GMV5 HR Heat Recovery Cooling and Heating Mode Exchanger
15
4
）
Support the connection pipe with bracket.
5
）
The degree of curvature of pipeing can’t be too small, otherwise, the pipe may be broken.
Installer should use pipe bender to bend the pipe.
6
）
When connecting indoor unit and connection pipe, do not pull the big joint and small joint of
indoor unit forcibly. Otherwise, capillary or other pipes of indoor unit may be broken, which will
lead to leakage.
4.2.2 Selection of Y-type branch
If connect outdoor unit to multiple mode exchanger, the Y-type branch should be adopted.
（1）
Y-type branch
Fig 4.2.2
（2）
Y-type branch has several pipe sections with different size, which facilitates to match with
various copper pipes. Use pipe cutter to cut in the middle of the pipe section that is of proper
size and remove burrs as well. See the following figure.
（3）
Y-type branch must be installed vertically or horizontally.
Fig 4.2.3
Y-type branch
Total capacity of downstream indoor
unit(s) (X)
Model
X
≤
200
FQ01A/A
200
＜
X
≤
300
FQ01B/A
300
＜
X
≤
700
FQ02/A
700
＜
X
≤
1350
FQ03/A
1350
＜
X
FQ04/A
