27
Rinnai CVent
Installation Instructions
Exhaust Vent Installation Procedures:
•
After ensuring the water heaters are mounted securely and
spaced 20.5” apart, install the appliance adapter on top of
the water heaters.
•
Exhaust Venting is designed for a 3° rise. When the water
heaters are mounted at 20.5” spacing, the height increase is
1” per water heater. A 4” diameter extension pipe is
included with the kit that must be cut to length to account
for the rise from unit to unit. After cutting, always deburr and
bevel the end of the vent piece so the sealing gaskets are not
damaged and operation of the vent system is not
compromised.
•
Install the elbows with hand cleanout cap to the 4” diameter
extension pipe. Do not cut or modify the elbow. Cleanout cap
should remain accessible for periodic inspection and access
for service when needed.
•
After combustion air and exhaust vent components are
appropriately positioned, securely fasten the “CVent
Appliance Adapter with Check Valve and Trap” to the top of
the water heater with a self tapping screw.
•
Connect the combustion air opening of the appliance adapter
to one end of the flex connector and the other end of the flex
connector to the Combustion Air Collector.
•
Connect the open end of the elbow to the exhaust header.
Elbow
hand cleanout cap
4” Extension
Combustion Air Collector
Flex Connector
Elbow
Exhaust Collector
Securing Screw
Appliance
Adapter
The same procedure may be used when
substituting the room air adapter with the
only exception being no flex connector or
combustion air collector to connect when
installing a C199I in a commercial common
vent applications.
Summary of Contents for c199i
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