M thermal Split
36
202004
Midea
M t
her
ma
l S
pli
t Ser
vice M
anual
Table 4-2.1:
KMK-60(100, 160)RY1(3)
hydronic box main PCB
Label in Figure
4-2.1
Code
Content
1
CN21
Port for power supply
2
S3
Rotary dip switch
3
DIS1
Digital display
4
CN5
Port for ground
5
CN28
Port for variable speed pump power input
6
CN25
Port for IC programming
7
S1,S2,S4
Dip switch
8
CN4
Port for USB programming
9
CN8
Port for Flow switch
10
CN6
Port for temp. sensors (T2,T2B,TW_out,TW_in, T1,)
11
CN24
Port for temp. sensor(Tbt1, The balanced water tank of up temp. sensor)
12
CN16
Port for temp. sensor(Tbt2, The balanced water tank of up temp. sensor)
13
CN13
Port for temp. sensor(T5, domestic hot water tank temp. sensor)
14
CN15
Port for temp. sensor(Tw2, The outlet water for zone 2 temp. sensor)
15
CN18
Port for temp. sensor(Tsolar, Solar panel temp. sensor)
16
CN17
Port for variable speed pump communication
17
CN31
Control port for room thermostat (heating mode)(HT)/Control port for room thermostat (cooling
mode)(CL)/Power port for room thermostat(COM)
18
CN35
Port for smart grid (grid signal, photovoltaic signal)
19
CN36
Port for remote switch, temperature board
20
CN19
Communicate port between indoor unit and outdoor unit
21
CN14
Port for communication with the wired controller
22
CN30
Communicate port between indoor unit and outdoor unit, port for communication with the wired
controller, internal machine parallel
23
CN7
Port for antifreeze E-heating tape(external), additional heat source, compressor run/defrost run
24
CN11
Control port for tank booster heater, internal backup heater 1, input port for solar energy, Port for room
thermostat, SV1(3-way valve), SV2(3-way valve), SV3(3-way valve), zone 2 pump, outside circulation
pump, solar energy pump, DHW pipe pump,
25
CN2
Feedback port for external temp. switch(shorted in default)
26
CN1
Feedback port for temperature switch(shorted in default)
27
CN22
Control port for backup heater1/booster heater/Reserved
28
CN41
Port for anti-freeze electric heating tape
29
CN42
Port for anti-freeze electric heating tape
30
CN29
Port for anti-freeze electric heating tape
31
IC39
EEPROM
Midea CAC Confidential
M thermal Split
202004
37
2.3 Main PCBs for Refrigerant System, Inverter Module
Figure 4-2.2:
KHA-06(08,10)RY1
outdoor unit main PCB for refrigerant system
4 5 6
7
8 9
10
3
2
1
11
12
13
14
15
16
17
18
19
27 26
25 24 23
22 21 20
Midea CAC Confidential
Split
Содержание KMK-60RY1
Страница 1: ...SERVICEMANUAL SPLIT TYPE HEAT PUMP R32...
Страница 2: ...Split...
Страница 4: ...M thermal Split 2 202004 Midea M thermal Split Service Manual Midea CAC Confidential Split...
Страница 8: ...M thermal Split 6 202004 Midea M thermal Split Service Manual Midea CAC Confidential Split...
Страница 18: ...M thermal Split Midea M thermal Split Service Manual 16 202004 Midea CAC Confidential Split...
Страница 41: ...M thermal Split 202004 39 Midea CAC Confidential Split...
Страница 42: ...M thermal Split 40 202004 Midea M thermal Split Service Manual Midea CAC Confidential Split...
Страница 113: ...Split...
Страница 114: ...kaisai com...