Specifications
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CONTENTS
1 - INTRODUCTION .....................................................................................................................................................................
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1.1 - Check equipment received ...................................................................................................................................................... 4
1.2 - Installation safety considerations ........................................................................................................................................... 4
1.3 - Equipment and components under pressure ........................................................................................................................ 5
1.4 - Maintenance safety considerations ........................................................................................................................................5
1.5 - Repair safety considerations ................................................................................................................................................... 5
2 - MOVING AND SITING THE UNIT ......................................................................................................................................
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2.1 - Moving ....................................................................................................................................................................................... 6
2.2 - Siting the unit ............................................................................................................................................................................ 6
2.3 - Checks before system start-up ................................................................................................................................................ 7
3 - DIMENSIONS, CLEARANCES .............................................................................................................................................
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3.1 - 30RB 162-262 ............................................................................................................................................................................ 8
3.2 - 30RB 302-522 ............................................................................................................................................................................ 9
3.3 - 30RB 602-802 .......................................................................................................................................................................... 10
3.4 - Multiple chiller installation ................................................................................................................................................... 11
4 - PHYSICAL DATA - 30RB .....................................................................................................................................................
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5 - ELECTRICAL DATA - 30RB
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5.1 - Short-circuit stability current ................................................................................................................................................ 12
5.2 - Electrical data, hydronic module ..........................................................................................................................................13
5.3 - Compressor usage and electrical data..................................................................................................................................13
5.4 - Electric power user reserve ................................................................................................................................................... 13
6 - APPLICATION DATA ...........................................................................................................................................................
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6.1 - Unit operating range .............................................................................................................................................................. 14
6.2 - Minimum chilled water flow (units without hydronic module) ........................................................................................ 14
6.3 - Maximum chilled water flow (units without hydronic module) ....................................................................................... 14
6.4 - Variable flow evaporator .......................................................................................................................................................15
6.5 - Minimum system water volume ............................................................................................................................................ 15
6.6 - Maximum system water volume ........................................................................................................................................... 15
6.7 - Evaporator flow rate .............................................................................................................................................................. 15
7 - ELECTRICAL CONNECTION ............................................................................................................................................
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7.1 - Power supply ........................................................................................................................................................................... 16
7.2 - Voltage phase imbalance (%) ............................................................................................................................................... 16
7.3 - Power connection/disconnect switch .................................................................................................................................... 16
7.4 - Recommended wire sections ................................................................................................................................................ 16
7.5 - Field control wiring ................................................................................................................................................................ 17
7.6 - Power supply ........................................................................................................................................................................... 17
8 - WATER CONNECTIONS ......................................................................................................................................................
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8.1 - Operating precautions ...........................................................................................................................................................18
8.2 - Hydronic connections ............................................................................................................................................................ 19
8.3 - Flow control ............................................................................................................................................................................ 20
8.4 - Frost protection ...................................................................................................................................................................... 20
8.5 - Operation of two units in master/slave mode ..................................................................................................................... 20
9 - NOMINAL SYSTEM WATER FLOW CONTROL ...........................................................................................................
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9.1 - Water flow control procedure ..............................................................................................................................................21
9.2 - Pump pressure/flow rate curves ............................................................................................................................................ 22
9.3 - Available static system pressure ...........................................................................................................................................23
10 - FREE-COOLING SYSTEM (OPTION 118A) .................................................................................................................
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10.1 - Operating limits .................................................................................................................................................................... 24
10.2 - Operation .............................................................................................................................................................................. 24