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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