10
WIRING DIAGRAM AND REMOTE CONTROLS INSTALLATION SCHEMATIC
P
Y
BK
G
BL
O
R
GY
BR
W
W
W
W
W
W W
W
W
W
BR
BL
G
G
PROTECTOR
(5A)
SURGE
12
FUSE
11
AC240V
W
: Purple
: Yellow
: Black
: Green
: Blue
: Orange
: Red
: Grey
: Brown
: White
IGNITOR
SPARK
ELECTRODE
6
BK
BK
GY
GY
BK
BK
8
G
W
Y
BL
R
O
COMBUSTION FAN
REMOTE
CONTROLLER
2
1
R
W
4
3
5
9
Y
Y
W
W
R
BL
BL
WATER FLOW SENSOR
BK
GY
GY
R
W
GAS PROPORTIONAL
VALVE
10
DIP SWITCH
O
W
P
BK
G
Y
ON
MIN.
GC-140
GC-140
MIN.
MIN
MAX
BL
R
5
7
6
1
4
2
1
2
8
3
OFF
W
W
W
W
FLAME SENSOR
CUTOUT
TEMPERATURE SENSOR
(OUTGOING TEMP.)
TEMPERATURE
WATER VOLUME
PROPORTIONAL VALVE
TEMPERATURE SENSOR
(INCOMING TEMP.)
W
W
TEMPERATURE SENSOR
(HEAT EXCHANGER TEMP.)
Y
Y
HI-TEMP FUSE
GAS VALVE 2
BL
O
Y
GAS VALVE 1
Y
MAIN GAS VALVE
Y
Y
Y
BK
W
BL
BK
AUTO
TRANSFORMER
THERMOSTAT FOR FREEZE
PROTECTION HEATERS
FREEZE PROTECTION HEATERS
MAIN CONTROL
240volt POWER SUPPLY
SUB CONTROL
(ENSUITE)
SHOWER CONTROL
WIRING FROM MAIN UNIT TO MAIN & SHOWER/SUB REMOTE
CONTROLS