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MOBILE REFRIGERATORS
MODELS: PHB7S & PHB12S
OWNER / OPERATOR’S MANUAL
MANUFACTURED BY:
CARTER-HOFFMANN
1551 McCormick Avenue
Mundelein, IL 60060 U.S.A.
Phone: 847-362-5500
Fax: 847-367-8981
Toll Free: 800-323-9793
Email: TechnicalService@Carter-Hoffmann.com
Before using, familiarize
yourself with the heater
controls. Read entire manual
before operating this cart.
PHB12S
CAUTION: EQUIPMENT ELECTRICAL DAMAGE
Do not plug in or use this appliance until all Installation Instructions are read and followed.
This manual is considered to be a permanent part of this appliance and must remain with the appliance if it is sold or
moved to another location
GENERAL INFORMATION
This appliance is intended for use in commercial establish-
ments, where all operators are familiar with the appliance
use, limitations and associated hazards.
Operating instructions and warnings must be read and un-
derstood by all operators and users.
This appliance is intended for use to holding perishable
foods for human consumption. No other use is recommended or authorized by the manufacturer or its agents.
Cleanliness of this appliance is essential to good sanitation.
Read and follow all included cleaning instructions and
schedules to ensure the safety of the food product.
All included trouble shooting guides, component views and
parts lists are included for general reference, and are intended for use by qualified service personnel.
Knowledge of proper installation, operation and maintenance
procedures is essential to ensure the safe operation of this
oven.
SERVICE / SAFETY
Always have dry hands prior to using the piece of equipment.
Turn OFF the unit (not all units have power switches) any-
time the cabinet is not in use.
If an electrical shock is felt when touching the cabinet, dis-
connect the power immediately and call Carter-Hoffmann
Technical Service for assistance.
If the power cord is frayed or the plug damaged, DO NOT
plug into the electrical power receptacle. If it is already
plugged in, turn off the main circuit breaker, usually located
in the building’s breaker box, then disconnect the plug.
Disconnect the power cord before attempting any repairs to
the cabinet.
Repairs to this unit must be by qualified personnel.
DO NOT SPRAY WITH WATER OR CLEANING SOLU-
TIONS, or submerge the appliance. Components and wiring
present a high shock hazard when wet.
Disconnect from power when cleaning cabinet.
NSF7
TABLE OF CONTENTS
UNPACKING AND INSTALLATION 2
CLEANING 3
CONTROLLER OPERATION 4
DAILY OPERATION 5
WIRING DIAGRAMS 6
MAINTENANCE & REPLACEMENT PARTS 7
SERVICE AND SHIPPING DAMAGE PROCEDURE 8
WARRANTY 9
Part Number: 18400-3237 Printed in the United States of America 092716KBA
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UNPACKING AND INSTALLATION
CAUTION: Electric Shock Hazard
All servicing requiring access to non-insulated components must be performed by qualified service personnel. Do
not open any access panels which require the use of tools. Failure to heed this warning can result in electrical
shock. Disconnect this appliance from electrical power before performing any maintenance or servicing.
WARNING: Injury Hazard
All installation procedures must be performed by qualified personnel with full knowledge of all applicable electrical
codes. Failure could result in property damage and personal injury.
WARNING Electric Shock Hazard
Appliance must be plugged into a properly grounded receptacle to prevent possible shock hazard. Electrical shock
will cause death or serious Injury.
WARNING:
Risk of personal injury
Installation procedures must
be performed by a qualified technician
with full knowledge of all applicable
electrical codes. Failure can result in
personal injury and property damage.
CAUTION:
Electrical Shock Hazard
The ground prong of the power cord is
part of a system designed to protect
you from electric shock in the event of
internal damage. DO NOT cut off the
large round ground prong or twist a
blade to fit an existing receptacle.
IMPORTANT:
Power cord is 10' long.
If necessary, contact a li-
censed electrician to install
an appropriate 15 amp electrical circuit with NEMA 5-15R receptacle. DO
NOT use an extension cord.
IMPORTANT:
Damage to unit due to being
connected to the wrong volt-
age or phase is NOT covered
by warranty.
Unpack the cart and any accessories included. Ensure that all packing materials and protective plastic has been removed from the unit. Inspect all components for completeness and condition.
NOTE: DO NOT discard the carton or other packing materials until you have
inspected the appliance for hidden damage and tested it for proper operation.
Refer to SHIPPING DAMAGE CLAIM PROCEDURE on PAGE 8 of this manual.
Appliance should be thoroughly cleaned before use. See CLEANING INSTRUCTIONS, page 3.
Plug the cabinet into a properly grounded NEMA 5-15R electrical receptacle.
DO NOT MODIFY CORD PLUG.
INSTALLATION CLEARANCES: Areas at the top and front of unit must remain
open and unobstructed. A clearance of 6” minimum must be maintained on the
left, right and back sides of the unit.
Before using, familiarize
yourself with the heater
controls. Read entire manual
before operating this cart.
5.5 running amps
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 electrical 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.
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CLEANING
WARNING: ELECTRIC
SHOCK HAZARD
Unplug the unit from
electric po wer before
performing cleaning or maintenance.
WARNING: ELECTRIC
SHOCK HAZARD
DO NOT spray or splash
water on the control panel
or wiring.
CAUTION: CART
DAMAGE
Do not tip cart onto the
doors to drain excess
water. Permanent damage to the
doors and hinges will result. Use a
clean dry cloth to mop any excess
water inside cabinet after cleaning.
Turn the main power switch OFF and unplug the cabinet to before cleaning. DO
NOT spray or splash water on the electrical components, control panel, timer or
wiring.
1. Racks or shelves are easily removed without tools for cleaning, Simply lift up
and pull out. The tray racks may be hand washed or run through an automatic
washer.
2. To clean stainless steel surfaces use only cleansers, detergents, degreasers,
or sanitizers that are certified to be "chloride-free" and "phosphate-free," and
cleansers, degreasers, or sanitizers only in the recommended concentrations.
DO NOT exceed recommended concentrations or mixing ratios. After cleaning and sanitizing, rinse all exposed surfaces thoroughly with large amounts
of clean, clear water. Wipe off any standing liquid or residue from all surfaces,
corners and rear edges.
3. Vinyl trim should be washed with a chlorine-free detergent and water. Rinse
thoroughly with clear water and allow to dry. Never use abrasive clean ers,
waxes, car polish, or substances containing strong aromatic solvents or alcohol. Use of direct steam / hot water cleaning at temperatures above 190°F
may result in “bubbling” or loosening of vinyl adhesive.
4. After all parts are dry, reinstall them and then plug the cabinet back into electrical source.
IMPORTANT: Cleansers, detergents, degreasers, sanitizers or bleaching agents that contain chlorides or
phosphates will cause permanent damage to stainless steel products. This damage appears as pits,
eruptions, voids, small holes, cracks, severe discolorations or dulling of the metal finish. Water with a high
chlorine content can also damage stainless steel. If unsure of your water quality, we recommend you ha ve it
tested. THIS DAMAGE IS PERMANENT, COSTLY TO REPAIR, AND IS NOT COVERED BY WARRANTY.
RECOMMENDED "TIPS" FOR CLEANING STAINLESS STEEL
PURPOSE FREQUENCY CLEANING AGENT METHOD OF APPLICATION
Routine
cleaning
Smears
and
fingerprints
Stubborn spots
and
stains
Hard
water spots
Daily Soap, ammonia,
detergent and water
As needed Stainless steel cleaner,
similar products
Daily or as needed Any chloride-free or
phosphate-free
cleanser
Daily or as needed Vinegar Swab with cloth.
Swab with cloth.
Rinse with clear water, wipe dry.
Rub with cloth as directed on package.
Rub in direction of grain of stainless steel.
Do not use on vinyl trim or control panel.
Apply with damp sponge or cloth.
Rub in direction of grain. Rinse thoroughly.
Do not use on vinyl trim or control panel.
Rinse with clear water, wipe dry.
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Controller
CONTROLLER OPERATION
TO CHANGE THE SET-POINT
1. Access the “Machine Status” menu by pressing the SET key
2. To display the set point value, press the Set key when “Set” is displayed. The set point v alue appe ars on the displ ay.
To change the set point value, press the UP and DOWN keys within 15 seconds. Press SET to confirm the change.
3. Return to the previous screen, press the STAND-BY key once, or do not press any keys for 15 seconds.
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PHB12S
DAILY OPERATION
PHB refrigerators are capable of cooling to a temperature of 32°F (O°C). Precooling time to 40°F (4°C) is approximately 40 minutes. Only product that has
been pre-chilled should be placed into the cabinet. Placing warm product will
elevate the cabinet air temperature above 40°F (4°C) . This will have a direct
effect on optimum serving temperatures.
Due to various conditions such as extremely high kitchen temperatures and/
or humidity, high frequency of tray activity and excessively long op erations,
the door may need to be closed so the unit can recover to proper op erating
temperature.
1. Pre-chill empty cabinet with the door closed for approximately 40
minutes. Always keep the door closed, except when actually loading or
unloading the cabinet. Do not load the cabinet until the proper operating
temperature has been reached (34°-40°F for refrigerators. Po wer switch
will illuminate when cabinet is “ON”.
2. Load the cabinet from the bottom to the top. After loading, close the
door and allow the inside air temperature to recover.
3. If necessary, unplug and move cabinet to serving area. Plug cabinet
back in immediately upon arrival.
4. Unload the cabinet from the top down.
5. Close the door during slow periods to extend the effective temperature
maintenance time.
Remember: the refrigerator must be at proper
temperature before the door is opened.
The cabinet will not lower food temperatures with the door open.
The cabinet is equipped with an automatic condensate ev aporator. To prevent water spills, leave the unit plugged in, with the door closed for at least 90
minutes after use.
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PHB7S & PHB12S Refrigerators
115-100v, 8.5 running amps, 50/60 Hz
Standard Electric
WIRING DIAGRAM
CF = Condenser Fan
C = Compressor
EF = Evaporator Fan
RW = Drainage Heater
PB1 = Cabinet Probe
PB2 = Defrost Probe
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GENERAL MAINTENANCE INSTRUCTIONS
WARNING
Never move cart unless
all doors are securely
closed. Serious damage
to hinges and doors may result if
bumped into walls, tables, or other
equipment when the doors are open.
DOORS
Never tip cart forward or open doors to drain water during or after washing. This can
cause serious damage to the hinges, doors and latches.
CASTERS
Some casters are equipped with Zerk grease fittings so that they may be easily lubricated with a grease gun. Recommended lubrication is at least once every six months.
Lubrication will be required more frequently if carts are cleaned with a hot water or
steam cleaning system. Casters with special bearings are recommended for frequent
cart wash or steam cleaning situations.
HINGES
Your cart doors and hinges have been factory aligned with nylon spacers to assure
positive latching and smooth action. Be sure to replace these washers if the are removed when cleaning doors and hinges. If doors are removed for cleaning, we recommend that they be put back on the same cart to assure the best possible alignment and
operation.
LATCHES
Check frequently to insure that all door latches are secure. Latches may become
“sticky” due to residue build-up from daily use and cleaning. Lubricate latches regularly
with WD-40, silicone spray, graphite or other commercial lubricants for stainless steel
products. Do not use oil.
PERIMETER BUMPERS
Vinyl which has been dislodged from the channel due to severe bumping or scraping
can be pried back into place with a common screwdriver.
WARNING
Use only (OEM) original
equipment manufacturer
unauthorized parts may cause serious
injury. Replacement parts should be
installed by a qualified technician.
replacement parts. Using
Part Numbers
REPLACEMENT PARTS
Contact factory with your model and serial number for replacement
components.
Factory Recommended Charge of Refrigerant:
PHB7S, PHB12S: 15.9 Oz. R404A
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SERVICE EXPECTATIONS
SERVICE PHILOSOPHY
For almost sixty years, Carter-Hoffmann has enjoyed a reputation for manufacturing rugged, dependable
foodservice equipment that permits foodservice professionals serve more food products to more
people, and thus, to grow their business.
Our goal is not only to provide the best food service equipment for the price, but also to back it up with after-sale
service that is responsive fast, efficient and professional. To ensure a clear understanding of our goals, expectations, and responsibilities, we have prepared this brief document.
Carter-Hoffmann products are innovative and efficient. They are easy to use, easy to clean and easy
to maintain. Although the products are quite reliable they are also designed for easy repair. We believe that a malfunction to a Carter-Hoffmann product should cause as little inconvenience to the customer as possible. Our aim is
to provide “same day”/first time fix” repair service on all of our products. We are dedicated to making every aspect
of our customer service the standard by which others are judged.
END-USER RESPONSIBILITIES
While we all strive to serve our mutual customers as well as possible that does not mean that
the end-user (including his employees) does not share some responsibilities.
1. All shipping damage must be noted on the freight bill when the shipment is received. Any freight
damages must be collected from the Freight Company, NOT Carter-Hoffmann.
2. The end-user should be advised beforehand to carefully unpack and inspect all products when they are received
BEFORE SIGNING THE SHIPPER'S RECEIPT OF DELIVERY.
3. The end-user must provide a safe, dry, level surface for the equipment to be placed upon.
4. The end-user must provide the proper electrical supply. All in-wall electrical modifications are to
be completed by a licensed electrician. All building modifications are the responsibility of the end-user.
5. The end-user must operate, clean and maintain the equipment in accordance with the
procedures described in the Operation Manual.
6. Carter-Hoffmann is NOT responsible for any loss of the customer’s income, loss of food product, extra labor
charges, or any other incidental or consequential costs as a result of the malfunction of our product.
7. The end-user shall allow for on-premises repair of the equipment to be completed at a mutually
convenient place and time.
WARRANTY SERVICE
1. Warranty service is to be initiated by authorized Carter-Hoffmann personnel only.
2. The service provider is NOT authorized to change or extend any of the terms or conditions of our warranty.
3. Initial freight damage is NOT covered by the product warranty.
CONFIDENTIALITY
1. The end user and all his employees and sub-agents shall protect and kee p confidential Carter-Hoffmann’s proprietary designs, information, and knowledge.
2. All literature and informational materials provided by Carter-Hoffmann are to be cons idered confidential; they
remain Carter-Hoffmann’s property; and are not to be reproduced without our prior written consent.
SHIPPING DAMAGE CLAIM PROCEDURE
NOTE: For your protection, please note that equipment in this shipment was carefully inspected a nd packaged by skilled
personnel before leaving the factory. Upon acceptance of this shipment, the trans portation 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 receipt,
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 the damage.
3. CONCEALED LOSS OR DAMAGE: if damage is unnoticed until the merchandise is unpacked, notify the transportation
company or carrier immediately, and file “CONCEALED DAMAGE” claim with them. This should be done within ten (10)
days from the date the delivery was made to you. Be sure to retain the container for inspection.
4. Carter-Hoffmann cannot assume liability for damage or loss incurred in transit. We will, however, at your request, supply you with the necessary documents to support your claim.
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WARRANTY
Carter-Hoffmann Warranty:
Carter-Hoffmann (“CARTER-HOFFMANN”) warrants to the initial purchaser of its standard Carter
Line Products that CARTER-HOFFMANN will, at its option, repair or replace, during the warranty
period set forth below, any part of such products made necessary due to a defect in material or workmanship which is present when the product leaves its factory and which manifests itself d ur ing th e warranty period under normal use and service.
This warranty applies only to original equipmen t owned and possessed b y the in itial purchaser an d the
warranty period begins on the date of original shipment from the CARTER-HOFFMANN factory and
extends as follows: to component parts and labor for 12 months (36 months on hotLOGIX and
VAPORPRO holding cabinets and cook & hold cabinets); to refrigeration compressor unit for one
year (limited to replacement only - not to include labor for removal, repair or replacement).
Repair or replacements under this warranty will be performed, unless otherwise authorized in writing
by CARTER-HOFFMANN, at its factory. All parts or components to be repaired or replaced under this
warranty are to be shipped prepaid to CARTER-HOFFMANN, with reimbursement credit for such part
or component to be given if found by CARTER-HOFFMANN to be defective.
CARTER-HOFFMANN neither makes nor assumes and does not authorize any other person to make or
assume any obligation or liability in connection with its pro ducts other than that covered in this warranty. This warranty applies only within the continental United States and Canada. In Alaska and Hawaii, this warranty applies only to and is limited to the supply of replacement parts.
Warranty Exclusions and Limitations:
Any implied warranty of merchantability or fitness for a particular purpose is hereby specifically dis-
claimed by CARTER-HOFFMANN. There are no warranties, expressed or implied, which extend be-
yond the description on the face hereof. This warranty does not cover and CARTER-HOFFMANN shall
not under any circumstances be liable for any incidental, consequential or other damages (such as in-
jury to persons or property, loss of time, inconvenience, loss of business or profits, or other matters not
specifically covered) arising in connection with the use of, inability to use, or failure of these products.
Specifications subject to change through product improvement and innovation.
Carter-Hoffmann
1551 McCormick Ave.
Mundelein, Illinois, 60060 USA
Phone: 847-362-5500 Toll free: 800-323-9793 Fax: 847-367-8981
Sales and Marketing E-mail: sales@carter-hoffmann.com
Service E-mail: technicalservice@carter-hoffmann.com
Company Website: www.carter-hoffmann.com
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