56
CN3C
Transmission
(Indoor/Outdoor)
(0–24 V DC)
LED3
Transmission
(Indoor/Outdoor)
CNP1/OUT1 (TBO.1
1
–
2
)
Water circulation pump1
(230 V AC)
F2
6.3 A/250 V
CN01
Power supply
(230 V AC)
F1
10 A/250 V
CNPWM
Water circulation
pump 1
(
2
–
3
: 5 V DC)
OUT12 (TBO.3
5
–
6
)
Signal output (Defrost) (230 V AC)
OUT8 (TBO.4
5
–
6
)
Signal output (Cooling)
(230 V AC)
CNIH/OUT9 (TBO.4
3
–
4
)
Signal output for immersion
heater
(230 V AC)
CNBHT
Thermostat input for
booster heater
IN7
(TBI.1
1
–
2
)
Flow switch 3 input
CN22/RC(TBI.2
1
–
2
)
Main remote controller
(10.4–13.7 V DC)
CNRF
Transmission (Indoor/
Wireless receiver)
(
1
–
2
:
11.5–13.2 V DC)
LED1
Power supply (FTC)
CN108
SD card
LED4
Reading or writing
data to SD card
LED2
Power supply (Main
remote controller)
THW9
(TBI.2
9
–
0
)
Thermistor
(Zone2 return
water temp. )
THW7
(TBI.2
5
–
6
)
Thermistor
(Zone1 return
water temp. )
THW6
(TBI.2
3
–
4
)
Thermistor
(Zone1 flow
water temp. )
THWB1
(TBI.2
1
–
2
)
Thermistor
(Boiler flow
water temp.)
THW8
(TBI.2
7
–
8
)
Thermistor
(Zone2 flow
water temp. )
IN6
(TBI.1
3
–
4
)
Room thermostat 2
input
IN5
(TBI.1
5
–
6
)
Outdoor ther-
mostat input
IN4
(TBI.1
7
–
8
)
Demand
control input
IN3
(TBI.1
9
–
0
)
Flow switch
2 input
IN1
(TBI.1
3
–
4
)
Room thermo-
stat input
CNBC
Signal output for booster heater
(230 V AC)
O
UT11 (TBO.3
3
–
4
)
Signal output (Error) (230 V AC)
OUT5 (TBO.2
1
–
3
)
Mixing valve (Local supply)
(
1
–
2
[Close]: 230 V AC)
(
2
–
3
[Open]: 230 V AC)
CNP4/OUT14
Water circulation pump4
(230 V AC)
OUT3 (TBO.1
5
–
6
)
Water circulation pump3
(Local supply) (230 V AC)
OUT2 (TBO.1
3
–
4
)
Water circulation pump2
(Local supply) (230 V AC)
CNBH
Signal output for booster heater
(
1
–
3
: heater1 230 V AC)
(
5
–
7
: heater2 230 V AC)
OUT13 (TBO.4
1
–
2
)
2-way valve2 (230 V AC)
10-7. Test point diagram
FTC (Controller board)
OUT4 (TBO.2
4
–
6
)
3-way valve/2-way valve
(Local supply)
(
4
–
5
: 230 V AC)
OUT10 (TBO.3
1
–
2
)
Signal output (Boiler)
(non-voltage contact)
OUT15 (TBO.3
7
–
8
)
Signal output (Comp on)
(230 V AC)
IN2
(TBI.1
1
–
2
)
Flow switch 1
input
IN8
(TBI.3
1
–
2
)
Power meter 1
input
CN20
Thermistor
(Room temp.)
CN21
Thermistor
(Ref. liquid temp.)
CNW12
Thermistor
(
1
–
2
:
Flow water temp.)
(
3
–
4
: Return water temp.)
THWB2
(TBI.2
3
–
4
)
Thermistor
(Boiler return
water temp. )
IN9
(TBI.3
3
–
4
)
Power meter
2 input
CN1A
Flow sensor
input
CNW5
Thermistor
(DHW tank
water temp.)
IN10
(TBI.3
5
–
6
)
Heat meter
input
CN105
Transmission (Indoor/
Wi-Fi adaptor)
(
1
–
2
:
11.5–13.2 V DC)
OCH590B