Midea MKG Series Technical & Service Manual page 16

Main PCB port description:
No. Bit No.
1 CN10
2 CN29
3 CN14
4 CN11
5 CN6
6 CN7
7 CN16
8 CN2
9 CN31
10 CN3
11 CN32
12 CN8
13 CN18
14 CN15
15 CN21
16 CN20
17 CN9
18 CN22
19 CN23
20 CN27
21 CN25
22 CN12
23 CN19
24 CN26
25 CN13
26 CN33
27 CN28
AC Fan Coil Unit Two-pipe Wall-mounted Series
Description
POWER: Mains input
CAN: Cooling and heating 2-way/3-way valve null line Standard
ACN: Cooling and heating 2-way/3-way valve null line Reserved
PUMP: Water pump output port
VALVE-H: Heating 2-way/3-way valve live line
VALVE-C: Cooling 2-way/3-way valve live line
N: Null line output port for AC fan
L: Low fan speed output port for AC fan
M: Medium fan speed output port for AC fan
H: High fan speed output port for AC fan
HH: Super-high wind profile reserved port for AC fan
SWING: Swing motor port
T2C: Refrigerating pipe temperature sensor port
ON/OFF: Remote on/off port
T1: Room temperature sensor port
T2H: Heating pipe temperature sensor port
WATER: Water level switch port
DISPLAY：Display panel docking port (nine pin)
Dial code small board docking port
E - side program burning port
DEBUG: Main control program burn port
PQE: Modbus communication port
XYE: Centralized control communication port
TRANS OUT： 0-10V value powered linear transformer
secondary
0-10V valve control signal output
ALARM: Fault alarm output
Electrically heated N-wire control port 1
Electrically heated N-wire control port 2
Electrically heated L-wire control port 1
Electrically heated L-wire control port 2
TRANS IN: 0-10V valve powered linear transformer
primary
в наших моделях -
- 15 -
Remarks
Standard
Reserved (the
whole machine
cannot be realized)
Customized
Standard
Standard
Standard
Standard
Standard
Standard
Customized
Reserved (the
whole machine
cannot be realized)
Standard
Standard
Standard
Standard
ВІДСУТНІЙ
Standard
Customized
Customized
Customized
Customized
Customized
Customized
Customized
Customized