
Supplied By www.heating spares.co Tel. 0161 620 6677
2
DOMINA PLUS F 24 - 30 E
FERELLA EXTRA F 24 - 30 MEL
Version - 09.2002
1. Technical characteristics and data ........................................................ 3
1.1 Introduction .............................................................................................................. 3
1.2 Dimensions and connections .................................................................................. 4
1.3 General view and main components ....................................................................... 8
1.4 Technical data table ............................................................................................... 10
2. Hydraulic circuit - heating ................................................................... 11
2.1 Hydraulic circuit - heating ...................................................................................... 11
2.2 Hydraulic circuit - tap water ................................................................................... 15
2.3 Gas circuit ............................................................................................................. 17
2.4 Burner unit ............................................................................................................. 21
2.5 Fume circuit .......................................................................................................... 23
2.6 Electrical circuit ..................................................................................................... 27
3. Operation ............................................................................................ 30
3.1 Operating principle ................................................................................................ 30
3.2 Operating diagram................................................................................................. 32
3.3 Control panel ......................................................................................................... 33
3.4 Adjustments........................................................................................................... 35
3.5 Operating parameter adjustment .......................................................................... 38
4. Unit self-diagnosis .............................................................................. 43