Installation Guide

Rinnai I-Series Condensing Boiler Combi Manual 81
DIP
Switch #
Funcon Descripon OFF (Default) ON
1 Outdoor
Temperature Sensor
Enables or Disables the
Outdoor Temperature
Sensor
Outdoor
Temperature
Sensor in Use
Outdoor
Temperature
Sensor Not in
Use
2 Thermostat Usage Changes the mode
between Thermostat
Usage and Central
Heang Buon
Thermostat Used Central Heang
ON buon used.
Boiler res based
on return water
temperature
3 DHW Recirculaon Enables the DHW
Recirculaon funcon for
Pump 2 connecon
DHW Recirculaon
OFF (Pump 2
connecon for
Zone Pump 2)
DHW
recirculaon ON
(Pump 2
connecon for
DHW Pump)
4 Simultaneous Central
Heang and
Domesc Hot Water
Enables simultaneous
operaon between
Central Heang and
Domesc Hot Water
Domesc Hot
Water Priority
Simultaneous
Central Heang
and
Domesc Hot
Water Permied
5 Gas Valve Solenoid Shuts down the
integrated solenoid gas
valve manually
Normal Operaon Fixed Closed
6 Altude Seng
Depends on Altude
Sets the appropriate
elevaon of the boiler
installaon
7 Altude Seng
8 Vent Type Selecon Selects the venng
material used. The boiler
is set from the factory to
be installed in a PVC
venng system. If CPVC,
PP, or other approved
venng is used, this
seng may be adjusted.
See secon “5.4 PVC
Venng Safety Switch” for
more informaon.
PVC Other