CoolMaster DIP Switch Positioning

CoolMaster DIP switches config

1.How to set dip switches for changing manufacturer compatibility

Type 1 2 3 4
Mitsubishi OFF OFF OFF OFF
Daikin ON OFF ON OFF
Sanyo/Toshiba/Hitachi OFF ON OFF ON

2.How to set dip switches for non VRV eqipment

This dip switch is only used for non VRF Daikin and Mitsubishi HVAC systems (split, mini-split, multi-split).
Only in case, where there is no measured voltage on the air conditioning communication line (4), all 4 pins should be changed to position “1”. After changing the dip switch position, CoolMaster should be restarted, and DC voltage should be measured on the green plug (5).

IMPORTANT!

Improper use of the dip switch for DC Power output may harm the CoolMaster!

 

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