Midea SMK-D140HHN1-3 - Page 10

High Temperature Hydro Module
8 202003
Midea
VR High Temperature Hydro Module
NO.
Port code
Port
code
Content
Port voltage
13
ST
CN23
Reserved
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14
FAN
CN24
Pot for fan
220V AC
15
OD
CN6
Port for communication with PC
2.5-2.7VDC
16
FS
CN5
Port for water flow switch
0 or 12VD
17
Twin
CN7
Port for outlet water temperature sensor
0-5V DC(varying)
18
Twout
Port for inlet water temperature sensor
0-5V DC(varying)
19
Ttank
Port for water tank temperature sensor
0-5V DC(varying)
20
T7
CN8
Port for suction pipe temperature sensor
0-5V DC(varying)
21
T2A
Port for R410a circle liquid pipe temperature sensor
0-5V DC(varying)
22
T3
Port for R134a circle liquid pipe temperature sensor
0-5V DC(varying)
23
T7C
CN9
Port for discharge pipe temperature sensor
0-5V DC(varying)
24
H-YL
CN10
Port for high pressure sensor
0-5V DC(varying)
25
L-YL
CN11
Port for low pressure sensor
0-5V DC(varying)
26
H-Pro
CN12
Port for high pressure switch
0 or 5V DC
27
EEV2
CN13
Port for electronic expansion valve 2
0 or 12V DC
28
EEV1
CN14
Port for electronic expansion valve 1
0 or 12V DC
29
L
CN1
Power supply port for main PCB (L)
220V AC
30
N
CN2
Power supply port for main PCB (N)
220V AC
31
L-1
CN4
Power supply port for inverter PCB (L)
220V AC
32
N-1
CN3
Power supply port for inverter PCB (N)
220V AC
33
DEBUG
CN30
Port for IC programming
0-5V DC(varying)
34
DSP1
DSP1
Digital display
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35
USB
CN25
USB port for IC programming
0-5V DC(varying)
36
SW4
SW4
DIP switch
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