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
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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 floor.
3. Place hot unit (may be shipped separately) on the top
of the cabinet.
HOW TO START UNIT
(for first-time operation only)
A new oven needs to “burn off” factory oils and glue
before it’s first 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 fit 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.
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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.
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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.
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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, fibrous 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
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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, first 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)
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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
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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.)
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Retherm
Ovens
FL-2273
Rev. 2 (6/08)
Page 10 of 11
5925 Heisley Road • Mentor, OH 44060-1833
WIRING DIAGRAM
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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 flash.
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 suffix number will be Q5 (5 Keys)
or Q10 (10 Keys) instead of Q1
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