Installation Of Piping Adapter (Rfx12A And Rfx13A) - Gree FXA2A-D Owner's Manual

Table 8
NO. Name
1 15.9 19.05
2 9.52 12.7
3 9.52 15.9
4 6.35 9.52
2) Install the piping adapter
Refer to the piping connection size of the outdoor unit and indoor units, the appropriate piping
adapter should be adopted.
Align the flared end of copper tube with the center of pipe joint. Tighten the nuts with hands.
3) Sealing the unconnected port
If the port of BU module indoor side does not connected to one indoor unit, the port must be
sealed to prevent refrigerant leaks. Please
wrench until you hear a "click".

5.4 Installation of Piping Adapter (RFX12A and RFX13A)

If the piping connection size of BU module does not match with that of the outdoor unit and
indoor units, it should prevail with the piping connection size of the outdoor unit and indoor units.
Braze the optional piping adapters to the BU module, so that the piping connection size of BU
module can match with that of the outdoor unit and indoor units.
1) Piping adapter(Standard accessories)
Port A Port B
(mm) (mm)
15.9 19.05
9.52 12.7
9.52 15.9
6.35 9.52
Fig. 18
tighten the flaring nuts of the
13
BU Module
Fig. 17
unconnected port with torque