Navien NPE-180A Installation Manual page 36

10-switch Panel:
Switch Function
Recirculation Mode-
Internal Navien
Pump ("A" model
only)
1-3
Recirculation Mode-
External Pump
Connected**
Display Temperature
4
Unit
5 Well Pump
DHW Storage Tank/
6
Solar System
7 & 8 Lime Alarm***
9 & 10 High Altitude ****
This water heater may be installed at elevations up to 10,100 ft (3,078 m) for use with Natural Gas and 4,500 ft (1,370 m) for use
Note
with Propane. To use the water heater at a specific altitude, the DIP switches should be set as described above.
2-switch Panel:
Switch Function
1 Cascade Vent
2 Gas Type
Setting
No Recirculation
Internal Recirculation
External Recirculation
Intelligent Preheating*
External Pump Only
Internal Recirculation ("A" model only)
External Recirculation ("A" model only)
Intelligent Preheating*
Celsius
Fahrenheit
Well Pump Operation
Do Not Use Well Pump
Storage Tank/Solar System Operation
Do Not Use Storage Tank/Solar System
6 Months Alert
12 Months Alert
24 Months Alert
0 ~ 1,999 ft (0 ~ 609 m)
2,000 ~ 5,399 ft (610 ~ 1,645 m)
5,400 ~ 7,699 ft (1,646 ~ 2,346 m)
7,700 ~ 10,100 ft (2,347 ~ 3,078 m)
Setting
Common Vent
Individual Vent
Natural Gas
Propane Gas
Remark
1-OFF; 2-OFF; 3-OFF * Intelligent Preheating:
Learns the user's hot water
1-ON; 2-OFF; 3-OFF
usage patterns and starts
preheating prior to an
1-OFF; 2-ON; 3-OFF
anticipated draw.
1-ON; 2-ON; 3-OFF
Preheating starts when
remote controller is not
1-OFF; 2-OFF; 3-ON
connected.
1-ON; 2-OFF; 3-ON
When remote controller is
connected, preheating starts
1-OFF; 2-ON; 3-ON
and operates based on the
timer.
1-ON; 2-ON; 3-ON
Set the timer on the remote
4-ON
controller to use hot water
at the time of your choice.
4-OFF
Intelligent preheating does
5-ON
not function in Cascade
Mode (Preheating OFF).
5-OFF
Freeze protection is still
6-ON available with preheating
OFF.
6-OFF
**External Pump:
These settings are to be used
7-ON; 8-OFF
when an external pump is
7-OFF; 8-ON
wired to the water heater.
***Lime Alarm:
7-ON; 8-ON
Displays a "760" error when
the set time period has been
9-OFF, 10-OFF
reached to indicate a flush or
9-ON, 10-OFF
service is necessary.
****High Altitude
9-OFF, 10-ON
Above 2,000 ft (610 m), the
water heater will de-rate by
4% for each 1,000 ft (305 m) of
9-ON, 10-ON
altitude gain.
1-OFF
1-ON
OFF
ON
Installing the Water Heater 35