Midea MHC-V10W/D2N1, Инструкция по установке и эксплуатации, Страница: 22 / 96

20
Control box for 5/7/9 kW UNIT
Control box for 10~16KW UNIT
main control board
of hydraulic module
PCB A PCB B
PCB C
(at back of the PCB B,only for 3 phase unit)
2
1-phase 10~16kW
3-phase 12~16kW
1-phase 5/7/9kW
9.2.3 Main control board of hydraulic module
1
8
7 6 5 4 3 2
11
9
10
12
13
14
23
24
25
26
27
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 this PCB and user interface(CN14)
8 Port for temperature sensors(TW_out, TW_in, T1, T2,T2B )(CN6)
9 Port for temperature sensor(T5, domestic hot water tank temp.)
(CN13)
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)
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 P_o
）
/pipe pump P_d /mix
pump(P_c)/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)
The image shown here is indicative only. If there is inconsistency between the image and the actual product, the actual product shall govern.
15 17 18 16 19 20 21 22
Main control board
of hydraulic module PCB B
PCB A