Navien NPE-240A Installation Manual

Appendixes 49
5.3 Wiring Diagram
CON5
CON6 CON7
CON8
CON10
CON1
CON4
CON2
CON3
CON11
TB1
BK BK
Front Panel
BK BKBK BKBK BKBK BKBK BK
BK BK
High Limit S/W
APS
R
W
BK
Air Pressure Sensor
Flow Sensor
R
W
BK
B B
Inlet1 Thermistor
B B
B B
Outlet2 Thermistor
B B
B B
Inlet2 Thermistor
B B
B B
Outlet1 Thermistor
B B
B B
Exhaust Thermistor
B B
Water Adjustment Valve
Feedback
M
WAV
BR O R B Y R W BK
Pump
Y
W
M
Dual Venturi
W BR
B
IG
Spark
Electrode
Flame Rod
BR B BK
FM
Fan Motor
ROW
Y
BK
MGV
Main Gas Valve
W
Y R
BK
Neutral(W)
Hot(BK)
Ground(GY)
GY
Power Cord
W
Fuse(5A)
Power Switch
GY
GY
Ground
Pump
Y
W
Ground
External
Color Code
B O R W Y BK BR GY
: Blue : Orange : Red : White : Yellow : Black : Brown : Green/Yellow
A B C D
E
F
G
H K
J
L
I
If any of the original wires as supplied with the water heater must be replaced, they must be replaced with their equivalent.
Optional
[NPE-180A/ 210A/ 240A]

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