Switch Box Main Components - EAS ELECTRIC ETHKH160 Manual De Instrucciones

Functional diagram of indoor unit components
T W o _ t u
T B 2
3
5
T W _ n i
2 T
4
15.2
15.1 11

5.9.2.3 Switch box main components

1
27
26
25
24
23
22
1 Input port for solar energy(CN5)
2 Output port for transformer(CN4)
3 Power supply port for user interface(CN36)
4 Port for remote switch(CN12)
5 Port for flow switch(CN8)
6 Communicate port between outdoor unit and door PCB(CN14)
7 Communicate port between indoor PCB and user interface(CN19)
8 Port for temperature sensors(Twout, Twin, T1, T2,T2B )(CN6)
9 Port for temperature sensor(CN13)(T5,Sanitary water temp.)
10 Port for temperature sensor(T1B, the final outlet temp.)(CN15)
11 Digital displays(DIS1)
12 Check button(SW4)
13 DIP switch(S1,S2)
14 output port for deforst(CN34)
15 Port for anti-freeze eletric heating tape (internal)(CN40)
2 1 8
1 T
12
14
F
13
9 10
2 3
21 20
1 Air vent value
2 Backup heater vessel with backup heater
3 Expansion vessel
4 Refrigerant liquid connection
5 Refrigerant gas connection
8 Manometer
9 Flow switch
10 Circulated Pump
11 Heat exchanger
12 Water outlet connection
13 Water inlet connection
14 Safety valve
15.1 Electrical heating tape
15.2 Electrical heating tape
Temperature sensors: Tw_in, Tw_out, T1, T2, T2B
4 5
19 18
16 Port for anti-freeze eletric heating tape (internal)(CN41)
17 Output port for external heating source / operation output port(CN25)
18 Port for anti-freeze eletric heating tape(external) /port for solar
energy pump/output port for remote alarm(CN27)
19 Port for external circulted pump/pipe pump/mix pump/2-way
valve SV2(CN37)
20 Port for SV1(3-way valve) and SV3(CN24)
21 Port for internal pump(CN28)
22 Input port for transformer(CN20)
23 Feedback port for temperature switch(CN1)
24 Port for power supply(CN21)
25 Feedback port for external temp. switch(shorted in default)(CN2)
26 Control port backup heater/booster heater(CN22)
27 Control port for room thermostat(CN3)
21
6 7
17 16 15
8
9
10
11
12
13
14
V.1