Caution, Stack type indoor draft hood kit, Installation (contd.) – Pentair Pool and SPA Heater PowerMax User Manual
Page 19
Rev. G 1-22-04
P/N 471048
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Table 10.
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SHEET METAL
BLOCKS
(LAID WITH ENDS UNSEALED AND JOINTS MATCHED
HOLLOW MASONARY BLOCKS, NOT LESS THAN 4" THICK
HIG
H P
ER
FO
RM
AN
CE
HE
AT
ER
24 GA. (MIN.) GALVANIZED SHEET METAL.
FOR AIR CIRCULATION). COVER BLOCKS WITH
6" Min.
6" Min.
TM
BASE FOR USE ON
COMBUSTIBLE FLOORS
H
O
T
PO
WE
R
PO
OL
TE
MP
ER
AT
UR
E
SP
A/A
UX
ILIA
RY
TE
MP
ER
AT
UR
E
PO
OL
SP
A
HO
T
CO
LD
PO
WE
R
PR
ES
SU
RE
HO
T
OF
F
CO
LD
HE
AT
HI-
LIM
IT
Figure 23.
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Table 12.
CAUTION
Chemicals should not be stored near the heater
installation. Combustion air can be contaminated by
corrosive chemical fumes which can void the warranty.
NOTE
The heater requires two uninterrupted air supply
openings; one for ventilation and one to supply
oxygen for proper gas combustion. The air supply
openings should be sized according to Tables 10.
and 11.
Air supply requirements below apply to all
MiniMax heaters, including PowerMax versions.
INSTALLATION ON FLOORS CONSTRUCTED
OF COMBUSTIBLE MATERIALS
The heater may be placed on a “combustible floor”
using either of the two methods listed below:
a) Use Listed Factory Non-combustible Base Kit
for use on combustible floors.
b) Construct a non-combustible base from masonry
blocks as illustrated, see Figure 23.
STACK TYPE INDOOR DRAFT HOOD KIT
The proper draft hood and adapter must be installed on
the heater as shown below and on page 20:
Installation (contd.)