59
CIRCULATION PUMP
OR
WATER VALVE
RELAY 7
CIRCULATION PUMP
(OPTIONAL)
Y
O
G
W
V
BK
BK
V
W
G
O
W
W
G
V
BK
O
BL
BR
(
Ｒ
)
Ｗ
(
ＢＫ
)
Ｇ
(
Ｗ
)
Ｒ
(
Ｇ
)
ＢＫ
ＢＬ
ＢＬ
ＢＬ
ＢＬ
Ｇ（ＢＫ）
Ｗ（Ｒ）
ＢＫ（Ｇ）
Ｒ（Ｗ）
Other Unit in Quick Connect Multi System
(For Quick Connect Multi System
Only)
Quick Connect Cord(Optional)
REMOTE CONTROLLER
RC-7646M-2, RC-7647M
THERMAL FUSE
THERMAL FUSE
BURNER THRMISTOR
BURNING LED
O
Y
R
BL
W
FLAME ROD
GROUND
REACTOR
W
BL
R
Y
O
FAN MOTOR
W (Vs)
BL(GND)
R (Vcc)
Y (FG)
O (Vsp)
W
W
W
W
BK
W
W
BK
HIGH-LIMIT SWITCH
ELECTRODE
W W
W W
W W
Only necessary if
SC-101-3M-B or
SC-101-6M-B
system controllers
are being used
ANTI-FROST HEATER
CCP VALVE
(OPTIONAL)
W
W
R
W
<CN75>
Y
Y
W
R
BK
W
<CN59>
R
BL
Y
R
Y
BL
Y
BL
BL
Y
R
R
(Pulse)
(Pulse)
(GND)
(GND)
(VCC)
(VCC)
R
R
Y
BL
BL
R
(VCC)
(VCC)
(Fully
open)
(GND)
(GND)
(Fully open)
(VCC)
(VCC)
BR
BL
O
BK
V
G
BK
BK
BK
BK
BK
SYSTEM CONTROLLER
SC-201-6M
(OPTIONAL)
GROUND
<AC120V>
TRANSFORMER
CURRENT LEAKAGE
SAFETY DEVICE
(GFCI)
R
R
R
R
DISCONNECT FOR
SYSTEM CONTROLLER
(OPTIONAL)
SYSTEM CONTROLLER
SC-101-3M-B
SC-101-6M-B
WATER OUTLET
THERMISTOR
HEAT EXCHANGER
THERMISTOR
WATER INLET
AIR INLET
THERMISTOR
FROST SENSING
SWITCH
PRESSURE SWITCH
BYPASS FLOW SENSOR
HEAT EXCHANGER
BYPASS FLOW
CONTROL VALVE
HEAT EXCHANGER
FLOW CONTROL
VALVE
R
BK
W
Y
O
<CN103>
BL
R Y O
<CN102>
<CN27>
W
BK
<CN104>
<CN100>
<CN92>
G
BK
W W
BK BK
W
W
W W
W
W
W W
W
W
W W
W
W
W W
W
W
W W
W
W
W W
W
W
W W
W W
W
W
BK
BK
BL
BL
BL
BL
G
BK
BK
BL
BK
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
R
R
BL
BL
BL
BL
BL
W
BL
<CN184>
BK
BK
R
W
G
BL
BL
G
W
R
BL
BL
BL
BL
R
W
G
BL
BL
G
W
R
BK
BK
<CN184>
BK
W
W
BK
R
BL
W
Y
BR
O
GY
W
Y
BR
O
GY
BK
BK
O
GY
BK
BL
Y
W
R
BL
BR
BR
BL
R
W
Y
BL
BK
GY
O
O
GY
BK
BK
Y
BR
BL
W
<CN10>
G
WW
W
BK
W
<CN1>
<CN89>
BL
BL
O
W
R
BK
Y
BL
<CN102>
<CN78>
W
W
W
BK
<CN63>
R
R
W
O
BK
V
G
Y
W
BK
BL
W
O
BK
V
G
R
BR
Y
BL
<CN38>
Decrease Button
Increase Button
Manifold Gas Pressure
Manifold Gas Pressure
Minimum Manifold Pressure Set Button
Maximum Manifold Pressure Set Button
10A(FUSE)
NEUTRAL
VARISTOR
HIGH LIMIT
SWITCH
ARRESTER
PRIMARY
SECONDARY
AC120V
AC100V
IG
VARISTOR
IGNITER
SV0
SV2
SV1
SOLENOID VALVE 1
SOLENOID VALVE 2
SOLENOID VALVE 0
DC90V
ANTI-FROST HEATER
DC140V
FAN
SV3
SV4
POWER
CONTROLLER
SV5
SOLENOID VALVE 4
SOLENOID VALVE 3
SOLENOID VALVE 5
C
B
A
COMBUTION FAN
HOT
DC90V
DC140V
DC15V(2)
DC15V(1)
PRIMARY
SECONDARY
RELAY 8
RELAY 9
RELAY 6
RELAY 2
RELAY 3
RELAY 4
RELAY 1
RELAY 5
GND
C
FAN
PULSE CONTROL
CIRCUIT
WATER OUTLET THERMISTOR
AIR INLET THERMISTOR
WATER INLET THERMISTOR
WATER THERMISTOR FOR
HEAT EXCHANGER
CPU
CENTRAL
PROCESSING
UNIT
RELAY
DRIVING
CIRCUIT
INPUT AND
OUTPUT PULSE
5V POWER CIRCUIT
BURNER SENSOR
15V POWER CIRCUIT
WATER FLOW SENSOR 1
WATER FLOW SENSOR 2
WATER FLOW SERVO 1
WATER FLOW SERVO 2
FROST SENSING SWITCH
THERMAL FUSE
WIND PRESSURE SWITCH
DU
FR
GAS PROPORTION VALVE POWER
CONTROL CIRCUIT
FLAME DETECTING CIRCUIT
FLAME ROD
RELAY 1
RELAY 2
・・・
GND
RELAY 6
RELAY 8
RELAY 7
RELAY 9
B
A
WIRING DIAGRAM (MODEL : N-132M)
Y : Yellow
BR : Brown
G : Green
GY : Gray
BL : Blue
O : Orange
V : Violet
BK : Black
R : Red
W : White
COLOR CODING
POWER CIRCUIT
BOARD
GAS VALVE UNIT
MAIN CIRCUIT
BOARD
MAIN CIRCUIT
BOARD
８
７
６
５
４
３
２
ＬＳ
ＳＭ
６
７
８
５
４
３
１
２
ＬＳ
ＳＭ
１
１９
３
１
２
ＱＳ
２
１
Ｐ
２２
２１
１
１
１
３
１
２
４
１
２
３
４
１１
９
７
５
６
８
１０
１２
１９
１７
１５
１６
１８
２０
１３
１４
４
５
６
７
８
１
２
１
２
５
４
３
６
３
２
１
６
５
４
１
１
２
３
４
３
ＩＧ
１
２
２
３
１
１
２
６
５
４
３
７
２
１
２
１
1
2
３
１
２
４
１１
９
７
５
６
８
１０
１２
１７
１５
１６
１８
２０
１３
１４
３
２
１
１
２
1
2
B5
３
１
２
ＱＳ
２
３
４
１
３
２
１
２
１
２
１
１
２
ＳＷ
１
4
3
6
7
5
2
1
4
3
6
5
2
1
184
1
2
5
6
3
4
1
2
5
7
6
3
4
４
２
３
５
１
ＦＭ
６
１
２
３
１
２
１
2
1
5
6
4
3
1
2
5
6
3
4
８
７
6
5
４
３
２
１
−
＋
ＤＵ
Ｑ１
１１
１２
１３
ＳＶ
ＳＶ
Ｑ３
ＳＶ
Ｑ２
２
５
１
４
３
６
１４
１５
０
１０
ＳＶ
Ｑ５
ＳＶ
ＳＶ
Ｑ４
１
２
５
６
８
７
９
１
４
３
２
２
１
２
１
１
２
１
２
１
２
２
１
１
２
２
２
１
FLOW SENSOR
THERMISTOR
N-084M(-DV)(-CA) Model Only
N-084M(-DV)(-CA)
Model Only
