image 4.  
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True Food Service Equipment, Inc.  
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 8:00 a.m. to 12:00 a.m. CST.  
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True Food Service Equipment, Inc.  
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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True Food Service Equipment, Inc.  
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
4
2
IDL (Integrated Door Lighting)  
IDL (Integrated Door Lighting)  
Interior Light  
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TRUE REFRIGERATION®  
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.  
RESIDENTIAL APPLICATIONS: TRUE assumes no liability for parts or labor coverage for component failure or other damages resulting from installation in  
non-commercial or residential applications.  
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./Canada: 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 or Canada.  
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