Wittco 200-3R-BI-C Service Manual
OPERATIONS
MAINTENANCE
MANUAL
DRAWER WARMERS
CAFE SERTES & RESTAURANT SERTES
WITTCO MODEL NUMBERS
200-1R-C
200-2R-C
200-3R-C
200-4R-C
200- 1R-BI-C
200-2R-BI-C
200-3R-BI-C
200-4R-BI-C
200-iR
200-2R
200-3R
200-4R
200-1 R-BI
200-2R-BI
200-3R-BI
200-4R-BI
wittco
foodservice
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LIMITED WARRANTY
Wittco warrants the Products that
workmanship, under normal use and service, for the periods indicated below from the date of purchase
when installed and maintained in accordance with Wittco's written instructions. Buyer must establish
the "Products" purchase date by returning Wittco's Warranty registration Card or by other means
satisfactory to Wittco in its sole discretion.
Wittco warrants its Products to be free from defects in materials and workmanship from the date of
purchase (subject to the foregoing conditions) for the period(s) of time and on the conditions listed
below:
Ninety (90) days Labor Warranty
One (1) Year Parts Warranty
THE FOREGOING WARRANTIES ARE EXCLUSIVE AND IN LIEU OF ANY OTHER WARRANTY,
EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR PATENT OR OTHER
INTELLECTUAL PROPERTY RIGHT INFRINGEMENT. Without limiting the generality of the foregoing,
SUCH WARRANTIES DO NOT COVER: Coated incandescent light bulbs or heat lamps, all glass
components, Product misuse, tampering,
recalibration of thermostats or high limit switches.
LIMITATION OF REMEDIES & DAMAGES
Wittco's liability and Buyer's exclusive remedy hereunder will be limited solely, at Wittco's option, to
repair or replacement by a Wittco authorized service agency (other than where Buyer is located outside
of the United States or Canada, in which case Wittco's liability and Buyer's exclusive remedy
hereunder will be limited solely to replacement of part under warranty) with respect to any claim made
within the applicable warranty period referred to above.
foregoing, all portable Products, as defined by Wittco, shall be delivered by Buyer, at its sole expense,
to the nearest Wittco authorized service agency for replacement or repair.
to accept or reject any such claim in whole or in part. Wittco will not accept the return of any Product
without prior written approval from Wittco, and all such approved returns shall be made at Buyer's sole
expense. WITTCO WILL NOT BE LIABLE. UNDER ANY CIRCUMSTANCES. FOR CONSEQUENTIAL OR
INCIDENTAL DAMAGES, INCLUDING BUT NOT LIMITED TO LABOR COSTS OR LOST OF PRODUCTS
AND LOSS OF PROFITS RESULTING FROM THE USE OF OR INABILITY TO USE THE PRODUCTS.
it manufactures to be free from defects in materials and
misapplication, application
Without limiting the generality of the
of improper voltage, or
Wittco reserves the right
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WITTCO TECHNICAL & PRODUCT SUPPORT
TECHNICAL SUPPORT & SERVICE INQUIRES MAY BE DIRECTED TO WITTCO BY:
CALLING DIRECTLY TO:
WITTCO FOODSERVICE EQUIPMENT TECHNICAL & SERVICE DEPARTMENT - (800)
367-8413
8:00 AM - 4:30 PM (CENTRAL TIME)
FAXING DIRECTLY TO:
WITTCO FOODSERVICE EQUIPMENT TECHNICAL & SERVICE DEPARTMENT - (414)
354-2821
DAILY 24 HOURS
MAILING DIRECTLY TO:
WITTCO FOODSERVICE EQUIPMENT INC.
7737 NORTH 81ST. STREET
MILWAUKEE, WISCONSIN 53223
USA
WHEN DIRECTING INQUIRIES TO WITTCO PLEASE HAVE THE FOLLOWING INFORMATION
AVAILABLE TO AVOID DELAYS
Wittco model number indicated on the equipment serial data plate located at the
electrical connection.
Wittco serial number indicated on the equipment serial data plate.
serial number will also have two (2) alpha characters immediately following the serial
number. These alpha characters are part of the serial
number.
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INTRODUCTION
The 200 series of drawer warmers from Wittco Foodservice Equipment provide an efficient and
sanitary method of holding a variety of hot prepared foods.
This manual has been produced to provide persons responsible for the operation and maintenance
of the equipment with a simple but comprehensive understanding of its proper use and care. We
recommend that this manual be read and understood prior to placing the unit into operation.
NOTE:
THE DRAWER WARMER SHOULD BE THOROUGHLY CLEANED IN
ACCORDANCE WITH THE INSTRUCTIONS CONTAINED IN THIS
MANUAL PRIOR TO PUTTING INTO SERVICE.
It is recommended that prior to placing the drawer warmer into operation that it be pre-heated
at the highest temperature setting for period of 30-45 minutes.
Should repair or adjustment of the unit become necessary, we suggest that procedures described
in this manual be followed. The operator may also contact the authorized Wittco dealer who
sold the product or an authorized Wittco service agency. If the needed repair occurs during the
warranty period, prior authorization is required from Wittco by the service company before the
work is commenced.
It is our sincere desire that you obtain the maximum benefit from your Wittco heated drawer
warmer system.
Wittco ar 800 367-8413.
If at any time questions arise or additional information is required, contact
DESCRIPTION
The Wittco 200 series of drawer warmers provide an efficient means of holding a variety of
prepared hot food products at proper temperatures until serving. The 200-R series is provided
with a large 15 X 20 over-sized drawer insert and the 200-C series with a standard
12 X 20 X 4 steam table pan insert.
UNCRATING
Each Wittco drawer warmer system is packed in a cardboard carton, which in turn is banded to
a wooden pallets. When the unit is received by the operator, the carton should immediately be
inspected for any sign of visible exterior damage to the carton.
dented, it many be an indication that the unit has sustained concealed freight damage.
If the carton is punctured or
It is very important that any evidence of damage be noted on the Bill of Lading at the time
of receipt.
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UNPACKING THE UNIT
Remove the banding material holding the carton to the pallet.
Remove the cardboard carton and the plastic bag covering the unit.
Carefully lift the unit off the carton bottom and pallet and place it on the floor or table.
Remove the legs for the unit located in the drawer of the unit.
Secure the legs to the bottom of the drawer warmer by screwing the legs into the holes
provided.
Remove any and all packaging materials in the drawers.
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Thoroughly clean the unit as described in the instructions.
ELECTRICAL REQUIREMENTS
The 200 drawer warmer series are factory wired for either 110/120 volt or 208/240 volt, single
phase operation. All 110/120 volt units are equipped with a 6 foot cord and NEMA 5-15 plug
as standard equipment. All 208/240 volt units are equipped with a 6 foot cord and NEMA 5-15
plug (200-iR & 1C; 200-2R & 2C; 200-3R & 3C) and a NEMA 6-20 plug (200-4R & 4C)
CAUTION: Verify that the power source matches the data plate on the lower rear corner
of the unit and the plug configuration before the connection is made.
OPERATION
The control panel of the 200 series contains an operating indicator light and full range
thermostat.
Once the unit has been connected to the appropriate power source the unit is ready for operation.
the operating thermostat also acts as the on/off switch to the drawer warmer system. Turning
the thermostat counter clock-wise until it stops will turn the system off.
Rotate the thermostat dial so that it points to the number 5. This will cause the heating elements
to start heating. When this occurs the red operating indicator light will illuminate,
this light
will stay on as long as the heating element are engaged. Once the predetermined temperature
is achieved, the heating element will begin to cycle.
indicator light will turn on and off as the heating elements cycle.
As the heating elements are heating, the thermometer will begin to move and indicate the interior
temperature of the cabinet. At the number 5 setting the thermometer should indicate an average
temperature of approximately 150 degrees F.
During this period the red operating
NOTE: The temperature in any heated unit will fluctuate as the heating element cycle on
and off. The thermostat setting will provide an average temperature in the unit. However,
the operator should always monitor the food product to insure that it remains at proper
temperatures.
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REMEMBER - THE GREATER THE THERMOSTAT NUMBER SETTING THE
HIGHER THE UNIT TEMPERATURE AN1 THE LOWER THE THERMOSTAT
NUMBER SETTING THE LOWER THE CABINET TEMPERATURE.
CLEANING
The interior drawer inserts of the unit should be cleaned prior to putting unit into service. Use
a mild soap and water solution to clean. Never use harsh chemicals or abrasive pads to clean
the unit.
REPLACEMENT OF ELECTRICAL COMPONENTS
It is highly recommended that only Wittco Foodservice Equipment replacement parts be used
to insure compatibility of component parts in the operation of the drawer warmer system.
THERMOSTAT/SENSING BULB REPLACEMENT
DISCONNECT THE UNIT FROM ITS POWER SOURCE.
Remove the black thermostat control knob from the control panel by loosening the "Lend" screws that hold it to the thermostat stem.
NOTE: PRIOR TO LOOSENING THE '1-END" SCREWS, TURN THE BLACK
THERMOSTAT KNOB SO THAT THE ARROW ON THE KNOB IS IN THE "OFF"
POSITION.
Remove the control panel from its housing by removing the control panel retaining
screws and gently pulling the control panel forward exposing the back side of the control
panel.
Notice the arrangement and connection of all electrical leads and refer to the wiring
diagrams for reference.
Disconnect the wire leads connected to the thermostat.
Remove the entire drawer from the unit exposing the temperature sensing bulb..
Loosen the screws holding the temperature sensing bulb to the interior drawer
compartment.
NOTE: The temperature sensing bulb must be replaced whenever the thermostat is
replaced.
thermostat.
The temperature sensing bulb lead wire is permanently connected to the
Remove the screws holding the thermostat to the control panel.
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Gently pull the temperature sensing bulb lead wire through the access hole and remove
entire thermostat.
Install the replacement thermostat and temperature sensing bulb following the reverse
order of the above procedure.
Reinstall the control panel to the unit.
Reconnect the unit to its power source and test.
HEATING ELEMENT REPLACEMENT
DISCONNECT ThE UNIT FROM ITS POWER SOURCE.
Remove the entire drawer from the unit exposing the heating element.
Remove the element retaining screws securing the element to the floor of the drawer
compartment.
Remove the element retaining screws securing the element housing to the rear of the
drawer compartment.
Gently pull the element from its housing exposing the heated element wire connectors.
Disconnect the element connectors.
Install the replacement heating element following the reverse of the above steps.
Reinstall the drawer to its compartment by following the revere of the above.
Reconnect the unit to its power source and test.
INDICATOR LIGHT REPLACEMENT
DISCONNECT THE UNIT FROM ITS POWER SOURCE.
Remove the retaining screws holding the control panel to the unit.
Remove the control panel from its housing gently pulling the control panel forward
exposing the back side of the control.
Notice the arrangement and connection of all electrical leads and refer to the wiring
diagrams for reference.
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