Capacities And Selection Data; Piping Length Correction Factor - Hisense AUD-09HX4SVNL Technical & Service Manual

C A P A C I T I E S A
C A P A C I T I E S A
5 .

5.2 Piping length correction factor

Indoor unit
Height difference H
The correction factor is based on the equivalent piping length in meters (EL) and the height between outdoor and indoor units
in meters (H).
H:
Height between indoor unit and outdoor unit (m).
• H>0: Position of outdoor unit is higher than position of indoor unit (m).
• H<0: Position of outdoor unit is lower than position of indoor unit (m).
L:
Actual one-way piping length between indoor unit and outdoor unit (m).
EL:
Equivalent one-way piping length between indoor unit and outdoor unit (m).
Gas Diameter
(mm/inch)
90° Elbow
Cooling ：
EL
5m
Model
9K/12K/18K 1.0
24K 1.0
36K 1.0
48K ——
60K ——
N D S E L E C T I O N
N D S E L E C T I O N
Pipe length L
Outdoor unit
9.52 12.7
(3/8')
(1/2')
0.15 0.2
7.5m 10m 15m
—— 0.98 0.96
—— 0.98 0.96
—— 0.98 0.96
1.0 0.98 0.96
1.0 0.98 0.96
D A T A
D A T A
15.88
(5/8')
0.25
20m 25m
0.94 ——
0.94 0.91
0.94 0.92
0.93 0.91
0.94 0.92
53
19.05
(3/4')
0.35
30m 35m 40m
—— —— ——
0.88 —— ——
0.90 —— ——
0.88 0.85 0.81
0.89 0.86 0.83
45m 50m
—— ——
—— ——
—— ——
0.78 0.76
0.79 0.75