Water-cooled Heat Recovery DC Inverter VRF
12
4.2.5.11 Piping between indoor branches (“l”)
Rated capacity of the downstream
indoor units C(kW)
Size of connection pipe between indoor branch
Gas pipe mm(in.)
Liquid pipe mm(in.)
C
≤9500
Φ9.52(3/8)
Φ6.35(1/4)
9500
＜
C
≤17100
Φ12.7(1/2)
Φ6.35(1/4)
17100
＜
C
≤48500
Φ15.9(5/8)
Φ9.52(3/8)
4.2.6 Connection method cooling capacity of IDU exceeds 48500Btu/h
When the cooling capacity of connected IDU exceeds 48500Btu/h, it is prohibit connecting with
only one branch of mode exchanger; it should use two branches of the same mode exchanger
controlled for parallel connection.
Parallel connection
Indoor unit Communication
connection for mode exchanger
Remarks
Indoor unit No.1 and
No.2
“1D1 1D2”
Parallel connection should be conducted only from the
combination of this table. It is prohibit connecting in
any other way. Attention that after connection, SA2 of
mainboard should be set manually, and change the
code at the first place as follow.
Indoor unit No.3 and
No.4
“3D1 3D2”
-
Indoor unit No.5 and
No.6
“5D1 5D2”
-
Indoor unit No.7 and
No.8
“7D1 7D2”
-
Fig.4.2.5
Connecting method is as shown as below
Fig.4.2.6
Содержание GMV-WQ120WM/A-F
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