GR GA 13 986 127GHK 13 986 133G GR GA 13 986 133GHK User Manual

Instruction Manual  
Fisher Scientific Isotempꢀ  
Chromatography and General Purpose Laboratory  
Refrigerators  
Chromatography Refrigerator Models  
13-986-127G/GR/GA  
13-986-133G/GR/GA  
13-986-138G/GR/GA  
13-986-145G/GR/GA  
13-986-149G/GR/GA  
13-986-172G/GR/GA  
13-986-127GHK  
13-986-133GHK  
13-986-138GHK  
13-986-145GHK  
13-986-149GHK  
13-986-172GHK  
General Purpose  
Laboratory Refrigerator Models  
13-986-227R/G/RR/RA/GR/GA  
13-986-238G/GR/GA  
13-986-245G/GR/GA  
13-986-249R/G/RR/RA/GR/GA  
13-986-272G/GR/GA  
13-986-227GHK  
13-986-238GHK  
13-986-245GHK  
13-986-249GHK  
13-986-272GHK  
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Table of Contents  
Isotemp Chromatography/ Laboratory Refrigerators  
Introduction.................................................................................................................................... 1  
Unpacking ...................................................................................................................................... 1  
Visible Loss or Damage............................................................................................................. 1  
Concealed Loss or Damage ..................................................................................................... 1  
Packing List ................................................................................................................................. 1  
Installation...................................................................................................................................... 2  
Selecting a Location................................................................................................................... 2  
Leveling the Unit......................................................................................................................... 2  
Door Handles .............................................................................................................................. 2  
Door Removal and Adjustment ................................................................................................ 2  
Shelves......................................................................................................................................... 3  
Electrical Connection ................................................................................................................. 4  
Operation........................................................................................................................................ 5  
Control Layout............................................................................................................................. 5  
Temperature Controller.............................................................................................................. 6  
Setting the Temperature....................................................................................................................................6  
Units Select............................................................................................................................................................6  
Calibration Offset................................................................................................................................................6  
Hold-Off Time......................................................................................................................................................7  
Error Codes ................................................................................................................................. 7  
Fluorescent Lamps..................................................................................................................... 8  
Convenience Outlet.................................................................................................................... 8  
Manual/Automatic Condenser Fan.......................................................................................... 8  
Trouble Shooting Table .............................................................................................................. 9  
Maintenance................................................................................................................................. 10  
Cabinet Cleaning...................................................................................................................... 10  
Cleaning the Condenser.......................................................................................................... 10  
Condensate Evaporator Pan .................................................................................................. 10  
Replacement Parts..................................................................................................................... 11  
Performance Characteristics .................................................................................................. 11  
Power Requirements................................................................................................................. 11  
Wiring Diagram ........................................................................................................................... 12  
Part Number: 104416  
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IsotempLaboratory and Chromatography Refrigerators  
Page 1 of 12  
Your satisfaction and safety are important to Fisher Scientific, a  
complete understanding of this unit is necessary to attain these  
objectives.  
Introduction  
As the ultimate user of this apparatus, it is your responsibility to  
understand its proper function and operational characteristics. This  
instruction manual should be thoroughly read and all operators given  
adequate training before attempting to place this unit in service.  
Awareness of the stated cautions and warnings, and compliance with  
recommended operating parameters – together with maintenance  
requirements – are important for safe and satisfactory operation. The  
unit should be used for its intended application; alterations or  
modifications will void the Warranty.  
WARNING: As a routine laboratory precaution, always  
wear safety glasses when working with this apparatus.  
This product is not intended, nor can it be used, as a sterile or  
patient connected device. In addition, this apparatus is not  
designed for use in Class I, II or III locations as defined by the  
National Electrical Code, unless otherwise noted.  
Unpacking  
Save all packing material if apparatus is received damaged. This  
merchandise was carefully packed and thoroughly inspected before  
leaving our factory.  
Responsibility for its safe delivery was assumed by the carrier  
upon acceptance of the shipment; therefore, claims for loss or  
damage sustained in transit must be made upon the carrier by  
the recipient as follows:  
Visible Loss or  
Damage  
Note any external evidence of loss or damage on the freight bill, or  
express receipt, and have it signed by the carrier’s agent. Failure to  
adequately describe such external evidence of loss or damage may  
result in the carrier’s refusing to honor your damage claim. The form  
required to file such a claim will be supplied by the carrier.  
Concealed loss or damage refers to loss or damage, which does not  
become apparent until the merchandise has been unpacked and  
inspected. Should either occur, make a written request to the  
carrier’s agent within 15 days of the delivery date; then file a claim  
with the carrier since the damage is the carrier’s responsibility.  
Concealed Loss or  
Damage  
If you follow the above instructions carefully, we will guarantee our full  
support of your claim to be compensated for loss from concealed  
damage.  
DO NOT – FOR ANY REASON – RETURN THIS UNIT WITHOUT  
FIRST OBTAINING AUTHORIZATION  
The following items are packed in the envelope located inside the  
refrigerator chamber. If any of the following items are not present,  
report the missing item to your local Fisher representative.  
Packing List  
1. Warranty Card  
5. Chart Recorder Instructions  
2. This Instruction Manual  
3. Door Lock Key  
4. Power Switch Key  
Part Number: 104416  
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IsotempLaboratory and Chromatography Refrigerators  
Page 2 of 12  
Installation  
Choose a location for the refrigerator that will provide at least three  
inches of clearance between the cabinet and any adjacent vertical  
surface at the sides and rear. Appropriate electrical power must be  
available. Locate the refrigerator within 6 feet of the power outlet so  
that no extension cord is required.  
Selecting a Location  
Leveling the Unit  
The refrigerator must be level in order to provide adequate  
condensation drainage as well as proper door alignment and  
operation. The refrigerator should be in its final operating location and  
set so that it is firmly positioned on the floor. There are four leveling  
screws, one on each corner. . Level the cabinet front to rear and side-  
to-side using the corner leveling screws. The leveling screws are  
accessed by removing the base grille, as described below:  
1. Remove the lower grille attaching screws.  
2. Grasp the grille with both hands.  
3. Tilt the lower end of the base grille toward you.  
4. Pull grille away from the refrigerator  
(Swinging Door Models Only)  
Door Handles  
Door handles are packed inside each refrigerator. To mount the  
handle, lift the door gasket behind the two screws on the front of the  
door. Attach handle with offset away from the cabinet corner and  
tighten the screws.  
Door Removal and  
Adjustment  
(Sliding Door Models Only)  
Each door has its own closing spring located at the top of the door  
track. Each spring is set for proper tension. If adjustment is required:  
1. Check for cabinet level (see above).  
2. Remove the door(s) by lifting it and sliding about half way  
open. The roller will fall into a gap in the upper track. While  
maintaining upward pressure on the door, pull the bottom  
outward until it clears the bottom track.  
3. Adjust the location of the door rollers in the roller brackets  
(above door) as shown by loosening the lock nut on the back  
of the roller bracket and moving the roller up or down.  
Closing spring  
Lock nut on back  
Roller  
Fig. 1  
Part Number: 104416  
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IsotempLaboratory and Chromatography Refrigerators  
Page 3 of 12  
4. The spring tension can be adjusted by moving the spring to  
the outside hole of the bracket or by snipping a portion of it off  
and then refastening it to the bracket.  
CAUTION: Where safety glasses before snipping spring.  
Shipped inside each cabinet are shelves packed in plastic and a bag  
of shelf supports. Two different types of shelf supports are used.  
The shelf supports have tab lengths of ¼ inch and ½ inch. The ¼  
inch versions are used in the front of the shelf (See below) and the ½”  
shelf supports are used in the rear.  
Shelves  
Shelf spacing is adjustable to suit user requirements. Insert four shelf  
supports for each shelf into the pilasters as shown. Note the  
numbers on the pilasters. Place supports on the same numbers on  
each pilaster to ensure the shelf will be level. Place the shelf on the  
pilasters as shown in Fig’s 2 and 3.  
Replacement shelves are available individually. See page 11 for  
shelf part numbers. Proper shelf orientation is illustrated in Figure 2.  
NOTE: Chromatography units include additional ½ shelves, which  
can be used in place of the full shelves.  
Shelf Support  
Tab Length  
Fig. 2 Use ¼” tab length supports on sides and ½’ in back.  
Part Number: 104416  
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IsotempLaboratory and Chromatography Refrigerators  
Page 4 of 12  
Fig. 3 Place shelves at desired height on four shelf supports.  
NOTICE: Insufficient line voltage is often the  
cause of compressor start-up failure. It is  
strongly recommended that a dedicated  
Electrical  
Connection  
circuit, conforming to the National Electrical Code,  
Article 440, be used for powering the refrigerator.  
CAUTION: Be sure that the power supply is the same voltage that is  
specified on the refrigerator’s data plate.  
The frequency and nominal voltage requirements for the unit are  
specified on the data plate, which is located on the interiors upper left  
side. Only plug the unit into a power source that meets these  
requirements. Low line voltage is often the cause of service  
complaints. With the unit running, check that the line voltage is  
within ±10% of that specified on the data plate.  
WARNING: For personal safety this unit must be  
properly grounded.  
The power cord of this instrument is equipped with a three prong  
(grounding) plug (NEMA 5-15P). This plug mates with a standard  
three prong (grounding) wall receptacle (NEMA 5-15R) to minimize  
the potential of an electrical shock hazard. Chromatography models  
are equipped with a (NEMA 5-20P). This plug must mate with a  
(NEMA 5-20R).  
Part Number: 104416  
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IsotempLaboratory and Chromatography Refrigerators  
Page 5 of 12  
The customer should have the wall receptacle and circuit checked by  
a qualified electrician to verify the receptacle is properly grounded  
and meets power requirements specified on the data plate.  
WARNING: DO NOT under any circumstances cut or  
remove the third (ground) prong from the power cord. DO  
NOT use a two-prong adapter plug.  
Where a two prong wall receptacle is encountered, it is the personal  
responsibility and obligation of the user to have it replaced with a  
properly grounded three prong receptacle.  
CAUTION: Do not use an extension cord. Use of an  
ungrounded cord or an overloaded circuit VOIDS the  
compressor warranty.  
WARNING: If the unit is tilted in excess of 30 degrees, level  
the unit then wait at least 12 hours before applying power to  
it.  
Operation  
WARNING: This product is not approved for storage  
of flammable or explosive materials. Also, it is not  
approved for use in hazardous locations containing  
explosive atmospheres.  
Before operation, become familiar with the refrigerator controls  
located on the refrigerator header panel. A layout of the control is  
given below.  
Control Layout  
Part Number: 104416  
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IsotempLaboratory and Chromatography Refrigerators  
Page 6 of 12  
Begin operation by inserting the key into the key switch located on the  
header panel. The key switch is packed inside the envelope, which is  
shipped in the refrigerator chamber. Turning the key switch to the ON  
( | ) position will energize the evaporator fans and the digital  
controller.  
The digital temperature controller is located on the left side of the  
header panel (See Figure 4). When the unit is initially turned on, the  
display will indicate current chamber temperature. The temperature  
units will be indicated by the °C or °F LED located just to the right of  
the temperature display. The refrigerator is factory set at 4°C. When  
the unit is first energized the evaporator fans will operate however it  
will not immediately cool. A 3-minute compressor delay is  
Temperature  
Controller  
programmed into the controller to provide sufficient time for the  
evaporator to defrost and to allow the system pressure time to  
equalize. When the delay time is over, the Cool LED will illuminate,  
the compressor will run and the chamber will cool.  
NOTE: The compressor requires a 3-minute delay time  
between activations. The unit will not cool during this  
delay. The delay is also activated when the controller  
is first energized.  
To change the set temperature, press and release the Menu keypad  
once. The display will flash SP and the Mode LED will be illuminated.  
The last set temperature will then be shown in the display.  
Setting the Temperature  
To change the temperature, press the UP or DOWN arrow key. The  
adjustable temperature range is 1 to 12°C (34 to 54°F). When the  
desired set temperature is displayed, press the Menu keypad to enter  
the set temperature and activate the Units Select menu.  
The second menu selects the units. The refrigerator control displays  
temperature in °C or °F. The factory setting is °C. Starting from the  
temperature display mode (Mode LED off), press the Menu key twice.  
The current temperature units are displayed. To switch between  
units, press the UP or DOWN arrow key then press the Menu key to  
select. The unit LED will be displayed on the right of the temperature  
display.  
Units Select  
Calibration Offset  
In the event the refrigerator needs to be calibrated, a simple routine is  
available to adjust the display and control point to a referenced  
standard. To set a temperature offset, press and hold the Menu  
keypad for 5 seconds. The display will flash oS followed by the last  
temperature offset value. The factory setting is 0. To change the  
offset value, press the UP or DOWN arrow key, then press the Menu  
key. The value shown in the display will be added to the previous  
temperature reading. The display will then flash Ho.  
Part Number: 104416  
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Page 7 of 12  
For Example:  
The display indicates 4°C but a reference thermometer in the  
refrigerator chamber indicates 6°C. The operator presses and holds  
the Menu keypad for 5 seconds, then changes the display value from  
0 to +2 by using the UP arrow key. Press the Menu key again. Now  
the display indicates a chamber temperature of °6 C and the  
controller begins to cool (as long as 3-min. delay period has expired)  
to the desired temperature of 4°C as shown on the reference  
thermometer.  
Allow an additional 30 to 40 minutes for the refrigerator to again  
stabilize. If the display is still inaccurate, repeat the calibration offset  
procedure.  
CAUTION: INCREASING the offset value DECREASES  
the temperature at which the system controls. If the  
offset is inadvertently set too high, the chamber’s  
control temperature can fall below zero and cause  
evaporator freeze-up. This is caused by the  
evaporator temperature not rising above 0°C and not  
defrosting during the compressor “off cycle”.  
NOTE: While in any of the controller mode setups (temp set,  
calibration offset or units), the controller will wait 15 seconds for  
a new value to be entered. If there is no keypad operation within  
the 15-second time window, control will automatically revert to  
the temperature display mode and the Mode LED will turn off.  
Following the offset menu is the hold-off (Ho) menu. The display will  
momentarily flash “Ho”, followed by a number. The number shown is  
the delay time in minutes between compressor activations. Use the  
UP/DOWN keypads to change the value.  
Hold-Off Time  
Increasing the hold-off time will allow additional time for the  
evaporator to defrost during the off-cycle. This can reduce the  
chance of evaporator freeze-up during times of high humidity.  
Pressing the Menu keypad while in the Ho mode, enters the hold-off  
time displayed, and returns controller operation to the temperature  
display mode.  
Error Codes  
Error codes indicate when the controller is sensing a problem. A  
description of each is given below. See the Troubleshooting Table  
for additional information on error codes.  
E1  
E2  
Open sensor.  
Under temperature. Temperature at sensor is less than  
–36°C.  
E3  
Over temperature. Temperature at sensor is greater than  
37°C.  
Part Number: 104416  
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Page 8 of 12  
The interior lamp is controlled by a rocker switch on the header panel.  
This light may be operated any time the cabinet power is turned on at  
the keyed power switch. If the interior lamp fails, replace with the  
same size and wattage lamp. DO NOT USE REDUCED WATTAGE  
LAMPS. The reduced wattage lamps generally fail to light below 60  
°F (15 °C).  
Fluorescent Lamps  
Chromatography Refrigerators come equipped with a convenience  
outlet located in the center of the back wall. Model 172G’s (three  
doors) have two convenience outlets. The total power that can be  
supplied by the outlet (or outlets in 3-door models) is 5A @ 120VAC  
(4A @ 120VAC for the 3-door models). The outlet(s) is protected by  
a circuit breaker located just below and to the right of the outlet(s).  
Pressing the breaker button resets the breaker after a fault.  
Convenience Outlet  
(Chromatography  
Refrigerators Only)  
WARNING: The convenience outlet is LIVE at any time the  
unit is connected to an electrical power source, regardless  
of the position of the key switch.  
A rocker switch located on the left side of the top of the inside of the  
chamber is used to operate the condenser fan automatically or  
manually. With the switch in the automatic position, the condenser  
fan operates with the compressor. In the manual position, the  
condenser fan operates continuously.  
Manual/Automatic  
Condenser Fan  
During times of high ambient relative humidity conditions, more water  
is condensed on the evaporator and directed to the condensate pan.  
The condenser fan will run continuously in the manual setting to  
better dispose of this water. At times of low relative humidity, the  
switch can be set to automatic.  
Part Number: 104416  
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IsotempLaboratory and Chromatography Refrigerators  
Page 9 of 12  
This table is intended to assist in resolving user-correctable  
Refrigerator problems by relating symptoms to their likely causes. If  
service beyond the scope of this table is required, contact Fisher  
Scientific Service Division @ 1-800-395-5442.  
Trouble Shooting  
Table  
Symptom  
Probable Cause  
Action  
Does Not Run Unit Unplugged  
Plug in Unit  
Blown fuse or tripped circuit  
breaker.  
Check fuse or circuit  
breaker at breaker  
box.  
Runs  
Continuously  
Frost buildup on refrigeration  
coils  
Defrost unit. Increase  
Ho time.  
Clicking  
Sound  
The compressor is equipped  
with a thermal protector. This  
device shuts off the  
Disconnect power and  
call for service.  
compressor when it becomes  
to hot. A clicking sound  
occurring about every 30  
seconds indicates this  
protector is working  
Insufficient  
Cooling  
Set temp is to high  
Reduce temperature  
setting, verify Cool  
LED is on.  
Condenser coil dirty  
Unit frosted  
Clean condenser coil  
with a vacuum cleaner  
Defrost unit  
Check sensor  
connection  
Display shows Open sensor  
E1 (error  
code)  
Display shows Under Temp  
E2 (error  
code)  
Temperature at sensor  
is less than –36°C or  
sensor is  
malfunctioning.  
Display shows Over Temp  
E3 (error  
code)  
Temperature at sensor  
is greater than 37°C or  
sensor is  
malfunctioning  
Part Number: 104416  
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IsotempLaboratory and Chromatography Refrigerators  
Page 10 of 12  
CAUTION: When servicing the unit, disconnect from  
the electrical power source  
Maintenance  
The cabinet interior should be cleaned frequently. Any spilled liquid  
should be wiped off immediately. Stains resulting from some spills  
can be permanent if not quickly removed. The most convenient time  
to clean the interior is after defrosting. The cabinet exterior should be  
cleaned occasionally. A mild detergent and lukewarm water or a  
solution of bicarbonate of soda (1 tablespoon per gallon of water) is  
recommended for cleaning the interior and exterior of the cabinet. All  
surfaces should be rinsed and thoroughly dried.  
Cabinet Cleaning  
CAUTION: Do not use any type of abrasive such as steel  
wool, or fluids such as gasoline, Naphtha, or thinner. These  
materials could be harmful to plastic materials, door gasket,  
and painted surfaces.  
For efficient operation, it is recommended that the condenser coil and  
fan be cleaned every 4 to 6 months.. The condenser coil is located  
behind the base grille, at the bottom of the unit.. See Leveling the  
Unit for instructions on removing the base grille.  
Cleaning the  
Condenser  
Vacuum clean the front surface of the coil thoroughly, or direct forced  
air through the condenser from the rear. If necessary, use a stiff  
bristled brush to loosen any dirt. Failure to keep the condenser clean  
will void the warranty.  
Caution: Accessing and cleaning the condenser coil or  
evaporator pan should be done by qualified personnel.  
The condensate evaporator pan is located behind the base grill  
between the condenser fan and compressor. This pan should be  
cleaned at least once a year to prevent foul odors and operate  
efficiently. Vacuum clean if dry, or sponge clean with soapy water.  
Condensate  
Evaporator Pan  
Part Number: 104416  
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IsotempLaboratory and Chromatography Refrigerators  
Page 11 of 12  
Replacements for Laboratory Refrigerator parts serviceable by the  
user may be ordered, by part number, from Fisher Scientific Co. @  
1-800-766-7000.  
Replacement  
Parts  
Item  
Part Number  
Shelves  
Model 127/227  
Model 133/233  
Model 138/238  
Model 145/245  
Model 149/249 & 172/272  
½ Shelves  
13-986-210A  
13-986-210B  
13-986-210U  
13-986-210C  
13-986-210D  
Model 127/227  
Model 133/233  
Model 138/238  
Model 145/245  
Model 149/249 & 172/272  
13-986-210F  
13-986-210G  
13-986-210T  
13-986-210H  
13-986-210J  
Solid State Relay (K1)  
Temperature Controller  
SPN88616  
SPN103508  
International Version Controller (220V) SPN105402  
Condenser Pan Wick  
Front Shelf Support  
Rear Shelf Support  
SPN104433  
SPN103264  
SPN103265  
Performance  
Characteristics  
Temperature Range: 1° to 12°C (34° to 54°F)  
Temperature Stability: +/- 3°C  
Power  
Requirements  
Catalog Number  
Volts(+/-10%)  
115  
Amps  
13.5  
16.0  
16.0  
16.0  
16.0  
16.0  
8.5  
Hz  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
13-986-127G/GR/GA  
13-986-133G/GR/GA  
13-986-138G/GR/GA  
13-986-145G/GR/GA  
13-986-149G/GR/GA  
13-986-172G/GR/GA  
13-986-227G/GR/GA  
13-986-227R/RR/RA  
13-986-233G/GR/GA  
13-986-238G/GR/GA  
13-986-245G/GR/GA  
13-986-249G/GR/GA  
13-986-249R/RR/RA  
13-986-272R/RR/RA  
115  
115  
115  
115  
115  
115  
115  
115  
115  
115  
115  
115  
8.5  
10.5  
10.5  
10.5  
10.5  
10.5  
12.0  
115  
Part Number: 104416  
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Part Number: 104416  
Wiring Diagram  
Convenience Outlet, Chromatography Refrigerators Only  
Page 12 of 12  
IsotempLaboratory and Chromatography Refrigerators  
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Part No. 104416 Rev G  
Isotemp Laboratory Refrigerators  
Published 10 – 2003  
Fisher Scientific Co.  
2000 Park Lane  
Pittsburgh, PA 15275  
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