Midea LSBLG MCF Series User Manual

Flooded type water cooled screw chiller (MIC) MCAC-CTSM-2018-1
60
2) Remote control wiring
The wiring ports for remote start/stop, flow switch, water pump linked control, alarm indication, and so
on,. are reserved in the electrical cabinet of the unit, with the numbers shown in the diagram below.
Remote start/stop switch needs to use inching switch.
Lamp input 220VAC.
3) PC connection
Nowadays PC system (such as BMS) is becoming more and more popular. Midea water-cooled screw
chiller has reserved a RS485 interface using the MODBUS protocol.
(1) PLC units PC connection
PC connection wiring
Notes for PLC unit PC communication:
Bit rate: 19200 Transmission bit：8 Stop bits: 1 Parity check: even
(2) MIC units PC connection
PC connection wiring
Notes for MIC unit PC communication
Bit rate: 9600 Transmission bit：8 Stop bits: 1 Parity check: no
Only double head
Inside electric control cabinet
Customer wiring terminal
Inside electric
control cabinet
Remote Start
Pump intermediate relay
Refrigeration
lamp
1
2
3
4
5
6
7
8
Remote Stop
Flow switch
1
2
13
14
15
16
17
18
19
20
21
22
23
24
1# alarm lamp
2# alarm lamp
Computer data collection port
Computer data collection port

Midea LSBLG MCF Series Specifications

General

Brand	Midea
Model	LSBLG MCF Series
Category	Chiller
Language	English