1
7
Installation and Maintenance
Service Manual
When the outdoor unit is totally surrounded by walls, the installation space of the unit should be as required in Fig.1.
8.1.3 Piping Connection
The maximum pipe length is shown in the following table. When the distance between units (piping length) is out of the range listed
below, normal run of the unit can not be guaranteed.
Note:
①
Use water-proof insulating pipe.
②
Wall thickness of pipe: 0.5-1.0 mm;bearing pressure: 3.0MPa
③
The longer the connection pipe is, the more cooling and heating capacity will decrease.
Fig.1
＞
500
＞
1000
＞
2000
＞
500
＞
500
＞
500
＞
2000
unit:mm
M odel
Connecting Pipe (mm )
Max. Pipe length(m
)
Max. Height Dif f erence betw een
I ndoor Unit and Outdoor Unit ( m)
Liqu id
Gas
Ф 6.35
9.52
9.52
6.35
Φ
75
C
HML-U
36
RK4
C
HML-U
42
RK5
Ф
Ф
75
When the outdoor unit is above maximum
height difference between indoor and
outdoor units is up to 15m; When the indoor
unit is above,maximum height difference
between indoor and outdoor units is up to
15m.
