Installation, Maintenance and User Manual - 10/2014
19
SUPERCROMO Series
NATURAL GAS
U.M.
3001
3002
4001 4002 5001
5002
8001
8002
DIAMETER NOZZLE
mm
1,45/1,70
1,75/1,80
1,85
2,10
2,30
2,45/3,30
PRINTED REFERENCE
--
053
054
055
056
057
025
Table 5
-
GAUGED NOZZLES GAS NATUALE
L.P.G. U.M.
3001
3002
4001 4002 5001
5002
8001
8002
DIAMETER NOZZLE
mm
0,8/0,95
1,0/1,05
0,95/1,25
1,1/1,3
1,2/1,35
1,5/3,2
PRINTED REFERENCE
--
050
058
059
060
061
038
Table 6
– GAUGED NOZZLES L.P.G.
2.4 CONVERSION TO ANOTHER TYPE OF GAS
This operation must be carried out only by
qualified personnel
.
After the completion of the calibration it is necessary to seal the screws of the valve’s regulation..
For conversion to a type of gas different from the one for which the unit was originally pre-set proceed as
follows:
CONVERSION FROM NATURAL GAS TO L.P.G.
1. Cut off electricity and gas supply.
2. Remove the casing from the frame and disconnect grounding cable.
3. Replace the burner nozzle with the one needed for L.P.G. (see paragraph 2.3 “REPLACEMENT OF THE
BURNER INJECTOR“).
4. Safely tighten the pressure regulator ”B” (see Figure 24, Figure 25 or Figure 26).
5. Carry out a new regulation of the system as indicated in the previous paragraph.
6. Replace the label reporting the type of gas for which the unit was originally pre-set with another label
indicating the type of gas actually used.
7. Connect the grounding cable and replace the unit external shell.
CONVERSION FROM LPG TO NATURAL GAS
1. Cut off electricity and gas supply.
2. Remove the external shell from the frame and disconnect grounding cable.
3. Replace the burner nozzle with the one needed for natural gas (see paragraph 2.3 “REPLACEMENT OF
THE BURNER INJECTOR“).
4. Carry out a new regulation of the system as indicated in the previous paragraph.
5. Replace the label reporting LPG with a new one indicating natural gas.
6. Connect the grounding cable and replace the unit external shell.
WARNING
WARNING