
4. Table of codes for connected indoor
Total capacity of the indoor units (HP):
5. Precautions for globe valve operation
■ Please do not open the globe valve after the (extension) accessory pipes are vacuumized on the spot.
Otherwise, lubricating oil would flow out of the compressor. Also, the compressor might get damaged
because of insufficient lubrication.
■ Before opening the globe valve, please fill all the additional refrigerants in the field (extension) accessory
pipes, so that the pressure of these pipes is the same as that of the outdoor unit. Normally, please fill the
additional refrigerants in the side of the gas pipe through the service opening on the globe valve at the gas
pipe side.
■ Please follow the diagram below to connect the accessory pipes and operate the globe valve.
■ Be sure not to connect A with B until all the accessory pipes are properly welded.
Address Indoor unit model Location of the indoor unit Address Indoor unit model Location of the indoor unit
0 24
1 25
2 26
3 27
4 28
5 29
6 30
7 31
8 32
9 33
10 34
11 35
12 36
13 37
14 38
15 39
16 40
17 41
18 42
19 43
20 44
21 45
22 46
23 47
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