THERMO 2000 MINI BTH - Table of Contents

Electric boilers MINI BTH Installation & Operating Manual (Revision: May 2015), 2
Table of contents
Section 1 : TECHNICAL SPECIFICATIONS ................................................................................................. 3
Table 1 : Ratings & Specifications at 208 & 240
1
Vac / 1ph ..................................................................... 3
Table 2 : Boiler connections and dimensions ........................................................................................... 3
Section 2 : INTRODUCTION......................................................................................................................... 4
2.1 LOCAL INSTALLATION REGULATIONS .......................................................................................... 4
2.2 CORROSIVE ENVIRONMENT........................................................................................................... 4
2.3 INSPECTION UPON RECEPTION .................................................................................................... 4
2.4 TO BE CHECKED .............................................................................................................................. 4
Section 3 : INSTALLATION........................................................................................................................... 5
3.1 SAFETY MEASURES ......................................................................................................................... 5
3.3 CLEARANCE ...................................................................................................................................... 5
3.4 BOILER WATER CONNECTIONS ..................................................................................................... 6
3.4.1 Flow check valve ......................................................................................................................... 7
3.4.2 Pressure relief valve .................................................................................................................... 7
3.4.3 Expansion tank ............................................................................................................................ 7
3.4.4 Water pressure makeup regulator ............................................................................................... 7
3.4.5 Air eliminator................................................................................................................................ 7
3.4.6 Circulating pump ......................................................................................................................... 8
3.4.7 Drain valve ................................................................................................................................... 8
3.4.8 Strainer ........................................................................................................................................ 8
3.5 ELECTRICAL CONNECTIONS .......................................................................................................... 8
3.5.1 Main boiler supply ....................................................................................................................... 8
3.5.2 Electrical supply of External accessories .................................................................................... 9
3.5. Thermostat(s) and pump(s) connections ...................................................................................... 9
Section 4: START UP OPERATION ........................................................................................................... 12
4.1 PREPARATORY STEP .................................................................................................................... 12
4.2 TEMPERATURE CONTROL ADJUSTMENT ................................................................................... 12
4.3 INSPECTION AFTER STARTUP ..................................................................................................... 12
Section 5: MAINTENANCE ......................................................................................................................... 13
5.1 INTRODUCTION .............................................................................................................................. 13
5.1.1 At all time ................................................................................................................................... 13
5.1.3 Annually ..................................................................................................................................... 13
5.2 REPLACEMENT PARTS .................................................................................................................. 14
MINI BTH LIMITED WARRANTY................................................................................................................ 15
Figure 1 : Dimensions ................................................................................................................................... 3
Figure 2 : Mounting positions ........................................................................................................................ 6
Figure 3 : Typical installation on radiant heating floor .................................................................................. 6
Figure 4 : Typical installation on high temperature application ..................................................................... 7
Figure 5 : multiple pumps zoning .................................................................................................................. 9
Figure 6 : Motorized valves zoning ............................................................................................................. 10
Figure 7 : Wiring diagram (3-9 KW) ............................................................................................................ 11
Figure 8 : Wiring diagram (12 KW) ............................................................................................................. 11
Figure 9 : Replacement parts (Front) .......................................................................................................... 14
Figure 10 : Replacement parts (top) ........................................................................................................... 14