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19.3 Piping Length Correction Factor
The characteristic of the unit has to be corrected in accordance with the piping length.
19.3.1 CS-XE9WKUAW CU-XE9WKUA CS-XE12WKUAW CU-XE12WKUA
19.3.1.1 Cooling
Capacity
19.3.1.2 Heating
Capacity
Note: The graphs show the factor after added right amount of additional refrigerant.
Piping length m (ft)
C
a
pa
ci
ty
c
o
rr
ec
tion
f
a
ct
or
0.95
0.97
0.99
1.01
1.03
1.05
2
(6.5)
3
(9.8)
4
(13.1)
5
(16.4)
6
(19.6)
7
(22.9)
8
(26.2)
9
(29.5)
10
(32.8)
11
(36.0)
12
(39.3)
13
(42.6)
14
(45.9)
15
(49.2)
16
(52.4)
17
(55.7)
18
(59.0)
19
(62.3)
20
(65.6)
21
(68.8)
C
apac
ity
c
o
rr
ec
tion
fac
to
r
Piping length m (ft)
2
(6.5)
3
(9.8)
4
(13.1)
5
(16.4)
6
(19.6)
7
(22.9)
8
(26.2)
9
(29.5)
10
(32.8)
11
(36.0)
12
(39.3)
13
(42.6)
14
(45.9)
15
(49.2)
16
(52.4)
17
(55.7)
18
(59.0)
19
(62.3)
20
(65.6)
21
(68.8)
0.80
0.85
0.90
0.95
1.00
1.05
1.10
