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17
Appendix C
BALANCING DAMPERS POSITION
Balancing
Damper
VJ0135A
Canvas Vibration Isolator
Reverse Door Option
Exhaust Air
From Building
Fresh Air
From Outdoors
Min. 8" (203 mm)
(Optional) Canvas Vibration Isolator
Gravity Backdraft Damper
(for recirculation
defrost option only)
Min.12" (305 mm)
Exhaust Air
to Outdoors
Fresh Air
to Building
Appendix D
DRAIN CONNECTIONS
Min. 3”
[76 mm]
Min. 1”
[25 mm]
3/4” NPT
coupler
Water trap
Min. 4”
[102 mm]
Min. 4”
[102 mm]
Plastic hose
To drain
NOTES:
1. All hose, pipe and couplers to be supplied by others.
2. Slope drain lines minimum 1/4” per foot.
Min. 1”
[25 mm]
Min. 3”
[76 mm]
Plastic drain fitting
To drain
Copper or
plastic pipe
VO0002A
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