Before Installation - Mitsubishi Electric MAC-397IF Installationshandbuch

2. Before Installation

2.1. How to Use the Remote Control Interface
I Functions
Centralized control (Fig. 2-1)
You can turn multiple air conditioners on and off from one location. (MAC-821SC-E (8-Room))
Use as wired remote control (Fig. 2-2)
You can use the MA remote controller as a wired remote control. (PAR-20MAA)
Remote control (Fig. 2-3)
You can turn an air conditioner on and off by connecting the ON/OFF contact point from a remote location.
Status indicator output (Fig. 2-4)
You can drive control the relay with either of the on/off or error/ok status output signals.
I Sample System Configuration
Fig. 2-1
Fig. 2-3
2
4
Fig. 2-2
6
5 7
Fig. 2-4
1 Centralized controller
2 Remote control interface
3 RAC
4 MA remote controller
3
2
3
5 Contact point
6 Relay
7 Coil
8 Breaker
3