Giles GHM-5C Service Manual
Operations & Service Manual
GHM SERIES
(CERAMIC HEATERS)
GHM-4C
GHM-5C
GHM-6C
GHM-8C
CAUTION: Read instructions before using this appliance.
Giles Enterprises, Inc.
ISO 9001 Registered
2750 Gunter Park Drive West • Montgomery, AL 36109 USA
Phone: 334.272.1457 • Fax: 334.239.4117 • Website: www.gfse.com
Toll Free: 800.554.4537 (USA & Canada Only)
Form No. 66203 (Rel. Feb.2014, Rev. A)
LIMITED WARRANTY
• Subject to the terms and conditions of this Limited Warranty as herein stated, all Giles Enterprises,
Inc., Foodservice Equipment and parts purchased new from an authorized Giles Enterprises, Inc., representative are warranted as to defects in material or workmanship for a period of 24 months from the
date of installation, provided, however, that with regard to labor costs in connection with this warranty, see below. All installations must be made by a qualified installing agency in accordance with all
applicable codes and/or regulations in the jurisdiction in which installed. Limited warranty coverage is
extended to the original owner only and is void if the unit is resold.
• During the Limited Warranty period, Giles Enterprises, Inc. will replace or recondition, at its factory, any
part or parts of this unit which Giles Enterprises, Inc. inspectors judge defective, provided the unit has
been subjected to normal usage, properly installed, operated and serviced. This Limited Warranty does
not cover cosmetic damage, and damage due to acts of God, accident, misuse, alteration, negligence,
abuse of the Giles Foodservice Equipment or the use of unorthodox repair methods. All parts replaced
under this Limited Warranty carry only the unexpired term of this Limited Warranty. Limited Warranty
service may be furnished only by an authorized Giles Enterprises, Inc., representative.
• If Limited Warranty service is requested, Giles Enterprises, Inc., will send factory-authorized service
representatives to repair, recondition, replace or inspect units of its manufacture with such labor being
rendered without cost to owner for twent-four (24) months from the date of installation. Otherwise,
service, including labor and transportation charges or other expenses, in connection with the removal
or installation of any part or parts supplied under this Limited Warranty, are specified on the original
sales contract between the purchaser and the authorized Giles Enterprises, Inc., representative.
• Failure to use Giles OEM Replacement Parts and/or Filters may void the factory warranty.
• Giles Enterprises, Inc. reserves the right to change or improve its equipment and parts in any way without obligation to alter such equipment or parts previously manufactured.
• Giles Enterprises, Inc. makes no further warranties, express or implied including implied warranties of
merchantability or fitness for a particular purpose, and has no other obligation or liability not specifically
stated herein.
• Repair or replacement as provided under this Limited Warranty is the exclusive remedy. Giles
Enterprises, Inc., shall not be liable for any incidental or consequential damages for breach of any
express or implied warranty on this product, except to the extent prohibited by applicable law. Any
implied warranty of merchantability or fitness for a particular purpose on this product is limited in duration to the duration of this Limited Warranty.
• Used Giles Enterprises, Inc., Foodservice Equipment or parts or Giles Enterprises, Inc., Foodservice
Equipment or parts not purchased from an authorized Giles Enterprises, Inc., representative, carry no
warranties, express or implied.
Model: GFW WarmerTable Of Contents
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Safety Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Specific Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1-1. Important Onwer Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1-2. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1-3. Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1-4. Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1-5. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1-5.1. Overall Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1-5.2. Regulatory Listings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1-5.3. Unit Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1-5.4 Electrical Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2-1. Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2-2. Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2-3. Electrical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2-4. Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2-5. Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2-4.1. Installation of Glass & Lighting (Self Serve) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2-5. Electrical Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2-6. Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2-7. Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3-1. Heating Element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3-2. Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7. Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
7-1. Parts Ordering and Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
7-2. Control Panel Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
7-3. Element Assembly - Lower Heater. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7-4. Top Heater Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7-5. Glass & Work Shelf Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
iii
Safety Model: GHM SERIES
Safety
Safety Overview
The instructions contained in this manual have been prepared as an aid for learning the proper procedures for
installing, operating and servicing your new unit.
Throughout this manual, safety precautions are identified through the use of a safety alert symbol and three
key words: DANGER, WARNING and CAUTION. All safety alert information precedes the activity or
activities to which it applies. Suggested, recommended or other noteworthy information is identified through
the use of NOTES. Additionally, certain words are used to indicate a specific meaning or to add emphasis.
The following words are used as indicated throughout this manual:
Shall - understood to be mandatory.
Should - understood to be advisory.
May - understood to be permissive.
Will: - indicates the occurrence of a future event/condition.
or
(Safety Alert Symbol)
These symbols are used in conjunction with key words (DANGER, WARNING or CAUTION) to alert you to
potential personal injury hazards. They are displayed immediately preceding the precautionary measures that
pertain to a subsequent activity or activities. Obey all safety messages that follow these symbols to avoid
possible injury or death. Failure to adhere to safety precautions identified by the safety alert symbol may
also void the warranty.
DANGER
• Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING
• Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION
• Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
Also used to alert against unsafe practices.
CAUTION
• When used without the safety alert symbol, CAUTION indicates a potentially hazardous situation which, if
not avoided, may result in equipment or property damage, and void the warranty.
NOTE:
• Identifies suggested, recommended, or other noteworthy information.
v
Model: GHM SERIES
Safety
Specific Safety Precautions
For your safety, please observe the following precautions when operating or servicing your Giles equipment.
Read the following important safety information to avoid personal injury and/or damage to the equipment.
DANGER
• Turn off the unit and shutdown supply power at the breaker panel, or service disconnect, before cleaning or
performing maintenance.
• DO NOT ADD WATER OR OTHER LIQUIDS! The food well area is not sealed and liquids can leak onto the heating
elements underneath, or contact other electrical components.
• Unit is NOT wash-down safe ... DO NOT spray the interior or exterior with water from a hose.
• Failure to comply with these DANGER notices will result in death or serious injury, equipment or property damage
and void the warranty.
WARNING
• Consult a qualified electrician to ensure that:
•• all electrical specifications and codes are complied with.
•• circuit breakers and wiring are of sufficient rating and gauge.
• The unit must be properly grounded and all electrical specifications must adhered to during installation.
• Improper installation, adjustment, alteration, service or maintenance could result in death or serious injury,
equipment or property damage and void the warranty.
• DO NOT use or store flammable liquids or products that can produce flammable vapors in the vicinity of this or any
other appliance!
• Spillage of food products or water onto nearby floor areas can create a potential slipping hazard adjacent to the
appliance. Immediately clean up any spillage.
• Failure to comply with WARNING notices could result in death or serious injury and equipment/property damage
and void the warranty.
CAUTION
• The unit must remain in a horizontal position.
• Exercise care when removing the wooden shipping crate from around the unit and the unit from shipping skid.
• DO NOT operate the unit unless you fully understand its components and their intended function (see Section 3).
• Parts of the unit, including food pans and food products, will become HOT!
Temperatures inside the unit can exceed 150°F (65.5°C). The surfaces of the Upper Ceramic Heaters can reach in
excess of 400°F (204.5°C). Exercise caution when operating, handling food pans, cleaning, or servicing the unit.
Wear personal protective equipment (PPE), such as Thermal Oven Mitts, while performing activities around the unit.
• Failure to comply with CAUTION notices may result in minor to moderate injury, equipment or property damage and
void the warranty.
vi
Safety Model: GHM SERIES
CAUTION
• Prepared food products, held for sale, must be maintained at a minimum temperature of 150°F (65.5°C) or in
accordance with state and local health regulations.
• The unit must be adequately and properly grounded. Improper grounding may result in electrical shock.
Always refer to local electrical code to ensure proper grounding technique is used for this or any other
electrical equipment. Always consult with an electrician, or other qualified service person, to ensure circuit
breakers and wiring are of sufficient rating and gauge for the equipment being powered. A wiring diagram is
provided with the appliance to aid electricians and technicians during installation.
• Units are factory wired for a specific voltage, phase and cycle. Check the rating label on the unit to determine the
correct required power supply.
• Be sure the unit is positioned in a secure, safe location
• The appliance is not to be used by persons (including children under 8 years of age) with reduced physical, sensory
or mental capabilities, or lack of experience and knowledge, unless they have been given instruction and supervision
concerning its safe use, and understand the hazards involved.
• Children must be instructed, or otherwise restricted, not to play with the appliance.
• Cleaning and user maintenance shall not be performed by children without supervision.
• Repairs to the appliance are to be performed by service agents who are either trained by or specifically authorized by
Giles to service this equipment.
• Allow the unit to cool down a minimum of 15 minutes before cleaning or servicing.
CAUTION
• Control Panel components are somewhat impact-sensitive. To avoid damage and maintain proper operation, exercise
care when working around the Control Panel area or when maneuvering carts in close proximity to the appliance.
• DO NOT install the unit adjacent to combustible walls and materials. Failure to maintain safe clearance may result in
fire.
• When cleaning of the unit
•• DO NOT steam clean.
•• DO NOT use products containing chlorine.
•• DO NOT use abrasive products, steel wool or scouring pads.
•• DO NOT use oven cleaner.
•• DO NOT pour water into the food well pan.
• DO NOT modify, add attachments, or other wise alter this equipment!
vii
NOTE:
• If the crate was damaged upon receipt, immediately inspect the unit and notify the freight company of any damage
to the unit.
• Refer to the provided wiring diagram during installation or servicing. Wiring diagrams are also available on the Giles
website, www.gfse.com
.
• Comply with all appropriate state and/or local heath regulations regarding the cleaning and sanitation of all
foodservice equipment.
viii
Introduction Model: GHM SERIES
1. Introduction
Thank you for choosing the Giles Heated Merchandiser (GHM) manufactured by Giles Enterprises, Inc.,
Montgomery, Alabama (USA), hereafter referred to as "Giles". The unit is either a model GHM-4, GHM-5,
GHM-6 or GHM-8, with any one of several different configuration options: a). total full-serve unit, b). combination unit (main full-serve section & a 2-foot “customer self-serve” section), c). total “customer self-serve”
unit (GHM-4 or 5 only), and d). clear or tinted doors and side glass.
The GHM can be installed into a base counter or stand alone on a counter-top by utilizing the adjustable legs
provided. The GHM has been developed with flexibility in mind, designed to maximize the number of menu
selections displayed while keeping food products fresh, maintaining them at the proper serving temperature
awaiting your customers’ enjoyment.
To help protect your investment in this equipment, we recommend taking a few moments to familiarize yourself with the installation, cleaning and maintenance procedures contained in this manual. Read these instructions before installation and use. Adherence to these recommended procedures minimizes the potential for
costly "down-time" and equipment repairs. With proper care and maintenance this unit will provide years of
dependable, trouble-free service.
Please retain this manual for future reference.
1-1. Construction
The GHM is constructed primarily of Series-400 Stainless Steel. The unit features a tempered Europeanstyle glass cover.
1-2. Standard Features
Temperature - Each well has variable lower and upper heater temperature control, indicator lights verify
operation. GHM4 - 3 wells, GHM5 - 4 wells, GHM6 - 5 wells, GHM8 - 7 wells.
Lighting
European-Style Glass
open position for easy cleaning.
Fold-Down Shelf
- Provided by two (2) economical, coated, fluorescent tubes.
- Allows maximum visibility of products. Pneumatic struts will hold glass in the
- HDPE (high-density polyethylene) work shelf, removable.
1-3. Optional Features
Self-Serve - GHM-5,6 & 8 are available with a 24” section (either right or left) that is open to the customer-
side of the unit, allowing customers to serve themselves. The GHM-4 & 5 is available with the full width
open to the customer-side for self service.
Glass Style
- Side glass and rear glass doors are available in either clear or mirror tint finish.
1
1-4. Specifications
.XXX = ±.020
DECIMALS/FRACTIONS ±1/32
OTHERWISE SPECIFIED
TOLERANCES UNLESS
SHEET METAL DEPT.
WELDING/ASSEMBLY DEPT.
DECIMALS
ANGULAR ± 2°
DECIMALS
S
MACHINE SHOP
.XXX = ±.005
.XX = ±.010
.XX = ±.031
T
MONTGOMERY, ALABAMA
R
ENTERPRISES, INC.
ANGULAR ± 0.5°
ANGULAR ± 0.5°
B CHANGED DIMS; 44-1/8 WAS 43-7/8, 36-5/8 WAS
36-3/8
A RELEASE FOR PRODUCTION 10/07/13 CSY ----
SYM.
28 13/16
731.84
24 13/16
630.24
17
431.51
36 5/8
930.76
44 1/8
1121.26
7
0
°
96 1/4
2444.7
70 5/16
1786.34
57 3/8
1457.15
44 7/16
1128.02
7 1/8
181.46
1-4.1. Overall Dimensions for GHM4, GHM5, GHM6, GHM8
IntroductionModel: GHM SERIES
INCHES [mm]
2
Introduction Model: GHM SERIES
1-4.2. Basic Steam Pan Configurations
INCHES [mm]
Pan Depth 2-1/2 [63.5] to 4 [101.6]
3
1-4.3. Regulatory Listings
1-4.4. Unit Weights
IntroductionModel: GHM SERIES
Weights
Model
lb kg lb kg
GHM4 489 221.8 277 125.6
GHM5 515 233.6 325 147.0
GHM6 621 281.7 390 177.0
GHM8 812 368.3 503 229.0
Crated Uncrated w/o product or pans
1-4.5. Number of Pan Wells & Heat Zones
Model Pan Wells Heated Zone Lighting Zone
GHM4 3 3 1
GHM5 4 4 1
GHM6 5 5 1
GHM8 7 7 1
4
Introduction Model: GHM SERIES
5
6
Installation
Model: GHM Series
2. Installation
This section explains the procedures necessary for proper installation of the unit. To help prevent personal injury or
equipment damage, please ensure the following steps are followed.
DO NOT ALTER, ADD ATTACHMENTS, OR OTHERWISE MODIFY THIS EQUIPMENT.
2-1. Location
While the selection of location is typically dependent on operational needs and site-specific factors, the following
should be considered before finalizing installation plans for this equipment.
● The appliance and surrounding area should be kept free and clear of combustible materials. Maintain a minimum
clearance of 6” [154.2 mm] in front of the unit.
● The appliance shall be electrically grounded in accordance with local electrical code, or in the absence of local code,
with the current National Electrical Code (NEC),
● Be sure that sufficient space is available for proper operation of the appliance, and that consideration is given for
space required to perform future service, maintenance, or repair.
● Be sure that adequate ventilation is provided in the operating area, as necessary.
● Consult a qualified electrician, or other service technician, prior to installation to ensure that the power supply
available at the intended location meets the electrical specifications stated on the unit’s rating label.
● Make certain the unit is installed on a counter, or suitable base, that is stable and substantial enough to support the
unit’s weight, plus weight of food it is to contain.
● Be sure that the unit is secure in its location and cannot be inadvertently moved.
The above considerations will help to ensure a safe and proper installation. If you have any questions concerning these
procedures, please contact a Giles Manufacturer’s Representative or equipment Dealer, or contact Giles Services at
800.554.4537.
7
InstallationModel: GHM Series
2-2. Unpacking
The unit is shipped on a wooden skid with a protective wooden framework; secured to the skid by means of high
strength strapping. The entire skid is wrapped with machine-applied stretch wrap. Auxillary items, such as Side
Glasses, Pan Dividers, Legs and Fluorescent Lights, are packed separately cartons in the pan well. Be certain to remove
and retain.
● The unit is heavy ... Exercise care when lifting or moving ... Use adequate manpower or handling equipment.
● Exercise care when removing the wooden crate material.
● Failure to comply with CAUTION notices may result in minor to moderate injury, equipment or property damage,
and could void the factory warranty.
IMPORTANT!
If the crate shows evidence of damage, immediately inspect the entire unit and notify the freight company of any
damages to the equipment or accessories. It is the purchaser’s responsibility to negotiate freight damage claims
with carriers.
1. Carefully cut and remove plastic wrap and strapping.
2. Use appropriate tools to remove wooden crate framework from around the unit.
3. Remove items packed in the pan well, examine for damage and set aside.
4. Carefully remove the unit from the shipping skid. The GHM unit is extremely heavy, see Section 1-4.4, Unit Weights.
Use appropriate lifting equipment, or adequate manpower. Great care should be taken when lifting and moving the
unit to prevent personal injury or equipment damage. Giles shall not be liable for personal injury or damage caused
by improper handling, or use of poor work practices.
2-3. Countertop Installation
1. Four (4) Adjustable Legs are supplied with the unit ... two (2) Regular and two (2) Floor Plate.
2. Install and secure the Adjustable Legs at each corner. Each style Leg should be installed on the opposite diagonal
corners from one another.
3. Place unit onto a suitable counter-top, or other base.
4. Level unit by rotating the lower portion of the Legs to adjust the length as needed ... clockwise shortens leg,
counter-clockwise lengthens legs. Unit should be stable and level; side-to-side, front-to-back and corner-to-corner.
Regular Leg Floor Plate Leg
8
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