2
CONTENTS
1 - INTRODUCTION ...................................................................................................................................................................4
1.1 - Installation safety considerations ............................................................................................................................................................................4
1.2 - Equipment and components under pressure .....................................................................................................................................................5
1.3 - Maintenance safety considerations ........................................................................................................................................................................5
1.4 - Repair safety considerations ......................................................................................................................................................................................6
2 - PRELIMINARY CHECKS ........................................................................................................................................................7
2.1 - Check equipment received ........................................................................................................................................................................................7
2.2 - Moving and siting the unit .........................................................................................................................................................................................7
3 - DIMENSIONS, CLEARANCES ...............................................................................................................................................9
3.1 - BW10 020-045 - standard unit...................................................................................................................................................................................9
3.2 - BW10 020-045 - unit with top connections (option 274) ................................................................................................................................9
3.3 - BW10 020-045 - unit with evaporator hydronic module (option 116) .................................................................................................... 10
3.4 - BW10 020-045 - unit with condenser hydronic module (option 270) ..................................................................................................... 10
3.5 - BW10 020-045 - unit with evaporator/condenser hydronic modules (options 116 + 270) ............................................................. 10
3.6 - BW10 020-045 - unit with hydronic module and top connections (options 116 + 274 - 270 + 274 - 116 + 270 + 274) ....... 11
3.7 - BW10 020-045 - stackable unit (option 273) ..................................................................................................................................................... 11
3.8 - BW10 050-090 - standard unit................................................................................................................................................................................ 12
3.9 - BW10 050-090 - unit with top connections (option 274) ............................................................................................................................. 12
3.10 - BW10 050-090 - unit with evaporator hydronic module (option 116) .................................................................................................. 13
3.11 - BW10 050-090 - unit with condenser hydronic module (option 270) ................................................................................................... 13
3.12 - BW10 050-090 - unit with evaporator/condenser hydronic modules (options 116 + 270) ........................................................... 13
3.13 - BW10 050-090 - unit with hydronic module and top connections (options 116 + 274 - 270 + 274 - 116 + 270 + 274) ..... 14
3.14 - BW10 050-090 - stackable unit (option 273) .................................................................................................................................................. 14
4 - PHYSICAL AND ELECTRICAL DATA BW10 ........................................................................................................................15
4.1 - Physical data BW10 .................................................................................................................................................................................................... 15
4.3 - Physical data BW10 units with hydronic module ........................................................................................................................................... 16
4.4 - Electrical data BW10 ................................................................................................................................................................................................. 16
4.5 - Short-circuit stability current (TN system*) - standard unit (with main disconnect switch) ........................................................... 16
4.6 - Electrical data, optional hydronic module ......................................................................................................................................................... 17
4.7 - Compressor usage and electrical data table ..................................................................................................................................................... 18
5 - APPLICATION DATA ...........................................................................................................................................................18
5.1 - Operating limits ........................................................................................................................................................................................................... 18
5.2 - Operating range BW10 ............................................................................................................................................................................................. 19
5.4 - Minimum chilled water flow ................................................................................................................................................................................... 19
5.5 - Maximum chilled water flow .................................................................................................................................................................................. 19
5.6 - Variable flow ................................................................................................................................................................................................................. 19
5.7 - Water flow rate ............................................................................................................................................................................................................. 19
5.8 - Minimum water volume ........................................................................................................................................................................................... 19
5.9 - Maximum water loop volume (evaporator and condenser side) .............................................................................................................. 20
5.10 - Expansion tank .......................................................................................................................................................................................................... 20
5.11 - Protection against cavitation (option 116) ..................................................................................................................................................... 20
5.12 - Plate heat exchanger pressure drop (includes internal piping) .............................................................................................................. 21
6 - ELECTRICAL CONNECTION ...............................................................................................................................................22
6.1 - Electrical connections, control box BW10 ......................................................................................................................................................... 22
6.2 - Power supply ................................................................................................................................................................................................................ 22
6.3 - Voltage phase imbalance (%) ................................................................................................................................................................................. 22
6.4 - Recommended wire sections ................................................................................................................................................................................. 22
7 - WATER CONNECTIONS ......................................................................................................................................................23
7.1 - Operating precautions .............................................................................................................................................................................................. 23
7.2 - Water connections ...................................................................................................................................................................................................... 24
7.3 - Frost protection ........................................................................................................................................................................................................... 24
7.4 - Flow switch (units without hydronic module) ................................................................................................................................................. 24
8 - NOMINAL WATER FLOW CONTROL WITH FIXED-SPEED PUMP ....................................................................................25
8.1 - General ........................................................................................................................................................................................................................... 25
8.2 - Water flow control procedure ............................................................................................................................................................................... 25
9 - NOMINAL WATER FLOW CONTROL WITH VARIABLE-SPEED PUMP ..................................................................................27
9.1 - Pump flow/pressure curve ...................................................................................................................................................................................... 27
Содержание BW10 020-090
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