Split type outdoor unit
B
MODE
D
E
F
H
350
307
321
605
A
Pipe dimension and ways of installation
Allowed length and height drop
Please refer to refrigerant pipe connection for detail
。
Outdoor pipe dimension and ways of install (in sequence of cooling capacity
）
Outdoor Unit
Indoor Unit
Longest PipeL
Oil Return
Remove objects and water
Additional refrigerant charge
Liquid pipe diameter
Additional charge for 1m pipe(R410A)
Before installing refrigerant pipe, please clean the pipe in case of foreign objects.
Use high-pressure nitrogen to clean the pipe instead of outdoor refrigerant.
The additional charge is base on the diameter and length of outlet/inlet liquid type .
This AC has been charged with that for 5m pipe, those beyond 5 m should recharge as follows.
1/4
φ
″
0.022kg
0.054kg
1/2
φ
″
0.110Kg
Additional charge for 1m pipe(R22)
0.030kg
0.060kg
0.120Kg
REFRIGERANT PIPE INSTALLATION
Copper Pipe for Air Conditioner
Pipe Material
Size(mm)
Gas side
Liquid side
Model
18K
24K
36/42K
6.35(7/16inch)
9.52(5/8inch)
12.7(3/4 inch)
6.35(7/16inch)
15.88(7/8inch)
9.52(5/8inch)
Allowed value
Longest pipe (L)
50m
30m
Height drop between indoor
and outdoor unit H
Maximum
height drop
Conventional pipe, cooling capacity 48000Btu/h
≥
Allowed value
Longest pipe(L)
30m
15m
Height drop between indoor
and outdoor unit
Maximum
height drop
Conventional pipe, cooling capacity18000~36000Btu/h
3/8
φ
″
A
B
C
780
516
314
845
574
348
375
342
358
700
Figure of body size
Additional charge for 1m pipe(R22)
0.016kg
0.040kg
0.096Kg
Unit:
910
607
390
421
910
607
390
421
378
804
378
804
mm
436
858
436
1010
660
462
494
1010
660
462
494
391
391
440
440
858
15
845
574
348
375
342
358
700
12/18K
24K
3
0
K
36K
48K
42K
55K
