• © 2009 Rinnai America Corporation
26
System Parameters (continued)
PARA
Description
Range / Explanation
Factory
Setting
User
Access
4
Summer
setback
temperature
OFF
No summer setback
68
°F
Yes
System frost
setting (Para
5) to 86
°F
When the outdoor sensor detects the
selected temperature, the heating side of
the boiler will not operate
5
System frost
protect
OFF
No function
37
°F
No
-4
°F to
Summer
setback
(Para 4)
When the outdoor sensor detects the
selected temperature, pump circulation
will begin. This overrides parameter 23 in
the boiler.
9
Climate
Zone
-4
°F to 68°F
Outdoor design temperature-this is
determined by the geography of the
installation. This overrides parameter 7
inside the boiler. It is not needed when the
RS100 is in RC mode.
10
°F
No
10
Building
construction
1
Light Construction
1
No
2
Medium Construction
3
Heavy (Tight) Construction
NOTE: Light Construction = default at shipment, medium = default at system reset; This parameter does not
have an effect if in RC mode