Navien NHB H Series User Manual

68 Setting the DIP Switches
6.2 Dip Switch 2 (Set of 8 Switches)
The DIP SW2 (Set of 8 Switches) on the circuit board configures the gas type, altitude, temperature control
modes, country, and enables or disables the space heating thermostat.
1 2 3 4 5 6
O
N
O
N
1 2 3 4 5 6 7 8
Switch Function Setting Comment
1 Gas Type
Natural Gas 1-OFF
Refer to Table 1 in
“12.1 Gas & High
Altitude Conversion”
on page 120.
Propane Gas 1-ON
2 & 3 High Altitude*
0-1,999 ft (0-609 m) 2-OFF, 3-OFF
2,000-5,399 ft (610-1,645 m) 2-ON, 3-OFF
5,400-7,699 ft (1,646-2,346 m) 2-OFF, 3-ON
7,700-10,100 ft (2,347-3,078 m) 2-ON, 3-ON
4
Input rate
compensation
Used 4-OFF -
Unused 4-ON -
5 & 6 Reserved - - -
7
Space Heating
Thermostat
Used 7-OFF -
Unused 7-ON -
8
Exhaust
Temperature Control
Used 8-OFF -
Unused 8-ON -
* Please confirm the installation elevation by using the provided QR code to access the following website (https://www.
navieninc.com/elevation) and entering the proper zip/postal code.

Navien NHB H Series Specifications

General

Brand	Navien
Model	NHB H Series
Category	Boiler
Language	English