Giles GHU-24X30-D Service Manual
Operations & Service Manual
GILES HOLDING UNIT
GHU-24x30-S
GHU-24X30-PT
GHU-24X30-D
GHU-24X30-D-PT
GHU-24X67-S
GHU-24X67-PT
GHU-26.5X30-S
GHU-26.5X30-PT
GHU-26.5X30-D
GHU-26.5X30-D-PT
GHU-24X30-S
GHU
GHU-24X67-D-PT
GHU-24X30-D-PT
Giles Enterprises, Inc.
An ISO9001 Registered Company
2750 Gunter Park Drive West • Montgomery, AL 36109 USA
Phone: (334) 272-1457 Fax: • (334) 272-3561 • Internet: www.gilesent.com
Service Hotline (Toll Free): 1-800-554-4537 (USA & Canada Only)
Form No. 64571 (Release date:12/08)(RevA:01/06/09)
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 12 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 ninety (90) days 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.
• 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: GHUTable Of Contents
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Safety Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Specific Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1-1. Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1-2. Standard Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1-3. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1-3.1. Overall Dimensions for GHU-24X30-S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1-3.2. Overall Dimensions for GHU-24X30-PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1-3.3. Overall Dimensions for GHU-24X30-D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1-3.4. Overall Dimensions for GHU-24X30-D-PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1-3.5. Overall Dimensions for GHU-24X67-S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1-3.6. Overall Dimensions for GHU-24X67-PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1-3.7 Overall Dimensions for GHU-26.5X30-PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1-3.8 Overall Dimensions for GHU-26.5X30-S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1-3.9 Overall Dimensions for GHU-26.5X30-D-PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1-3.10 Overall Dimensions for GHU-26.5X30-D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1-3.11 Regulatory Listings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1-3.12 Unit Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2-01. Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2-02. Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2-03. Electrical Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2-04. Electrical Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3-01. Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3-02. Inner Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4-01. Standard Operating Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4-02. Recommended Holding Temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4-03. General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5. Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5-01. Cleaning the Inner Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6-1. Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
iii
Model: GHU Table Of Contents
7. Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7–1. Parts Ordering and Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7-2. Front and Upper Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7-3. Inner Cabinet Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8. Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
8-01. Wiring Diagram GHU 120/60/1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
8-02. Wiring Diagram GHU 230/50/1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
iv
Model: GHUSafety
Safety
Safety Overview
The instructions contained in this manual have been prepared to assist you in learning the proper procedures for installing and servicing your unit.
Throughout this manual, safety precautions are identified through the use of the safety alert symbol and
three signal words: DANGER, WARNING, and CAUTION. All safety alert information precedes the
step(s) to which they apply. 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 the manual:
Shall: understood to be mandatory.
Should: understood to be advisory.
May: understood to be permissive.
Will: indicates a future event/condition to occur.
!!
or
(Safety Alert Symbol)
Used in conjunction with signal words (DANGER, WARNING, or CAUTION) to alert you of potential per-
sonal injury hazards, immediately preceding precautionary measures that pertain to subsequent step(s).
Obey all safety messages that follow this symbol 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.
Use of this is limited to the most extreme situations.
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/property damage, and void the warranty.
NOTE:
•Identifies suggested, recommended, or other noteworthy information.
v
Model: GHU Safety
Specific Safety Precautions
For your safety, please observe the following precautions when operating or servicing your Giles Holding
Unit (GHU). Read the following important safety information to avoid personal injury and/or damage to the
equipment.
DANGER
!
• Always disconnect the source of the main power before removing the Cabinet Top.
• Always disconnect the source of the main power before removing the Element Guard.
• Failure to comply with these DANGER notices will result in death or serious injury, equipment/property
damage, and void the warranty.
WARNING
!
• DO NOT use or store gasoline or other flammable liquids or vapors in the vicinity of this or any other
appliance!
• Consult a qualified electrician to ensure all electrical specifications have been met and the unit is prop-
erly grounded.
• Before installing or servicing this equipment, read the contents of this manual thoroughly.
• Improper installation, adjustment, alteration, service or maintenance could result in death or serious
injury, equipment/property damage, and void the warranty.
• Failure to comply with these WARNING notices could result in death or serious injury and
equipment/property damage.
CAUTION
• The electronic components of the Control Panel are impact-sensitive. Exercise care around the Control
Panel to maintain proper operation.
• During cleaning of unit.
•• DO NOT steam clean.
•• DO NOT use products containing chlorine.
•• DO NOT use abrasive products, steel wool or scouring pads.
• Failure to comply with these CAUTION notices may result in equipment/property damage and void the
warranty.
vi
Model: GHUSafety
CAUTION
!
• Exercise care when lifting or moving the unit. See Section 1-3.3. for unit weights.
• Exercise care when removing the wooden shipping crate from around the unit.
NOTE:
• If the shipping crate is damaged, immediately inspect the unit and notify the carrier of any damage to
the unit.
• To aid the electrician an electrical wiring diagram is contained in this manual. Refer to the wiring dia-
gram during installation or servicing.
• Comply with all appropriate state and/or local heath regulations regarding the cleaning and sanitation of
equipment.
• For difficult areas, a mild biodegradable nontoxic degreaser (such as Clear Magic or Simple Green) may
be used.
• Please ensure this appliance is electrically grounded and installed in accordance with local codes, or in
the absence of local codes, with the National Electrical Code ANSI/NFPA No. 70-1984.
vii
Model: GHU Safety
Notes:
viii
Model: GHUIntroduction
1. Introduction
Congratulations on the purchase of your new Giles Holding Unit, Model GHU, manufactured by Giles
Enterprises, Inc., Montgomery, Alabama (USA), hereafter referred to as "Giles". The Holding Unit is a product of extensive research and testing, designed to hold prepared foods for prolonged periods of time
while maintaining that “just made” quality. Every unit is thoroughly inspected and tested prior to shipment. Proper care and maintenance will ensure years of trouble-free service.
Ideal for cafeterias, deli’s, convenience stores, supermarkets or any store that must conserve valuable
space. The materials used were selected for maximum durability, attractive appearance and optimum performance. The use of controlled heat maintains serving temperature and texture longer than conventional
holding equipment.
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. Please retain this manual for future reference.
1-1. Construction
The Holding Unit, Model GHU, is constructed of stainless steel, with stainless steel work surfaces. It has
five pair of stainless steel angle brackets that can be organized in many variations. The Holding Unit features individual thermostatic controlled heating environment, two heating elements, hot air circulating fan,
and four 4" casters.
1-2. Standard Features
Control Panel
• Controls are functional, easy to operate.
• Indicator light verifies the unit is operating and that the heating elements are operating. Thermometer
displays unit’s internal temperture.
Temperature Controls
• Adjustable control up to 250ºF (121ºC).
Front Doors
• Stainless steel construction, insulated with 1" thick ceramic insulation.
• Full size single door for full access.
1
Model: GHU Introduction
1-3. Specifications
1-3.1. Overall Dimensions for GHU-24X30-S
ELECTRICAL
SUPPLY CORD
1-3.2.Overall Dimensions for GHU-24X30-PT
ELECTRICAL
SUPPLY CORD
2
1-3.3.Overall Dimensions for GHU-24X30-D
ELECTRICAL
SUPPLY CORD
ELECTRICAL
SUPPLY CORD
Model: GHUIntroduction
1-3.4.Overall Dimensions for GHU-24X30-D-PT
ELECTRICAL
SUPPLY CORD
ELECTRICAL
SUPPLY CORD
3
Model: GHU Introduction
FRONT VIEW
BACK VIEW
67 1/4
1707.39
67 1/4
1707.39
24 1/16
611.91
24 1/16
611.91
RIGHT VIEW
31 11/16
804.55
67 1/4
1707.39
30 1/16
764.18
23 15/16
608.06
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
23 15/16
608.06
0 TO COMBUSTIBLES
FRONT VIEW
RIGHT VIEW
BACK VIEW
23 15/16
608.06
24 1/16
611.91
67 1/4
1707.39
67 1/4
1707.39
67 1/4
1707.39
33 13/16
858.24
30 5/8
777.52
24 1/16
611.91
23 15/16
608.06
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
1-3.5.Overall Dimensions for GHU-24X67-S
1-3.6.Overall Dimensions for GHU-24X67-PT
4
1-3.7. Overall Dimensions for GHU-26.5X30-PT
FRONT VIEW
RIGHT VIEW
BACK VIEW
35 1/4
894.59
35 1/4
894.59
35 1/4
894.59
26 5/8
676.33
26 5/8
676.33
30 11/16
780.11
34 1/8
867.18
26 3/4
680.24
26 3/4
680.24
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
ELECTRICAL
POWER
CORD
FRONT VIEW
RIGHT VIEW
BACK VIEW
26 3/4
680.24
26 5/8
676.33
35 1/4
894.59
30 1/8
765.05
31 13/16
808.58
35 1/4
894.59
26 5/8
676.33
35 1/4
894.59
26 3/4
680.24
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
ELECTRICAL
POWER
CORD
0 TO COMBUSTIBLES
0 TO COMBUSTIBLES
Model: GHUIntroduction
1-3.8.Overall Dimensions for GHU-26.5X30-S
5
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