Wolf CGU-2 K 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
- Undo all burner nozzles (spanner size 7) at the gas mani-
fold
- Insert new burner nozzles with new gaskets
- Reassemble the boiler in reverse order
Boiler No. of nozzles
CGU-2(K) 18
CGU-2(K) 24
CGG-2(K) 18
CGG-2(K) 24
Table: Number of nozzles, nozzle size
- 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
WOLF Klima- und Heiztechnik GmbH · Eduard-Haas-Str. 44 · 4034 Linz · Tel. 0732/385041-0 · Internet: www.wolf-heiztechnik.at
3062253_0309
Instructions for conversion to other
gas types CGU-2(K) / CGG-2(K)
1. Nozzle replacement
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.
Natural gas H
Nozzle ID
090
090
087
087
Subject to technical modifications.
Fixing screws
Nozzle Ø mm Nozzle ID
0,90
0,90
0,87
0,87
Gas manifold
Gas fitting
LPG/propane
Nozzle Ø mm
060 0,60
060 0,60
057 0,57
057 0,57
3