Navien NPE-240S2 Installation Manual

8 About the Water Heater
b
a
g
h
i
c
d
e
f
j
k
l
2.4 The Front Panel
The front panel allows you to adjust the water
temperature and view the operating status or error
codes. Remove the protective sheet from the front
panel before using it.
a
Recirculation/
Space Heating
Displays recirculation
(Always On/Intelligent/
Weekly/HotButton) and
space heating (with
optional H2Air kit) status.
b
Combustion/Error
Displays combustion/
error status.
c
Gas
Displays when the
unit is configured for
propane gas.
d
Main/Sub
Displays whether the
water heater is a main
or a sub unit of the
cascade system.
e
Status/Flow
Displays the operation
status (including
Stand-by) and current
flow rate.
f
Hot Water
Temperature
Setting
Displays the hot water
temperature setting.
g
Menu button
Access to the Main
menu screen.
h
Back button
Access to the previous
screen.
i
OK button
Access to the selected
item.
j
Up button
Increases the
temperature setting,
parameter or moves
up.
k
Down button
Decreases the
temperature setting,
parameter or moves
down.
l
Power button
Turns the water heater
on or off.

Navien NPE-240S2 Specifications

General

Type	Tankless
Fuel Type	Natural Gas or Propane
Energy Factor	0.96
Water Connection Location	Bottom
Voltage	120 V
Water Connection Size	3/4 inch NPT
Gas Connection	3/4 inch NPT
Venting	PVC, CPVC
Warranty	15 years heat exchanger, 5 years parts
Maximum Input	199, 900 BTU/h
Flow Rate	0.5 GPM (activation)