Allowable Length And Drop Height Of Connecting Pipe; Installation Of Piping Adapter (Fxa2A-D And Fxa3A-D) - Gree FXA2A-D Owner's Manual

BU Module

5.2 Allowable Length and Drop Height of Connecting Pipe

The sorts
Total length between outdoor unit and
Total length
Maximum
between indoor
allowable
unit and BU
length
Between indoor unit and BU module
Between indoor unit and the 1st branch
Between outdoor and indoor units
Maximum
Between outdoor units and BU
allowable
Between BU and BU modules
length
Between indoor and indoor units
Minimum Between outdoor and the 1st branch
allowable
Between BU and the branch
length
BU module should be placed within the level between the outdoor unit and indoor unit.

5.3 Installation of Piping Adapter (FXA2A-D and FXA3A-D)

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.
Install 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(Optional accessories)
Fig. 16 (8 indoor units)
Table 7
BU modules
MULTI48HP230V1AO
MULTI56HP230V1AO
12
The pipes
L1+L2+L3+L4+L5
1A+1B+1C+2A+2B+2C+
3A+3B
1A;1B;1C;2A;2B;2C;3A;3B
L4+1B;L2+L5+2A;
L2+L3+3B
H1
H2
H3
H4
L1
L3;L4;L5
Length m
55
80
90
15
40
30
30
15
15
5
as possible
as short