Table Of Contents - Danfoss BW05 Installation, Operation And Maintenance Instructions

Brine water heat pump with integrated hydronic modules

Table of Contents

CONTENTS

1 INTRODUCTION ................................................................................................................................................................... 4

1.1 - Installation safety considerations .................................................................................................................................................................................................................4

1.2 - Equipment and components under pressure ......................................................................................................................................................................................4

1.3 - Maintenance safety considerations ............................................................................................................................................................................................................5

1.4 - Repair safety considerations ............................................................................................................................................................................................................................5

2 PRELIMINARY CHECKS ........................................................................................................................................................ 6

2.1 - Check equipment received ..............................................................................................................................................................................................................................6

2.2 - Moving and siting the unit ...............................................................................................................................................................................................................................7

3 DIMENSIONS, CLEARANCES, WEIGHT DISTRIBUTION .................................................................................................... 8

3.1 - BW05 020-045 - unit without hydronic module (standard) .........................................................................................................................................................8

3.2 - BW05 020-045 - unit with hydronic module (option) and/or unit with option 116E (Victaulic water

connection at the top) ......................................................................................................................................................................................................................................8

3.3 - BW05 060-150 - unit with or without hydronic module ................................................................................................................................................................9

3.4 - BW05 160-300 - unit without hydronic module (standard) ......................................................................................................................................................10

3.5 - BW05 160-300 - unit with hydronic module (option)...................................................................................................................................................................10

4 PHYSICAL AND ELECTRICAL DATA...................................................................................................................................11

4.1 - Physical data ...........................................................................................................................................................................................................................................................11

4.2 - Electrical data .........................................................................................................................................................................................................................................................12

4.3 - Compressor usage and electrical data table ......................................................................................................................................................................................13

5 APPLICATION DATA ...........................................................................................................................................................14

5.1 - Operating limits BW05 .....................................................................................................................................................................................................................................14

5.2 - Operating range BW05 ....................................................................................................................................................................................................................................14

5.3 - Minimum chilled water ﬂow ........................................................................................................................................................................................................................14

5.4 - Maximum chilled water ﬂow........................................................................................................................................................................................................................14

5.5 - Variable ﬂow evaporator .................................................................................................................................................................................................................................15

5.6 - Evaporator ﬂow rate (l/s) .................................................................................................................................................................................................................................15

5.7 - Condenser water ﬂow rate (l/s) ..................................................................................................................................................................................................................15

5.8 - Minimum chilled water loop volume .....................................................................................................................................................................................................15

5.9 - Maximum water loop volume (evaporator and condenser side) .........................................................................................................................................15

5.10 - Minimum hot water loop volume ..........................................................................................................................................................................................................15

5.11 - Evaporator and condenser pressure drop curves ........................................................................................................................................................................16

6 ELECTRICAL CONNECTION ...............................................................................................................................................17

6.1 - Electrical connections .....................................................................................................................................................................................................................................17

6.2 - Power supply ..........................................................................................................................................................................................................................................................18

6.3 - Voltage phase imbalance (%) .......................................................................................................................................................................................................................18

6.4 - Recommended wire sections ......................................................................................................................................................................................................................18

7 WATER CONNECTIONS ......................................................................................................................................................20

7.1 - Operating precautions .....................................................................................................................................................................................................................................20

7.2 - Water connections ..............................................................................................................................................................................................................................................21

7.3 - Frost protection ....................................................................................................................................................................................................................................................21

7.4 - Evaporator ﬂow switch and chilled water pump interlock (units without hydronic module) ............................................................................21

8 NOMINAL EVAPORATOR WATER FLOW CONTROL .........................................................................................................23

8.1 - Water ﬂow control procedure ....................................................................................................................................................................................................................23

8.2 - Evaporator pump ﬂow/pressure curve ..................................................................................................................................................................................................24

8.3 - Available static system pressure (evaporator side) .........................................................................................................................................................................25

9 CONDENSER WATER FLOW RATE ......................................................................................................................................25

9.1 - Condenser pump ﬂow/pressure curve ..................................................................................................................................................................................................25

9.2 - Available static system pressure (condenser side) ..........................................................................................................................................................................26

10 BW05 UNIT OPERATION WITH A DRYCOOLER ..............................................................................................................26

10.1 - Operating principle .........................................................................................................................................................................................................................................26

10.2 - Auxiliary electronic analogue input and output and discrete output board (AUX1) for control of the drycooler ..............................26

10.3 - Conﬁguration of the number of fan stages and the automatic changeover of the fan stages ......................................................................27

10.4 - Fan stage assignment ....................................................................................................................................................................................................................................27

10.5 - BW05 units without evaporator and condenser pump, three-way valve conﬁguration for low outside

temperature application ............................................................................................................................................................................................................................27

10.6 - Drycooler installation .....................................................................................................................................................................................................................................31

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