• © 2009 Rinnai America Corporation
24
Hydraulic Parameters
• Hydraulic parameters should very rarely be adjusted
• Hydraulic parameters are only available with the installer code (1234)
PARA
Description
Range / Explanation
Factory
Setting
2
DHW assignment
OFF
Disables DHW recognition (Any DHW
features, info, etc will not display). It is not
a requirement to set this to OFF if there is
not DHW
1
1
Enables DHW recognition
5
Unmixed (heating)
circuit assignment
OFF
Disables central heating circuit (never set
this to OFF)
2
2
Enables central heating circuit recognition
6
Constant control-this forces the boiler to
operate at the max temperature
—set at
Para 12 in the Unmixed Circuit Chapter.
This could reduce efficiency and comfort.
(This is not recommended)