THERMO 2000 MINI ULTRA - Default Chapter; Table of Contents

MINI ULTRA ELECTRIC BOILERS Installation and operating manual (Revision: May 2015) 2
Table of contents
Section 1: TECHNICAL SPECIFICATIONS..............................................................................................4
Table 1: Ratings & Specifications at 208 & 240**Vac / 1ph
1
.................................................................4
Table 2 : Boiler connections and dimensions .......................................................................................4
Section 2: INTRODUCTION.....................................................................................................................5
2.1 LOCAL INSTALLATION REGULATIONS.......................................................................................5
2.2 CORROSIVE ENVIRONMENT ......................................................................................................5
2.3 INSPECTION UPON RECEPTION ................................................................................................5
2.4 TO BE CHECKED .........................................................................................................................5
Section 3 : INSTALLATION .....................................................................................................................6
3.1 SAFETY MEASURES....................................................................................................................6
3.2 LOCATION....................................................................................................................................6
3.3 CLEARANCES..............................................................................................................................6
Table 3: Boiler Clearances ..................................................................................................................6
3.4 BOILER WATER CONNECTIONS.................................................................................................7
3.4.1 Pressure relief valve...............................................................................................................8
3.4.2 Expansion tank.......................................................................................................................8
3.4.3 Water pressure regulator........................................................................................................8
3.4.4 Air eliminator ..........................................................................................................................8
3.4.5 Circulating pump ....................................................................................................................8
3.4.6 Drain valve .............................................................................................................................9
3.4.7 Strainer ..................................................................................................................................9
3.5 ELECTRICAL CONNECTIONS......................................................................................................9
3.5.1 Main boiler supply...................................................................................................................9
3.5.2 Electrical supply of External accessories.................................................................................9
3.5.3 Outdoor temperature sensor...................................................................................................9
3.5.4 Thermostat(s) and pump(s) connections...............................................................................10
Section 4: ADJUSTMENTS OF THE CONTROL MODULE.................................................................... 12
4.1 INTRODUCTION......................................................................................................................... 12
4.2 DISPLAYED INFORMATION.......................................................................................................12
4.3 OPERATION OF THE INTERFACE.............................................................................................13
4.4 OPERATION IN “FIXED BOILER TEMPERATURE SET POINT”.................................................13
4.5 OPERATION WITH “OUTDOOR RESET”....................................................................................13
4.6 PURGE DELAY OF THE PUMP ..................................................................................................14
4.7 AUTOMATIC HEATING SHUT .................................................................................................... 14
DOWN .............................................................................................................................................. 14
4.8 CONFIGURATION OF THE CONTROLLER ................................................................................14
4.8.1 Adjustments of the target temperature by the user................................................................15
4.8.2 ’’Boost system operation’’ ..................................................................................................... 16
Section 5: START UP OPERATION.......................................................................................................17
5.1 PREPARATORY STEP ............................................................................................................... 17
Section 6: MAINTENANCE.................................................................................................................... 18
6.1 INTRODUCTION......................................................................................................................... 18
6.1.1 At all times............................................................................................................................18
6.1.2 Twice a year......................................................................................................................... 18
6.1.3 Annually ...............................................................................................................................18
6.2 REPLACEMENT PARTS............................................................................................................. 19
Section 7 : TROUBLESHOOTING .........................................................................................................20
Table 4: Sensors resistance value vs real temperature. ..................................................................... 21
MINI ULTRA LIMITED WARRANTY .................................................................................................... 22