9.2 Control board
9.2.1 Hydraulic module board
1
29
28
27
26
Order
Port
Code
1
POWER
CN21
2
CN5
GND
PUMP
3
CN28
4
CN25
DEBUG
5
/
S1,S2,S3,SW9
6
CN4
USB
7
CN33
/
8
CN8
FS
T2
T2B
CN6
9
TW_in
TW_out
T1
10
CN24
Tbt
11
CN23
RH
12
CN13
T5
13
CN37
Pw
14
CN15
Tw2
15
CN38
T52
16
CN18
Tsolar
K1 K2
17
CN66
S1 S2
2
3
4
CN5
CN28
CN21
CN25
CN32
S1
CN29
S3
CN42
CN22
1
2
3
4
5
6
7
13
14 15
16
17
18
19
CN11
25
Assembly unit
Port for power supply
Port for ground
Port for variable speed pump power input
Port for IC programming
Dip switch
Port for USB programming
Port for breathing light
Port for flow switch
Port for refrigerant liquid side temperature
(heating mode)
Port for temperature sensor of refrigerant gas
side temperature
Port for temperature sensor of inlet water
temperature of plate heat exchanger
Port for temperature sensor of outlet water
temperature of plate heat exchanger
Port for temperature sensor of final outlet
water temperature
Port for temperature sensor of balance tank
Port for humidity sensor (Reserved)
Port for domestic hot water tank temp. sensor
Port for temperature sensor of water pressure
(Reserved)
Port for outlet water for zone 2 temp. sensor
Port for temperature sensor (Reserved)
Port for solar panel temp sensor
Input port (Reserved)
Input port for solar energy
5
6 7
8
9
CN8
CN6
CN13
CN15
CN18
S2
CN33
CN4
SW9
8
9
10
11
12
20
21
22
23
24
Order
Port
Code
Port for communication with the HOME BUS
18
CN27
HA/HB
wired controller (Reserved)
10V GND Output port for 0-10V
HT
Control port for room thermostat
19
CN31
COM
Power port for room thermostat
CL
Control port for room thermostat
SG
Port for smart grid (grid signal)
20
CN35
EVU
Port for smart grid (photovoltaic signal)
Port for remote switch
M1 M2
21
CN36
T1 T2
Port for thermostat transfer board
22
CN17
Port for variable speed pump communication
PUMP_BP
Communicate port between indoor unit and
23
CN19
P Q
outdoor unit
3 4
Port for communication with the wired controller
Communicate port between hydraulic module
24
CN30
6 7
board and main control board
9 10
Port for Internal machine Cascade
1 2
Port for additional heat source
3 4 17
Port for SV1(3-way valve)
5 6 18
Port for SV2(3-way valve)
7 8 19
Port for SV3(3-way valve)
9 20
Port for zone 2 pump
25
CN11
10 21
Port for outside circulation pump
11 22
Port for solar energy pump
12 23
Port for DHW pipe pump
13 16
Control port for tank booster heater
14 16
Control port for internal backup heater 1
15 17
Control port for internal backup heater 2
24 23
Output port for alarm/Defrost run
Control port for internal backup heater 1
IBH1
26
CN22
IBH2
Control port for internal backup heater 2
TBH
Control port for tank booster heater
27
CN42
HEAT6
Port for anti-freeze electric heating tape(internal)
28
CN29
HEAT5
Port for anti-freeze electric heating tape(internal)
29
CN32
AC OUT Port for backup heater
21
10
11
CN24
CN23
12
CN37
13
14
15
CN38
16
CN64
CN27
17
CN66
18
19
CN31
20
CN35
CN36
21
22
CN17
23
1
2
3
4
5
10
6
7
8
9
CN30
24
Assembly unit