1. INTRODUCTION ..............................................................................................................................................69
1.1
Products ..................................................................................................................................................................... 69
1.2
Disclaimer .................................................................................................................................................................... 69
1.3
Copyright ..................................................................................................................................................................... 70
1.4
2. HANDLING AND TRANSPORT .....................................................................................................................70
2.1
Receipt ........................................................................................................................................................................ 70
3.1
Dimensional data ......................................................................................................................................................... 72
3.2
Technical characteristics ............................................................................................................................................. 74
4. IMPORTANT INFORMATION ..........................................................................................................................75
4.1
4.2
Casing protection rating ............................................................................................................................................. 75
4.3
Operating limits ........................................................................................................................................................... 75
4.4
Operating limits .......................................................................................................................................................... 75
4.5
Basic safety rules ........................................................................................................................................................ 76
4.6
5.1
5.2
Wall mounting .............................................................................................................................................................. 77
5.3
Aeraulic connections ................................................................................................................................................... 77
5.4
Securing and connections of DORA ............................................................................................................................ 78
5.5
Plumbing connections ................................................................................................................................................ 78
5.6
Electrical connections ................................................................................................................................................. 80
5.7
Wiring diagram ............................................................................................................................................................ 82
6.1
6.2
Setting the clock .......................................................................................................................................................... 84
6.3
Setting time bands....................................................................................................................................................... 84
6.4
Setting the hot water set-point..................................................................................................................................... 84
6.5
Operating mode ........................................................................................................................................................... 84
6.6
Additional functions ..................................................................................................................................................... 85
6.7
Control of equipment via APP ..................................................................................................................................... 86
6.8
Faults/protection .......................................................................................................................................................... 90
7. COMMISSIONING ...........................................................................................................................................91
7.1
8. TROUBLESHOOTING .....................................................................................................................................94
8.1
Power board fuse replacement ................................................................................................................................... 95
8.2
9. MAINTENANCE ...............................................................................................................................................96
9.1
9.2
Boiler emptying ........................................................................................................................................................... 96
10.1
Product maintenance .................................................................................................................................................. 98
11. DISPOSAL .......................................................................................................................................................99
12. PRODUCT SHEET ..........................................................................................................................................99
68
EN
cod. 3541T620 - Rev. 03 - 05/2020
DORA
90LT - 120LT