34
3062347_0309
- Continue with adjusting of the control unit subject to gas type
- Adjusting the nozzle pressure
- Identification
1.
Nozzle change:
- Switch OFF the boiler at the ON/OFF switch and
isolate it from the power supply
- Remove the casing lid of the gas fired boiler. For this,
pivot the control unit lid down, hook in the r.h. and l.h.
turnbuckle, undo the lower casing lid and unhook at
the top
- Close the gas valve, observe all safety instructions
and crack open the gas fittings at the gas manifold
- Remove fixing screw
- Pull out the gas manifold
- Undo all burner nozzles (spanner size 7) at the gas
manifold
- Insert new burner nozzles with new gaskets
- Reassemble the boiler in reverse order
Table: Number of nozzles, nozzle size
Boiler
No. of nozzles
Natural gas H
LPG/propane
Nozzle ID
Nozzle
Ø mm
Nozzle ID
Nozzle
Ø mm
CGU-2(K)
18
090
0.90
060
0.60
CGU-2(K)
24
090
0.90
060
0.60
CGG-2(K)
18
087
0.87
057
0.57
CGG-2(K)
24
087
0.87
057
0.57
Conversion to other gas types
CGU-2(K) / CGG-2(K)
Fixing screws
Gas fitting
Gas manifold
The conversion to other gas types is made in four steps:
1. Nozzle replacement
2. Adjusting the control unit after converting the gas type
3. Checking and adjusting the nozzle pressure
4.
Identification
Note
Carry out all steps, otherwise there is a risk of
incorrect functions or system damage.
Содержание CGG-2-18
Страница 64: ...64 3062347_0309 Notes ...