Please complete this information and retain this manual for the life of the equipment. For
Warranty Service and/or Parts, this information is required.
Maintenance & repair should be handled by a factory authorized agent. Before doing any maintenance or
repair, contactAPW Wyott Technical ServiceDepartment at (800) 752-0863 or (307) 634-5801.
General Information2
Description, Installation & Operation3
Electrical Ratings3
Equipment Set-Up3
Installation3
Operation3
Cleaning4
Maintenance4
Parts List w/Exploded Views4
Wiring Diagram6
Warranty7
GENERAL INFORMATION
General Installation
1.Always clean equipment thoroughly before first use. (See general cleaning instructions).
2.Check rating label for your model designation and electrical rating.
3.This unit can be used with the legs supplied or by sealing this unit to a counter top.
General Operation Instructions
1.All foodservice equipment should be operated by trained personnel.
2.Do not allow your customers to come into contact with anysurface labeled "CAUTION HOT".
3.Where applicable, never pour cold water into dry heat units.
4.Where applicable, do not cook, warm or hold food directly in bottom of unit. Always use racks and
pans.
5.NEVER HOLD FOOD BELOW 140° F.
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General Cleaning Instructions
1.Never clean any electrical unit by immersing it in water. Turn unit off and allow it to cool down before
surface cleaning.
2.Always clean equipment thoroughly before first use. Clean unit daily. Except where noted on charts:
Use warm, soapy water. Mild cleaners and PLASTIC scouring pads may be used to remove bakedon food and water scale on metal units.
3.Unplug electrical units before cleaning or servicing. All service should be performed by an APW
Wyott authorized service agency.
General Troubleshooting
Always ask and check:
1.Is the unit connected to a live power source?
2.Check circuit breaker.
3.Is the power switch on and the pilot light glowing?
4.Check the rating label. Are you operating the unit on the proper voltage? If the above checks out and
you still have problems, call anAPW Wyott authorized service agency.
DESCRIPTION, INSTALLATION AND OPERATION
Description
1.These electrical units are designed for countertop operation. They are intended to keep food warm,
not for cooking or reheating.
ELECTRICAL RATINGS
1.MODEL HDC-4 HEATED DISPLAY CABINET -120 Volt, 60 Hz, 1Phase, 10.5 AMP
OR
2.220 Volt, 50 Hz, 1 Phase, 7 AMP
EQUIPMENT SET UP
Installation
1.This unit is shipped as a complete unit and does not require any field assembly except for the
supporting legs as if they are going to be used.
2.Install this unit on a countertop close to an outlet with theproper volts for the unit youare installing.
3.This unit can be installed by sealing the unit to a counter top without the legs or by installing the one
inch adjustable legs provided for a portable unit.
4.Be sure not to block the louvers located on the sides ofthe cabinet.
NOTE:
Operation
1.Plug the power cord into a properly rated electrical outlet.
2.Adjust the thermostats to thedesired air and water temperature.
3.Allow unit to stabilize before storingproduct.
Clean unit thoroughly before putting this unit into service.
NOTE:
Before First Use and Cleaning
1.Before first use, clean using a non-corrosive, grease-dissolving commercial cleaner, clean the
NEVER HOLD FOOD BELOW 140°F.
protective metal oils from all the surface parts. Follow the cleaner manufacturer's directions. Clean
all the accessories, rinse and wipe dry the unit and all accessories.
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Cleaning
1.Always allow the unit to cool before cleaning.
Daily
1.Wash all exterior and interior surfaces at least once daily. Use a cloth with warm water and a mild
soap or detergent.Anon-abrasive cleaner may be used to remove discoloration's. Always rub in the
direction of the polish lines on the stainless steel finishes. Do not use steel wool. Pieces of steel
wool will adhere to the stainless steel and cause rusting.
Maintenance
1.Follow general cleaning instruction.
2.Disconnect electrical power supply.
3.Clean the water pan by removing the units top panel (four screws), see illustration on page 6, then
loosen the air channel cover (six screws). Remove the water pan cover (four screws) by sliding it
out from underneath the air channel cover then lift it straight up, the float switch and thermostat bulb
are attached to this cover and are easily damaged so use caution. Remove any mineral buildup
from the thermostat bulb and float switch. Remove mineral buildup from water pan. Replace the
water pan cover, tighten all screws on the water pan cover and the air channel cover. Replace the
unit top and replace the screws.