SERVIT 423PDW18D1 User manual

1
USER MANUAL
18" Humidified Rotang & Non-Rotang
Pizza/Pretzel Warmers
Models: 423PDW18D1, 423PDW18D2, 423PDW18D1P, 423PDW18D2P, 423PDW18D1S,
423PDW18D2S
10/2021
RETAIN THIS MANUAL FOR FUTURE REFERENCE.
UNIT MUST BE KEPT CLEAR OF COMBUSTIBLES AT ALL TIMES.

2
USER MANUAL
Table of Contents
Owner's Information ............................................................................................................................... 3
Safety Warnings .....................................................................................................................................4
Specifications ......................................................................................................................................... 6
Control Panel ..........................................................................................................................................6
Operating Instructions ............................................................................................................................7
General Cleaning..................................................................................................................................... 9
Wiring Diagrams ................................................................................................................................... 11
Troubleshooting .................................................................................................................................... 12
Warranty............................................................................................................................................... 13

3
USER MANUAL
Owner's Informaon
Please complete this information and retain this manual for the life of the equipment. For warranty purposes, please
fill out and retain this information. An example of the serial plate(s) for these units are included below
for reference.
Model No.
Serial No.
Date of Purchase:
Serial Plate Example:
ITEM #: 423PDW18D1
MANUFACTURER MODEL #:
DESCRIPTION: ROTATING PIZZA WARMER 18", SINGLE DOOR
VOLTAGE: 120V • WATTAGE: 1500W
AMPERAGE: 13.1A • FREQUENCY: 60Hz
SERIAL #:
MADE IN CHINA
WARNING! Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death.
Read the installation, operating, and maintenance instructions thoroughly before installing or serving this equipment.
WARNING! Disconnect from electric supply before adjustment, alternation, service or maintenance.
WARNING! Minimum clearance from side and back of unit to combustible construction: 10" from sides and 10" from back.
For use in noncombustible locations only.
WARNING! Commercial use only, not intended for household use.
WARNING! ELECTRICAL SHOCK HAZARD, do not immerse electrical components.

4
USER MANUAL
ServIt humidifed Rotating and Non-rotating pizza/pretzel warmers are designed to keep foods at optimum serving
temperatures without affecting quality, for hours at a time. Hold anything from hot pretzels, fresh pizza, nachos, hot
dogs, and more, perfect for commercial environments such as convenience stores, self-service restaurants,
and supermarkets.
All models include standard features such as LED lighting to effectively illuminate food product, and 3-sided
merchandiser decal slots for effective merchandising. Digital readout and push-button controls are top mounted
for convenient access and adjustment. They are built for tough front-of-house duty with rugged stainless-steel
construction, heavy-duty hardware, and smart merchandising features to attract any customer.
On rotating models, the rotating racks will stop automatically when either the front or rear door is opened, making
it ideal for front or back counter applications. On non-rotating models, the racks are fully adjustable on height to
allow for various sizes of pre-packaged foods. All models come in either 1 or 2 door configurations for use on a back
counter or the order line for impulse purchases and easy reloading from the operator side.
This manual provides the installation, safety, and operating instructions for Rotating and Non-rotating pizza/pretzel
warmers. ServIt recommends all installation, operating, and safety instructions appearing in this manual be read
prior to installation or operation of the unit.
SAFETY WARNINGS
ServIt Humidified Pizza/Pretzel Warmers are designed, built, and sold for commercial use and should be operated
by trained personnel only. Clearly post all CAUTIONS, WARNINGS, and OPERATING INSTRUCTIONS near each unit to
insure proper operation and to reduce the chance of personal injury and/or equipment damage.
WARNING: Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance. Keep the area free and clear of combustible materials.
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury
or death. Read the Installation, Operating and Maintenance Instructions thoroughly before installing or servicing this
equipment.
CAUTION: These models are designed, built, and sold for commercial use only. If these models are positioned so
the general public can use the equipment, make sure all cautions, warnings, and operating instructions are clearly
posted near each unit so that anyone using the equipment can use it correctly and not injure themselves or the
equipment.
CAUTION: Make sure food product has been heated to the proper food-safe temperature before placing in unit.
Failure to heat food product properly may result in serious health risks. This unit is for holding preheated food
product only.
CAUTION: Locate unit in an area that is convenient for use. The location should be level and strong enough to support
the weight of the unit and contents.

5
USER MANUAL
ELECTRIC SHOCK HAZARD:
• Plug unit into a properly grounded electrical receptacle of the correct voltage, size, and plug configuration. If
plug and receptacle do not match, contact a qualified electrician to determine and install proper voltage and size
electrical receptacle.
• Installation must conform to all local electrical codes, and where applicable must be installed by a qualified
electrician. Installation by unqualified personnel will void unit warranty and may lead to electric shock or burn, as
well as damage to unit and/or its surroundings.
• Turn OFF power switch, unplug power cord/turn off power at circuit breaker, and allow unit to cool before
performing any cleaning, adjustments, or maintenance.
• DO NOT submerge or saturate with water. Unit is not waterproof. Do not operate if unit has been submerged or
saturated with water.
• Unit is not weatherproof. Locate unit indoors where ambient air temperature is a minimum of 70°F (21°C).
• Do not clean unit when it is energized or hot.
• Do not steam clean or use excessive water on the unit.
• This unit is not “jet-proof” construction. Do not use jetclean spray to clean this unit.
• Do not pull unit by power cord.
• Discontinue use if power cord is frayed or worn.
• Do not allow liquids to spill into the unit.
• This unit must be serviced by qualified personnel only. Service by unqualified personnel may lead to electric
shock or burn.
FIRE HAZARD:
• Locate unit a minimum of 12" (25 mm) from combustible walls and materials. If safe distances are not
maintained, discoloration or combustion could occur.
• Do not use harsh chemicals such as bleach (or cleaners containing bleach), oven cleaners, or flammable cleaning
solutions to clean this unit.
BURN HAZARD:
• Some exterior surfaces on unit will get hot. Use caution when touching these areas.
• Use caution when opening doors. Hot air escapes when door is open.

6
USER MANUAL
SPECIFICATIONS
• Cordset configuration: 120V NEMA 5-15P, 3 Wire grounded cord
• If the supply cord is damaged, the manufacturer or an authorized service agent or a similarly qualified person
must replace it to avoid a hazard or voiding the warranty:
CONTROL PANEL
Item # Maximum
Pizza Size # of Doors Includes Pretzel Rack # of Shelves Rotating Voltage Wattage
18" Pizza Warmers, Rotating
423PDW18D1 18" 1 N 4 Y 120V 1500W
423PDW18D2 18" 2 N 4 Y 120V 1500W
18" Pizza/Pretzel Warmers, Rotating
423PDW18D1P 18" 1 Y 4 Y 120V 1500W
423PDW18D2P 18" 2 Y 4 Y 120V 1500W
18" Pizza Warmers, Non-Rotating
423PDW18D1S N/A 1 N 4 N 120V 1500W
423PDW18D2S N/A 2 N 4 N 120V 1500W
NEMA
5-15P
Master On/Off
Water Reservoir
Temperature
Readout and
Control Panel
CABINET TEMPERATURE
AIR TEMPERATURE
HUMIDITY
°F °C

7
USER MANUAL
OPERATING INSTRUCTIONS
General Information:
• Always clean equipment thoroughly before first use. (See general cleaning instructions).
• Check rating label for your model designation and electrical rating.
• For best results, use stainless steel countertops.
General Operating Instructions:
• All foodservice equipment should be operated by trained personnel.
• Do not allow your customers to come in contact with any surface labeled CAUTION HOT.
• Where applicable: Never pour cold water into dry heated units.
• Never hold perishable food below 150°F (66°C).
Unboxing Instructions:
CAUTION: Pizza/pretzel warmer units are heavy and require two people to install.
1. Remove unit from carton and all packaging materials from the unit.
2. Remove the manual/information packet from the unit.
3. Place the unit in desired location.
4. NOTE: Place where the ambient air temperature is constant and a minimum of 70°F, and maximum 85°F. Avoid
areas that are subject to active air movements or currents. Make sure the unit is located on a solid, level area and
at a proper height for convenient use and also following health standards.
5. Locate an outlet of the correct plug and voltage type for the unit and plug in to.
Set-Up Instructions:
1. Ensure unit is properly plugged into adequate, grounded power outlet.
2. Turn the power switch to the “I” (on) position.
a. The display will light up and heating element will begin heating.
b. “LO H2O” will flash once on the display until the water tank is filled with water, once the tank is full “LO H2O”
will stop flashing and the display will show cabinet temperature.
3. Fill the tank up with distilled water, being careful not to overfill.
a. Turn on the tank cover.
b. Add water to the tank until “LO H2O” stops flashing.
NOTE: the water reservoir tank has a capacity of 1 gallon, use distilled water only.
WARNING: ELECTRICAL SHOCK HAZARD.
FAILURE TO FOLLOW THE INSTRUCTIONS IN THIS MANUAL COULD RESULT IN SERIOUS INJURY OR DEATH.
Electrical Ground is required on this appliance. Do not modify the power supply cord plug. If it does not fit into the
outlet, have the proper outlet installed by a qualified electrician Do not use an extension cord with this appliance.
Check with a qualified electrician if you are unsure as to whether the appliance is properly grounded.

8
USER MANUAL
NOTE: A fully filled water tank can work continuously for 3-6 hours. The working time depends on different
parameters, food type, frequency of door openings, as well as other factors. When the display flashes “LO H2O”,
fill the water tank immediately. Failure to refill the water tank may result in damaged unit and/or voided product
warranty.
NOTE: Different kinds of food will affect the cabinet temperature and humidity. The temperature on display is the
cabinet temperature, not the food temperature. Follow all HAACP and safe food handling guidelines as dictated by
Local, State and Federal governments.
4. Set the humidity parameters as required (See humidity settings instruction).
5. Set the temperature parameters as required (see temperature settings instruction).
6. Allow the unit 30 minutes to preheat to the desired temperature and humidity levels.
Operating Instructions:
1. To lock the controller, press and hold “-“ on the control panel until the display shows “OFF”.
2. To unlock the controller, press and hold “-“ on the control panel until the display shows “ON”.
NOTE: while unit is locked, the display will readout cabinet temperature. Temperature and humidity are unable to
be adjusted while the control is locked.
NOTE: The unit’s controlled will default to the last temperature and humidity setting upon start-up.
Temperature Instructions:
NOTE: Refer to the recommended settings chart for ideal settings for a variety of foods.
1. Press the “ ” button to start (the display will show “tSP”).
2. Press the “ ” button again (the display to show the current cabinet temperature).
3. Press “ ” or “ ” buttons to modify temperature between 86-194°F.
4. After 15 seconds, the temperature setting will be stored, and the display will return back to normal mode.
Humidity Instructions:
NOTE: Refer to the recommended settings chart for ideal settings for a variety of foods.
NOTE: Before setting the humidity, fill the water reservoir tank with 1 gallon of distilled water.
1. Press the “ ” button to start (the display will show “hSP”).
2. Press the “ ” button again (the display to show the current cabinet humidity).
3. Press “ ” or “ ” buttons to modify humidity between 1-5.
4. After 15 seconds, the humidity setting will be stored, and the display will return back to normal mode.

9
USER MANUAL
Recommended Settings Chart:
Food Product Temperature Humidity Max Holding Time (hours)
Rolls, Hard 160-185°F 1 4
Rolls, Soft 150-175°F 2-3 4
Pies, Desserts 160-185°F 3-4 3
Pizza, Thick Crust 170-185°F 4-5 2
Pizza, Thin Crust 165-180°F 5 2
Pretzels 135-150°F 3-4 3
Sandwiches, Wrapped 165-180°F 3-4 2
Chicken, Roasted 165-180°F 4-5 4
Chicken, Fried 165-180°F 1 4
Hot Dogs 160-185°F 4-5 3
Onion Rings 150-175°F 1 2
French Fries 135-150°F 1 2
NOTE: Temperature and humidity settings will require adjustment according to type and quantity of food, and number
of times door(s) are opened during operation. These are recommendations based on ideal environments, and will
need adjusted according to the usage environment.
NOTE: Cleaning solution or Delimer may be run through the water tank. Excess water is needed to flush out the
cleaning solution through the line and tank until the water flows clear.
GENERAL CLEANING
NOTES:
• Never clean any electrical unit by immersing it in water. Turn off unit and unplug before surface cleaning.
• Always clean equipment thoroughly before first use. Clean unit daily. Except where noted on charts: Use warm,
soapy water. Mild cleansers and PLASTIC scouring pads may be used to remove baked-on food and water scale.
• Turn off electrical units before cleaning or servicing.
Instructions:
1. Follow general cleaning instructions (above).
2. Remove all food, remove all shelves (see specific instructions below).
3. Place a bucket or bowl inside the unit to catch the water, locate the drain underneath the inside top of the cabinet.
4. Turn the drain handle half a turn and allow the water tank to empty.
5. Close drain before adding new water.
6. If Lime or Mineral build-up occurs, follow below guide on “removing lime and mineral deposits”.

10
USER MANUAL
NOTE: If lime and mineral deposits are still present in the water pan, repeat this procedure and increase the amount
of time the de-liming mixture stands in the water tank.
Cleaning and Installation of
Rotary Shelves:
1. Turn off the unit and unplug it, allow the unit up to 30
minutes to cool down. NOTE: Opening the glass door(s)
can help speed up the cooldown process.
2. Loosen top nut and bolt of the rotary shelf and remove.
3. Remove the rotary shelf from the heated cabinet and
handwash with warm soapy water and air dry.
4. Place shelf back into unit, securing using the nut and bolt.
Cleaning and Installation of
Non-Rotary Shelves:
1. Turn off the unit and unplug it, allow the unit up to 30
minutes to cool down. NOTE: Opening the glass door(s)
can help speed up the cooldown process.
2. Lift the shelf from the clips.
3. Remove the shelves from the heated cabinet and
handwash with warm soapy water and air dry.
4. Place shelves back into unit on clips.
Removing Lime and Mineral Deposits:
1. Turn off the unit, unplug, and allow the unit to cooldown.
2. After the unit has cooled, remove and empty the water pan.
3. Fill the water pan with a mixture of 70% water and 30% white vinegar to a level where it covers the lime and
mineral deposits.
4. Plug in and turn on the unit to the highest temperature and humidity settings. Allow the unit to run for 30 minutes.
5. Turn off the unit and unplug the power cord, allow unit to cool.
6. Allow the water pan to stand with the deliming solution for at least two hours (the time required will vary
depending on the amount of deposits in the water tank).
7. Using a bucket or bowl, drain the unit to empty the deliming solution from the water tank.
8. Continue to fill and drain the water tank with clean water until the deliming solution is flushed out and the water
flows through clear through the drain valve.
9. Replace the rack, plug unit in and refill the water tank with up to 1 gallon of distilled water.
Clutch
Bolt
Nut

11
USER MANUAL
WIRING DIAGRAMS
Rotating Models Only:
Non-Rotating Models Only:

12
USER MANUAL
Issue Reason Solution
No lighting in the interior
of the cabinet
Unit is not plugged in Inspect power source, ensure power cord is
undamaged
LED light failure Replace LED lights
Rotating display has stopped
rotating
Motor damage Replace motor
Door(s) not completely closed Close door(s), check magnetic door(s)
sensor(s)
Unit is not hot enough
Thermostat off Dial in temperature
Defective Thermostat or Heating Element Contact place of purchase or authorized
service agent
Unit has not had enough time to preheat Allow unit 30 minutes to reach operating
temperature
Temperature is set too low Change the temperature to a higher setting
Door(s) are not closed completed Make sure door(s) are completely closed
Unit is too hot
Temperature is set too high Change the temperature to a lower setting
Unit is connected to incorrect power
supply Contact authorized service agent
Defective Thermostat or Heating Element Contact place of purchase or authorized
service agent
Product is too dry Door(s) are open Make sure door(s) are completely closed
Water tank is empty Fill water tank up
Unit is not working at all
Unit is not plugged in Plug unit into proper power supply
Unit is not turned on Turn unit on using on/off switch
Circuit breaker tripped Reset circuit breaker
Controls are defective Contact place of purchase or authorized
service agent
Defective thermostat or heating element Contact place of purchase or authorized
service agent
TROUBLESHOOTING