Cres Cor Convection Oven RR 1332 User Manual

Retherm  
Ovens  
FL-2273  
Rev. 2 (6/08)  
Page 1 of 11  
5925 Heisley Road • Mentor, OH 44060-1833  
INSTALLATION, OPERATION and MAINTENANCE  
MANUAL for Cres Cor  
ELECTRIC ROLL-IN RETHERM OVENS  
RR-1332 Series  
Retherm  
Ovens  
FL-2273  
Rev. 2 (6/08)  
Page 3 of 11  
5925 Heisley Road • Mentor, OH 44060-1833  
INSTALLATION INSTRUCTIONS  
VENTING YOUR OVEN:  
3. Most jurisdictions consider our low-temperature  
ovens (maximum temperature is 350°F/177°C) as  
low-heat appliances not requiring vent hoods.  
1. The purpose of ventilating hoods is to direct and  
capture smoke, grease-laden vapors, heat, odors,  
or fumes.  
4. Installation must conform with local codes. The  
authority having jurisdiction of enforcement of  
the codes will have the responsibility for making  
interpretations of the rules.  
2. Low temperature equipment (maximum  
temperature 250°F/121°C) does not produce heat,  
odors, fumes, grease-laden vapors or smoke and  
is not required to be vented.  
HOT UNIT SPECIFICATIONS:  
All units use three (3) elements (2670 watts each). All units are rated 8200 watts.  
ELECTRICAL SPECS  
MODEL NOS.  
ELEC. LOAD  
POWER SUPPLY REQUIREMENT  
(AC SERVICE)  
Volts  
Ph  
Hz.  
Amps Volts Amps  
Ph  
Wire  
Volts  
NEMA  
HU 18-671-190-MP  
HU 18-671-191-MP  
HU 18-671-192-MP  
HU 18-671-193-MP  
208  
240  
208  
240  
1
60  
60  
60  
60  
39  
34  
23  
20  
208  
240  
208  
240  
50  
50  
30  
30  
1
3
208  
6-50P  
1
3
3
1
3
3
3
4
4
240  
6-50P  
208 L15-30P  
240 L15-30P  
All models are designed for AC Service.  
HOW TO INSTALL CABINETS:  
1. Remove all packing material from inside and outside  
of cabinet.  
2. Position cabinet on level oor.  
3. Place hot unit (may be shipped separately) on the top  
of the cabinet.  
HOW TO START UNIT  
(for rst-time operation only)  
A new oven needs to “burn off” factory oils and glue  
before it’s rst use. Do NOT load food into oven until this  
has been done!  
1. Push switch to “ON”.  
2. Press the SELECT button and choose the TIMED  
mode.  
3. Press the COOK button and set the temperature to  
350°F (177°C).  
4. Press the HOLD button and set the temperature to  
150°F (66°C).  
5. Press the PROBE/TEMP button and set the time to 1  
hour.  
CAUTION: Hot unit is heavy, be sure to have plenty  
of help during installation.  
4. Place roll-in-rack (shipped separately) into cabinet.  
5. Adjust the legs of the cabinet to ensure proper t of  
rack into cabinet.  
6. Open the door and open the cabinet vent.  
7. Allow oven to run automatically for one hour of  
COOK/RETHERM cycle and 30 minutes of HOLD  
cycle.  
8. Allow oven to cool and clean interior of oven.  
Retherm  
Ovens  
FL-2273  
Rev. 2 (6/08)  
Page 4 of 11  
5925 Heisley Road • Mentor, OH 44060-1833  
OPERATING INSTRUCTIONS  
OPTIONAL  
PRODUCT KEYS  
PROBE RECEPTACLE  
POWER SWITCH  
CONTROL  
MODE  
SETPOINTS  
ON  
TIME - TEMPERATURE  
RETHERM  
COOK  
PROBE  
TIMED  
TIME  
SET  
HEAT  
COOK  
HOLD  
SELECT  
PROBE  
OVEN  
TEMP  
START  
STOP  
HOLD  
OFF  
POWER  
HOW TO SET CONTROL:  
For Timed Cook Operation  
FOR PROBE COOK OPERATION  
Press the SELECT button to choose the probe mode.  
Press the SELECT button to choose the timed mode.  
PROBE TEMPERATURE  
1. Press the PROBE/TIME button and the display will  
show the probe setpoint temperature.  
2. Use the UP and DOWN arrows to set the desired  
temperature.  
3. Press the SET button to enter the temperature into the  
control.  
COOKING TIME  
1. Press the PROBE/TIME button. The display will show  
the cook/retherm time.  
2. Use the UP and DOWN arrows to set the desired time.  
3. Press the SET button to enter the time into the control.  
COOKING TEMPERATURE  
1. Press the COOK button and the display will show the  
cook/retherm temperature.  
2. Use the UP and DOWN arrows to set the desired  
temperature  
NOTE: Press the OVEN TEMP button at any time to  
view the actual oven temperature.  
Press the start button and the display will show  
the actual probe temperature.  
3. Press the SET button to enter the temperature into the  
control.  
NOTE: The control will beep when the probe setpoint  
temperature has been reached and then automati-  
cally switches to the Hold mode. The display will  
then show the hold setpoint temperature.  
NOTE: Press the OVEN TEMP button at any time to  
view the actual oven temperature.  
To manually end the Cook/Retherm, Probe,  
or Hold Mode:  
Press the STOP button during any of the above modes and  
the control will end that mode. If in the Cook/Retherm or  
Probe mode, the control will automatically switch into the  
Hold mode.  
HOLDING TEMPERATURE  
1. Press the HOLD button and display will show the  
holding temperature.  
2. Use the UP and DOWN buttons to set the desired  
temperature.  
3. Press the SET button to enter the temperature into the  
control.  
4. Press the START button and the display shows the  
remaining time in the cook/retherm cycle.  
NOTE: The control will beep after it times down to zero  
and then automatically switches to the Hold  
mode. The display will then show the hold set-  
point temperature.  
NOTE: Cold food is NOT to be added when unit is  
operating in the HOLD mode.  
Retherm  
Ovens  
FL-2273  
Rev. 2 (6/08)  
Page 5 of 11  
5925 Heisley Road • Mentor, OH 44060-1833  
OPERATING INSTRUCTIONS (continued)  
HOW TO OPERATE WITH FOOD:  
Manual (Timed mode) Operation  
PROBE COOKING  
See “HOW TO SET CONTROL” for programming  
instructions  
See “HOW TO SET CONTROL” for programming  
instructions  
1. Push the power switch to “ON”.  
1. Push the power switch to “ON”.  
2. Press the SELECT button and choose the Probe mode.  
2. Press the SELECT button and choose the TIMED  
mode.  
3. Insert the probe jack into the receptacle located inside  
the oven top, near the fans. The probe temperature  
display will show the digital temperature of the probe.  
3. Press the COOK button and set to desired temperature  
4. Put sanitized probe into center of food product. Make  
sure food is in the center of the pan, in the center of  
the oven.  
4. Press the PROBE/TIME button and set the desired  
time.  
5. Press the HOLD button and set the desired  
temperature.  
5. Press the start button. The Cook LED will light up and  
the display will show the internal temperature of the  
food being cooked.  
6. Place the food into oven. Close door and double check  
cooking time and temperatures. Then press the START  
button to start the cooking/retherm cycle and the Cook  
LED will light up.  
NOTE: Do NOT change the mode of controls (probed or  
timed) while oven is operating in a Cook/Retherm cycle.  
Oven must be off, or in the HOLD cycle, to change the  
timer or probe operation.  
7. The oven will beep and automatically switch the  
HOLD mode at the end of the cooking cycle. The  
Cook LED will go out and Hold LED will light up.  
HOW TO SET HOLD ONLY MODE:  
NOTE: Cold food is NOT to be added when unit is  
operating in the HOLD mode.  
For HOLD mode, preheat unit to 180°F/82°C for 60  
minutes.  
1. Push the power switch to “ON”.  
2. Press the HOLD button and set the desired hold  
temperature.  
3. Press the PROBE/TIME button to set it to zero time.  
4. Press the START button and the Hold LED will light  
up.  
HOW TO SHUT DOWN OVEN:  
Push power switch to “OFF”.  
CAUTION: Ventilating fans will continue to run until  
cabinet is cool. Do NOT disconnect the power supply to  
the cabinet while the ventilating fans are still operating, or  
damage to components could result.  
Retherm  
Ovens  
FL-2273  
Rev. 2 (6/08)  
Page 6 of 11  
5925 Heisley Road • Mentor, OH 44060-1833  
OPERATING INSTRUCTIONS (continued)  
CAUTION  
Cleaning Hints:  
1. ALLOW CABINET TO COOL.  
1. Use the mildest cleaning procedure that will do the  
job.  
2. REMOVE HOT UNIT  
BEFORE CLEANING  
2. Always rub in the direction of the polish lines to avoid  
scratching the surface.  
3. Use only a soft cloth, sponge, brous brushes, plastic  
Wipe up spills as soon as possible.  
Clean regularly to avoid heavy dirty build-up.  
or stainless steel pad for cleaning and scouring.  
4. Rinse thoroughly with fresh water after every cleaning  
operation.  
5. Always wipe dry to avoid water marks.  
HOW TO CLEAN THE UNIT:  
SOIL  
CLEANER  
METHOD  
1. Sponge on with cloth.  
2. Rinse with water.  
3. Wipe dry.  
ROUTINE  
Soap, Ammonia, or mild  
*detergent and water.  
CLEANING  
CABINET  
STUBBORN SPOTS  
AND STAINS  
Mild abrasive made for  
stainless steel.  
1. Apply with damp sponge or cloth.  
2. Rub lightly.  
Inside and  
Outside  
BURNT-ON FOODS  
OR GREASE  
Chemical oven cleaner for  
stainless steel.  
Follow oven cleaner manufacturer’s  
directions.  
(Stainless Steel)  
HARD WATER  
SPOTS and SCALE  
1. Swab or wipe with cloth.  
2. Rinse and dry.  
Vinegar  
* Mild detergents include soaps and non-abrasive cleaners  
Retherm  
Ovens  
FL-2273  
Rev. 2 (6/08)  
Page 7 of 11  
5925 Heisley Road • Mentor, OH 44060-1833  
MAINTENANCE INSTRUCTIONS:  
TROUBLE-SHOOTING GUIDE  
WARNING  
IF UNIT GETS TOO HOT OR WON’T SHUT OFF, DISCONNECT  
POWER AT BRANCH PANEL. DO NOT UNPLUG CORD!  
If hot unit is NOT working, rst check the following causes:  
1. Cord is unplugged from wall outlet.  
2. Circuit breaker/fuse to wall outlet is blown.  
3. Switch is turned off.  
4. Thermostat is turned off, or is set too low.  
PROBLEM  
POSSIBLE CAUSE  
SOLUTION  
1. Fuse  
2. Control  
3. Sensor  
4. Heater contactor  
1. Replace  
2. Replace  
3. Replace  
4. Replace  
Cabinet does not heat, or doesn’t  
heat properly  
5. Loose wiring at heater contactor  
6. On/Off Switch  
5. Replace  
6. Replace  
1. On/Off Switch  
2. Fuse  
3. Blower  
1. Replace  
2. Replace  
3. Replace  
4. Replace  
Blowers do not operate  
4. Control  
1. Control defective  
2. Heater contactor defective  
1. Replace  
2. Replace  
Heater will not shut off  
Vent fans do not shut off  
1. Replace  
2. Wait until timer has timed out (about 45  
minutes after power switch is turned off)  
1. Vent fan timer defective  
2. Vent fan timer has not timed out  
1. Fuse  
2. Vent fan timer defective  
3. Vent fan defective  
1. Replace  
2. Replace  
3. Replace  
Vent fans do not operate  
Control will not switch from “COOK”  
to “HOLD” (timed mode)  
1. Oven is in “PROBE” mode.  
2. Control defective  
1. Switch to “TIMED” mode  
2. Replace  
1. Oven is in the “TIMED” mode  
2. Probe not plugged in  
3. Control defective  
1. Switch to “PROBE” mode  
2. Plug in probe  
3. Replace  
Control will not switch from “COOK”  
to “HOLD” (probe mode)  
1. Oven in “TIMED” mode  
2. Probe temperature setting lower than  
probe temperature  
3. Probe not plugged in  
4. Control defective  
1. Switch to “PROBE” mode  
2. Set probe temperature to desired  
temperature  
3. Plug in probe  
4. Replace  
Control will not switch to “COOK”  
(probe mode)  
Retherm  
Ovens  
FL-2273  
Rev. 2 (6/08)  
Page 8 of 11  
5925 Heisley Road • Mentor, OH 44060-1833  
REPLACEMENT PARTS  
Include all information on nameplate when ordering parts  
14  
1
2
2a  
MODE  
SETPOINTS  
ON  
TIME - TEMPERATURE  
RETHERM  
COOK  
PROBE  
TIMED  
TIME  
SET  
HEAT  
COOK  
HOLD  
SELECT  
PROBE  
OVEN  
TEMP  
START  
STOP  
HOLD  
OFF  
POWER  
Hot Unit Replacement Parts  
ITEM DESCRIPTION  
Part No.  
ITEM DESCRIPTION  
Switch (On/Off)  
Part No.  
PARTS for 8200W, 1-PH UNITS  
1.  
2.  
0808-113-01-K  
0848-070-K  
0848-072  
0769-174  
0769-167  
0807-058  
0807-151  
0807-048  
0807-150  
15. Terminal Block, Rear  
16. Power Cord  
17. Heater Kit, 208 V  
Heater Kit, 240 V  
18. Strain Relief  
19. Plug  
0852-090  
Microprocessor Control  
0810-124  
0811-261  
0811-262  
0818-061  
0840-033  
2a. Product Keys (optional)  
3.  
4.  
5.  
Vent Fan  
Fan Guard  
Fuse (Before 7-08)  
Fuse (After 7-08)  
Fuse holder (Before 7-08)  
Fuse holder (After 7-08)  
Blower Kit  
PARTS for 8200W, 3-PH UNITS  
15. Terminal Block Segment  
16. Power Cord  
17. Heater Kit, 208 V  
Heater Kit, 240 V  
18. Strain Relief  
19. Plug  
0852-107  
6.  
7.  
8.  
9.  
0769-186-K  
0810-132  
0811-261  
0811-262  
0818-050  
0840-049  
Contactor  
0857-026  
Terminal Block, front  
Terminal Block, rear  
0852-093  
0852-091  
10. Timer, Fan  
0849-089  
11. High Limit Switch  
12. Sensor  
0848-077  
0848-073-01  
0818-014  
13. Sensor Bushing  
14. Connector, Probe  
Probe, 1.5” Long  
0848-059-01  
0848-059-02  
Cabinet Replacement Parts  
Hot Unit, 208V, 1 PH HU18671190MP  
Hot Unit, 240V, 1 PH HU18671191MP  
Hot Unit, 208V, 3 PH HU18671192MP  
Hot Unit, 240V, 3 PH HU18671193MP  
Door Latch  
1006-120-01-K  
1006-120-02-K  
0519-074-K  
1221-542-K  
0861-226  
Door Catch Kit  
Door Hinge  
Door Assembly  
Door Gasket  
Retherm  
Ovens  
FL-2273  
Rev. 2 (6/08)  
Page 9 of 11  
5925 Heisley Road • Mentor, OH 44060-1833  
REPLACEMENT PARTS  
Include all information on nameplate when ordering parts  
19  
L3  
L2  
T3  
T2  
7
L1  
T1  
16  
9
10  
8
18  
15  
6
5
11  
3
4
Hot Unit w/o Top cover  
(For parts description, refer to page 9.)  
17  
13  
12  
14  
6
Bottom of Hot Unit, Cover Removed  
(For parts description, refer to page 9.)  
Retherm  
Ovens  
FL-2273  
Rev. 2 (6/08)  
Page 10 of 11  
5925 Heisley Road • Mentor, OH 44060-1833  
WIRING DIAGRAM  
Retherm  
Ovens  
FL-2273  
Rev. 2 (6/08)  
Page 11 of 11  
5925 Heisley Road • Mentor, OH 44060-1833  
OPERATING INSTRUCTIONS  
FOR OVENS WITH OPTIONAL PRODUCT KEYS  
PROBE RECEPTACLE  
POWER SWITCH  
PRODUCT KEYS  
CONTROL  
MODE  
SETPOINTS  
ON  
TIME  
-
TEMPERATURE  
RETHERM  
COOK  
PROBE  
TIMED  
TIME  
SET  
HEAT  
COOK  
HOLD  
SELECT  
PROBE  
OVEN  
TEMP  
START  
STOP  
HOLD  
OFF  
POWER  
CONTROL PANEL  
The Product Keys provide automatic menu selections  
(arranged in banks of 5 keys, max. 10 keys). Each Product  
Key can be user programmed for desired mode (PROBE  
or TIMED) and the required COOK, HOLD, and PROBE  
or TIME setpoints.  
Product Key Programming  
1. Press the desired Product Key.  
2. Press and hold the SET key until the Product Key light  
begins to ash.  
3. Enter the desired Mode, Cook, Hold and Probe/Time  
values.  
Each Product Key Lights up when pressed “ON”.  
The Product Key Light will go “OFF” when pressed a  
second time or when changing any setpoint value. This  
returns the control to manual operation.  
NOTE: Press the SET key after each value is changed or  
added to accept and store a new setpoint.  
4. To exit; Press the SET key for a few seconds until the  
Product Key light is extinguished.  
Extra Replacement Parts:  
Product Key (5 Keys) 0848-072  
For Hot Unit Replacement, See Page 9:  
The Hot Unit sufx number will be Q5 (5 Keys)  
or Q10 (10 Keys) instead of Q1  

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