GIWEE C4OU-D36HR4-D01 - Connection Pipe Diameter

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Difference in height between
indoor units
Max. 5m
Triple split
Total length
Max.45m
Difference in height between
indoor and outdoor units
Max.10m
Difference in height between
indoor units
Max. 5m
Quadruple split
Total length
Max.60m
Difference in height between
indoor and outdoor units
Max.10m
Difference in height between
indoor units
Max. 5m
Quintuple split
Total length
Max.75m
Difference in height between
indoor and outdoor units
Max.10m
Difference in height between
indoor units
Max. 5m
8.4 Connection pipe diameter
Indoor unit
Liquid
Gas
Accessories
7K/9K/12K
φ6.35
φ9.52
/
18K
φ6.35
φ12.7
Adapter
24K
φ9.52
φ15.88
Adapter component
1. For 7K/9K/12K indoor unit:
(1) For one 7K/9K/12K indoor unit gas/liquid pipe, it should connect to the same group gas/liquid
pipe.
eg. Connect to Group A gas/liquid pipe together, as figure shown below.
(2) The Group number of copper pipe, it should be the same as communication wire group number.
2. For 18K indoor unit:
For gas pipe connection, adapter and sealed copper gasket should be used, change the pipe connector
diameter of outdoor unit from 9.52mm to 12.7mm, and connector diameter of indoor unit is 12.7mm.