Rinnai Demand Duo CHS199100CUiP Installation And Operation Manual page 29

2
Non-Direct Vent
Non-Direct Vent (Room Air) Installation Instructions
Remove and discard screw from combustion air
1
vent connection.
Remove and discard the combustion air
2
vent cap.
Install the combustion air vent pipe. Ensure it is properly seated.
3
Secure the combustion air vent pipe to the
combustion air vent connection with the
supplied screw.
Place the vent screen or room air screen inside
4
elbow and secure with the supplied screw. Use
the room air screen for environments where
room air is dusty.
Note:
•
2 in. vent screen supplied with water heater.
•
Room air screen is available as an accessory.
Glue elbow to the combustion air PVC vent pipe
per manufacturer's instructions.
Install the exhaust vent pipe. Ensure it is
5
properly seated.
Secure the exhaust vent pipe to the exhaust
adapter ring with the supplied screw.
Rinnai Commercial Hybrid System Installation and Operation Manual
(Room Air)
Supplied
screw
Elbow
Vent
Screen
Combustion Air Vent
Supplied
screw
Exhaust Vent Pipe
Supplied
screw
29