HTW ECO-THERMAL PLUS -V18WD2RN8PLUS Manual De Usuario E Instalacion página 106

9.3.1 Main control board of indoor unit
1
CN21
31 CN29
30
CN42
29 CN40
28
CN41
CN22
27
CN1
26
25 CN2
1 2
13
Order Port Code
1 POWER
CN21 Port for power supply
2 S3 / Rotary dip switch
3 DIS1 Digital display
/
4 CN5 GND Port for ground
5 CN28 PUMP Port for internal pump
6 Port for IC programming
CN25 DEBUG
Dip switch
S1,S2,S4 /
7
8 CN4 USB Port for USB programming
9 CN8 FS Port for flow switch
Port for temperature sensors of refrigerant liquid
T2
side temperature of plate heat exchanger
Port for temperature sensors of refrigerant gas
T2B
side temperature of plate heat exchanger
Port for temperature sensors of inlet water
TW_in
CN6
10
temperature of plate heat exchanger
Port for temperature sensors of outlet water
TW_out
temperature of plate heat exchanger
Port for temperature sensors of final outlet
T1
water temperature of indoor unit
Port for balanced water tank of up temp. sensor
11 CN24 Tbt1
Port for balanced water tank of dowm temp.
Tbt2
12 CN16
sensor
13 T5 Port for domestic hot water tank temp. sensor
CN13
14 CN15 Port for outlet water for zone 2 temp. sensor
Tw2
15 CN18 Tsolar Port for solar panel temp. sensor
Port for
16 PUMP_BP
CN17
Control port for room thermostat (heating mode)
HT
17
CN31
Power port for room thermostat
COM
Control port for room thermostat (cooling mode)
CL
Port for smart grid (grid signal)
SG
18 CN35
EVU Port for smart grid (photovoltaic signal)
2 3 4
5
CN5 CN28
CN25
DIS1
S3
3 4 5 6 7 8 9
14 15 16 17 18 19 20
CN11
24
Assembly unit
pump
variable speed
6
7 8
S1 S2
S4
CN4
25 26 27
10 11 12
21 22 23 24 29 30
31
CN7
23
Order Port Code
M1 M2
19
CN36
T1 T2
20 CN19 P Q E
CN14 A B X Y E
21
1 2 3 4 5 Port for communication with the wired controller
22 CN30 6 7 8
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
23
9
10
CN24
CN8
CN6
CN16
CN13
CN15
CN18
CN31
CN35
CN36
CN17
28
1 2 3 4 5
32
6 7 8 9 10
CN30
22
Assembly unit
Port for remote switch
Port for temperature board
Communicate port between indoor PCB and
outdoor unit
Port for communication with the wired controller
Communicate port between indoor PCB 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)
11
12
13
14
15
16
17
18
19
20
21