I think you may need a service checker on this system to diagnose further, VRV is exactly what it means 'variable' so it might use one HEX or two dependant
You've a twin split and VAM unit, connect P1-P2 from local control to VAM P1-P2 and then to one FCU P1-P2 that you decide is master unit out of twin split,
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Re: Daikin vrv 11 2005 model RXYSQ6M can someone help
Probably looking for a dedicated heat / cool master indoor unit
Asbolute 21-10-2017, 11:37 AM