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The temperature of the water in the heater can be reg-
ulated by using the Raypak Modulating Temperature
Control. To comply with safety regulations, the control
is set at 120°F when shipped from the factory (Mode 3
default setting for Tank Target).
To adjust the water temperature, follow the instruction
for the operation of the control starting on page 31 of
this manual. The control is shown below for identifica-
tion purposes only. (See Fig. 4.)
Fig. 4: Modulating Temperature Control
CAUTION: Hotter water increases the risk of
scalding! There is a hot water scald potential if the
thermostat is set too high.
INSTALLATION
INSTALLATION
Installation Codes
Installations must follow these codes:
•
Local, state, provincial, and national codes, laws,
regulations and ordinances
•
National Fuel Gas Code, ANSI Z223.1/NFPA 54 –
latest edition (NFGC)
•
National Electrical Code, ANSI/NFPA 70 - latest
edition (NEC)
•
Standard for Controls and Safety Devices for
Automatically Fired Boilers, ANSI/ASME CSD-1,
(CSD-1) when required
•
For Canada only: CAN/CSA B149 Natural Gas
and Propane Installation Code and CSA C22.1
C.E.C. Part 1 (C22.1)
California Hot Water Supply, Inc.
Equipment Base
The heater should be mounted on a level, structurally
sound surface. The heater is approved for installation
on a combustible surface but must NEVER be
installed on carpeting. Gas-fueled equipment installed
in enclosed parking garages must be located at least
18 in. above the floor.
CAUTION: This heater should be located in an
area where water leakage will not result in damage
to the area adjacent to the appliances or to the
structure. When such locations cannot be avoided, it
is recommended that a suitable catch pan,
adequately drained, be installed under the
appliance. The pan must not restrict air flow.
In addition, the heater shall be installed such that the
gas ignition system components are protected from
water (dripping, spraying, rain, etc.) during appliance
operation or service (circulator replacement, control
replacement, etc.).
If the heater needs to be secured to the ground, use
the brackets that were used to bolt the heater to the
shipping pallet.
Clearances
Indoor Installations
Minimum Clearance
Heater
from Combustible
Side
Surfaces
Floor*
Rear
Right Side
Left Side
Top
Front
Open
Vent
*DO NOT install on carpeting.
Table C: Clearances – Indoor Installations
For ease of servicing, provide a minimum clearance of
at least 24 in. on the right side, 24 in. in front, at least
36 in. on the rear and 10 in. above the top of the
heater. This will allow the heater to be serviced in its
installed location without movement or removal of the
heater.
8
(800) 249-7244
Minimum
Service
Clearance
0"
0"
12"
36"
1"
24"
1"
1"
0"
10"
24"
1"
1"
8
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