Airwell WELLEA SPLIT A R3 Installationsanleitung Seite 29

8.3.1 Main control board of indoor unit
1
CN21
32 CN32
CN29
31
30
CN42
29 CN40
28
CN41
CN22
27
CN1
26
25 CN2
1 2
13
Order Port Code
1 POWER Port for power supply
CN21
2 S3 / Rotary dip switch
3
DIS1 Digital display
/
4 CN5 GND Port for ground
5
CN28 PUMP Port for variable speed pump power input
6 Port for IC programming
CN25 DEBUG
Dip switch
/
7
S1,S2,S4,SW9
8 CN4 USB Port for USB programming
9 Port for flow switch
CN8 FS
Port for temperature sensor of refrigerant liquid
T2
side temperature of indoor unit (heating mode)
Port for temperature sensor of refrigerant gas
T2B
side temperature of indoor unit (cooling mode)
Port for temperature sensor of inlet water
TW_in
CN6
10
temperature of plate heat exchanger
Port for temperature sensor of outlet water
TW_out
temperature of plate heat exchanger
Port for temperature sensor of final outlet
T1
water temperature of indoor unit
Port for upper temp. sensor of balance tank
11 CN24 Tbt1
Port for lower temp. sensor of balance tank
Tbt2
12 CN16
13 T5 Port for domestic hot water tank temp. sensor
CN13
14 Port for zone 2 temp.sensor of outlet water
CN15
Tw2
15 CN18 Tsolar Port for solar panel temp. sensor
Port for variable speed pump communication
16 PUMP_BP
CN17
Control port for room thermostat (heating mode)
HT
17
CN31
COM Power port for room thermostat
Control port for room thermostat (cooling mode)
CL
Port for smart grid (grid signal)
SG
CN35
18
Port for smart grid (photovoltaic signal)
EVU
2 3 4
5
CN5 CN28
CN25
DIS1
S3
3 5 6 8 9
4 7
14 15 16 17 18 19 20
CN11
24
Assembly unit
6
7 8
S1 S2
S4
CN4
10 25 26 27
11 12
21 22 23 24 29 30 31
CN7
23
Order Port Code
M1 M2
19
CN36
T1 T2
20 CN19 P Q
21 CN14 A B X Y E
1 2 3 4 5 Port for communication with the wired controller
22
CN30 6 7
9 10
26 30/31 32
23
CN7 25 29
27 28
1 2
3 4 15
5 6 16
7 8 17
9 21
10 22
24 CN11
11 23
12 24
13 16
14 17
18 19 20
25
CN2
TBH_FB
26 CN1 IBH1/2_FB
IBH1
27 CN22 IBH2
TBH
28 CN41 HEAT8
29 CN40 HEAT7
30 CN42 HEAT6
31 CN29 HEAT5
IBH0
32 CN32
28
9
10
CN24
CN8 CN6
CN16
CN13
CN15
CN18
CN31
CN35
CN36
SW9
CN17
28
1 2 3 4 5
32
6 7 8 9 10
CN30
22
Assembly unit
Port for remote switch
Port for thermostat transfer board
Communicate port between indoor unit and
outdoor unit
Port for communication with the wired controller
Communicate port between indoor unit and
outdoor unit
Port for Internal machine Parallel
Compressor run/Defrost run
Port for antifreeze E-heating tape(external)
Port for additional heat source
Input port for solar energy
Port for room thermostat
Port for SV1(3-way valve)
Port for SV2(3-way valve)
Port for zone 2 pump
Port for outside circulation pump
Port for solar energy pump
Port for DHW pipe pump
Control port for tank booster heater
Control port for internal backup heater 1
Port for SV3(3-way valve)
Feedback port for external temperature
switch(shorted in default)
Feedback port for temperature switch
(shorted in default)
Control port for internal backup heater 1
Reserved
Control port for tank booster heater
Port for anti-freeze electric heating tape(internal)
Port for anti-freeze electric heating tape(internal)
Port for anti-freeze electric heating tape(internal)
Port for anti-freeze electric heating tape(internal)
Port for backup heater
11
12
13
14
15
16
17
18
19
20
21