P2_GEPARD_installer manual_ work basis_EN_02 - 03/10 - protherm
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MAINTENANCE
Gas conversion13
The Panther boilers are in their basic versions designed to use
natural gas as fuel. The modifi cations required to switch to a
different fuel must be carried out by an authorised technician
with a valid manufacturer’s certifi cate.
For conversion to propane use the conversion kit for switching
from natural gas to propane gas. The kit contains all necessary
parts and instructions on how to perform the conversion.
Settings13.1
setting is performed electronically by setting on the control •
panel
pressure is measured using the U-manometer (against •
atmosphere) or other appropriate pressure gauge
before commencing setting, release the closing screw of the •
measuring point of outlet gas pressure (1) and slide on the
hose of the U-manometer
1
in the following steps proceed precisely according to the •
service guide in the chapter “Setting minimum and maximum
boiler output”, which is used upon exchange of gas valve
when setting minimum and maximum pressure use the •
relevant values (see table)
After completing setting the boiler shuts down, the hose of
the U-manometer is removed and the closing screw of the
measuring point is tightened as appropriate. The boiler is
started up and an air tightness test of the measuring points on
the gas armature is performed.
Important:
during conversion the original parts supplied by the •
manufacturer or person authorised thereby are used
setting of all elements is secured (e.g. by drop of paint)•
type of fuel for which the boiler is heretofore designated is -
indicated in appropriate manner directly on boiler
conversion, date and person performing conversion is -
recorded in the accompanying technical documentation of
the boiler
23 kW
G20
20 mbar
G31
37 mbar
MTV MOV MTV MOV
Jet diameter (mm) 1,2 1,2 0,77 0,73
Pmin (mbar) 2,5 2,2 5,2 5,2
Pmin (mm H
2
O) 25,49 22,43 53 53
Pmax (mbar) 13,0 12,0 28,0 29,6
Pmax (mm H
2
O) 132,6 122,4 288,5 301,8
Shut down boiler using main switch.
Press (menu) button and also press the main switch of the •
boiler.
Hold down the (menu) button. A point fl ashes on the display•
The parameter P00 OFF will appear on the display within •
approx. 10 seconds
Select the parameter • P01 using the (+) or (-) button
Use the MODE button to confi rm the data. After a brief period •
the boiler burns at minimum output.
Press MODE and hold for 10 seconds, with button (+) go to •
service mode 35, confi rm with MODE, then with button (+) go
to point 52
The number 50 appears on the boiler display (possible •
setting 0 – 99)
Attach U-manometer and check that the minimum gas •
pressure value corresponds to the prescribed value stated in
the table.
In the case of deviation change the minimum boiler output •
using the (+) and (–) buttons. Proceed in short steps
and always wait for the level of the water column by the
U-manometer to stabilise. The measured value most be
identical to the value stated in the table.
After setting fi nished, hold MODE for 10 seconds to confi rm.•
The P01 appears on display. Using buttons (+) or (-) set •
value 100 (maximum power). After a brief period the boiler
burns at minimum output.
Press MODE and hold for 10 seconds, with button (+) go to •
service mode 35, confi rm with MODE, then with button (+) go
to point 53
The number 20 appears on the boiler display (possible •
setting 0 – 99)
Attach U-manometer and check that the maximum gas •
pressure value corresponds to the prescribed value stated in
the table.
In the case of deviation change the maximum boiler output •
using the (+) and (–) buttons. Proceed in short steps
and always wait for the level of the water column by the
U-manometer to stabilise. The measured value most be
identical to the value stated in the table.
After setting fi nished, hold MODE for 10 seconds to confi rm •
and press MODE to fi nish the program mode.
Press the RESET button to slip to normal mode.•
Important: The value stated on the display does not represent
the value in mm/H
2
O.
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