57
Description of the Main-board Port definition
No. Port
Port description
1
L/N/G
AC Power Input
2
SV3
Liquid Jetting to compressor 1
3
SV10
Drain the oil from compressor 2
4
SV9
Drain the oil from compressor 1
5
SV1
Balance pressure(Load-OFF)
6
4WV
Hot and cold switching
7
HEAT1
Heating band of compressor 1
8
HEAT2
Heating band of compressor 2
9
HPS2
High pressure switch of compressor 2
10
HPS1
High pressure switch of compressor 1
11 Ps
Low pressure sensor
12 Pd
High pressure sensor
13 Td1
Exhaust temperature of compressor1
14 Td2
Exhaust temperature of compressor2
15 Tdef1
Detect the defrosting temp
16 Tao
Ambient temperature
17 Toil2
Detect the oil temp. of compressor 2
18 Toil1
Detect the oil temp. of compressor 1
19 Toci1/Ts
Detect SH temp. in heating
20 LEVA1
SH control in heating
21 LEVA2
SH control in heating
22 DC12V
Output DC12V
23 BT
Output DC5V/Communication
24 P/Q
Indoor/outdoor unit com. port
25 A/B/C
Outdoor unit com. port
26 Bus-B/A
Centralized control port
27 Stop
Emergency stop port
28 ZIGBEE
Wireless module com. port
29 INV-COM INV module com. port
30 Low Power Low standby power consumption
31 BM1
Outdoor and indoor searching
Outdoor address setting
32 BM2
Wireless communication
33 BM3
HP setting of outdoor units
34 BM4
Set the control address
35 SW4/5/6/7 Special function control keys
36 DC12V
Input DC12V
37 L/N
AC Power Input
38 SV32
Liquid jetting to compressor 2
39 4WV2
Hot and cold switching
40 4WV3
Hot and cold switching
41 Toci2
Detect SH temp. in heating
42 Tdef2
Detect the defrosting temp
43 Tx Rx
Input DC5V/communication
44 Tliqsc/Tsco
Detect SH temp. of subcooler
45 LEVB
Contral subcooler
Note:
B:Black G:Green W:White BL:Blue R:Red Y:Yellow
The component in the dotted box is used for 16 to 22HP
6. Wiring diagram
L1'
L1
L2'
L2
L3'
L3
N
U
V
W
CN10
CN1
CN2
CN3
CN7
CN8
CN9
1
2
3
1
2
3
CN21
15V
DCP
P
N
CN4
CN5
CN6
INV Module 1
COMP1
W
V
U
Power:3N
~,
380
V,50/60Hz
L1
L2
L3
N
R
S
T
Reactor 1
1 2 3
1 2 3
1 2 3
1 2 3 4
SV10
CN8 W
1 2 3 4
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1
2
1
2
6
5
4
3
2
1
6
5
4
3
2
1
CN20 LE
VA1
R
CN21 LE
VA2
R
4
3
2
1
4
3
2
1
2
1
2
1
Fuse
T5.0A-250
VAC
1
2
3
4
CN18
1
1
2
2
3
CN46
P Q
CN17
A B C
2
1
3
2
1
3
Toci1
Ts
4
3
2
1
3
2
1
Main board
Q
P
A
B
C
1
2
3
4
1
2
3
CN19 W
IN
V-COM
2
1
Toil1
Toil2 CN30
CN34
CN35
Td1
CN37
Td2
CN40
Tdef1
CN38
Tao
CN44
Indoor
Unit
Outdoor
Units
SW1
SW2
SW3
SMG1
SMG2
Digital tube
display
STA
RT
DOWN
ST
OP
UP
Rotate the
dial pad
BM1
ON
SW4
SW7
SW5
SW6
BM4
ON
BM3
ON
N
R
S
T
U
V
W
CN10
CN1
CN2
CN3
CN7
CN8
CN9
1
2
3
1
2
3
DCP
P
N
CN4
CN5
CN6
INV Module 2
L1'
L2'
L3'
Filter
Board 2
L1
L2
L3
COMP2
W
V
U
Reacto
r2
+
-
4
1
Capacitor
Board 2
+
-
4
1
M
M
1 2
1 2
15
V
15V
DC
540V
DC
540V
DC+
DC-
15V
1
4
1
4
1
4
1
4
1
1
2 3
3
2
COM
CN22
COM1
1
1
COM
Fan1
Fan2
White Terminal
White
Terminal
Red
Terminal
Red
Terminal
5
COM
3
2
3
2
5
COM
GND
P
5
2
3
2
3
2 3
3
2
CN21
15V
W
(
R
)
Communication
line
ZIGBEE
CN24 W
The right side of the dashed line
indicates that the double fan model
has this part; the single fan model
does not have this part.
2
1
2
1
3
2
1
3
4
2
1
3
CN6
Tdef2
CN5
Tsci
CN7
Toci2
CN8
Tsuc
6
5
4
3
2
1
CN20
LE
VA3
3
2
4
CN10 W
TX RX
1
1
CN1
N
CN2
L
1 2 3
CN18
R
SV32
CN13
Y
4WV2
CN14
BL
4WV3
2
1
3
12V
CN39
1
2
3
4
BT
CN25 W
1
2
1
3
CN9
W
12V
1
2
1
2
1
2
CN41 W
Low Power
IO Board
2
1
3
Tsco
Tliqsc
4
CN28
Communication
line
DC+
DC-
15V
GND
DC+ DC-
15V
GND
DC+ DC-
15V
GND
B
N
B
R
W
B
R
W
B
P
N
Capacitor
Board 1
P
N
Filter
Board 1
W
(
R
)
R
B
W
(
R
)
R
B
B
R
W
B
R
W
B
R
W
B
BL
SV9
CN9 R
SV1
CN10 R
4WV(1)
CN
11 BL
Heat1
CN3 G
Heat1
CN3_1 G
Heat2
CN4 G
Heat2
CN4_1 G
SV3
CN6 W
Fan1
CN5 B
PD R
CN31
PS B
L
CN27
HPS1
CN2 R
HPS2
CN1 R
W
(
R
)
B
N
P
CN13
CN13
6
5
4
3
2
1
CN22 LEVB
R
1 2 3 4
1 2 3 4
BM2
CN24
COM2
CN22
COM1
CN24
COM2
CN16
W
NL
1
3
2
4
5
6
7
8
11
12
20 21
27
28
29
9
10
24
25
26
35
34
33
31
17/18/19/44
13/14/15/16
22
23
30
36
37
38
39
40
41
42
45
32
43
Содержание MRV 5-RC VP1-112B
Страница 1: ...MRV 5 RC Service Manual SYJS 03 2019REV A Edition 2019 03 ...
Страница 3: ......
Страница 55: ...52 AV08 10 12 14IMVURA 4 Center of gravity x X 347 9587 y 471 5454 z 725 6683 y z ...
Страница 56: ...53 AV16 18 20 22IMVURA x X 650 5962 y 380 7255 z 706 5342 y z ...
Страница 106: ...103 2 Dimension 4 19 200 60 25 25 25 249 108 232 84 69 388 73 82 65 103 177 4 44 4 35 277 ...
Страница 116: ...113 2 Preparation before installation ...
Страница 130: ...127 2 Dimension 290 67 410 220 567 137 160 189 57 144 109 159 159 212 393 4 22 65 65 65 65 65 44 65 76 4 52 67 156 830 ...
Страница 162: ...159 One by one valve box PCB code 0151800186A 2 Valve box PCB photo and dip switch setting ...
Страница 165: ...162 One by four valve box PCB code 0151800466 ...