ECO ULTRA Electric Boiler
Installation, Use and Care Manual
(Revision June 2017)
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2.
Table of contents
Section 1 : TECHNICAL SPECIFICATIONS ......................................................................................................................................... 3
1.1POWER AND DIMENSIONS ...................................................................................................................................................... 3
1.2 BUFFER TANK ......................................................................................................................................................................... 4
1.3 STORAGE TANK ...................................................................................................................................................................... 4
1.4 HYDRAULIC SEPARATOR ....................................................................................................................................................... 4
1.5 BACK UP BOILER ..................................................................................................................................................................... 4
1.5.1 Autonomous electrical mode ............................................................................................................................................. 4
1.5.2 Automatic transfer mode ................................................................................................................................................... 4
Section 2 : INTRODUCTION ................................................................................................................................................................ 5
2.1 LOCAL INSTALLATION REGULATIONS .................................................................................................................................. 5
2.2 CORROSIVE ATMOSPHERE ................................................................................................................................................... 5
2.3 SHIPMENT INSPECTION ......................................................................................................................................................... 5
2.4 TO VERIFY ............................................................................................................................................................................... 5
Section 3 : INSTALLATION .................................................................................................................................................................. 6
3.1 SAFETY MEASURES................................................................................................................................................................ 6
3.2 LOCATION ................................................................................................................................................................................ 6
3.3 CLEARANCES .......................................................................................................................................................................... 6
3.4 PIPING INSTALLATION ............................................................................................................................................................ 7
3.5 BOILER COMPONENTS ........................................................................................................................................................... 7
3.6 SYSTEM SETUP ..................................................................................................................................................................... 12
3.6.1 Connecting the boiler ...................................................................................................................................................... 12
3.6.2 Flow-check valve ............................................................................................................................................................. 12
3.6.3 Pressure relief valve ........................................................................................................................................................ 12
3.6.4 Expansion tank ................................................................................................................................................................ 12
3.6.5 Water pressure regulator ................................................................................................................................................. 12
3.6.6 Automatic Air Vent ........................................................................................................................................................... 12
3.6.7 Heating pump .................................................................................................................................................................. 13
3.7 BOILER WIRING: .................................................................................................................................................................... 13
3.7.1 Main power supply .......................................................................................................................................................... 13
3.7.2 Heating pump wiring ........................................................................................................................................................ 13
3.7.3 Outdoor temperature sensor ............................................................................................................................................ 13
3.7.4 Room thermostat wiring ................................................................................................................................................... 13
3.7.5 Automatic transfer mode wiring ...................................................................................................................................... 14
3.8 WIRING DIAGRAMS ............................................................................................................................................................... 16
Section 4 : ADJUSTMENT OF THE CONTROLLER ........................................................................................................................... 18
4.1 INTRODUCTION ..................................................................................................................................................................... 18
4.2 DISPLAYED INFORMATION ................................................................................................................................................... 18
4.3 OPERATION OF THE INTERFACE ........................................................................................................................................ 19
4.4 OPERATION IN “FIXED BOILER TEMPERATURE SET POINT” ............................................................................................ 19
4.5 OPERATION WITH “OUTDOOR RESET”: .............................................................................................................................. 19
4.6 PURGE DELAY OF THE PUMP .............................................................................................................................................. 20
4.7 AUTOMATIC HEATING SHUT DOWN .................................................................................................................................... 20
4.8 CONFIGURATION OF THE CONTROLLER ............................................................................................................................ 20
4.9 ADJUSTMENTS OF THE TARGET TEMPERATURE BY THE USER: .................................................................................... 22
4.10 BOOST SYSTEM OPERATION............................................................................................................................................. 22
4.11 OPERATION IN AUTOMATIC TRANSFER MODE: ............................................................................................................... 23
Section 5 : START UP OPERATION .................................................................................................................................................. 24
5.1 PREPARATORY STEP ........................................................................................................................................................... 24
5.2 STARTUP & INSPECTION ...................................................................................................................................................... 24
5.3 COMPLEMENTARY CHECKS ON AUTOMATIC TRANSFER MODE ..................................................................................... 24
Section 6 : MAINTENANCE ................................................................................................................................................................ 25
6.1 INTRODUCTION ..................................................................................................................................................................... 25
6.1 AT ALL TIMES ........................................................................................................................................................................ 25
6.2 EVERY 6 MONTHS ................................................................................................................................................................. 25
6.3 YEARLY INSPECTION ............................................................................................................................................................ 25
Section 7 : TROUBLE SHOOTING ..................................................................................................................................................... 26
7.1 TROUBLE SHOOTING TABLE................................................................................................................................................ 26
7.2 SPARE PARTS ....................................................................................................................................................................... 28
Section 8 : OPTION DHW HEAT EXCHANGER ................................................................................................................................. 31
ECO ULTRA
LIMITED WARRANTY ................................................................................................................................................... 40