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Installation instruction
In installation, please check specially the below items:
• If the connected units quantity and the total capacity is in the allowable range?
• If the refrigerant pipe length is in the limited range?
• If the pipe size is proper? And if the pipe is installed horizontally?
• If the branch pipe is installed horinzontally or vertically?
• If the additional refrigerant is counted correctly and weighed by the standard balance?
• If there is refrigerant leakage?
• If all the indoor power supplies can be on/off simultaneously?
• If the power voltage is in compliance with the data marked on the rating label?
• If the address of indoors and outdoors has been set?
Before installation
1) Before installation, check if the model, power supply, pipe, wires and parts purchased respectively are correct.
2) Check if the indoors and outdoors can be combined as the following.
Capacity
HP
Combination Type
(W)
8
25200
10
28000
12
33500
14
40000
16
45000
18
50400
20
56000
22
61500
24
68000
26
73500
28
80000
combination(14+14)
30
85000
combination(14+16)
32
90000
combination(16+16)
34
95400
combination(16+18)
36
100800
combination(18+18)
38
106400
combination(18+20)
40
112000
combination(20+20)
42
117500
combination(20+22)
44
123000
combination(22+22)
46
129500
combination(22+24)
48
136000
combination(24+24)
50
141500
combination(24+26)
52
147000
combination(26+26)
54
151200
combination(18+18+18)
56
156800
combination(18+18+20)
Allow the most
connected
indoor units
single
single
single
single
single
single
single
single
single
single
Indoor
The most
recommended
indoor unit
number
15
8
17
10
20
11
24
13
27
15
30
17
33
18
36
20
40
22
43
24
47
26
50
28
53
30
56
31
59
33
63
35
66
38
69
42
72
44
76
46
80
49
83
51
86
52
89
54
92
59
3
Gather pipe
Total indoor
capacity(100W)
126~328
-
140~364
-
168~436
-
200~520
-
225~585
-
252~655
-
280~728
-
308~800
-
340~884
-
368~956
-
400~1040
-
425~1105
450~1170
477~1240
504~1310
532~1383
560~1456
588~1528
HZG-20B
620~1612
648~1684
680~1768
707~1840
735~1911
756~1966
784~2038
Combined
capacity
range
50%~130%
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