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Commercial Pool Heaters
INSTALLATION
This pool heater meets the safe lighting performance criteria
with the gas manifold and control assembly provided, as
specified in the ANSI Z21.10.3/CSA 4.3 standard for gas-fired
water heaters.
LOCATING POOL HEATER
1. Maintain all clearances from combustible construction
when locating pool heater. See Clearances from
Combustible Construction, this page.
2. Locate the pool heater so that if water connections should
leak, water damage will not occur. When such locations
cannot be avoided, install a suitable drain pan that is well-
drained under the pool heater. The pan must not restrict
combustion air flow. The pool heater manufacturer is not
responsible for water damage in connection with this pool
heater, or any of its components.
3. Install the indoor pool heaters so that the ignition system
components are protected from any water while operating
or during service.
4. You must install the pool heater on a level, non-
combustible floor.
5. Do not install pool heater directly on carpet or other
combustible material. A concrete-over-wood floor is not
considered non-combustible. Maintain required clearances
from combustible surfaces.
If installing the pool heater in an area with a combustible
floor, you must construct a special combustible floor base.
See Base for Combustible Floors, this page.
6. For outdoor models, you must install an optional vent cap.
Instructions for mounting the vent cap are included in the
venting section. Do not install outdoor models directly on
the ground. You must install the outdoor pool heater on a
concrete, brick, block, or other non-combustible pad.
Outdoor models have additional special location and
clearance requirements. See Outdoor Installation Venting,
page 25. A wind proof cabinet protects the pool heater
from weather.
Clearances from Combustible
Construction
Maintain minimum specified clearances for adequate
operation. Allow sufficient space for servicing pipe
connections, pump and other auxiliary equipment, as well as
the pool heater. See rating plate for specific service clearance
requirements.
Right Side
3" (7.5 cm)
3" (7.5 cm) (3" min. from any surface)
Rear
Left Side
6" (15cm) (24" (0.61m) suggested for service)
Front
Alcove* (30" (0.76m) suggested for service)
3" (7.5cm)
Top
Flue
1" (25.4mm)
Hot Water Pipes 1" (25.4mm)
*An Alcove is a closet without a door.
Note: No additional clearance is needed on the right side of
the pool heater for the observation port. An observation port is
located on both the right and left side of the pool heater.
Note: No additional clearances from combustibles are needed
for use of the Direct Vent (DV) air inlet assembly.
Figure 2 – Clearances from Combustible Construction
Base for Combustible Floors
There are no manufactured combustible floor base kits
available for 990,000 - 2,070,000 Btu models. See Table-A for
floor base kits that are available.
If a manufactured combustible floor base kit is not used, you
must construct a base for combustible floor installation. Install
the pool heater over a base of hollow clay tiles or concrete
blocks from 8" to 12" thick, extending at least 24" beyond the
pool heater sides. Place tiles or blocks so that the holes line up
horizontally to provide a clear passage through the tiles or
blocks. Place a 1/2" fireproof millboard over the top of the tile
or block base. Place a 20-gauge sheet metal cover over the
fireproof millboard. Center the pool heater on the base. Also
follow this procedure if electrical conduit runs through the
floor beneath the pool heater. This base must meet all local fire
and safety codes.
6
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