2. INTRODUCTION ..............................................................................................................................................7

2.1 Products ............................................................................................................................................................................ 7

2.2 Disclaimer .......................................................................................................................................................................... 7

2.3 Language ........................................................................................................................................................................... 7

2.4 Copyright ........................................................................................................................................................................... 8

2.5 Available versions and configurations ............................................................................................................................... 8

3. HANDLING AND TRANSPORT .....................................................................................................................8

3.1 Receipt............................................................................................................................................................................... 8

4. CONSTRUCTION CHARACTERISTICS .....................................................................................................10

4.1 Dimensional data ............................................................................................................................................................. 11

4.2 Technical characteristics .................................................................................................................................................. 12

5. IMPORTANT INFORMATION .......................................................................................................................13

5.1 Compliance with European regulations ........................................................................................................................... 13

5.2 Casing protection rating .................................................................................................................................................. 13

5.3 Operating limits ................................................................................................................................................................ 13

5.4 Operating limits ............................................................................................................................................................... 13

5.5 Basic safety rules............................................................................................................................................................. 14

5.6 Information on the refrigerant used ................................................................................................................................. 14

6. INSTALLATION AND CONNECTIONS ........................................................................................................14

6.1 Preparation of place of installation .................................................................................................................................. 14

6.2 Securing to the floor......................................................................................................................................................... 15

6.3 Aeraulic connections........................................................................................................................................................ 15

6.4 Securing and connections of this appliance .................................................................................................................... 17

6.5 Hydraulic connections ..................................................................................................................................................... 17

6.6 Integration with solar thermal system (only for models EKHHE200PCV37, EKHHE260PCV37) ................................. 18

6.7 Electrical connections ..................................................................................................................................................... 19

6.8 Wiring diagram................................................................................................................................................................. 21

7. DESCRIPTION OF USER INTERFACE AND OPERATION OF EQUIPMENT .........................................22

7.1 Turning the water heater on and off and unlocking the buttons ....................................................................................... 23

7.2 Setting the clock .............................................................................................................................................................. 23

7.3 Setting time bands ........................................................................................................................................................... 23

7.4 Setting the hot water set-point ......................................................................................................................................... 23

7.5 Operating mode ............................................................................................................................................................... 24

7.6 Additional features ........................................................................................................................................................... 24

7.7 Faults/protection .............................................................................................................................................................. 26

8. COMMISSIONING ..........................................................................................................................................27

8.1 Query, editing operating parameters ............................................................................................................................... 27

9. TROUBLESHOOTING ...................................................................................................................................31

9.1 Power board fuse replacement ........................................................................................................................................ 32

9.2 Heating element safety thermostat reset ......................................................................................................................... 32

10. MAINTENANCE .............................................................................................................................................33

10.1 Sacrificial anode check/replacement ............................................................................................................................... 33

10.2 Boiler emptying ............................................................................................................................................................... 33

11. DISPOSAL ......................................................................................................................................................34

12. PRODUCT SHEET .........................................................................................................................................34

Page 2

User, Installations and Maintenance Manual

Inhaltsverzeichnis