Right side unit, Left side unit, Wiring diagram – John Wood Takagi - 910 User Manual
Page 28: Water control valve, Porpor- tional valve, Flow sensor

28
Wiring Diagram
A wiring diagram is located on the inside front panel of the appliance. Electrical Rating: 120 VAC, 60 Hz.
Note: If any of the original wiring supplied with this appliance must be replaced, it must be replaced with appliance wiring
material (180c) or its equivalent. Wires are available through the manufacturer.
BK: BLACK
LB: LIGHT BLUE
G: GREEN
O: ORANGE
P: PURPLE
BL:BLUE
Y: YELLOW
BR: BROWN
Heater
Thermostat
GFI
Trans-
former
BR
BR
AC120V
10A
G
Ground
W
BK
BR
Ground
8
7
6
5
4
3
2
1
OFF
8
7
6
5
4
3
2
1
OFF
Remote
controller
Parent
W
W
Ground
Ground
Heater
Heater
Heater
Heater
Heater
BK
BK
W
W
BL
BK
BK
R
R
BL
BL
G
G
G
W
BK
BK
W
BK
W
W
BK
BK
W
W
W
W
W
W
W
Surge
box
BK
W
Communication
lamp (right)
Communication
lamp (left)
Multi-system
on line lamp
DIPswitches
DIPswitches
7 Seg LED
Pump test run
Error call
button
FM
port
Pump
port
Button to check
unit number
Priority SW
Alarm
contact
Draft switch
2
1
Inlet
thermistor
Output
thermistor
Mixing
thermistor
BK
BK
BK
6
5
4
3
2
1
OFF
Air-fuel
ratio rod
Ground
Flame
rod
MV
SV1
SV2
SV3
Elect
rod
IG
R
Y
G
W
BK
BL
R
O
Y
G
W
BK
BL
Water
Control
valve
BK
BK
BK
BK
Y
G
O
P
P
P
P
Porpor-
tional
Valve
W R
BK
W
R
W R
R
BK
W
BL
LB
G
O
R
Y
W
BK
FM
R
BL
Y
O
W
Hi-
limit
BL
BL
O.H.C.F
BL
BL
BL
BL
Flow
Sensor
Right side unit
MAX button
MIN button
Increase button
Decrease button
Burning lamp
DIPswitches
Inlet
thermistor
Output
thermistor
Mixing
thermistor
BK
BK
BK
6
5
4
3
2
1
OFF
Air-fuel
ratio rod
Ground
Flame
rod
MV
SV1
SV2
SV3
Elect
rod
IG
R
Y
G
W
BK
BL
R
O
Y
G
W
BK
BL
Water
Control
valve
BK
BK
BK
BK
Y
G
O
P
P
P
P
Porpor-
tional
Valve
W R
BK
W
R
W R
R
BK
W
BL
LB
G
O
R
Y
W
BK
FM
R
BL
Y
O
W
Hi-
limit
BL
BL
O.H.C.F
BL
BL
BL
BL
Flow
Sensor
Left side unit
MAX button
MIN button
Increase button
Decrease button
Burning lamp
DIPswitches