Dip Switch Settings - Navien NP-180 Service Manual

4.3. Dip Switch Settings

There are two sets of Dip switches on the PCB.
One set has 6 switches and the other has 8 switches.
#1 Dip Switches
No Function
1
Burner Operation
Mode selection
2
3 Gas Type Selection
4 Vent Selection
5
Model Selection
6
Burner Operation Mode
Dip Switch No.
Normal Operation
Maximum Operation
Minimum Operation
3-Stage Minimum
©Navien America Inc. 2010
# 1 Dip switches
ON
1 2 3 4
PCB
ON
See 'Burner Operation Mode' below
LP (Propame Gas)
Cascade Individual Vent
See 'Model Selection' below
Model Selection
1 2
OFF OFF NR/NP-180, NR/NP-180A
ON OFF NR/NP-210, NR/NP-210A
OFF ON NR/NP-180, NR/NP-180A
ON ON
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NR/NP series service Manual
# 2 Dip switches
ON
5 6 1 2 3 4 5
OFF
NG (Natural Gas)
Cascade Common Vent
Dip Switch No.
OFF
ON
OFF
6 7 8
5 6
OFF
OFF
ON
Version 2.0