Rinnai HE Series How To Use Manual page 40

This configuration requires the use of the
IPEX or Royal Concentric Vent Termination
3" or 4" PVC/
CPVC IPEX
System 636 or
3" Royal
Concentric Side
Wall
Termination
Configuration
3" or 4" PVC/
CPVC Snorkel
Termination
Configuration
3" or 4" PVC/
CPVC Tee Side
Wall
Termination
Configuration
3" IPEX or Royal
or 4" IPEX PVC/
CPVC Low Pro-
file
Termination
Configuration
VENTING INSTALLATION SEQUENCE
1.Install the water heater.
2.Determine the termination method—sidewall or
vertical, concentric, or separate pipes, etc.
3.Determine proper location for wall or roof
penetration for each termination.
4.Install termination assembly as described in this
30
Table 8: Approved PVC/CPVC Vent Configurations
*
KBD Series Manual
This configuration requires the use of the
IPEX or Royal Concentric Vent Termination
3" or 4" PVC/
CPVC IPEX
System 636 or
3" Royal
Concentric
Vertical
Termination
Configuration
3" or 4" PVC/
CPVC Standard
upside down
"U" Vertical
Termination
Configuration
3" or 4" PVC/
CPVC Tee Verti-
cal
Termination
Configuration
WARNING
*
Exhaust and combustion air MUST NOT be brought
together into a single PVC pipe using a wye.
manual.
5.Install air and vent piping from water heater to
termination.
6.Slope horizontal exhaust run towards the water heater
1/4" per foot. DO NOT slope combustion air pipe
towards unit. Be sure to dispose of condensate per
local codes.
7.Install pipe supports and brackets every 4 feet allowing
for movement from expansion or as per local code
requirements.
*