Equipment Base
The boiler should be mounted on a level, structurally
sound surface. The boiler is approved for and can be
installed 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 inches above the floor.
In addition, the boiler shall be installed such that the
gas ignition system components are protected from
water (dripping, spraying, rain, etc.) during appliance
operation and service (circulator replacement, control
replacement, etc.).
Clearances
Indoor Installations
8
Table B: Clearances – Indoor Installations
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 Installation
Code and CSA C22.1 C.E.C. Part 1 (C22.1)
The temperature of the water in the hot water boiler
can be regulated by setting the temperature dial on
front of the thermostat. To comply with safety regula-
tions the thermostat was set at its lowest setting before
the hot water boiler was shipped from the factory. The
illustration below shows the thermostat and how to
adjust the water temperature.
To adjust the water temperature, insert a small straight
screwdriver into slotted screw in hole in front of ther-
mostat and turn wheel to desired setting.
CAUTION:
Hotter water increases the risk of
scalding! There is a hot water scald potential if the
thermostat is set too high.
Adjustment
Screw
Auto Limit
*DO NOT install on carpeting.
CAUTION:
The boiler should be located in an area
where water leakage will not result in damage to the
area adjacent to the appliance 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.
Heater Side
Min. Clearance from
Combustible Surfaces
Floor
*
Rear
12” (water side)
Right
1”
Left
1”
Top
0”
Vent
1”
Summary of Contents for 751
Page 2: ...2...
Page 6: ...6 Component Locations Fig 1 Component Locations...
Page 15: ...15 Fig 6 Dual Boiler Piping Fig 7 Dual Boiler Piping with CHX...
Page 20: ...20 Fig 13 Single Boiler Pool Application Fig 14 Single Boiler Pool Application with CHX...
