Oven Replacement Parts ...............................................11
Hot Unit Replacement Parts .............................................12
Wiring Diagram For 208/240 Volt, 3 Phase .................................13
Wiring Diagram for 480 Volt, 3 Phase ....................................14
SERVICE POLICY and AGENCY LIST ....................................FL-1400
REGISTERING YOUR EQUIPMENT AT www.crescor.com/service/register
COMPLETING A SURVEY EARNS AN EXTRA 90-DAY LABOR WARRANTY!
If the equipment will not go into service immediately, please indicate
that on the warranty registration. Scan QR code to register your
equipment today! If you need a QR reader, visit your App Store on
your Smartphone or Tablet.
WARNING
RISK OF FIRE OR ELECTRIC SHOCK
DO NOT OPEN
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
1. This cabinet passes the EPA 202 test and complies
with section 59 of UL710B for emission of greaseladen air.
2. According to UL, this cabinet does not need to be
placed under a ventilation hood.
UNIT SPECIFICATIONS: All units use six (6) elements (2000 watts each).
All units are rated 12000 watts. Water units have one (1) immersion element (1850 watts).
MODEL NOS.
RO151FWUA18DE2083
RO151FW1332DE2083
RO151FWUA18DE2403
RO151FW1332DE2403
RO151FW1332DE480348036015480303480L16-30R
UNIT SPECIFICATIONS: Units below use six (6) elements (1325 watts each). Units are rated 8,000 watts.
Water units have (1) immersion element (1850 watts).
RO151FWUA18D8K2081
RO151FW1332D8K2081
RO151FWUA18D8K2401
RO151FW1332D8K2401
ELECTRICAL SPECS
(AC SERVICE)
VOLTSPHASESHZAMPSVOLTSAMPSPHASESVOLTSRECEPTACLE
2083603420850320815-50R
2403602924050324015-50R
2083603420850320815-50R
2403602924050324015-50R
3. 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.
ELEC. LOAD
POWER SUPPLY REQUIREMENT
ALL 3 PHASE IS 3 WIRE + GROUND
All models are designed for AC Service. Model numbers may have the letters: DX,L,P, U, Z or S.
HOW TO INSTALL OVENS:
1. Remove all packing material from inside and outside
of oven.
2. Position oven on level oor; install the oven interior
(pan slides) if not already installed.
3. Plug power cord into proper wall receptacle.
4. MANUAL FILL: Fill water pan with three (3) gallons
HOW TO CHANGE FROM °F TO °C (if needed)
1. Push the switch on; the light will come on.
2. Push and hold the “SET” button and the button in the
lower left hand corner together for 5 seconds.
You have now entered into the menu.
3. Scroll over the”Unit” and change it to “C” , then scroll
to the “END”.
of HOT water (see CAUTION).
5. AUTO FILL: Attach water valve on back bottom of
unit to water supply (see “How to use Automatic ll
kit on page 7).
FIRST-TIME OPERATION
NOTE: A new oven needs to “burn off” manufacturing
oils and excessive adhesive before its rst use. Do NOT
load food into oven until this has been done!
LOW WATER LIGHT:
1. Push the switch to on; the light will come on.
MANUAL FILL: When water needs to be added to the
pan, the LowWater Light will stay on and the humidity
will not work until the pan is relled.
AUTO FILL: If water level is low and water supply is not
connected, an error code will display after a time limit.
NOTE: The letters “LOtPr” (low temperature) will show
on the control panel until it reaches 140°F (60°C).
2. Press the “COOK” button.
3. Turn the control knob to show 350°F. Push the knob 3
times to heat the unit. Run the unit like this for one
CAUTION
Use of treated water is recommended for
proper operation and to maintain warranty.
It will reduce scaling.
(1) hour.
4. Turn the unit off and let cool.
5. Wipe the inside clean with detergent and hot water.
*Push the lighted switch on the control panel; the oven
will start heating and stay in HOLD mode.
*The display will read “LOTPR” (low temperature)
below 140°F. (60°C.).
*Push the Air Retherm Switch to “HIGH” for retherming
food; Use “LOW” for cooking.
5925 Heisley Road • Mentor, OH 44060-1833
Holding:
(To use as holding cabinet only, skip steps 1-4 above and
press HOLD button. Complete steps 1-3 below.)
1. Turn the control knob to the desired holding
temperature between 80°F (26°C) and 220°F (104°C).
2. Push the knob to set the temperature.
3. The control automatically switches to allow you to set
cook time.
NOTES: Preheat for one (1) hour after start up before
loading the food for best results when
retherming or cooking heavy loads.
If a power outage occurs or the cabinet is shut
off during a cook cycle, when it is turned on
again all lights on the control will ash to
indicate a disruption. Control will resume
the last cook cycle used. Press any button
to stop the blinking.
If your model does not have a food probe, continue to
section “-DE OVENS” below.
If your model has a food probe,
skip to section “-DX OVENS” on page 5.
-DE OVENS:
Cooking:
1. Press the COOK button.
2. Turn the control knob to the desired cooking
temperature between 180°F (82°C) and 350°F (176°C).
3. Push the knob to set the temperature.
4. The control automatically switches to allow you to set
HOLD temp. (Continue to step 1 below).
Setting the Timer:
1. Turn the control knob to the desired hours/minutes.
2. Push the knob to set the time.
3. The control automatically switches to PREHEAT
mode and will display “PrEHt”
Running the Cycle:
1. The control will ash “PUSH StArt” after the cabinet
has preheated to the set temp and the alarm will sound.
NOTE:A short beep will occur every 90 seconds as
a reminder. This can be turned off in the user menu by
holding the knob and the TIME buttons together for
5 seconds, then scrolling to “PSrE”, changing “y” to
“n”, scrolling to “End”, and pushing the knob to set.
2. Load foods into oven and close the door.
3. Push the START button to begin the Retherm/Cook
process. Display will change between the setpoint
temperature and the countdown of the timer.
4. The alarm will sound after the time is done and the
oven will switch back into HOLD mode. The timer
will now count up, showing how long the food has
been holding.
2. Turn the control knob to the desired cooking
temperature between 180°F (82°C) and 350°F (176°C).
3. Push the knob to set the temperature.
4. The control automatically switches to allow you to set
HOLD temp. (Continue to step 1 below).
Holding:
(To use as holding cabinet only, skip steps 1-4 above and
press HOLD button. Complete steps 1-3 below.)
1. Turn the control knob to the desired holding
temperature between 80° (26°C) and 220°F (104°C).
2. Push the knob to set the temperature.
3. The control automatically switches to allow you to set
cook time.
If cooking with timer, continue to step 1 below. If
cooking with food probe, skip to section “Cooking
with Food Probe”.
Cooking with Timer:
1. Turn the control knob to the desired hours/minutes.
Oven will switch from COOK to HOLD mode when
this time is done.
2. Push the knob to set the time.
3. Oven will switch to PREHEAT mode and control will
display “PrEHt”.
Cooking with Food Probe:
NOTE: Make sure probe was plugged in after step
1 of Holding above. If not, press the PROBE button
and continue to next step below.
1. Turn the control knob to the desired temperature. The
oven will switch from COOK to HOLD mode when
the probe reaches this temp.
2. Push the knob to set the temperature.
Rev. 8 (2/15)
3. Oven will switch to PREHEAT mode and control will
display “PrEHt”.
Page 5 of 14
Running the Cycle:
1. The control will ash “PUSH StArt” after the cabinet
has preheated to the set temp and the alarm will sound.
NOTE:A short beep will occur every 90 seconds as
a reminder. This can be turned off in the user menu by
holding the knob and the TIME buttons together for
5 seconds, then scrolling to “PSrE”, changing “y” to
“n”, scrolling to “End”, and pushing the knob to set.
2. Load foods into oven, insert probe (if applicable) and
close the door.
3. Push the START button to begin the Retherm/Cook
process.
a. If cooking with timer, display will alternate between
the setpoint temperature and the countdown of the
timer.
b. If cooking with probe, display will show the
probe temp.
4. The alarm will sound after the time is done and the
oven will switch back into HOLD mode. The timer
will now count up, showing how long the food has
been holding.
NOTE: At any time, the CANCEL button can be
pushed to return the oven back to HOLD mode at the
previous set temperature.
The DISPLAY button shows (cycles through) all the
values when in each mode:
*The units of the humidity control are approximate %
relative humidity. The amount of moisture will vary for
the same %RH value at different oven temperatures.
* The LOW WATER Light comes on when water pan
needs to be relled.
*Press the ON/OFF button to turn it on.
Setting the Humidity:
1. At any time, press the knob and the setpoint %RH will
ash.
2. Turn the knob to the value you desire.
3. Press the knob to set the value.
For use with the Retherm Control:
1. On the Retherm control, when selecting the COOK
temperature, the humidity setpoint will be ashing on
the Aquatemp control.
2. Turn the knob on the humidity control to the desired
“Cook Humidity” value.
3. On the Retherm control, when selecting the HOLD
temperature setpoint, the humidity setpoint will be
ashing on the Aquatemp control.
4. Turn the knob on the humidity control to the desired
“Hold Humidity” value.
NOTE: These humidity values then are set and switch
automatically based upon which Retherm mode
it is in.
Rev. 8 (2/15)
Page 7 of 14
How to use the Automatic Water Fill:
There is a water ll connection under the bottom left rear
of the oven. Remove the plug on the end of the connector.
1. Connect the plastic tubing provided to the connector
and the other end to your water supply. Turn water
supply on.
2. Press and hold both the DISPLAY button and the knob
of the AquaTemp humidity control for ve seconds.
3. Turn the knob until when the display shows FILL,
select “Y” for yes and press the knob to set.
4. Go to END to exit the menu. Auto water ll should
start.
To shut down:
1. Press and hold both the DISPLAY button and the knob
of the Aquatemp humidity control.
2. Turn the knob to FILL and push to enter. Select “N”
for no; go to END to exit the menu.
3. Turn off your water supply and clean out the water pan
after it cools (See “Maintenance Instructions” on page 8).
NOTES: It is recommended to use treated water to
prevent failure of ll valve.
If water supply pressure is high, it is recommended to
regulate it to make sure the ll valve closes reliably.
The DISPLAY BUTTON momentarily shows the
approximate relative humidity in the oven. When water
level is low, %RH is not correct, so no value is displayed
and the water heater does not heat.
1. For vertical (up and down movement) adjustment:
a. Loosen (2) screws located in magnetic strike.
b. Move strike up or down for alignment to magnet on latch.
c. Tighten screws to secure
2. For horizontal (greater or lesser magnetic draw) adjustment:
a. Loosen (4) screws in door latch.
b. Move latch forward or backward to adjust magnetism.
c. Tighten screws to secure.
Rev. 8 (2/15)
Page 9 of 14
TROUBLE-SHOOTING GUIDE
WARNING
IF OVEN GETS TOO HOT OR WON’T SHUT OFF, DISCONNECT
POWER AT BRANCH PANEL. DO NOT UNPLUG CORD!
If 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.
NOTE: Vent fans will not operate until the control compartment requires ventilation to limit temperatures. Replacement
of electrical components must be done by a qualied electrician.
Refer to our Service Agency list, FL-1400 (found in the back of this manual), of authorized service centers.
Instructions for replacing parts are included in replacement parts list.