Installation Manual

BU Module
3
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,storeroomand etc.
2.1 Names of Main Parts
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a) FXA2A-D b) FXA3A-D
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c) RFX12A d) RFX13A
NO.
ķ ĸ Ĺ ĺ
Name
Gas piping of indoor unit
side
Liquid piping of indoor
unit side
Electrical
equipment plate
Hanger
metal
NO.
Ļ ļ Ľ ľ
Name
Liquid piping of outdoor
unit side
Gas piping of outdoor unit
side
Drain hole
Printed
circuit board
Fig. 1
2.2 Combinations for Outdoor and Indoor Units
Table 1
Sorts FXA2A-D and RFX12A FXA3A-D and RFX13A
Min 1 1
No. of connectable indoor units
Max 2 3
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