14
Installation Instructions
Serial No.
Mod
el
Indoor Unit 1
SKIV-07
Indoor Unit 2
SKIV-07
Indoor Unit 3
SKIV-07
Indoor Unit 4
SKIV-07
3. Example: SKOV4-28
d
4
c
3
b
a
Table 10 Indoor Unit
Table 11 Liquid Refrigerant Pipe
2
1
Fig.11
Serial No.
a
b
c
d
Diameter
Φ6.35
Φ6.35
Φ6.35
Φ6.35
Length
20
15
15
15
The total length of each liquid refrigerant pipe is: a+b+c=20+15+15+15=65m
Thus, the minimum additional refrigerant charge=(65-40)×0.022=0.55kg
(Note: no additional refrigerant is needed for the liquid pipe within 40m)
4. Additional Refrigerant Charge Record
Table 12 Indoor Unit
N
o.
Indoor Unit Model
Additional Refrigerant Refrigerant (kg)
1
2
..
..
.
N
Tot
al
Table 13 Refrigerant Pipe
Diamete
r
Total Length (m)
Additional Refrigerant Refrigerant (kg)
Φ15.9
Φ12.7
Φ9.52
Φ6.35
Total