Carrier AquaForce 30XB series - Page 3

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The illustrations on the front cover and inside this document are for illustrative purposes only and not part of any offer for
sale or contract.
CONTENTS
9 - HEAT RECLAIM CONDENSER OPTION (OPTION 50) ............................................................................................................. 50
9.1 - Physical data,30XB & XBP units with heat reclaim condenser option ......................................................................................50
9.2 - Dimensions, clearances ............................................................................................................................................................50
9.3 - Condenser location ...................................................................................................................................................................54
9.4 - Condenser water connections ...................................................................................................................................................54
9.5 - Operating limits for stable operation (no mode changeover) ....................................................................................................54
9.6 - Operating limits for changeover between modes ..................................................................................................................... 54
9.7 - Flow control ............................................................................................................................................................................... 55
9.8 - Heat reclaim operation ..............................................................................................................................................................55
9.9 - Condenser pump selection........................................................................................................................................................55
9.10 - Frost protection .......................................................................................................................................................................55
10 - FANS WITH AVAILABLE PRESSURE (OPTION 10) ................................................................................................................56
11 - MAJOR SYSTEM COMPONENTS AND OPERATION DATA .....................................................................................................57
11.1 - Direct-drive twin-screw compressor with variable capacity slide valve ................................................................................... 57
11.2 - Pressure vessels ..................................................................................................................................................................... 57
11.3 - High-pressure safety switch .................................................................................................................................................... 58
11.4 - Condensers ............................................................................................................................................................................. 58
11.5 - Fans ......................................................................................................................................................................................... 58
11.6 - Electronic expansion valve (EXV) ........................................................................................................................................... 59
11.7 - Moisture indicator .................................................................................................................................................................... 59
11.8 - Filter drier ................................................................................................................................................................................ 59
11.9 - Sensors ................................................................................................................................................................................... 59
11.10 - Service valve (option 92) ....................................................................................................................................................... 59
11.11 - Power factor correction capacitors (option 231) ....................................................................................................................59
12 - MAIN OPTIONS ......................................................................................................................................................................... 61
13 - STANDARD MAINTENANCE .................................................................................................................................................... 63
13.1 - Level 1 maintenance ...............................................................................................................................................................63
13.2 - Level 2 maintenance ...............................................................................................................................................................63
13.3 - Level 3 (or higher) maintenance..............................................................................................................................................63
13.4 - Tightening torques for the main electrical connections ...........................................................................................................63
13.5 - Tightening torques for the main bolts and screws ................................................................................................................... 64
13.6 - Condenser coil ........................................................................................................................................................................64
13.7 - Evaporator maintenance .........................................................................................................................................................65
13.8 - Compressor maintenance .......................................................................................................................................................65
13.9 - Precaution for compressor power supply bus bar connection.................................................................................................66
13.10 - Check of power factor correction capacitors .........................................................................................................................66
14 - START-UP CHECKLIST FOR 30XB LIQUID CHILLERS (USE FOR JOB FILE) .....................................................................67