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User, Installations and Maintenance Manual
1. GENERAL SAFETY PRECAUTIONS ......................................................................................................................................................................3
1.1 SAFETY WARNINGS ...................................................................................................................................................................................................3
1.2 INSTALLATION CAUTION ...........................................................................................................................................................................................3
1.3 INSTALLATION WARNINGS ........................................................................................................................................................................................4
1.4 AERAULIC CONNECTIONS WARNINGS ...................................................................................................................................................................4
1.5 HYDRAULIC CONNECTIONS WARNINGS ................................................................................................................................................................5
1.6 ELECTRICAL CONNECTIONS WARNINGS ...............................................................................................................................................................5
1.7 SERVICING - MAINTENANCE - TROUBLESHOOTING WARNINGS ........................................................................................................................6
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. G3 KIT ACCESSORY ...............................................................................................................................................................................................9
5. CONSTRUCTION CHARACTERISTICS ...............................................................................................................................................................10
5.1 Dimensional data ........................................................................................................................................................................................................11
5.2 Technical characteristics.............................................................................................................................................................................................12
6. IMPORTANT INFORMATION .................................................................................................................................................................................13
6.1 Compliance with European regulations ......................................................................................................................................................................13
6.2 Casing protection rating .............................................................................................................................................................................................13
6.3 Operating limits ...........................................................................................................................................................................................................13
6.4 Operating limits ..........................................................................................................................................................................................................13
6.5 Basic safety rules .......................................................................................................................................................................................................14
6.6 Information on the refrigerant used ...........................................................................................................................................................................14
7. INSTALLATION AND CONNECTIONS ..................................................................................................................................................................14
7.1 Preparation of place of installation ............................................................................................................................................................................14
7.2 Securing to the floor
...................................................................................................................................................................................................15
7.3 Aeraulic connections ..................................................................................................................................................................................................15
7.4 Securing and connections of this appliance ...............................................................................................................................................................17
7.5 Hydraulic connections ...............................................................................................................................................................................................17
7.6 Connection the piping for domestic hot water ...........................................................................................................................................................17
7.7 Integration with solar thermal system (only for EKHHEU200PCV37 and EKHHEU260PCV37 models) ...................................................................20
7.8 Electrical connections ................................................................................................................................................................................................21
7.9 Wiring diagram ...........................................................................................................................................................................................................23
8. DESCRIPTION OF USER INTERFACE AND OPERATION OF EQUIPMENT ...................................................................................................24
8.1 Turning the water heater on and off and unlocking the buttons
..................................................................................................................................25
8.2 Setting the clock
.........................................................................................................................................................................................................25
8.3 Setting time bands ......................................................................................................................................................................................................25
8.4 Setting the hot water set-point ....................................................................................................................................................................................25
8.5 OPERATING MODE ...................................................................................................................................................................................................26
8.6 ADDITIONAL FEATURES ..........................................................................................................................................................................................26
8.7 Faults/protection .........................................................................................................................................................................................................28
9. COMMISSIONING....................................................................................................................................................................................................29
9.1 Query, editing operating parameters ..........................................................................................................................................................................29
10. TROUBLESHOOTING .............................................................................................................................................................................................33
10.1 Power board fuse replacement...................................................................................................................................................................................34
10.2 Heating element safety thermostat reset ....................................................................................................................................................................34
11. MAINTENANCE .......................................................................................................................................................................................................35
11.1 Sacrificial anode check/replacement
..........................................................................................................................................................................35
11.2 Emptyng the tank
.......................................................................................................................................................................................................35
11.3 Tank internal inspection
.............................................................................................................................................................................................35
12. DISPOSAL ................................................................................................................................................................................................................36
13. PRODUCT SHEET ...................................................................................................................................................................................................36
14. PERFORMANCE WITH THE SOLAR THERMAL SYSTEM (ONLY FOR MODS EKHHEU200PCV37 AND EKHHEU260PCV37) ...............37
14.1 Solar coil fluid: pure water
..........................................................................................................................................................................................37
14.2 Solar coil fluid: m propylene glycol 33% by volume
........................................................................................................................................38
14.3 Solar coil fluid: m propylene glycol 45% by volume
........................................................................................................................................39
