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2
Venting
Vent system options:
This option uses a vertical rooftop flue termination
A
with air supplied from the equipment room - see
page 16.
CONVENTIONAL NEGATIVE
DRAFT VENTING
This option uses a vertical conventional vent for
B
flue products with air supplied by a pipe from the
sidewall or rooftop - see page 19.
VERTICAL DIRECTAIRE VENT-
ING
This option uses a powered vent assembly to
C
exhaust the flue products out a sidewall vent
termination with air supplied from the equipment
room - see page 22.
SIDEWALL VENTING
NOTE: CAT I B-VENT MATERIALS MAY BE USED WHEN THE
POWERED VENT IS CONNECTED DIRECTLY TO THE OUTSIDE
VENT CAP. IF THE POWERED VENT IS NOT CONNECTED
DIRECTLY TO THE OUTSIDE VENT CAP, THEN CAT IV - AL29-4C
VENT MATERIALS MUST BE USED FROM THE POWERED VENT
TO THE OUTSIDE VENT CAP.
14
(Note: Installations shown below are representative, actual installations may vary from those shown.)
HORIZONTAL DIRECTAIRE
VENTING
OUTDOOR VENTING
Installation & Operation Manual
This option uses a powered vent assembly to
D
exhaust the flue products out a sidewall with air
supplied by a pipe from the sidewall - see page 25.
NOTE: CAT I B-VENT MATERIALS MAY BE USED WHEN THE
POWERED VENT IS CONNECTED DIRECTLY TO THE OUTSIDE
VENT CAP. IF THE POWERED VENT IS NOT CONNECTED
DIRECTLY TO THE OUTSIDE VENT CAP, THEN CAT IV - AL29-4C
VENT MATERIALS MUST BE USED FROM THE POWERED VENT
TO THE OUTSIDE VENT CAP.
3'
MIN
12"
MIN
This option uses a sealed AL29-4C flue and a
E
separate combustion air pipe to the outdoors.
This system terminates both the flue and
combustion air inlet in the same pressure zone
- see page 26.
3' 3'
MIN
1 1 2"
MIN
This option uses the installation of a special air
F
inlet cap on rear of the unit and vent pipe and
cap - see page 33.
DIR #2000597298 00
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