cod. 3541T630 - Rev. 03 - 05/2020
66
EN
DORA
200 HT - 260 HT
1. INTRODUCTION ..............................................................................................................................................67
1.1 Products ..........................................................................................................................................................................67
1.2 Disclaimer ........................................................................................................................................................................67
1.3 Copyright .........................................................................................................................................................................68
1.4 Available versions and configurations
............................................................................................................................. 68
2. HANDLING AND TRANSPORT .....................................................................................................................68
2.1 Receipt.............................................................................................................................................................................68
3. CONSTRUCTION CHARACTERISTICS .........................................................................................................70
3.1 Dimensional data .............................................................................................................................................................71
3.2 Technical characteristics .................................................................................................................................................. 72
4. IMPORTANT INFORMATION ..........................................................................................................................73
4.1 Compliance with European regulations ........................................................................................................................... 73
4.2 Casing protection rating .................................................................................................................................................. 73
4.3 Operating limits ................................................................................................................................................................73
4.4 Operating limits ...............................................................................................................................................................73
4.5 Basic safety rules.............................................................................................................................................................74
4.6 Information on the refrigerant used ................................................................................................................................. 74
5. INSTALLATION AND CONNECTIONS ...........................................................................................................74
5.1 Preparation of place of installation .................................................................................................................................. 74
5.2 Securing to the floor
.........................................................................................................................................................75
5.3 Aeraulic connections........................................................................................................................................................75
5.4 Securing and connections of DORA ................................................................................................................................ 77
5.5 Plumbing connections .....................................................................................................................................................77
5.6 Electrical connections ..................................................................................................................................................... 78
5.7 Wiring diagram.................................................................................................................................................................80
6. DESCRIPTION OF USER INTERFACE AND OPERATION OF EQUIPMENT ...............................................81
6.1 Turning the water heater on and off and unlocking the buttons ....................................................................................... 82
6.2 Setting the clock ..............................................................................................................................................................82
6.3 Setting time bands ...........................................................................................................................................................82
6.4 Setting the hot water set-point ......................................................................................................................................... 82
6.5 Operating mode ...............................................................................................................................................................83
6.6 Additional functions..........................................................................................................................................................84
6.7 Control of equipment via APP .......................................................................................................................................... 84
6.8 Faults/protection ..............................................................................................................................................................89
7. COMMISSIONING ...........................................................................................................................................90
7.1 Query, editing operating parameters ............................................................................................................................... 90
8. TROUBLESHOOTING .....................................................................................................................................93
8.1 Power board fuse replacement ........................................................................................................................................ 94
8.2 Heating element safety thermostat reset ......................................................................................................................... 94
9. MAINTENANCE ...............................................................................................................................................95
9.1 Sacrificial anode check/replacement
............................................................................................................................... 95
9.2 Boiler emptying ...............................................................................................................................................................95
10. DISPOSAL .......................................................................................................................................................96
11. PRODUCT SHEET ..........................................................................................................................................96