Hatco GLO-RAY GRSS-2418 Installation instructions

GLO-RAY®
Heated Stone Shelves
GRSS & GRSSB Series
Installation &
Operating Manual
I&W #07.05.166.00
This manual contains important safety information
concerning the maintenance, use and operation of this
product. Failure to follow the instructions contained in this
manual may result in serious injury. If you’re unable to
understand the contents of this manual, please bring it to
the attention of your supervisor. Do not operate this
equipment unless you have read and understood the
contents of this manual.
Este manual contiene importante información sobre
seguridad concerniente al mantenimiento, uso y
operación de este producto. Cualquier falla en el
seguimiento de las instrucciones contenidas en este
manual puede resultar en un serio daño. Si usted no
puede entender el contenido de este manual por
favor pregunte a su supervisor. No opere este
equipo al menos que haya leído y comprendido el
contenido de este manual.

Form No. GRSSM-0106 i
CONTENTS
INTRODUCTION
The Hatco Glo-Ray Heated Stone Shelf is designed
to safely hold food hot while blending into your
décor.
The Glo-Ray Heated Stone Shelf safely keeps all
food at proper serving temperatures without
affecting quality. This warmer features a thermo-
statically controlled heated base that extends the
food holding times.
This manual provides the installation, safety and
operating instructions for the Glo-Ray Heated Stone
Shelf. We recommend all installation, operating and
safety instructions appearing in this manual be read
prior to installation or operation of your Glo-Ray
Heated Stone Shelf.
Safety instructions that appear in this manual after a
warning symbol and the words WARNING or
CAUTION printed in bold face are very important.
WARNING means there is the possibility of
serious personal injury or death to yourself or
others. CAUTION means there is the possibility
of minor or moderate injury. CAUTION without the
symbol signifies the possibility of equipment or
property damage only.
Glo-Ray Heated Stone Shelves are a product of
extensive research and field testing. The materials
used were selected for maximum durability,
attractive appearance and optimum performance.
Every unit is thoroughly inspected and tested prior
to shipment.
Important Owner Information...............................i
Introduction ...........................................................i
Important Safety Information..............................1
Model Descriptions..............................................2
All Models........................................................2
GRSS Models .................................................2
GRSSB Models ...............................................2
Specifications.......................................................3
Plug Configurations.........................................3
Dimensions - GRSS Models ...........................3
Dimensions - GRSSB Models.........................3
Electrical Rating Chart - GRSS Models ..........4
Electrical Rating Chart - GRSSB Models........4
Installation ............................................................5
GRSS Models .................................................5
GRSSB Models ...............................................5
Operation ..............................................................8
Maintenance .........................................................9
General............................................................9
Cleaning ..........................................................9
Cleaning for Swanstone Solid Surface ...........9
Troubleshooting .................................................10
Hatco Limited Warranty .....................................11
Authorized Parts Distributors ............Back Cover
IMPORTANT OWNER INFORMATION
Record the model number, serial number, voltage
and purchase date of your Glo-Ray®Heated Stone
Shelf in the spaces below. Please have this
information available when contacting Hatco for
service assistance.
Model No. ________________________________
Serial No. ________________________________
Voltage __________________________________
Date of Purchase __________________________
Business 8:00 a.m. to 5:00 p.m.
Hours: Central Standard Time
(Summer Hours: June to September –
8:00 a.m. to 5:00 p.m. C.D.T.
Monday through Thursday
8:00 a.m. to 2:30 p.m. C.D.T. Friday)
Telephone: [phone]
Fax: [phone] (Parts & Service)
[phone] (International)
Additional information can be found by visiting our
web site at www.hatcocorp.com
24-Hour 7-Day Parts & Service
Assistance available in the
United States and Canada by
calling [phone].

Form No. GRSSM-0106
1
IMPORTANT SAFETY INFORMATION
WARNINGS
To avoid any injury or damage to the unit turn
the power switch OFF, unplug the unit and
allow to cool before performing any
maintenance or cleaning.
The Glo-Ray Heated Stone Shelf is not
waterproof. To avoid any injury or damage to
the unit DO NOT submerge or saturate with
water. Do not operate if it has been
submerged or saturated with water.
Plug unit into a properly grounded electrical
outlet of the correct voltage, size and plug
configuration. If the plug and receptacle do
not match, contact a qualified electrician to
determine the proper voltage and size and
install the proper outlet.
To avoid any injury or damage to the unit do
not pull unit by power cord.
To prevent any injury, discontinue use if
power cord is frayed or worn.
Do not lay unit on the side with the control
panel or damage to the unit could occur.
For safe and proper operation, the unit must
be located a reasonable distance from
combustible walls and materials. If safe
distances are not maintained, discoloration
or combustion could occur.
To avoid any injury or damage, the Heated
Stone Shelf must only be serviced by
qualified personnel.
If service is required on this unit, contact
your Authorized Hatco Service Agent, or
contact the Hatco Service Department at
800-558-0607 or 414-671-6350; fax 800-690-
2966 or International fax [phone].
This product has no “user” serviceable parts.
To avoid damage to the unit or injury to
personnel, use only Authorized Hatco
Service Agents and Genuine Hatco
Replacement Parts when service is required.
Genuine Hatco Replacement Parts are
specified to operate safely in the
environments in which they are used. Some
aftermarket or generic replacement parts do
not have the characteristics that will allow
them to operate safely in Hatco equipment. It
is essential to use Hatco Replacement Parts
when repairing Hatco equipment. Failure to
use Hatco Replacement Parts may subject
operators of the equipment to hazardous
electrical voltage, resulting in electrical
shock or burn.
CAUTIONS
Unit is not weatherproof. For safe and proper
operation locate the unit indoors where the
ambient air temperature is a minimum of 70°F
(21°C).
To avoid any injury or damage locate the unit
at the proper counter height, in an area that is
convenient for use. The location should be
level to prevent the shelf or its contents from
accidentally falling, and strong enough to
support the weight of the unit and food.
Some exterior surfaces on the unit will get
hot. Use caution when touching these areas
to avoid injury.
To avoid any injury or damage do not operate
the GRSSB (Built-In Models) without the trim
mounting ring and the control box properly
mounted per the installation instructions.
CAUTIONS
Damage to non-metallic countertop material
caused by heat generated from Hatco
equipment is not covered under the Hatco
warranty. Recommended for use in metallic
counters. For other surfaces, verify that the
material is suitable for temperature up to
200°F (93°C).
IMPORTANT! Read the following important safety instructions to avoid personal injury or
death, and to avoid damage to the equipment or property.

Form No. GRSSM-0106 2
MODEL DESCRIPTIONS
ALL MODELS
All Hatco Heated Stone Shelves are ideal for pass
through areas, buffet lines and as hors d’ oeuvre
displays. The unique Heated Stone Shelf is
constructed of Swanstone®, available in several
stock colors including Sawgrass, Gray Granite,
Night Sky, and Bermuda Sand. Standard equipment
includes an illuminated On/Off rocker switch, a
thermostatically controlled heated stone top and
painted steel base. The Heated Stone Shelves have
a temperature range of 100° to 200°F (38° to 93°C)
GRSS MODELS
The GRSS Heated Stone Shelf is a portable shelf
with an attached 6' (1829 mm) cord and plug. The
portable unit is available in three sizes: 24"w x 18"d
(610 x 457 mm), 30"w x 18"d (762 x 457 mm) and
36"w x 18"d (914 x 457 mm).
GRSSB MODELS
The GRSSB Heated Stone Shelf is a built-in unit
that is equipped with a trim mounting ring. The unit
includes a remote control box that is attached with 3'
(914 mm) of conduit. A 6' (1829 mm) cord with plug
connects the remote control box to the power
source.
The built-in models are available in three sizes:
25-5/8"w x 19-5/8"d (651 x 498 mm), 31-5/8"w x 19-
5/8"d (803 x 498 mm) and 37-5/8"w x 19-5/8"d
(956 x 498 mm). (Dimensions include trim mounting
ring.)
CAUTION
To avoid any injury or damage do not operate
the GRSSB (Built-In Models) without the trim
mounting ring and the control box properly
mounted per the installation instructions.
Figure 1. Glo-Ray Model GRSS
Figure 2. Glo-Ray Model GRSSB

Form No. GRSSM-0106
3
SPECIFICATIONS
Figure 3. Plug Configurations
DIMENSIONS - GRSS MODELS
PLUG CONFIGURATIONS
Units are supplied from the factory with an electrical
cord and plug installed. Plugs are supplied
according to the applications as shown in Figure 3.
WARNING
Plug unit into a properly grounded electrical
outlet of the correct voltage, size and plug
configuration. If the plug and receptacle do not
match, contact a qualified electrician to
determine the proper voltage and size and install
the proper electrical outlet.
NEMA 5-15P CEE 7/7 Schuko
BS-1363
Width Depth Height
Model (A) (B) (C)
GRSS-2418 24" 18" 2-1/2"
(610 mm) (457 mm) (64 mm)
GRSS-3018 30" 18" 2-1/2"
(762 mm) (457 mm) (64 mm)
GRSS-3618 36" 18" 2-1/2"
(914 mm) (457 mm) (64 mm)
Figure 4. Dimensions – GRSS Model
DIMENSIONS - GRSSB MODELS
Width Depth Height
Model (A) (B) (C)
GRSSB-2418 25-5/8" 19-5/8" 2-1/4"
(651 mm) (498 mm) (57 mm)
GRSSB-3018 31-5/8" 19-5/8" 2-1/4"
(803 mm) (498 mm) (57 mm)
GRSSB-3618 37-5/8" 19-5/8" 2-1/4"
(956 mm) (498 mm) (57 mm)
Width Depth Height
(D) (E) (F)
Remote Box 7" 3" 3-1/4"
(178 mm) (76 mm) (83 mm)
Figure 5. Dimensions – GRSSB Model
A
D
E
F
A
B
B
C
C

Form No. GRSSM-0106 4
SPECIFICATIONS
ELECTRICAL RATING CHART - GRSS MODELS
ELECTRICAL RATING CHART - GRSSB MODELS
Model Voltage Watts Amps Plug Configurations Shipping Weights
GRSS-2418 120 635 5.3 NEMA 5-15P 22 lbs. (10 kg)
220-230 (CE) 534-583 2.4-2.5 CEE 7/7 Schuko 22 lbs. (10 kg)
230-240 (CE) 583-635 2.5-2.6 BS-1363 22 lbs. (10 kg)
GRSS-3018 120 780 6.5 NEMA 5-15P 27 lbs. (12 kg)
220-230 (CE) 655-716 3.0-3.1 CEE 7/7 Schuko 27 lbs. (12 kg)
230-240 (CE) 716-780 3.1-3.3 BS-1363 27 lbs. (12 kg)
GRSS-3618 120 930 7.8 NEMA 5-15P 32 lbs. (15 kg)
220-230 (CE) 782-854 3.6-3.7 CEE 7/7 Schuko 32 lbs. (15 kg)
230-240 (CE) 854-930 3.7-3.9 BS-1363 32 lbs. (15 kg)
Model Voltage Watts Amps Plug Configurations Shipping Weights
GRSSB-2418 120 635 5.3 NEMA 5-15P 27 lbs. (12 kg)
220-230 (CE) 534-583 2.4-2.5 CEE 7/7 Schuko 27 lbs. (12 kg)
230-240 (CE) 583-635 2.5-2.6 BS-1363 27 lbs. (12 kg)
GRSSB-3018 120 780 6.5 NEMA 5-15P 32 lbs. (15 kg)
220-230 (CE) 655-716 3.0-3.1 CEE 7/7 Schuko 32 lbs. (15 kg)
230-240 (CE) 716-780 3.1-3.3 BS-1363 32 lbs. (15 kg)
GRSSB-3618 120 930 7.8 NEMA 5-15P 37 lbs. (17 kg)
220-230 (CE) 782-854 3.6-3.7 CEE 7/7 Schuko 37 lbs. (17 kg)
230-240 (CE) 854-930 3.7-3.9 BS-1363 37 lbs. (17 kg)
The electrical information in the shaded areas pertains to Export models only.
NOTE: Shipping weight includes packaging.

GRSSB MODELS
CAUTION
To avoid any injury or damage do not operate
the GRSSB (Built-In Models) without the trim
mounting ring and the control box properly
mounted per the installation instructions.
CAUTION
Damage to non-metallic countertop material
caused by heat generated from Hatco
equipment is not covered under the Hatco
warranty. Recommended for use in metallic
counters. For other surfaces, verify that the
material is suitable for temperature up to 200°F
(93°C).
1. Remove unit from box.
2. Remove information packet. To prevent delay
in obtaining warranty coverage, fill out and
mail in the warranty card to Hatco.
3. Remove tape and protective packaging from all
surfaces of unit.
4. Prepare countertop opening. (See Figure 6 for
recommended countertop cutout dimensions.)
5. Apply a bead of NSF (National Sanitation
Foundation) approved sealant on the top edge of
the countertop cutout and the underside of the
trim mounting ring. See Figure 6.
6. Place the trim mounting ring into the countertop
opening.
7. Remove any excess sealant.
8. Place the GRSSB unit into the opening making
sure the unit is setting inside the trim mounting
ring.
Form No. GRSSM-0106
5
INSTALLATION
WARNING
For safe and proper operation, the unit must be
located a reasonable distance from combustible
walls and materials. If safe distances are not
maintained, discoloration or combustion could
occur.
CAUTION
To avoid any injury or damage locate the unit at
the proper counter height, in an area that is
convenient for use. The location should be level
to prevent the shelf or its contents from
accidentally falling, and strong enough to
support the weight of the unit and food.
WARNING
Do not lay unit on the side with the control panel
or damage to the unit could occur.
WARNING
To avoid any injury or damage to the unit do not
pull unit by power cord.
WARNING
To prevent any injury, discontinue use if power
cord is frayed or worn.
GRSS MODELS
1. Remove unit from box.
2. Remove information packet. To prevent delay
in obtaining warranty coverage, fill out and
mail in the warranty card to Hatco.
3. Remove tape and protective packaging from all
surfaces of unit.

Form No. GRSSM-0106 6
INSTALLATION
COUNTERTOP CUTOUT
MODEL MINIMUM WIDTH MAXIMUM WIDTH MINIMUM DEPTH MAXIMUM DEPTH
GRSSB-2418 24-1/2" (622 mm) 24-3/4" (629 mm) 18-1/2" (470 mm) 18-3/4" (476 mm)
GRSSB-3018 30-1/2" (775 mm) 30-3/4" (781 mm) 18-1/2" (470 mm) 18-3/4" (476 mm)
GRSSB-3618 36-1/2" (927 mm) 36-3/4" (933 mm) 18-1/2" (470 mm) 18-3/4" (476 mm)
Countertop
Trim Mounting Ring
Trim Mounting Ring
Countertop
Figure 6. GRSSB Countertop Installation
Apply a bead of NSF approved
sealant between the countertop
material and trim mounting ring.

Form No. GRSSM-0106
7
INSTALLATION
9. Locate the remote control box assembly in an
area that is convenient for operation. If
necessary, remove the end brackets from the
control box, rotate and reposition them. The
control box will require a hole mounting pattern of
7-5/8" x 1-1/4" (194 mm x 32 mm). See Figure 7
for mounting distances.
NOTE: Remote control box should be mounted with
1/4" (6 mm) minimum diameter screw head utilizing
the keyholes located on the mounting brackets.
Remote control box is to be readily removable not
permanently mounted.
10.Once all components are secured, proceed to
OPERATION section.
NOTE: A 6' (1829 mm) cord is supplied with this
appliance; any excess cord should be neatly routed
so it does not hang down.
Panel
Recessed
Surface
TOP VIEW
Use this arc to
determine approximate
mounting distances for
semi-remote controls
Under counter
Figure 7. Maximum Remote Mounting Distance for GRSSB Series Control Box

Form No. GRSSM-0106 8
OPERATION
WARNING
Plug unit into a properly grounded electrical
outlet of the correct voltage, size and plug
configuration. If the plug and receptacle do not
match, contact a qualified electrician to
determine the proper voltage and size and
install the proper electrical outlet.
CAUTION
Some exterior surfaces on the unit will get hot.
Use caution when touching these areas to avoid
injury.
CAUTION
Unit is not weatherproof. For safe and proper
operation locate the unit indoors where the
ambient air temperature is a minimum of 70°F
(21°C).
Figure 8. Control Panel
Power On/Off Switch
Shelf Thermostat
1. Plug warmer into a properly grounded electrical
outlet of the correct voltage, size and plug
configuration. See SPECIFICATIONS for details.
2. Place the Power Switch in the ON position.
See Figure 8.
3. Turn the thermostat to the desired temperature
setting.
4. Allow unit 30 minutes to reach operating
temperature.