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Outdoor unit installation
Refrigerant pipe connection
NOTE:
•
The connectors used to join the indoor and outdoor
refrigeration pipes must be located outside of the wall cavity.
They cannot be located inside or within a wall cavity where
refrigerant may build up in the case of a leak.
•
Refrigeration pipe length will affect the capacity and energy
efficiency of the unit. The nominal efficiency is tested based on
the pipe length of 5 meters.
•
If the installation requires pipe length greater than the
standard 5m, then add additional refrigerant according to the
below table, which also indicates the maximum pipe length
and maximum height difference between indoor and outdoor
units.
•
Please also refer to the below table for discharge and suction
pipe diameter.
Discharge
Model
pipe
diameter
KSV25CRH
KSV25HRH
KSD25HRH
ø 6.35 (1/4")
KSV25HWH
KSD25HWH
KSV35CRH
KSV35HRH
KSD35HRH
ø 6.35 (1/4")
KSV35HWH
KSD35HWH
KSV50HRH
KSD50HRH
ø 6.35 (1/4")
KSV50HWH
KSD50HWH
KSV71CRH
KSV71HRH
KSD71HRH
ø 9.52 (3/8")
KSV71HWH
KSD71HWH
KSV90HRH
KSD90HRH
ø 9.52 (3/8")
KSV90HWH
KSD90HWH
Standard
Maximum
Suction pipe
length
length
diameter
(m)
(m)
ø 9.52 (3/8")
5
ø 12.7 (1/2")
5
ø 12.7 (1/2")
5
ø 15.9 (5/8")
5
ø 15.9 (5/8")
5
Maximum
Additonal
height
refrigerant
(m)
(g/m)
25
10
15
25
10
15
30
20
15
50
25
30
50
25
30
Kelvinator Air Conditioning Outdoor unit installation 11
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