9
b.
wool batts
Back
Right
Left
Vent
Indoor Top
Outdoor Top
c.
or mineral wool batts
reinforced with wire on
rear face with ventilated
air space
Back
Right
Left
Vent
Indoor Top
Outdoor Top
d.
masonry wall with
ventilated air space
Back
Right
Left
Vent
Indoor Top
Outdoor Top
e.
ventilated air space
Back
Right
Left
Vent
Indoor Top
Outdoor Top
f.
insulation board with
ventilated air space
Back
Right
Left
Vent
Indoor Top
Outdoor Top
g.
ventilated air space over
ventilated air space.
Back
Right
Left
Vent
Indoor Top
Outdoor Top
h.
or mineral wool batts
sandwiched between two
with ventilated air space
Back
Right
Left
Vent
Indoor Top
Outdoor Top
Table D. Reduction of Clearances to Protected Surfaces
Heaters must not be installed under an overhang of less
requirements. Three sides must be open in the area under
the overhang. Roof water drainage must be diverted away
from the heaters installed under overhangs with the use
of gutters
For U.S. installations
any door, window or gravity inlet into any building. The vent
m) horizontally.
For installations in Canada, pool heaters shall not be
below, or to either side, of any opening into the building.
For installations in Florida and Texas that must comply
with the Florida or Texas Building Code, follow the
4’ (1.22 m)
Minimum
4’ (1.22 m)
Minimum
3’ (0.91 m)
Minimum
10’ (3.05 m)
Minimum
1’ (0.3 m)
Minimum
4’ (1.22 m)
Minimum
Figure 4. Clearances
Outdoor Heater Installation
installation, when equipped with the approved vent
terminals designated for outdoor use. The heaters are
only. Freezing conditions may cause condensate to freeze
in the condensate drain line and trap causing the unit to
shut down from a blocked condensate drain. Additionally,
components of the condensate management system may
climates for seasonal use must be winterized to avoid
A
WARNING: The heater shall not be located in an
area where water sprinklers, or other devices, may cause
water to spray through the cabinet louvers and into the
heater. This could cause internal rusting or damage
electrical components; such damage is not covered
under warranty.
A
WARNING: Do not install within 3' (0.91 m) of a heat
pump or an outdoor condensing unit. Strong air intake
from this type of equipment can disturb the combustion
process and cause damage or personal injury.
Indoor Heater Installation
The heater must always be vented to the outside. See
Minimum allowable space is shown on the nameplate.
Also see Figure 3 and Table B.
APPROVED
UNCONTROLLED DOCUMENT IF PRINTED
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