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INDEX
1 General Details .............................................. 4
1.1 General warnings and safety rules 4
1.2 Description of system components 8
1.3 Accessories 9
1.4 Identification 9
2 Preliminary indications ................................. 10
2.1 Combinations of outdoor/indoor units 10
2.2 Unit dimensions 12
2.3 Master and slave units 12
2.4 Operating range 13
2.5 Dimensions of the connection pipe 13
2.6 Length of refrigeration piping 14
3 Installation ...................................................... 15
3.1 Preliminary warnings 15
3.2 Receiving the product 15
3.3 Handling 15
3.4 Dimensions of the installation area 17
3.5 Specifications for fixing 18
3.6 Ducting of outdoor unit 19
3.6.1 Transverse ducting 21
3.6.2 Longitudinal ducting 21
3.7 Disassembly of panels 22
4 Refrigerant piping .......................................... 23
4.1 Installation of the refrigerant piping 23
4.1.1 Sizing of the refrigerant piping 26
4.2 Thermal insulation of the pipes 33
5 Electrical connections ................................... 35
5.1 Preliminary information 35
5.2 Power supply line 38
5.3 Communication bus network 40
6 Starting up the system .................................. 43
6.1 Flushing the pipes. 43
6.2 Gas leak test 43
6.3 Vacuum operation 44
6.4 Charging with refrigerant 45
7 Special functions ........................................... 47
7.1 Configuration of the dip-switches 47
7.1.1 Controller type 47
7.1.2 Static pressure 47
7.1.3 Silent mode 48
7.1.4 Outdoor unit address 48
7.1.5 Outdoor unit capacity 49
7.1.6 Priority mode 49
7.1.7 Addressing mode 50
7.1.8 Number of indoor unit 50
7.1.9 Network address 50
7.2 Digital display 51
7.2.1 Menu mode 52
7.2.2 System control mode 53
7.2.3 Output digital display 54
7.2.4 Error codes 54
8 Start-up ........................................................... 55
8.1 Start-up preparations 55
8.2 Commissioning 55
8.3 VRF system addressing procedure in
AUTOMATIC mode 56
9 Maintenance ................................................... 57
10 Disposal .......................................................... 58
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