
BTH ULTRA Electric Boilers Installation & Operation manual (Revision: June 2015) 2
Table des matières
Section 1: Technical specifications...............................................................................................................4
Table 1: Technical data on boilers operating at 240 Vac /1ph1: ..................................................................4
Table 2 : Boiler connections and dimensions (12-24 KW)............................................................................5
Table 3 : Boiler connections and dimensions (27-36 KW)............................................................................5
Section 2: INTRODUCTION..........................................................................................................................6
2.1 LOCAL INSTALLATION REGULATIONS ..........................................................................................6
2.2 CORROSIVE ENVIRONMENT...........................................................................................................6
2.3 INSPECTION UPON RECEPTION ....................................................................................................6
2.4 TO BE CHECKED ..............................................................................................................................6
Section 3: INSTALLATION............................................................................................................................7
3.1 SAFETY MEASURES.........................................................................................................................7
3.2 LOCATION..........................................................................................................................................7
3.3 CLEARANCES ...................................................................................................................................7
Table 4: Boiler Clearances............................................................................................................................7
3.4 PIPING INSTALLATION.....................................................................................................................8
3.4.1 Type of installation ......................................................................................................................8
3.4.2 Boiler piping connection............................................................................................................11
Local codes may dictate the type of pipe to be used for the connections..........................................11
Install isolating valves to facilitate maintenance.................................................................................11
3.4.3 Pressure relief valve..................................................................................................................11
3.4.4 Expansion tank..........................................................................................................................11
3.4.5 Water pressure regulator...........................................................................................................11
3.4.6 Air eliminator..............................................................................................................................11
3.4.7 Circulating pump .......................................................................................................................11
Table 5: Temperature rise vs flow rate (GPM)............................................................................................11
3.4.8 Drain valve.................................................................................................................................11
3.4.9 Strainer......................................................................................................................................11
3.4.10 Dual Energy piping..................................................................................................................12
3.5 ELECTRIC CONNECTIONS ............................................................................................................12
3.5.1 Main Electric supply ..................................................................................................................12
3.5.2 Electrical supply of External accessories..................................................................................13
3.5.3 Outdoor temperature sensor .....................................................................................................13
3.5.4 Connecting the thermostat and pump.......................................................................................13
3.5.4 Dual-energy connection with an auxiliary boiler........................................................................14
Section 4: ADJUSTMENT OF THE CONTROLLER...................................................................................16
4.1 INTRODUCTION ..............................................................................................................................16
4.2 DISPLAYED INFORMATION ...........................................................................................................16
4.3 OPERATION OF THE INTERFACE.................................................................................................17
4.4 OPERATION IN “FIXED BOILER TEMPERATURE SET POINT” ...................................................17
4.5 OPERATION WITH “OUTDOOR RESET”: ......................................................................................17
4.6 PURGE DELAY OF THE PUMP ......................................................................................................18
4.7 AUTOMATIC HEATING SHUT DOWN ............................................................................................18
4.8 CONFIGURATION OF THE CONTROLLER....................................................................................18
4.9 ADJUSTMENTS OF THE TARGET TEMPERATURE BY THE USER:...........................................20
4.10 BOOST SYSTEM OPERATION.....................................................................................................20
4.11 OPERATION IN DUAL-ENERGY:..................................................................................................21
Section 5: START UP OPERATION...........................................................................................................22
5.1 PREPARATORY STEP....................................................................................................................22
5.2 STARTUP & INSPECTION...............................................................................................................22
5.3 COMPLEMENTARY CHECKS ON DUAL-ENERGY INSTALLATIONS..........................................22