Navien NP-180 Service Manual page 44

Point Function
K AC19V
L
Fan Motor
M Power Input
Water Adjust
Valve (CW)
N
Water Adjust
Valve (CCW)
Igniter
O
Pump
P
Q
Gas Valve
P.E
R
Flame Rod
Power trans
AC150V
S
Power trans
AC120V
Motorized
T
2-way Valve
©Navien America Inc. 2010
Wire Color Normal Value
BLUE-BLUE AC 16~24 V
BLACK-RED DC 127V~184 V
BLACK-YELLOW DC 15 V
BLACK-ORANGE DC 0~7.5 V
BLACK-WHITE 0 rpm~6500 rpm
BLUE-BLACK AC 97~138 V
ON : AC 97~138 V
BLUE-YELLOW
OFF : 0V
ON : AC 97~138 V
BLUE-ORANGE
OFF : 0V
ON : AC 97~138 V
BLUE-BLUE
OFF : 0V
ON : AC 97~138 V
BROWN-WHITE
OFF : 0V
ON : AC 97~138 V
BROWN-BLACK
OFF : 0V
ON : DC 83~120 V
BROWN-BROWN
OFF : 0V
ON : DC 83~120 V
YELLOW-YELLOW
OFF : 0V
ON : DC 83~120 V
RED-RED
OFF : 0V
GREEN Protect Earth
0~20 uA
BLACK
AC 123~177 V
RED-RED
AC 97~138 V
WHITE-BLACK
ON : AC 97~138 V
BLACK-BLUE-RED
OFF : 0 V
42
NR/NP series service Manual
Check
Confirm output voltage.
Confirm if voltage flows without any
relations with the fan operating.
Confirm if voltage flows without any
relations with the fan operating.
Voltage changes as the
fan operating.
Check PULSE.
Confirm approval of the
1st power resource.
Confirm the FUSE.
Confirm the circuit breaker.
Confirm voltage as operating.
Confirm voltage as operating.
Confirm voltage asignition
operating.
Confirm voltage as operating.
Confirm voltage as operating.
Confirm voltage as the
Main Gas Valve operating.
Confirm voltage as the
Gas Solenoid Valve 1 operating.
Confirm voltage as the
Gas Solenoid Valve 2 operating.
Same to the case earth Protect Earth.
Measure the currency as sensing flame.
Confirm output voltage.
Confirm output voltage
Confirm voltage as Motorized
2-way Valve operating.
Version 2.0