Wolf CGU-2 Instrucciones página 3

The conversion to other gas types is made in four steps:
Nozzle replacement
- 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 shut-off valve, observe all safety instructions
and unscrew the gas fittings at the gas manifold
- Remove fixing screws
- Pull out the gas manifold
- Reassemble the boiler with new gas manifold in reverse
order.
Number of nozzles, nozzle size
Boiler Number of nozzles
CGU-2(K)
CGU-2(K)
Number of nozzles, nozzle size
Boiler Number of nozzles
CGG-2(K)
CGG-2(K)
- Continue with adjusting the control unit subject to gas type
- Adjust the nozzle pressure
- Identification:
Complete the label and affix next to the type plate
For this, obtain relevant details from the installation and maintenance instructions.
Wolf GmbH · Postfach 1380 · 84048 Mainburg · Tel. 08751/74-0 · Fax 08751/741600 · Internet: www.wolf-heiztechnik.de
3062253_0511
Instructions for conversion to other
gas types CGU-2(K) / CGG-2(K)
1. Change of gas manifold
2. Adjusting the control unit after converting the gas type
3. Checking and adjusting the nozzle pressure
4. Identification
Carry out all steps, otherwise there is a risk of incorrect function or system
NB
damage.
Nozzle ID
18 090
24 090
Nozzle ID
18 087
24 087
Subject to technical modifications.
Fixing screws
Natural gas H
Nozzle Ø mm
0,90
0,90
Natural gas H
Nozzle Ø mm
0,87
0,87
Gas manifold
Gas fitting
LPG / propane
Nozzle ID Nozzle Ø mm
060 0,60
060 0,60
LPG / propane - butane/propane
Nozzle ID Nozzle Ø mm
16 x 057 16 x 0,57
2 x 060 2 x 0,60
22 x 057 22 x 0,57
2 x 060 2 x 0,60
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