contents
_05
ENGLISH
contents
PREPARING THE INSTALLATION
6
6
Shape of the outdoor unit
6
Accessories
6
Optional accessories
7
Outdoor unit combination
8
Selecting appropriate location for installation
9
Space requirements
9
When installing 1 outdoor unit
9
When installing more than 1 outdoor unit
10 Moving the outdoor unit
11 Installing the outdoor unit
12
Anchor specifications
12 Installing duct for horizontal exhaust discharge
13 Installing the outdoor unit in harsh environments
14 Installing the drain pipe
INSTALLING THE UNIT
15
15 Refrigerant piping works
15
Selecting the refrigerant pipe
16
Pipe selection for DVM PLUS
IV
18
Pipe selection for DVM PLUS
IV
HR
20
Temper grade and minimum thickness of the
refrigerant pipe
20
Keeping refrigerant pipe clean and dry
20
Brazing the pipe
21
Cutting or flaring the pipes
22
Aligning the pipes
23
Free piping & wiring directions
24
Connecting the outdoor unit pipe
26
Piping works among outdoor units
27
The examples of the refrigerant pipe installation
28
Piping examples
30
Installing the branch joints
33
Installing MCU
33
Connecting the pipe
34 Wiring work
34
Specifications of the circuit breaker and power
cable
36
Power supply and communication cable
configuration
36
Specifications of the cable tube
37
Power wiring diagram
40
Selecting solderless ring terminal
41
Connecting the power terminal
42
Power cable arrangement
43
Ground cable arrangement
43
Taking wires out of the outdoor unit
44
Grounding work
45 Performing the refrigerant gas leak test
46 Vacuum drying
47 Insulating the refrigerant pipe
47
Insulating the refrigerant
47
Selecting the insulation of the refrigerant pipe
48
Insulating the refrigerant pipe
49
Insulating the branch joint
COMPLETING THE INSTALLATION AND
COMMISSIONING
51
51 Charging refrigerant
51
Important information regulation regarding the
refrigerant used
52
Service valve work for gas pipe
54 Setting the option switches & function keys
54
Option switch of the outdoor unit
55
Key function
56
MCU option switch
57 Completing the installation
58 Final checks and trial operation
58
Inspection before trial operation
59
Trial operation
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