Navien NPE-240A Service Manual

System Details 43
Item Description Display method
(B)Hot Water Outlet
temperature
Display of the current outgoing water
temperature
OUT temperature display
ex) 120°F
(C)Water Inlet
temperature
Display of the current incoming water
temperature
IN temperature display
ex) 120°F
(D)Heat Capacity Display of current heat capacity %
% Heat capacity display in percentage
ex) 92%
(E)Water adjustment
valve condition
Display of the water adjustment valve
condition(%)
Fully closed= 100%
Fully opened= 0%
% display of the valve close ratio in percentage
ex) When closed 24%
(F)Mixing valve condition
Mixing valve condition display(%)
Fully closed= 0%
Fully opened= 56%
“A” models
“S” models: % display of the valve close ratio in percentage
ex) When closed 46%
(G)Heat exchanger flow
rate
Calculated value by the mixing valve open
condition from the total flow rate
For “A” models, this flow will be the same
as (A)
GPM flow rate display
ex) Relevant flow rate: 5.4gpm
(H)Current RPM Fan motor RPM display
Display of RPM by omitting the last digit
ex) 3600rpm
(I) Current APS APS voltage value display
Display of the APS value as voltage up to the first decimal place
ex) 3.2V

Navien NPE-240A Specifications

General

Type	Tankless
Fuel Type	Natural Gas or Propane
Energy Factor	0.97
Energy Efficiency	97%
Voltage	120V
Ignition Type	Electronic
Maximum Input	199, 900 BTU/h
Water Connection Size	3/4"
Gas Connection Size	3/4"
Warranty	15-year on heat exchangers, 5-year on parts, 1-year on labor
Dimensions	17.3" W x 13.2" D x 27.4" H