Table of Contents
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CONTENTS
Page
Start-up checklist .......................................................................................................................................................................... 3
Dimensions and clearances .......................................................................................................................................................... 4
Physical and electrical data ......................................................................................................................................................... 6
Application data ............................................................................................................................................................................ 7
Operating limits .............................................................................................................................................................................. 7
Installation ..................................................................................................................................................................................... 7
Safety considerations ...................................................................................................................................................................... 7
Preliminary checks ......................................................................................................................................................................... 7
Moving and siting the unit .............................................................................................................................................................. 7
Refrigerant connections ............................................................................................................................................................... 7
Refrigerant piping diagram ............................................................................................................................................................. 8
General recommendations for field installation ............................................................................................................................. 8
Accessories ................................................................................................................................................................................... 11
Power supply ............................................................................................................................................................................... 11
Start-up ........................................................................................................................................................................................ 11
Preliminary checks ....................................................................................................................................................................... 11
Electrical checks ........................................................................................................................................................................... 11
Unit start-up .................................................................................................................................................................................. 11
Capacity control systems ........................................................................................................................................................... 11
Pressure-operated control valve ................................................................................................................................................... 11
Control setpoint ............................................................................................................................................................................ 11
Setpoint control ............................................................................................................................................................................ 11
Pressure differential ...................................................................................................................................................................... 12
Modifications ................................................................................................................................................................................ 12
Servicing refrigeration components .......................................................................................................................................... 13
General maintenance .................................................................................................................................................................... 13
Liquid refrigerant charging ........................................................................................................................................................... 13
Compressors ................................................................................................................................................................................. 13
Compressor protection circuit board (STARTERGUARD) ......................................................................................................... 14
Oil pressure safety switch ............................................................................................................................................................. 14
Compressor protection devices ..................................................................................................................................................... 14
Condenser coil .............................................................................................................................................................................. 14
Fan motor replacement ................................................................................................................................................................. 15
Fan motor protection .................................................................................................................................................................... 15
Refrigerant circuit ......................................................................................................................................................................... 15
Troubleshooting chart ................................................................................................................................................................ 16
The photo shown on the front cover is solely for information, and not contractually binding. The manufacturer reserves the right to make changes
without previous notification.
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