UTR-BP54A Less than 60
UTR-BP90A More than 61 or more
UTR-BP54R Less than 60
UTR-BP90R More than 61 or more
Model Max. connectable indoor units
UTF-Y90A4A 4
UTF-Y54A1A 1
Type Model Total model code of connectable indoor unit
Heat pump
Heat recovery
UTR-HD906A 3 6
UTR-HD908A 7 8
UTR-HD906R 3 6
UTR-HD908R 7 8
Type Model
Connectable indoor units
Cooling only
Heat pump
Heat recovery
RB (REFRIGERANT BRANCH) UNIT
SEPARATION TUBE
Above units are required during heat recovery operation.
HEADER
Cooling only