10.4.1 General guidelines
N
10.4.2 Installation of refrigerant piping, leak test, vacuuming
before electrical installation is done (regular installation
method)
N
NN
N
N
N
N
10.4.3 Installation of refrigerant piping, leak test, vacuuming
after electrical installation is done on any indoor or
outdoor unit
N
N
NN
N
N
N
NN
NOTICE
NOTICE
N
N
NOTICE
N
N
N
10.4.4 Setup
1
2
3
4 N
5
6
7
8
T 9
10
11
12
13
1
15
16
4
A
B
C
Which valves? State of valves
N
T
T
1
2 3
4
5
6
A
B
C
9
8
7
10 10 10
11
14
15
16
12
13
NOTICE
N
N
N
10.4 Leak test and vacuum drying
N
N
N
N
N
N
N
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