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CONTENTS
START-UP CHECK LIST ................................................................................................................................................................ 3
PHYSICAL DATA ............................................................................................................................................................................ 4
ELECTRICAL DATA (3 PHASE, 50 HZ) ...................................................................................................................................... 4
OPERATING LIMITS ....................................................................................................................................................................... 4
Standard refrigerant line diameters (inches) ....................................................................................................................................... 4
DIMENSIONS, mm ........................................................................................................................................................................... 5
Service clearance, mm ...................................................................................................................................................................... 11
Centre of gravity coordinates (mm - approx.) .................................................................................................................................. 12
Weight distribution (kg - approx.) .................................................................................................................................................... 13
FAN CURVES (STANDARD) ...................................................................................................................................................... 14
SAFETY CONSIDERATIONS ...................................................................................................................................................... 21
Unit transport, lifting and handling .................................................................................................................................................. 22
UNIT INSTALLATION ................................................................................................................................................................. 22
Repositioning unit air discharge ....................................................................................................................................................... 26
ELECTRICAL CONNECTIONS ................................................................................................................................................... 28
MASTER LINK I ELECTRONIC CONTROL ............................................................................................................................. 29
REFRIGERANT LINE CONNECTIONS ..................................................................................................................................... 31
Connection between units ................................................................................................................................................................. 31
Refrigerant piping design ................................................................................................................................................................. 31
Pipe diameter calculation procedure ................................................................................................................................................. 32
Refrigerant charge ............................................................................................................................................................................ 34
OIL RECHARGE ........................................................................................................................................................................... 34
START-UP ...................................................................................................................................................................................... 35
Initial checks ..................................................................................................................................................................................... 35
UNIT COMPONENTS ................................................................................................................................................................... 35
Description of unit protection devices .............................................................................................................................................. 35
GENERAL MAINTENANCE ....................................................................................................................................................... 36
Servicing recommendations .............................................................................................................................................................. 37
Compressor replacement .................................................................................................................................................................. 37
FINAL RECOMMENDATIONS ................................................................................................................................................... 39
TROUBLESHOOTING CHART ................................................................................................................................................... 39