CARTER-HOFFMANN MZ212S-2 Owner's manual

MODULAR HOLDING CABINET
OWNERS OPERATORS MANUAL
All Models Beginning with the Prefix MZ
with “P1-P6” program controller
Rev: KBA072216 Printed in The United States of America Part Number 18400-3159
TABLE OF CONTENTS
SAFETY PRECAUTIONS……………………………………... 2
UNPACKING & INSPECTION, FREIGHT DAMAGE.………. 3
GROUNDING INSTRUCTIONS……………………………….. 3
INSTALLATION & START-UP…………………………………. 4
SPECIFICATIONS…………..…………….…..……...………… 5
CLEANING……………………………...………….……………. 6-7
FEATURES & OPERATING CONTROLS……………………. 7
NORMAL OPERATION…...……..………...…………………... 8
CONTROLLERPROGRAMMING….…..………………………9
MODULAR FOOD HOLDING GUIDE……….…….………….. 10
SERVICE EXPECTATIONS……………………………………. 11
WARRANTY STATEMENT…………………………………….. 12
SAFETY
Knowledge of proper installation, operation and maintenance procedures is essential to ensure the safe operation of this oven.
1. Always have dry hands prior to using the ON/OFF switch.
2. Turn OFF the ON/OFF switch anytime the cabinet is not in use, for extended periods of time.
3. If an electrical shock is felt when touching the cabinet, disconnect the power immediately and call Carter-Hoffmann Technical Service
for assistance or service.
4. If the power cord is frayed or the plug damaged, DO NOT PLUG INTO THE ELECTRICAL POWER RECEPTACLE. IF IT IS
ALREADY PLUGGED IN, SHUT OFF THE MAIN CIRCUIT BREAKER, LOCATED IN THE BREAKER BOX, THEN DISCONNECT
THE PLUG.
5. DISCONNECT THE POWER CORD BEFORE ATTEMPTING ANY REPAIRS TO THE CABINET AND/OR CLEANING THE UNIT.
REPAIRS TO THIS UNIT MUST BE PERFORMED BY QUALIFIED PERSONNEL.
6. DO NOT SPRAY WITH WATER HOSE OR SUBMERGE THE CABINET. ELECTRICAL COMPONENTS AND WIRING PRESENT A
HIGH SHOCK HAZARD WHEN WET.
MANUFACTURED BY:
CARTER-HOFFMANN
1551 McCORMICK AVENUE
MUNDELEIN, IL 60060 U.S.A.
PHONE: [phone]
FAX: [phone]
TOLL FREE: 800-323-9793
EMAIL: [email protected]
READ THIS MANUAL
COMPLETELY BEFORE
OPERATING THIS
APPLIANCE
IMPORTANT: DO NOT DISCARD THIS MANUAL
This manual is considered to be part of the appliance and is to be given to the OWNER of
MANAGER, or to the person responsible for training operators of this appliance.
THIS MANUAL IS TO BE UNDERSTOOD BY ALL PERSONS USING
OR INSTALLING THIS APPLIANCE.
Contact Carter-Hoffmann if you have questions regarding installation,
operation or maintenance of this equipment.
MZ223S
MZ243GS-2T MZ2W2S
MZ213GS-2T
MZ423GS-2T

2
WARNING: ELECTRIC SHOCK HAZARD
All servicing requiring access to non-insulated components must be performed by
qualified service personnel. DO NOT open any access panel that requires the use
of tools. Failure to heed this warning may result in severe electric shock.
CAUTION: ELECTRIC SHOCK HAZARD
Disconnect this appliance from electrical power before performing any
maintenance or servicing.
CAUTION: BURN HAZARD
Exposed metal surfaces can be hot to the touch and may cause burns.
SAFETY PRECAUTIONS
WARNING
IMPORTANT SAFETY INSTRUCTIONS
When using electrical appliances basic safety precautions should be adhered to, including the following:
1) Operators of this appliance must be familiar with the appliance use, limitations and associated
restrictions. Operating instructions must be read and understood by all persons using or installing
this appliance.
2) This appliance must be grounded. Connect only to properly grounded outlet.
See “Grounding Instructions” found on page 3.
3) Use this appliance only for its intended use as described in the manual.
a. This equipment is specifically designed to hold pre-cooked food at temperature.
b. This equipment is intended for use in commercial establishments only.
c.This equipment is not designed for industrial or laboratory use.
4) Cleanliness of this appliance and accessories is essential to good sanitation.
5) DO NOT submerge this appliance in water. This appliance is not jet stream approved. DO NOT direct
water jet or steam jet at this appliance, or at any control panel or wiring. DO NOT splash or pour water
on, in or over any controls, control panel or wiring. DO NOT use corrosive chemicals or vapors in this
appliance.
6) DO NOT operate this appliance if it has a damaged cord or plug, if it is not working properly, or if it has
been damaged or dropped. Do not immerse cord or plug in water, keep cord away from heated
surfaces, and do not let cord hang over edge of table or counter.
7) Only qualified service personnel should service this appliance. Contact nearest authorized service
facility for examination, repair, or adjustment.
8) DO NOT cover or block any openings on the appliance.
9) DO NOT store this appliance outdoors. DO NOT use this product near water – for example,
near a kitchen sink, in a wet basement, or near a swimming pool, and the like.
10) DO NOT use the appliance for storage. DO NOT store flammable or combustible materials in or near
the appliance. Never leave anything in a warming cavity when the appliance is not in use.
SAVE THESE INSTRUCTIONS

3
UNPACKING AND INSPECTION
This appliance
should be
thoroughly
cleaned prior to use.
See the CLEANING
INSTRUCTIONS on
page 6 in this manual.
NOTE: DO NOT discard
the carton or other
packing materials until
you have inspected the
appliance for hidden
damage and checked it
for proper operation.
Refer to FREIGHT
DAMAGE CLAIM
PROCEDURE on
bottom of this page.
1. Remove the cabinet from shipping carton, ensuring that all packing mate-
rials and protective plastic have been removed from the unit.
2. Inspect all components for completeness and condition.
- Metal pan covers. There should be one lid for each cabinet cavity.
- Pans (if ordered)
1. If any freight damage is present, a freight claim must be filed immediately
with the shipping company.
2. Freight damage is not covered under warranty.
3. Check to insure all components are included: cabinet, instruction packet
and additional accessories: amber water reservoir, stainless steel water
trough.
4. Read operation instructions completely.
5. Appliance should be thoroughly cleaned before use. See CLEANING
INSTRUCTIONS on page 6 in this manual.
FREIGHT DAMAGE PROCEDURE
NOTE: For your protection, please note that equipment in this shipment was carefully inspected and packaged by
skilled personnel before leaving the factory. Upon acceptance of this shipment, the transportation company assumes
full responsibility for its safe delivery.
IF SHIPMENT ARRIVES DAMAGED:
1. VISIBLE LOSS OR DAMAGE: Be certain that any visible loss or damage is noted on the freight bill or express re-
ceipt, and that the note of loss or damage is signed by the delivery person.
2. FILE CLAIM FOR DAMAGE IMMEDIATELY: Regardless of the extent of damage. Contact your dealer immedi-
ately.
3. CONCEALED DAMAGE: If damage is unnoticed until the merchandise is unpacked, notify the transportation com-
pany or carrier immediately, and then file a “CONCEALED DAMAGE” claim with them. This should be done within
fifteen (15) days from the date the delivery was made to you. Be sure to retain the container for inspection.
Carter-Hoffmann cannot assume liability for damage or loss incurred in transit, freight damage is not covered under
warranty. We will, however, at your request, supply you with the necessary documents to support your claim.
GROUNDING INSTRUCTIONS
This appliance is equipped with a cord having a grounding wire with a grounding plug which must be plugged into an
outlet that is properly installed and grounded. In the event of an electrical short circuit, grounding reduces the risk of
electric shock by providing an escape wire for the electric current.
WARNING—Improper use of the grounding can result in a risk of electric shock. Consult a qualified electrician or
service agent if the grounding instructions are not completely understood, or if doubt exists as to whether the appliance
is properly grounded.

4
IMPORTANT:
Front and back of cabinet
must remain clear for
access.
Maintain 2” of clearance
on each side of cabinet to
allow for adequate cooling.
NOTE: The technical con-
tent of this manual, includ-
ing any wiring diagrams,
schematics, parts break-
down illustrations and/or
adjustment procedures, is
intended for use ONLY by
qualified technical per-
sonnel.
MODEL MODULES WATTS VOLTS AMPS
MZ112S-2 1 600 120 5.0
MZ212S-2 2 1200 120 10.0
MZ1W2S 2 800 120 6.7
MZ2W2S 4 1600 120 13.3
MZ223S 2 1000 120 8.3
MZ143S 1 600 120 5.0
MZ243S 2 1200 120 10.0
MZ213S-2T 2 800 120 6.7
MZ112GS-2T 1 600 120 5.0
MZ212GS-2T 2 1200 120 10.0
MZ223GS-2T 2 1000 120 8.3
MZ243GS-2T 2 1200 120 5.0
MZ423GS-2T 4 2000 208 9.6
ELECTRICAL SPECIFICATIONS
1. Check for proper voltage and circuit breaker size. Cabinet requires 120
volt, single phase, 15 Amp circuit. Refer to serial tag on the cabinet for the
electrical requirements for your particular cabinet.
2. Ensure receptacle is correctly installed and operating safely. Requires
grounded NEMA 5-15R receptacle. MZ423GS-2T requires NEMA 6-20R
receptacle.
3. Position cabinet on table or counter top. Maintain 2” of clearance on each
side to allow for adequate cooling.
Location
For proper operation and maximum performance, locate the unit in an ambient
air temperature of less than 80°F (21°C).
Avoid areas near exhaust fans where there are active air movements.
For safe operation, locate the unit a reasonable distance from combustible
walls and materials.
To prevent injury and damage, locate the unit at a proper and safe working
height. The location should be level, clean of debris, and strong enough to
support the weight of a fully loaded unit.
Counter-top Mounting
To prevent electrical shock, be sure unit is unplugged from an electrical outlet.
If unit has been operated, allow unit to cool before installing. For safety
reasons, countertop must be made of a non-combustible material, clean and
free of debris.
The charts below give electrical specifications for the most popular models, but due to the nature of continuing change to the number of
configurations we manufacture, may not list your model. Refer to the serial tag on your cabinet for actual electrical specifications.
INSTALLATION AND START-UP
Sample serial tag
location of electrical specs
NEMA 5-15P

5
CONSTRUCTION...All stainless steel double
wall cabinet construction. Black rubber legs.
Modular design with one controller and one
pan cavity per module.
CABINET MATERIAL...All stainless steel;
20 gauge polished exterior. Each cavity has
a scratch-resistant polymer lower surface
with recessed aluminum plate. Angle slides
keep plastic lids in place. Lids are remova-
ble for holding drier foods and cleaning.
CABINET CAPACITY... Capacity and pan
size(s) accepted depend on model (refer to
individual specification sheets). Pass-thru
design for access from front and back.
LIDS... Spring-loaded, polycarbonate lids or
metal lids, depending on model number.
Easily removed, without tools, for easy
cleaning or holding uncovered food prod-
ucts. Lids in place provide seals for pans
containing moisture-sensitive food products.
CONTROLLER... Electronic temperature
controls with countdown timer and audio/
visual alarm. One controller per pan cavity.
Allows user to program temperature in one
degree increments up to 225°F (107°C).
Timer can be set for up to 99 minutes, in 1
minute increments. Countdown will convert
to seconds when less than one minute is left.
HEATING SYSTEM... For each module
there are two 200, 250 or 300 watt silicone
pad heater vulcanized to bottom of alumi-
num plate. One mounted to the top of each
cavity and one mounted to the bottom of
each cavity. Programmable controller, with
a digital temperature and time display.
ELECTRICAL CHARACTERISTICS…
Operates on 120 volts, 60 cycle, single
phase, 200, 250 or 300 watts per zone, am-
perage varies in relation to number of zones.
Ten foot 3 wire rubber cord with 3 prong
grounding plug. NEMA 5-15P. MZ423GS-2T
operates on 208v, 2000 watts, 9.6A, NEMA
6-20P. See individual specification sheets for
detailed electrical specifications.
PERFORMANCE...Capable of heating to
195°F (91°C). Temperature default is 195°
F. Preheat to 180°F (82°C) in less than 10
minutes.
OPTIONS & ACCESSORIES...
►Pans with handles (specify size)
►Contact factory for additional non-standard
module configurations
INTRODUCTION
Carter-Hoffmann MZ Modular Holding Cabinets are designed to hold pre-cooked crispy or moist food products at temperature. Hold-
ing times and temperatures are controlled by an electronic controller and are individually programmable for each module. Timer can be
set in one minute increments up to 99 minutes. Temperature can be set in 1ºF increments up to 225ºF (107°C).
MZ SERIES MODULAR HOLDING CABINET SPECIFICATIONS
MODEL PAN CAPACITY
MZ112S-2T 1 full size, 2 half size or 3 1/3 size (2.5” deep)
MZ212S-2T 2 full size, 4 half size or 6 1/3 size (2.5” deep)
MZ1W2S Two 1/3 size (2.5” deep)
MZ2W2S Four 1/3 size (2.5” deep)
MZ223S-2T Four 1/3 size (2.5” deep)
MZ143S-2T Four 1/3 size (2.5” deep)
MZ243S-2T Eight 1/3 size (4” deep)
MZ223S-2T MZ423GS-2T
MZ112GS-2T
MZ213GS-2T
MODEL PAN CAPACITY
MZ112GS-2T 1 full size, 2 half size or 3 1/3 size (2.5” deep)
MZ212GS-2T 2 full size, 4 half size or 6 1/3 size (2.5” deep)
MZ213S-2T Two 1/3 size (2.5” deep)
MZ223GS-2T Four 1/3 size (2.5” deep)
MZ243GS-2T Eight1/3 size (2.5” deep)
MZ423GS-2T Eight 1/3 size (4” deep)