2 Product Introduction
The BU module of Gree Super Free Match Series is the latest branch device, which adopts the
intelligent control technology. Respond to the changes in load of the indoor units, it can coordinate
the flow rate of the refrigerant well. Otherwise, it is very compact and has a flexible choice about the
installation location, such as the ceiling of parlor, corridor, balcony,
2.1 Names of Main Parts
a) FXA2A-D
c) R F X 1 2 A
NO.
Gas piping of indoor unit
Name
side
NO.
Liquid piping of outdoor
Name
unit side
2.2 Combinations for Outdoor and Indoor Units
Sorts
No. of connectable indoor units
Liquid piping of indoor
unit side
Gas piping of outdoor unit
side
Fig. 1
Table 1
FXA2A-D and RFX12A
Min
1
Max
2
3
BU Module
storeroom
and etc.
b) FXA3A-D
d) R F X 1 3 A
Electrical
equipment plate
Drain hole
FXA3A-D and RFX13A
1
3
Hanger
metal
Printed
circuit board