Traulsen Freezer Traulsen Quality Refrigeration User Manual

        
           
              
                 
                   
                      
                       
                           
                              
                                
                                   
                                      
                                         
Traulsen & Co., Inc.  
Quality Refrigeration  
OWNER’S MANUAL  
Instructions for the installation  
and maintenance of most Traulsen models as well as  
instructions to operate the following special models:  
Even-Thaws  
Proofers  
Proofer/Retarders  
Blast Freezers  
Fish Files  
This Traulsen unit is built to our highest quality standards. We build our refrigerators, freezers and heated  
cabinets this way as a matter of pride. This philosophy has made Traulsen the leader in commercial refrig-  
eration since 1938. We thank you for your choice and confidence in Traulsen equipment and we know you  
will receive many years of utility from this equipment.  
All Traulsen units are placed on a permanent record file with the service department. In the event of any  
future questions you may have, please refer to the model and serial number found on the name tag affixed  
to the unit. Should you need service, however, call us on our toll free number, 800-825-8220 between 7:30  
am and 4:30 pm CST, Monday thru Friday. It is our pleasure to help and assist you in every possible way.  
INSTALLER  
COMPLETE THE FOLLOWING INFORMATION PRIOR TO UNIT INSTALLATION  
INITIAL START DATE:  
MODEL TYPE:  
SERIAL NO.  
COMPANY/INDIVIDUAL NAME:  
INSTALLER:  
SAP DOC REV. 7/01  
P/N 375-60185-00  
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II. RECEIPT INSPECTION  
III. INSTALLATION (continued)  
All Traulsen products are factory tested for perfor-  
mance and are free from defects when shipped. The  
utmost care has been taken in crating this product to  
protect against damage in transit. All interior fittings  
have been carefully secured and the legs or casters  
are boxed and strapped inside to prevent damage.  
Door keys will be attached to the handle with a nylon  
strip. The handle is protected by an easily removable  
nylon netting.  
III. c - INSTALLING LEGS OR CASTERS:  
6” high stainless steel legs are supplied standard for  
all Traulsen reach-in and pass-thru units. Casters in  
lieu of legs are available as an optional accessory for  
the same models. These are shipped from the factory  
packed inside a cardboard box which is strapped to  
one of the shelves. Remove the nylon strap and open  
the box, it should contain either four (4) legs or four  
(4) casters and sixteen (16) bolts.  
You should carefully inspect your Traulsen unit for  
damage during delivery. If damage is detected, you  
should save all the crating materials and make note  
on the carrier’s Bill Of Lading describing this. Afreight  
claim should be filed immediately. If damage is sub-  
sequently noted during or immediately after installa-  
tion, contact the respective carrier and file a freight  
claim. Under no condition may a damaged unit be re-  
turned to Traulsen & Co. without first obtaining writ-  
ten permission (return authorization).  
WARNING: THE CABINET MUST BE BLOCKED AND  
STABLE BEFORE INSTALLING LEGS OR CASTERS.  
To install the legs or casters, first raise and block the  
reach-in a minimum of 7” from the floor. For install-  
ing legs, thread the legs into the threaded holes on  
the bottom of the cabinet (see figure 1). Be certain  
that all legs are tightly secured (legs and casters  
should be tightened to 300 inch/pounds, max). When  
the unit is set in its final position, it is important for  
proper operation that the unit be level. The legs are  
adjustable for this purpose, turn the bottom of the leg  
counter-clockwise to raise it, clockwise to lower it.  
Level the unit from front to back as well as side to side  
in this manner, using a level placed in the bottom of  
the cabinet.  
III. INSTALLATION  
III. a - LOCATION:  
Select a proper location for your Traulsen unit, away  
from extreme heat or cold. Allow enough clearance  
between the unit and the side wall in order to make  
use of the door stay open feature at 120° (self-closing  
feature operates up to 90°). The door(s) must be able  
to open a minimum of 90° in order to make use of the  
maximum clear door width available.  
Fig. 1  
III. b - PACKAGING:  
All Traulsen units are shipped from the factory bolted  
to a sturdy wooden pallet and packaged in a durable  
cardboard container. The carton is attached to the  
wooden skid with the use of large staples. These  
should first be removed to avoid scratching the unit  
when lifting off the crate.  
Please note that Traulsen units are not designed to be  
moved while on legs. If the unit requires moving, a  
pallet jack or forklift should be used to prevent dam-  
age. For installing casters, the casters are “plate”  
type, and require the use of four (4) bolts each to se-  
cure them firmly to the cabinet bottom at each corner  
(see figure 2). The caster bolts are tightened using a  
1/2” socket wrench.  
Most exterior stainless steel surfaces have a protec-  
tive vinyl covering to prevent scratching during manu-  
facturing, shipping and installation. After the unit is  
installed in place of service, remove and discard the  
covering from all surfaces.  
To remove the wooden pallet, first if at all possible, we  
suggest that the cabinet remain bolted to the pallet  
during all transportation to the point of final installa-  
tion. The bolts can then be removed with a 3/4” socket  
wrench. Avoid laying the unit on its front, side or  
back for removal of the pallet.  
Fig. 2  
NOTE: Traulsen does not recommend laying the unit  
down on its front, side or back. However, if you must  
please be certain to allow the unit to remain in an up-  
right position afterwards for 24 hours before plugging  
it in so that the compressor oils and refrigerant may  
settle.  
III. d - SHELF PINS:  
The unit is supplied with shelves and shelf pins in-  
stalled. Check all shelf pins to assure they are tight-  
ened down as they may have come loose during ship-  
ping. Rotate the pins clockwise until they are secured  
against the side of the cabinet.  
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III. INSTALLATION (continued)  
III. e - ROLL-IN MODEL INSTALLATION:  
III. f - INSTALLING THE CONDENSATE EVAP (cont’d):  
holes on the exterior bottom towards the rear of the  
cabinet. Then, using the four (4) screws provided, at-  
tach the mounting rails to the cabinet bottom (the end  
flange is to be up and be facing towards the cabinet  
rear). Next, place the heater into the heater bracket  
(note the enclosed springs are only to be used when  
the heater is placed on the floor). Slide heater and  
bracket into the mounting rails. Plug the supplied cord  
into both the heater on one end, and the electrical  
outlet provided on the cabinet exterior bottom towards  
the front (see figure 4). Screw the “U-Trap” on to the  
drain line located on the rear of the cabinet and then  
screw the drain extension into the “U-Trap.”  
Roll-In cabinets set on the floor require the floor area  
to be flat and level. In addition, after the cabinet is set  
in place, sealant should be used around the perimeter  
of the base to comply with National Sanitation Foun-  
dation requirements (see figure 3). After sealing the  
unit, the enclosed ramp should then be installed.  
SEALING BASE OF ROLL-IN MODELS  
A
SEALANT MUST BE USED  
Drain  
Line  
AROUND THE PERIMETER OF THE  
BASE OF CABINET AS SHOWN TO  
FULLYCOMPLYWITHSANITARYRE-  
QUIREMENTS.  
U-Trap  
A RECOMMENDED SEALANT IS  
DOW CORNING SILASTIC RTV #732  
Electric  
Heater  
Drain  
Extension  
Fig. 3  
10-32 x 3/8 Screw (4)  
Mounting Rails  
A stainless steel threshold ramp(s) is included to fa-  
cilitate rolling in racks. It is shipped wrapped in brown  
paper and secured to the rack guides inside the cabi-  
net. To secure it in place, remove the two thumb  
screws in the breaker strip near the bottom door open-  
ing. Next, loosen the thumb screws located along the  
floor at the threshold. Place the ramp(s) on top of the  
loosened thumb screws and secure tabs on each end  
to breaker strips with thumb screws previously re-  
moved. After installing the ramp(s), it too should be  
sealed to the floor.  
BMCE  
Receptacle  
Heater  
Bracket  
Fig. 4  
A remote model is normally supplied configured for  
condensate to be run to a floor drain unless purchased  
with a condensate evaporator. The installer is respon-  
sible for making the required extension to the floor  
drain in accordance with good practice and local regu-  
lations.  
Bumper strips are secured to the back of Roll-In mod-  
els with thumb screws. Loosen these and make them  
finger-tight to conform with the requirements of the  
National Sanitation Foundation (NSF).  
III. g - REMOTE INSTALLATION:  
Remote models are supplied without compressors,  
solenoid valves, etc. The correct voltage, amp listing  
and refrigerant are listed on the unit’s serial tag. It is  
the responsibility of the installer to specify and sup-  
ply the correct size compressor(s) based upon this  
information and on-site requirements. Refrigerant line  
installation must be done in accordance with good  
practice and local regulations. See section “III. g” for  
information concerning condensate removal for re-  
mote models.  
III. f - INSTALLING THE CONDENSATE EVAPORATOR:  
A condensate evaporator is normally supplied on all  
self-contained models (remote models require provi-  
sion of either a floor drain or an optional condensate  
evaporator). On those models with the evaporator coil  
compartment located on the top of the unit, the con-  
densate evaporator is also secured to the top of the  
cabinet. Check that the condensate pan is under the  
drain tube.  
III. h - CORD & PLUG:  
Most self-contained models are supplied with a cord  
& plug attached. It is shipped coiled at the top of the  
cabinet, secured by a nylon strip. For your safety and  
protection, all units supplied with a cord and plug in-  
clude a special three-prong grounding plug on the ser-  
vice cord. Select only a dedicated electrical outlet with  
grounding plug for power source. NOTE: Do not un-  
der any circumstances, cut or remove the round  
grounding prong from the plug, or use an extension  
cord.  
Some models, such as one-section dual-temperature  
reach-in refrigerator/freezers, are supplied with a bot-  
tom-mounted electric condensate evaporator. This is  
shipped in a cardboard carton secured to the cabinet  
interior, and must be installed prior to use.  
After the cabinet has been uncrated and the legs/cast-  
ers attached, you must install the bottom-mounted  
electric condensate evaporator. Locate the four (4)  
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III. INSTALLATION (continued)  
V. CARE & MAINTENANCE (cont’d)  
IV. a - CLEANING THE CONDENSER (cont’d):  
III. i - POWER SUPPLY:  
two screws located on both sides at the bottom of the  
louver assembly (see figure 6). Once the screws are  
removed, the panel can be pivoted upwards allowing  
full access to the front facing condenser (see figure  
7). Vacuum or brush any dirt, lint or dust from the  
finned condenser coil, the compressor and other cool-  
ing system parts. If significant dirt is clogging the con-  
denser fins, use compressed air to blow this clear.  
The supply voltage should be checked prior to con-  
nection to be certain that proper voltage for the cabi-  
net wiring is available (refer to the serial tag to deter-  
mine correct unit voltage). Make connections in ac-  
cordance with local electrical codes. Use qualified  
electricians.  
Use of a separate, dedicated circuit is required. Size  
wiring to handle indicated load and provide neces-  
sary overcurrent protector in circuit (see amperage  
requirements on the unit’s serial tag).  
Lower louver assembly and replace the screws to hold  
it in place.  
III. j - WIRING DIAGRAM:  
Refer to the wiring diagram for any service work per-  
formed on the unit. Should you require one, please  
contact Traulsen Service at (800) 825-8220, and pro-  
vide the model and serial number of the unit involved.  
Fig. 6  
Remove  
Screws  
III. k - COMPRESSOR HOLD DOWN PROVISIONS:  
To protect the compressor during transit, some self-  
contained Traulsen models have compressors tight-  
ened down at the factory. The hold down bolts used  
to tighten these must be loosened before operation  
to allow the vibration eliminators to funtion properly.  
Failure to loosen the hold down bolts could result in  
refrigerant line leakage, vibration and noise. Check  
the top to be sure all factory installed blocking (if used)  
is also removed. Likewise, check the compressor en-  
closure of bottom mounted units (RFD/AFD models)  
to be sure all packing is removed and that compres-  
sors secured to the base of condensing unit are free  
to operate on their vibration eliminators.  
Fig. 7  
Lift-Up Louver  
Assembly  
III. l - CLEARANCE:  
In order to assure optimum performance, the condens-  
ing unit of your Traulsen unit MUST have an adequate  
supply of air for cooling purposes. Therefore, the  
operating location must either have a minimum of 12”  
clearance overhead of the condensing unit or allow  
for unrestricted air flow at the back of the unit. Clear-  
ance of at least 12” above is required in order to per-  
form certain maintenance tasks.  
WARNING: DISCONNECT ELECTRICAL POWER  
SUPPLY BEFORE CLEANING ANY PARTS OF THE  
UNIT.  
IV. CARE & MAINTENANCE  
IV. b - HINGE REPLACEMENT:  
IV. a - CLEANING THE CONDENSER:  
Both the door and hinge can be easily removed from  
the cabinet. To remove the door, remove the plug at  
the bottom of the top hinge. Inside the hinge there is  
a small screw which secures the door in place. Re-  
move this with a flat head screwdriver and the door  
can then be lifted off the hinge. To remove the door  
portion of the hinge from the door, lift off the hinge  
cover and then remove the three Phillips head screws  
which secure the hinge in place on the door. To re-  
move the cabinet portion of the hinge, remove the three  
Phillips head screws which hold it in place. On solid  
The most important thing you can do to insure a long,  
reliable service life for your Traulsen is to regularly  
clean the condenser coil.  
The condensing unit requires regularly scheduled  
cleaning to keep the finned condenser clean of lint  
and dust accummulation. Keeping the condenser  
clean allows the cabinet to operate more efficiently  
and use less energy. To clean the condenser, first  
disconnect electrical power to the cabinet and lift up  
the front louver as sembly. To lift this, remove the  
-4-  
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IV. CARE & MAINTENANCE (cont’d)  
V. MISC. OPERATIONS  
V. a - ADJUSTING THE SHELVES:  
IV. b - HINGE REPLACEMENT:  
door units, the top hinge(s) contains a microswitch  
for controlling the interior lighting.  
For shelves mounted on pins, first select the desired  
location and remove the white plastic covers in the  
interior back and sides by rotating them counter-clock-  
wise. Remove the shelf pins by rotating them counter-  
clockwise. Install the pins in the desired location by  
rotating clockwise. Make sure the pin is securely tight-  
ened down. Do not over tighten. Slide the shelf into  
its new position, and replace the white plastic covers  
into the holes vacated by the shelf pins.  
To reassemble the hinge reverse the previous proce-  
dure.  
IV. c - REPLACING THE GASKETS:  
To remove the gasket to be replaced, grasp it firmly  
by one corner and pull it out. Before attempting to  
install a new gasket, both the unit and the gasket it-  
self must be at room temperature. Insert the four cor-  
ners first by using a rubber mallet (or hammer with a  
block of wood). After the corners are properly inserted,  
work your way towards the center from both ends by  
gently hitting with a mallet until the gasket is com-  
pletely seated in place (see figure 8 for proper gasket  
VI. OTHER  
VI. a - SERVICE INFORMATION:  
Before calling for service, please check the following:  
Is the electrical cord plugged in?  
Is the fuse OK or circuit breaker on?  
Is the power switch “ON”?  
placement).  
Inside Door Panel  
Gasket Assembly  
If after checking the above items and the unit is still  
not operating properly, please contact an authorized  
Traulsen service agent. A complete list of authorized  
service agents was provided along with your Traulsen  
unit. If you cannot locate this, you may also obtain the  
name of a service agent from the Tech Service page of  
Fig. 8  
Vertical Gasket  
Retainer  
NOTE: The gasket may appear too large, but if it is  
installed as indicated above it will slip into place.  
If service is not satisfactory, please contact our in-  
house service department at:  
IV. d - CLEANING THE EXTERIOR:  
Exterior stainless steel should be cleaned with warm  
water, mild soap and a soft cloth. Apply with a damp-  
ened cloth and wipe in the direction of the metal grain.  
Traulsen & Co., Inc.  
4401 Blue Mound Road  
Fort Worth, TX 76106  
(800) 825-8220  
Avoid the use of strong detergents and gritty, abra-  
sive cleaners as they may tend to mar and scratch the  
surface. Do NOT use cleansers containing chlorine,  
this may promote corrosion of the stainless steel.  
Traulsen & Co., Inc. reserves the right to change speci-  
fications or discontinue models without notice.  
Care should also be taken to avoid splashing the unit  
with water, containing chlorinated cleansers, when  
mopping the floor around the unit.  
VI. b - SPARE PARTS:  
Spare or replacement parts may be obtained through  
a parts supplier or one of our authorized service agents.  
A complete list of authorized service agents accompa-  
nies this manual and is also posted on our company’s  
For stubborn odor spills, use baking soda and water  
(mixed to a 1 TBSP baking soda to 1 pint water ratio).  
IV. e - CLEANING THE INTERIOR:  
VI. c - WARRANTY REGISTRATION:  
For cleaning both stainless steel and anodized alumi-  
num interiors, the use of baking soda as described in  
section “IV. d” is recommended. Use on breaker strips  
as well as door gaskets. All interior fittings are re-  
movable without tools to facilitate cleaning.  
For your convenience, the warranties on your new  
Traulsen unit may be registered with us by one of two  
methods. Completing the enclosed warranty card  
(shipped with the unit), or by filling out the on-line  
warranty registration form located on the Technical Ser-  
vice page of our website (www.traulsen.com).  
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VII. SPECIALTY PRODUCTS - PROOFER/PROOFER RETARDER MODELS  
VII. a - INSTALLATION:  
VII. b - PROOFER OPERATING INSTRUCTIONS:  
The Traulsen proofer is designed to automatically flush  
out the water tank once every 24 hours. The operator  
should select a flush time when the unit is not proof-  
ing.  
MECHANICAL CONNECTION: For plumbing, connect  
water supply to inlet strainer as marked on top of cabi-  
net. This connection should be made with a 3/8” male  
NPT connector. Water supply pressure should 50 to  
80 PSI for best operation.  
This unit displays the time of day and temperature of  
the unit simultaneously. When the proofer is activated  
both the time of day and the flush time must be ad-  
justed.  
The drain connector located at the top rear of the cabi-  
net should be made with a 1/2” NPT drain line which  
should be connected to either a floor drain or sink  
connection. A back flow prevention device (vacuum  
breaker) must be used in the water supply line to this  
unit.  
SETTING THE CLOCK:  
A-TIME OF DAY - When the unit is initially activated  
the time of day is shown as 12 p.m. Use a pointed  
object and insert into the fast or slow openings to ad-  
vance the time of day. NOTE: P.M. is indicated by a  
LED dot in the upper left corner of the time display.  
CAUTION: Any restriction in the drain line could cause  
overflow conditions. It is imperative that the 1/2” NPT  
fitting be used and the drain line not be reduced in  
diameter. If plastic is used, care must be taken to avoid  
collapsing the tubing.  
B-FLUSH TIMER - Insert a pointed object into the flush  
opening to display the flush time. While the flush time  
is being displayed the fast or slow openings should  
be used to advance to the desired flush time.  
ELECTRICAL CONNECTIONS: The Traulsen Proofer  
model requires two separate electrical connections.  
The first connection is to operate the heater and hu-  
midifier. This connection will either be 208/60/1 or 230/  
60/1.  
Once the time clock has been set the unit is ready for  
operation:  
Please note electrical information for each cabinet at  
given voltage.  
1) Adjust the temperature control to the desired  
temperature  
PRI132H  
2) Adjust the humidity control to the desired  
humidity.  
Voltage  
Amps  
Watts  
208/60/1 230/60/1  
21.5  
4400  
24.0  
5500  
To activate the unit turn ON the lower switch and then  
the control switch. Let the unit reach the temperature  
selected.  
PRI232H  
Voltage  
Amps  
208/60/1 230/60/1  
30.0  
6100  
33.5  
7700  
HEATER THERMOSTAT: When adjusting the heater  
thermostat, keep in mind that the heater element does  
not cool instantly. There is an override in temperature  
of approximately 9 to 12 degrees. This may vary, de-  
pending on location, and the thermostat may have to  
be adjusted. Once the unit is warmed up to the de-  
sired temperature, you will notice that the tempera-  
ture will stabilize and not vary significantly.  
Watts  
PRI332H/PRR232HUT  
Voltage  
Amps  
Watts  
208/60/1 230/60/1  
33.5  
7700  
30.0  
6100  
The second connection is a standard 115/60/1 to oper-  
ate the control circuits. When connecting a 115 volt  
power supply to the cabinet, be sure to connect neu-  
tral to white cabinet wire and “live” wire to cabinet  
black wire. Reversal of polarity will cause inconsis-  
tent operation. Electrical information on this connec-  
tion is the same for each proofer cabinet.  
VII. c - OPERATING THE DIAL HUMIDISTAT  
The Traulsen humidifier is controlled by a dial humi-  
distat (R.H.). Adjust dial selector for proper level of  
humidity. The humidity setting should be 2 to 3 per-  
cent below desired setting. The humidifier, in addi-  
tion to creating humidity in the cabinet, will also cre-  
ate heat. Activate the power switch to the control  
heater element. The level of desired humidity should  
be based upon product being proofed. If however, you  
are utilizing one level of humidity for all products, it is  
not necessary to readjust the humidistat each time the  
cabinet is turned on.  
PRI PRR  
115/60/1 115/60/1  
Voltage  
Amps  
Watts  
3.0  
500  
13.5  
2100  
-6-  
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VII. SPECIALTY PRODUCTS - PROOFER/PROOFER RETARDER MODELS (cont’d)  
VII. d - RETARDER OPERATION (cont’d):  
VII. c - OPERATING THE DIAL HUMIDISTAT (cont’d):  
When the desired temperature and humidity settings  
are achieved, the white mode indicating lights will go  
OFF and you are now ready to proof your product. The  
mode lights indicate the various stages of operation  
during the proofing process.  
AUTOMATIC MODE/24 HOUR TIMER - The Traulsen  
proofer retarder cabinet is designed to allow both au-  
tomatic and manual operation. With the function  
switch in the “AUTO” position, a 24-hour timer auto-  
matically switches between PROOF and RETARD  
modes at preset times daily.  
AMBER - “LOWER LEVEL” Will be illuminated during  
normal operation. Will only turn off when heater wa-  
ter level is below minimum safety level or at start-up.  
To set these switching times, carefully pull the front  
protective cover (clear plastic) from the timer, which  
is located on the front panel. These should be one  
green “ON” pin and one red “OFF” pin on the timer  
dial, as well as two spares for each in the top right  
hand corner. Simply pull the red “OFF” pin from the  
outside ring of the dial and place it in the position cor-  
responding to the time that the cabinet should switch  
out of RETARD. NOTE: White portion of the dial cor-  
responds to daytime hours; black portion corresponds  
to nighttime hours.  
WHITE - “THERMOSTAT” Will be illuminated when  
cabinet is not at set temperature. When cabinet  
achieves set temperature, the light will turn off.  
RED - “TROUBLE” Will illuminate whenever the water  
level is below minimum safe level. It will also be on at  
start-up for approximately 30 seconds. When the red  
light illuminates, power to the heaters is turned off.  
This light is also lit during the flush period until the  
units water level returns to normal.  
If the time delay is not bypassed, the cabinet will go  
into a waiting period and then switch into PROOF  
mode. Therefore, the “OFF” pin should be set at least  
one hour and thirty minutes before the cabinet is ready  
to proof. Of course, this will vary with conditions and  
the user should find the best time for application.  
GREEN - “WATER LEVEL” Will be illuminated when  
the water pan is full. This light will turn off when the  
solenoid valve opens to replenish the water pan.  
WHITE - “HUMIDISTAT” Will be illuminated when cabi-  
net is not at set humidity. When the cabinet reaches  
the set point this light will turn off.  
The “ON” pin should be placed at the time when the  
unit should switch out of PROOF. When the pressure  
in the refrigeration system is in the operating range,  
the system will start and soon come down to stan-  
dard retarding temperatures ( 37° to 42° F). The time  
necessary for this function of operating conditions  
(proof temperature, room temperature, etc.) and will  
vary.  
VII. d - RETARDER OPERATION:  
Additional control features for use with model  
PRR232HUT only.  
RETARD MODE: When in retard mode, the refrigera-  
tion system will maintain the cabinet temperature be-  
tween 35° to 40° F. This temperature can be adjusted  
through use of the temperature control, located inside  
the unit mounted on the front of the evaporator coil  
housing. To lower the cabinet temperature, turn the  
control knob clockwise. To raise the temperature, turn  
the knob counter-clockwise.  
Once both pins have been properly placed, set the  
correct time of day. This is accomplished by turning  
the center knob clockwise until the correct hour is in-  
dicated at the white marker in the left-hand corner. Now  
adjust for correct minutes, which are indicated by the  
pointer in the interior cut out on the dial. The timer  
runs independent of the control circuits, and should  
only need adjustment in the event of a power failure.  
TIME DELAY: The Traulsen proofer/retarder cabinet is  
supplied equipped with a time delay. When the unit is  
in automatic operation, this time delay shuts the unit  
down for up to one hour when switching from RETARD  
to PROOF mode. This allows the cabinet to gradually  
rise in temperature before the air and water heaters  
come on.  
TO SET THE UNIT FOR AUTOMATIC OPERATION:  
1. Set the 24-hour timer for the correct time of day  
2. Set pins for desired switching times on 24-hour time  
3. Choose time delay bypass; “ON” or “OFF”  
4. Set mode switch for “AUTO”  
5. Set desired proof temperature and humidity  
6. Place control switch in the “ON” position  
For the best performance, it is recommended that this  
time delay be used. However, a time delay override  
allows the user to bypass the relay, and the unit will  
go from RETARD directly into PROOF. This is accom-  
plished by placing the delay bypass switch in the “ON”  
position.  
The unit will now run automatically.  
-7-  
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VII. SPECIALTY PRODUCTS - PROOFER/PROOFER RETARDER MODELS (cont’d)  
VII. d - RETARDER OPERATION (cont’d):  
MANUAL OPERATION - The Traulsen proofer retarder  
can also be used in either PROOF or RETARD mode,  
regardless of what the 24-hour timer is set for. By  
switching manually to PROOF or RETARD, the cabi-  
net can be run as needed without disturbing the pre-  
set schedule you have the 24-hour timer set for.  
The Proofer Control  
Amber  
“Lower Level”  
Light  
White  
“Humidistat  
Indicator”  
Light  
Red  
“Trouble”  
Light  
White  
Green  
“Water Level”  
Light  
“Thermostat  
Indicator”  
Light  
VII. e - CARE OF WATER TANK & HEATING ELEMENTS:  
The automatic flush system on the Traulsen proof cabi-  
net will help minimize the amount of cleaning neces-  
sary to maintain an accurate and consistent operation  
of this cabinet. Because water conditions vary from  
location to location, we recommend that the tank cover  
be removed and the interior of the water tank, along  
with the heating elements, be cleaned with a soft ny-  
lon bristled brush. We recommend cleaning twice a  
year or as conditions dictate. Replace tank cover be-  
fore placing proof cabinet back into operation. If your  
area has extremely hard water, a local water treatment  
expert should be consulted. It is important to note  
that after treatment the water should not be deionized.  
A simple zeolite conditioner is usually the best sys-  
tem. Use of an in-line cartridge will reduce the fre-  
quency of cleaning the heating coil, but remember to  
frequently replace the cartridge.  
“Flush  
Indicator”  
Light  
LOWER LEVEL  
BLOWER  
TROUBLE  
WATER  
LEVEL  
Traulsen  
FLUSH  
Blower  
ON/OFF  
Switch  
Blower  
Power  
OFF  
102.5 F  
11:30  
ON  
OFF  
TEMPERATURE PM TIME  
HOUR  
HUMIDISTAT  
FLUSH MINUTE  
TEMP  
Switch  
CONTROL  
Humidistat  
Control  
Thermostat  
Flush Time  
&
Time of Day  
Adjustment  
Ports  
The Proofer/Retarder Control  
White  
Red  
“Trouble”  
Light  
White  
“Humidistat  
Indicator”  
Light  
Amber  
“Lower Level”  
Light  
Green  
“Water Level”  
Light  
“Thermostat  
Indicator”  
Light  
Delay  
Bypass  
Switch  
VII. f - INTERIOR ARRANGEMENTS:  
Traulsen proofer and proofer retarder models are de-  
signed to accommodate roll-in bakery racks. See be-  
low for size and capacities.  
DELAY  
BYPASS  
CONTROL  
OFF  
Model PRI132H can accommodate one (1) roll-in rack  
with a maximum size, with wheels inboard of frame, of  
27” wide by 29” deep by 72” high.  
Traulsen  
FLUSH  
ON  
OFF  
102.5 F  
11:30  
Mode  
Switches  
TEMPERATURE PM TIME  
HOUR  
HUMIDISTAT  
FLUSH MINUTE  
Model PRI232H can accommodate two (2) standard 18”  
x 26” pan racks or two (2) 23” x 23” donut screen racks.  
Humidistat  
Control  
Thermostat  
Flush Time  
&
Model PRI332H can accommodate three (3) standard  
18” x 26” pan racks or two (2) 23” x 23” donut screen  
racks.  
Time of Day  
Adjustment  
Ports  
Model PRR232HUT can accommodate two (2) standard  
18” x 26” pan racks or two (2) 23” x 23” donut screen  
racks.  
-8-  
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VIII. SPECIALTY PRODUCTS - EVEN-THAW MODELS  
VIII. d - CONCLUSION OF EVEN-THAW CYCLE:  
VIII. a - APPLICATION OVERVIEW:  
The Even-Thaw cycle will end automatically (return to  
refrigeration mode), when the air circulating in the  
cabinet reaches 40 o f. A green light on the upper left  
hand face of the cabinet indicates refrigeration mode.  
At this point the unit can be used as a holding cabinet  
at refrigerator temperatures with no operator action  
required. If the unit is needed for thawing additional  
frozen product, all previously thawed product should  
be moved to another unit.  
The Even-Thaw is designed to thaw product at safe  
temperatures. By keeping the cabinet temperature  
from rising above 40o F, the Even-Thaw inputs small  
amounts of heat while moving large volumes of air  
around the product. This design allows the product  
to thaw at temperatures that minimize bacteria growth.  
When in Even-Thaw mode, the refrigeration system is  
disabled and a second control adds enough heat to  
keep the cabinet at the upper limit of normal refrigera-  
tor temperatures. The rate at which the frozen prod-  
uct absorbs heat gradually slows as it warms. During  
the Even-Thaw process, the unit will continue to oper-  
ate in this mode (refrigeration OFF, blower and heater  
ON) until the product being thawed can no longer ab-  
sorb the heat as fast as it is being put into the cabinet.  
When this happens, the air temperature will slowly rise  
to 40o F at which time the heater will turn OFF and the  
refrigeration system will begin to cycle. As the refrig-  
eration system begins to cycle the product continues  
to thaw. Based on the product being thawed and the  
way it is loaded, the end-user will have to determine  
how much time it takes to thaw each particular prod-  
uct.  
VIII. e - INTERIOR ARRANGEMENTS:  
Traulsen reach-in even-thaw models are supplied stan-  
dard with tray slides to facilitate thawing.  
Roll-in even-thaw models are designed to accommo-  
date two (2) 27” wide by 29” deep by 66” high roll-in  
racks (measurements with wheels inboard of frame).  
VIII. f - FREQUENTLY ASKED QUESTIONS:  
Q. How much product can I load at one time?  
A. As much as the cabinet will hold with individual  
pieces flat on the sheet without touching each other,  
and with space for air circulation between sheets. This  
could be a hundred pounds or more per section.  
VIII. b - PRODUCT LOADING GUIDELINES:  
THE EVEN-THAW IS DESIGNED TO BE LOADED TO  
CAPACITY FOR EACH EVEN-THAW CYCLE. When the  
unit is cycling at refrigerator temperatures (approxi-  
mately 36o to 39o f), load the cabinet with frozen prod-  
uct to be thawed. If possible, remove all packaging  
and place the product directly on aluminum sheet pans  
for optimum heat transfer. While it is possible to Even-  
Thaw product that is wrapped, it will be slower than if  
it were unwrapped. At the very least the packaging  
should be opened to allow air to circulate. Also, it is  
not recommended to thaw product that is stored or  
packaged in cardboard boxes. Product should be  
placed on the pans in a single layer; each pan should  
be filled with as much product as can arranged with-  
out the pieces touching each other. The cabinet should  
be loaded with as many pans as it will hold and still  
allow air circulation on all sides of the pan.  
Q. How long will it take to thaw?  
A. It can vary greatly depending on the type of prod-  
uct being thawed, packaging (if any), and size of the  
individual pieces. Small “flat” pieces (chicken breasts,  
fish fillets etc.) will thaw the fastest, while large “round”  
items (whole fowl, hams or roasts) will be the slowest.  
In any event the EvenThaw process is much faster than  
thawing in a standard refrigerator, and much safer than  
thawing at room temperature because the product  
never exceeds 40o f.  
Q. Will the EvenThaw work with a small batch?  
A. Not very well. Heat will be introduced into the cabi-  
net faster than a small batch of frozen food can ab-  
sorb it, causing the EvenThaw cycle to end prema-  
turely, and return to refrigeration mode. The product  
will continue to thaw while in refrigeration mode, but  
at a slower rate.  
VIII. c - STARTING AN EVEN-THAW CYCLE:  
With the cabinet filled with frozen product and the  
doors closed, the compressor will run until the air tem-  
perature falls to its lower set point. The blower will  
continue to run, circulating air across the frozen prod-  
uct, which will lower the air temperature further. At  
approximately 32o f, the unit will automatically switch  
to the Even-Thaw mode, disabling the compressor and  
enabling the heater. If the doors are not left open too  
long during the loading stage, this automatic switch-  
ing to Even-Thaw mode normally takes 5 - 10 minutes.  
An amber light on the upper left hand face of the cabi-  
net indicates Even-Thaw mode. Even-Thaw mode can  
also be initiated manually by the start button located  
between the green (refrigeration) and amber (Even-  
Thaw) indicator lights.  
Q. Why is some product not completely thawed when  
the EvenThaw cycle ends?  
A. A partial load, large pieces or packaged product can  
cause the cycle to end prematurely.  
Q. Why does nothing happen when I push the  
EvenThaw cycle start button?  
A. The unit is too warm. The internal air temperature  
must be in the normal refrigeration range to initiate  
the EvenThaw cycle.  
-9-  
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VIII. SPECIALTY PRODUCTS - EVEN-THAW MODELS (cont’d)  
VIII. f - FREQUENTLY ASKED QUESTIONS (cont’d):  
Q. What happens if we lose electrical power during  
the EvenThaw process?  
A. The unit will return to operation in refrigeration mode  
when power is restored.  
Q. What about bagged or boxed product?  
A. It will thaw more slowly than individual pieces be-  
cause the packaging acts as an insulator, hindering  
heat transfer to the frozen product. The EvenThaw  
cycle will probably end prematurely, returning to re-  
frigeration mode before the product is completely  
thawed. It will continue to thaw, but at a slower rate.  
Q. What will happen if I open the door while the unit is  
in EvenThaw mode?  
A. The influx of warm air will cause the EvenThaw cycle  
to end, returning the unit to refrigeration mode. As  
soon as the air is back down to refrigerator tempera-  
ture, the EvenThaw can be restarted using the push  
button located between the indicator lights. DO NOT  
OPEN DOORS DURING EVEN-THAW CYCLE.  
IX. SPECIALTY PRODUCTS - FISH FILE MODELS  
IX. d - PRODUCT LOADING:  
IX. a - FISH FILE APPLICATION:  
Product should be layered in ice, starting and ending  
with a layer of ice. The ice cools the product, keeping  
its surface moist and cleansing it as it slowly melts.  
Traulsen fish file models are specifically designed for  
the storage of fresh fish or poultry in a moist refriger-  
ated environment, packed in crushed ice, thereby pre-  
venting dehydration and bacteria growth. For best re-  
sults, product should be layered between ice starting  
and ending with a layer of ice. The normal operating  
temperature should be approximately 36° F, just right  
to prevent the ice from melting away too quickly. For  
temperature monitoring a digital thermometer is in-  
cluded (dial thermometer on model RFC232WSC).  
Fish and poultry should be held in separate units to  
avoid transferring odors.  
Product should be removed for off hours storage.  
IX. e - CLEANING:  
This unit should be cleaned on a daily basis. The en-  
tire interior should be sprayed with water. Both drawer  
pans and inserts should be thoroughly cleaned and  
sanitized each day.  
IX. b - SPECIAL INSTALLATION NOTE:  
Installation should be performed as typical with any  
other model, see “Section III.” However, a fish file re-  
quires provision of a floor drain for removing water  
resulting from the melted ice. The drain line should  
be located at the bottom of the cabinet. Connect this  
drain line to the floor drain using a 3/4” FPT connector  
(furnished) or equivalent depending on location. Close  
proximity of a hose reel or hose connection is helpful  
to wash out the unit.  
The weep hole in the bottom of the drawer liner should  
be checked to make sure it remians clear, to drain ex-  
cess moisture. Product should not be set in water.  
Both drawer pans and inserts should be thoroughly  
cleaned and sanitized each day.  
CAUTION: An electric condensate evaporator cannot  
be used to dispose of water from melted ice.  
IX. c - DRAWER PANS:  
Each fish file drawer is supplied with one (1) 16” wide  
by 18-7/8” long by 6-1/2” deep plastic pan, each pan  
contains a plastic perforated insert. When the ice  
melts, the resulting water drains through the perfo-  
rated insert at the bottom of the pan into the drain port  
of the pan.  
-10-  
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X. SPECIALTY PRODUCTS - BLAST FREEZER MODELS  
X. a - BLAST FREEZER APPLICATION:  
The roll-in blast freezer models were specifically de-  
signed for batch processing, where quick freezing is  
required to help prolong product shelf life.  
The Blast Freezer Control  
Temperature  
Display  
Traulsen  
X. b - SPECIAL INSTALLATION NOTE:  
DIGITRAUL  
Installation should be performed as typical with any  
other model, see “Section III.” However, a blast freezer  
also requires provision of a floor drain for removing  
condensate. A floor mounted electric condensate  
evaporator is available from Traulsen as an optional  
accessory.  
DEFOGGER  
ON OFF  
ON  
OFF  
Defogger  
Switch  
Timer  
X. g - BLAST FREEZE OPERATION:  
Additionally, these models do not include a cord and  
plug. Actual wiring to the power supply should be pro-  
vided by a qualified electrician.  
To operate in BLAST FREEZE MODE, the blast freeze  
timer must be turned to the appropriate time period  
desired. In this mode, two (2) additional fans will op-  
erate in order to promote rapid freezing of the product  
and a secondary control assumes command of the  
condensing units so as to maintain cabinet air tem-  
peratures of -20° F.  
X. c - INTERIOR ARRANGEMENTS:  
Traulsen blast freezers are designed to accommodate  
27” wide by 29” deep by 66” high roll-in racks (mea-  
surements with wheels inboard of frame). One sec-  
tion model accommodates one (1) roll-in rack. Two  
section model accommodates two (2) roll-in racks.  
Selecting the correct length of time required for blast  
freezing a particular product must be calculated by  
the operator. Freezing times will vary as a result of  
many factors, such as:  
X. d - BLAST FREEZING vs. BLAST CHILLING:  
The Traulsen blast freezer models were designed to  
quickly freeze up to 200 lbs. of refrigerated product  
(maximum start temperature of 40° F) per batch. How-  
ever, it was not designed to refrigerate hot, cooked  
product (140° F) down to either a chilled or frozen state.  
Product Density  
Product Water/Fat Content  
Product Temperature  
Product Load  
Product Packaging & Spacing  
CAUTION: Room temperature or warmer product  
placed in the blast freezer can ice the coil and result in  
reduced performance and/or unit failure.  
All these factors need to be taken into account when  
determining the length of a blast freeze batch. We  
suggest that the operator begin a chart to record their  
own operational experience with frequently used loads  
and their respective freezing times.  
To cool foods at that temperature, a blast chiller is re-  
quired. It was designed to chill its respective capacity  
of product from 140° F down to 40° F in approximately  
90 minutes. If freezing is then required, only then can  
a blast freezer be utilized.  
X. h - PROPER PACKAGING:  
Packaging of food product is necessary to prevent  
dehydration, inhibit oxidation and allow accelerated  
heat transafer. This is due to the combination of high  
air velocities and cold temperatures required for blast  
freezing.  
X. e - NORMAL OPERATION:  
The blast freezer operates as a conventional freezer,  
maintaining temperatures of 0° to -5° F, when not in  
BLAST FREEZE MODE (i.e. with the blast freeze timer  
in the “OFF” position).  
The particular type of packaging chosen should meet  
the following requirements:  
X. f - DEFROST:  
The cabinet has been shipped from the factory with  
three (3) timeclock defrost settings (12 midnight, 8 a.m.  
and 4 p.m.). For proper operation of the defrost sys-  
tem it is imperative that the timeclock be set to the  
correct time of day when the electrician makes the  
original installation. Similarly, if a power failure should  
occur, the timeclock must be reset after resumption  
of normal operation.  
• It MUST have the ability to withstand the  
temperature range through which it will pass (-20° F  
through to 400° F if also used for reheating).  
• It MUST be protected against oxidation.  
• It MUST have the ability to prevent dehydration.  
• It MUST allow for rapid heat trasfer to the food  
during freezing and reheating.  
-11-  
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XI. TROUBLE SHOOTING GUIDE  
FIND YOUR PROBLEM HERE  
REMEDY  
1. Condensing unit fails to start.  
a.  
Check if cord & plug has been disconnected.  
2. Condensing unit operates for  
prolonged periods or continuously.  
a.  
b.  
c.  
d.  
Are doors closing properly?  
Dirty condenser or filter. Clean properly.  
Evaporator coil iced. Needs to defrost.  
Shortage of refrigerant, call service.  
3. Food compartment is too warm.  
a.  
b.  
Check door(s) and gasket(s) for proper seal  
Perhaps a large quantity of warm food has  
recently been added or the door was kept  
open for a long period of time, in both  
cases, allow adequate time for the cabinet  
to recover its normal operating temperature.  
4. Food compartment is too cold.  
a.  
Perhaps a large quantity of very cold or frozen  
food has recently been added. Allow adequate  
time for the cabinet to recover its normal operating  
temperature.  
5. Condensation on the exterior surface.  
6. Compressor hums but does not start.  
a.  
b.  
Check door alignment and gaskets for proper seal.  
Condensation on the exterior surface of the  
unit is perfectly normal during periods of  
high humidity.  
a.  
Call for service.  
-12-  
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XII. WARRANTY INFORMATION  
STANDARD DOMESTIC WARRANTY  
TRAULSEN & CO., INC. warrants new equipment to the original purchaser, when installed within the United States against  
defective material and workmanship for one (1) year from the date of original installation, not to exceed 15 months from  
date of shipment. Under this warranty, TRAULSEN & CO., INC. will repair or replace, at its option, including service and  
labor, all parts found to be defective and subject to this warranty. The compressor part is warranted for an additional  
four (4) years. During this period TRAULSEN & CO., INC. will supply replacement compressor(s) if deemed defective,  
however, all installation, recharging and repair costs will remain the responsibility of the owner.  
This warranty does not apply to damage resulting from fire, water, burglary, accident, abuse, misuse, transit, acts of  
God, attempted repairs, improper installation by unauthorized persons, and will not apply to food loss.  
THERE ARE NO ORAL, STATUTORY OR IMPLIED WARRANTIES APPLICABLE TO TRAULSEN, INCLUDING BUT NOT LIM-  
ITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE WHICH EX-  
TEND BEYOND THE DESCRIPTION ON THE FACE HEREOF. TRAULSEN SHALL HAVE NO OBLIGATION OR LIABILITY FOR  
CONSEQUENTIAL OR SPECIAL DAMAGES, GROWING OUT OF OR WITH RESPECT TO THE EQUIPMENT OR ITS SALE,  
OPERATION OR USE, AND TRAULSEN NEITHER ASSUMES NOR AUTHORIZES ANYONE ELSE TO ASSUME FOR IT ANY  
OBLIGATION OR LIABILITY IN CONNECTION WITH THE EQUIPMENT OR ITS SALE, OPERATION OR USE OTHER THAN  
AS STATED HEREIN.  
INTERNATIONAL COMMERCIAL WARRANTY  
(for Canadian warranties see domestic US warranty)  
TRAULSEN & CO., INC. warrants to the original purchaser the Refrigeration Equipment manufactured and sold by it to be free  
from defects in material and workmanship under normal use and service for a period of one (1) year from date of shipment. Under  
this warranty, TRAULSEN & CO., INC. will reimburse the purchaser for the replacement of any part of said equipment (excluding  
dryers & refrigerant gas) which then proves to be defective. This warranty is void if said equipment or any part thereof has been  
subject to misuse, damage in transit, accident, negligence or alteration.  
TRAULSEN’S standard warranty does not apply to Export Sales. Rather, for a period of one (1) year from date of original  
installation not to exceed Fifteen (15) months from date of shipment from factory, TRAULSEN:  
will replace, F.O.B. factory, any defective parts normally subject to warranty.  
will not cover the cost of packing, freight or labor such costs being the sole responsibility of the dealer.  
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EITHER EXPRESSED OR IMPLIED AND CONSTITUTES  
TRAULSEN’S FULL OBLIGATION AND LIABILITY. WARRANTIES NOT AVAILABLE ON REMOTE MODELS.  
-13-  
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XIII. INDEX  
A
Auto Function  
M
Mode Lights  
7
7
B
N
Back Flow Prevention Device  
Batch  
Blast Chiller  
6
11  
11  
11  
11  
8
O
OFF Pin  
ON Pin  
Oxidation  
7
Blast Freeze Mode  
Blast Freezer  
7
11  
Blower ON/OFF Switch  
Blower Power Switch  
8
P
Packaging, Product  
Polarity, Reversal  
Power Supply  
Proof Mode  
11  
6
C
Cleaning  
5, 6  
2
4
Casters  
Condensate Evaporator  
7, 8  
8
3
Condensate Evaporator, Floor Mounted 11  
Proofer Control  
Proofer/Retarder Control  
8
Cord & Plug  
3
4
4
6
Compressor Hold Down Provisions  
Clearance  
Clock, Setting The  
R
Remote Installation  
Retard Mode  
3
7
Retarder Operation  
Retarding Temperatures, Standard  
Return Authorization  
Roll-In Models  
7
D
Defrost  
7
4
11  
2
Dehyrdation  
Dial Humidistat  
Donut Screen Racks  
Drain Connector  
Drain Line  
3
8, 11  
6, 7  
8
Roll-In Racks  
6
S
6, 10, 11  
10  
Sealant  
Serial Tag  
Shelf Pins  
Shelves  
Strip Heaters  
3
Drawer Pans, Fish File  
1
2, 6  
2, 6  
5
E
Even-Thaw  
9, 10  
F
T
Fish File  
Floor Drain  
10  
11  
Temperature Control, Proofer  
Thermostat Indicator Light  
Threshold Ramp  
Time Delay  
6
7
3
7
7
7
Floor mounted Condensate Evaporator 11  
Flush Indicator Light  
Flush Timer  
Freezing Times  
8
6
11  
Timer, 24-Hour  
Trouble Indicator Light  
G
Gaskets  
U
U-Trap  
5
3
H
Heater  
V
Vacuum Breaker  
Vinyl, Protective Covering  
9
6
2
Heater Thermostat  
Heating Elements  
Hinge  
6
8
4, 5  
6
W
Warranty  
Humidifier  
Humidistat Indicator Light  
Humidity Control  
20  
5
7
Warranty, Registration  
Water Level Indicator Light  
Water Supply, Pressure  
Water Tank  
6
7
6
I
6, 8  
10  
4
Ice, Crushed  
Inlet Strainer  
10  
6
Weep Hole  
Wiring Diagram  
J
X
Y
K
L
Legs  
Z
Zeolite Conditioner  
2
5
7
8
Louver Assembly  
Lower Level Indicator Light  
-14-  
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HOURS OF OPERATION:  
Monday thru Friday 7:30 am - 4:30 pm CST  
EXTENDED WARRANTY SERVICE HOURS  
Monday thru Friday 4:30 pm - 6:00 pm CST  
Traulsen & Co., Inc.  
4401 Blue Mound Road Fort Worth, TX 76106  
Phone: (800) 825-8220 Fax-Svce: (817) 740-6757  
Quality Refrigeration  
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