2
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