Adjustments - Beretta POWER MAX 50 P DEP Installation And Operation Manual

3 6 Adjustments

The thermal module POWER MAX is supplied for operation
with G20 (methane gas), as indicated by the type plate,
and has already been factory-calibrated by the manufac-
turer.
However, if it is necessary to repeat the adjustments, for
example after non-scheduled maintenance, replacing the
gas valve or after transformation from G20 gas to G30-G31
gas, or vice versa, proceed as described below.
b
Adjustments to maximum and minimum power must
be performed in the indicated sequence and only by
Technical Assistance Centre.
Before making the regulation:
- remove the locking screw
- pull the front panel outwards and then to the top to
decouple it from points A.
CO2 ADJUSTMENT AT MAXIMUM POWER
- Enter the menu "0000", select Par. 0200 and
press"MENU/RESET" to confirm.
- Select "Hi" by using "PROG +" and "PROG -" and
press "MENU/RESET" to confirm.
- the appliance will operate at maximum power.
- unscrew the cap (1) and insert the combustion
analyser sensor
- set the CO2 with a screwdriver on the regulation
screw (2) placed on the gas valve, thus reaching the
value reported on the table.
Gas type
G20 - G25
G30 - G31
A
A
CO2% maximum power
8.8-9.2
10.2-10.6
CO2 ADJUSTMENT AT MINIMUM POWER
- Select "Lo" using "PROG +" and "PROG -" and press
"MENU/RESET" to confirm.
- the appliance will operate at minimum power.
- Adjust the CO2 using a screwdriver on the adjust-
ment screw (3) on the fan unit, so as to obtain a value
listed in the table.
Gas type
G20 - G25
G30 - G31
Versions POWER MAX 50 P DEP - POWER MAX 80 P
1
3
2
Versions POWER MAX 100 - POWER MAX 150
2
CO +
2
3
CO +
2
CHECKING THE CALIBRATION
Select "Hi", wait for the stable regime to be reached and
make sure that CO values
ones.
After the checks:
- select "OFF" using "PROG +" and "PROG -" and press
"MENU/RESET" to confirm.
- remove the analyser sensor and carefully retighten
the cap (1)
- place back the front panel and lock the locking screw.
CO2% minimum power
8.8-9.2
10.2-10.6
CO +
CO +
2
2
3
2
are the same as the requested
2
47