Question:
For MRV system, i want to use HC-SA164DBT to each MRV system and use HC-LA1CDBT to control all MRV systems. What do I need to do?
Answer:
First you need to prepare a gateway HA-MA164AD or HA-MA1ADB.If use HA-MA164AD, you can connect any one of the controller from BUSA/BUSB on outdoor unit board, and connect HA-MA164AD from P/Q of outdoor unit then connect another controller from U1 of HA-MA164AD.If use HA-MA1ADB, you can firstly connect HA-MA1ADB from P/Q of outdoor unit, and then connect HC-SA164DBT from A4/B4 of HA-MA1ADB and connect HC-LA1CDBT from A5/B5 of HA-MA1ADBNote: If want to use two and above central controllers to one MRV system, gateway is necessary. And please make sure you select the correct communication protocal for different controller
