General notices ..................................................................................................................................... 21
1.
Technical data ..................................................................................................................................... 22
1.2
Technical characteristics ...................................................................................................................... 23
2.
Installation instructions ...................................................................................................................... 24
2.1
2.2
2.3
Installation place .................................................................................................................................. 24
2.4
Positioning ........................................................................................................................................... 24
2.5.S
Table II: gas technical data, pressure, burner nozzles, pilot and idle screw unit type:
GF4772VS with no. 2 7-litre tanks ....................................................................................................... 25
2.6.S
Table II: gas technical data, pressure, burner nozzles, pilot and idle screw unit type:
GF477S with no. 1 14-litre tank. Type: GF777S with no. 2 14-litre tank ........................................... 25
2.5.B
Table II: gas technical data, pressure, burner nozzles, pilot and idle screw unit type:
GF4772VB with no. 2 7-litre tanks ...................................................................................................... 26
2.6.B
Table II: gas technical data, pressure, burner nozzles, pilot and idle screw unit type:
GF477B with no. 1 14-litre tank. Type: GF777B with no. 2 14-litre tank .......................................... 26
2.7
Gas system connection ......................................................................................................................... 27
2.8
2.8.1
Gas units type A .................................................................................................................................... 27
2.9
2.9.1
Incoming pressure check (Pe) ............................................................................................................... 27
2.9.2
Nozzle pressure check (Pi) ................................................................................................................... 27
2.9.3
Liquid gas operation control ................................................................................................................ 27
2.10
Operation control ................................................................................................................................. 28
2.11
Introduction to users ............................................................................................................................ 28
3.
3.1
3.2
3.2.1
3.3
4.
4.1
Replacing components ......................................................................................................................... 29
INDEX
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PAGE
GB