Setting The Dip Switches; Dip Switch 1 (6 Switch Unit); Dip Switch 2 (8 Switch Unit) - Navien NCB-190/060H Installation & Operation Manual

6. Setting the DIP Switches

CAUTION
Do not remove the front cover unless
●
the power to the boiler is turned off or
disconnected. Failure to do so may result in
electric shock.
Configure only the DIP switches that require
●
adjustment according to the instructions
in this manual. Do not adjust any other DIP
switches.
The boiler has 2 sets of DIP switches on the main
circuit board (PCB). DIP switches are used to
control the functionality of the boiler. Set the DIP
switches appropriately, based on the installation
environment.

6.1 DIP Switch 1 (6 switch unit)

The DIP SW 1 on the circuit board configures the
operation status.
O O
N N
1 2 3 4 5 6
Switch Function Setting
Normal
Operation
Operation
2-stage MAX 1-ON, 2-OFF
1 & 2
Status
1-stage MIN
1-stage MAX 1-ON, 2-ON
72 Setting the DIP Switches
1 2 3 4 5 6 7 8
1-OFF, 2-OFF
1-OFF, 2-ON

6.2 Dip Switch 2 (8 switch unit)

The DIP SW 2 on the circuit board configures the
gas type, temperature control modes, country, and
enables or disables the space heating thermostat.
O O
N N
1 2 3 4 5 6
Switch Function Setting
Natural Gas
1 Gas Type
Propane Gas
0-1,999 ft
(0-609 m)
2,000-5,399 ft
(610-1,645 m)
High
2 & 3
Altitude
5,400-7,699 ft
(1,646-2,346 m)
7,700-10,100 ft
(2,347-3,078 m)
Used
Well
4
Pump
Unused
5 & 6 Country US/Canada
Space Used
7 Heating
Unused
Thermostat
Exhaust Used
8 Temperature
Unused
Control
1 2 3 4 5 6 7 8
Comment
1-OFF
1-ON
Refer to
2-OFF,
Table 1 in
3-OFF
"12.1 Gas
& High
2-ON,
Altitude
3-OFF
Conversion"
2-OFF, on page
3-ON
123.
2-ON,
3-ON
4-ON -
4-OFF -
5-OFF,
-
6-OFF
7-OFF -
7-ON -
8-OFF -
8-ON -