Mitsubishi Electric MAC-397IF-E Para El Instalador página 29

2.1. How to Use the MA & CONTACT Terminal Interface
• Functions
You can turn multiple air conditioners on and off from one location. (MAC-821SC-E (8-Room))
You can use the MA remote controller as a wired remote controller. (PAR-21 MAA)
You can turn on and off an air conditioner from a remote location by connecting the ON/OFF contact point.
You can control the operation of the relay with either of the on/off or error/ok status output signals.
• Sample System Configuration
Fig. 2-1
Fig. 2-3
(_) , (_) ,
Fig. 2-2
Fig. 2-4
(_) Centralized controller (_ MA remote controller
(MAC-821SC-E) G) Contact point
(D MA & CONTACT @ Relay
Terminal Interface Q Coil
(_) Indoor Unit Q Breaker
A separate AC power supply is required for centralized
controller.
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