Mitsubishi Electric G-50A Instruction Book

Mitsubishi Electric Air-conditioner Network System
Central Controller
Model: G-50A
Instruction Book
Before using the controller, please read this Instruction Book carefully to ensure proper
operation. Keep this manual for future reference.
Contents
1. Safety precautions ...................................................... 1
2. Product features ......................................................... 2
3. Functions .................................................................... 4
3-1 Specifications .................................................. 4
3-2 Display Screen ................................................ 8
4. User operation ......................................................... 10
4-1 Operation condition monitor ......................... 11
4-2 Operation setting .......................................... 12
4-2-1 Group operation setting ........................ 12
4-2-2 Collective operation setting .................. 16
4-3 Timer operation ............................................ 19
4-4 Malfunction ................................................... 23
4-5 Current time setting ...................................... 24
5. Initial setting ............................................................. 25
5-1 Shifting to initial setting menu ...................... 25
5-2 M-NET address setting ................................ 25
5-3 Function setting ............................................ 26
5-4 Group configuration setting .......................... 27
5-5 Interlocked operation setting ........................ 29
5-6 Group name setting ..................................... 31
5-7 User setting .................................................. 34
5-8 IP address setting ........................................ 35
5-9 Initial setting tools connection function ........ 35
6. Maintenance ............................................................ 36
6-1 Refrigerant system monitor .......................... 36
6-2 Malfunction log monitor ................................ 37
7. External input / output function ................................ 38
7-1 External input function ................................. 38
7-2 External output function ............................... 39
Appendix 1: Initial setting (abridged) ............................. 40
Appendix 2: User operation (abridged) ......................... 42
G-50A
ON/OFF
CENTRAL CONTROLLER
WT03945X02_En_Cover 07.3.23, 8:11 PM1

Mitsubishi Electric G-50A Specifications

General

Category	Controller
Manufacturer	Mitsubishi Electric
Model	G-50A
Type	Programmable Logic Controller (PLC)
Input Voltage	24 V DC
Program Memory	8 KB
Communication Ports	RS-485
Operating Temperature	0°C to 55°C
Dimensions	130 mm