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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 manufacturer.
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 per-
formed in the indicated sequence and only by Technical As-
sistance 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.
52
CO2 ADJUSTMENT AT MAXIMUM POWER
- Enter the menu "0000", select Par. 0200 and press"MENU/RE-
SET" 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
- adjust the CO
on the gas valve, until you reach the value shown in the table.
CO2% maximum
power
POWER MAX 50 P
DEP
POWER MAX 50 P
POWER MAX 65 P
POWER MAX 80 P
POWER MAX 100
POWER MAX 110
POWER MAX 130
POWER MAX 150
b
(*) In Belgium, Switzerland and Hungary the value must be ad-
justed to 8.6
A
by using a screwdriver to adjust the screw (2)
2
Gas type
G20
G25
G30
9
9
10,4
+0.2
+0.2
-0.2
-0.2
9
9
10,4
+0.2
+0.2
-0.2
-0.2
9
9
10,4
+0.2
+0.2
-0.4
-0.2
9
9
10,4
+0.2
+0.2
-0.4
-0.2
9
9
10,4
+0.2
+0.2
-0.4
-0.2
9
(*)
9
10,4
+0.2
+0.2
-0.4
-0.2
9
9
10,4
+0.2
+0.2
-0.4
-0.2
9
(*)
9
10,4
+0.2
+0.2
-0.4
-0.2
.
+0.6
-0.0
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 adjustment screw
(3) on the fan unit, so as to obtain a value listed in the table.
Minimum power
CO
%
2
POWER MAX 50 P
DEP
POWER MAX 50 P
POWER MAX 65 P
POWER MAX 80 P
POWER MAX 100
POWER MAX 110
POWER MAX 130
POWER MAX 150
Versions POWER MAX 50 P DEP - POWER MAX 80 P
A
Versions POWER MAX 100 - POWER MAX 150
2
CO
G31
10,4
+0.2
+0.2
-0.2
-0.2
10,4
+0.2
+0.2
-0.2
-0.2
10,4
+0.2
+0.2
CHECKING THE CALIBRATION
-0.2
-0.2
Select "Hi", wait for the stable regime to be reached and make sure
10,4
+0.2
+0.2
-0.2
-0.2
that CO values
10,4
+0.2
+0.2
-0.2
-0.2
After the checks:
10,4
+0.2
+0.2
- select "OFF" using "PROG +" and "PROG -" and press "MENU/
-0.2
-0.2
RESET" to confirm.
10,4
+0.2
+0.2
-0.2
-0.2
- remove the analyser sensor and carefully retighten the cap (1)
10,4
+0.2
+0.2
-0.2
-0.2
- place back the front panel and lock the locking screw.
G20
G25
9
9
+0.2
+0.2
-0.2
-0.2
9
9
+0.2
+0.2
-0.2
-0.2
9
9
+0.2
+0.2
-0.4
-0.2
9
9
+0.2
+0.2
-0.4
-0.2
9
9
+0.2
+0.2
-0.4
-0.2
9
9
+0.2
+0.2
-0.4
-0.2
9
9
+0.2
+0.2
-0.4
-0.2
9
9
+0.2
+0.2
-0.4
-0.2
CO
+
2
1
3
3
2
+
2
3
CO
+
2
are the same as the requested ones.
2
Gas type
G30
G31
9,9
9,9
+0.1
+0.1
-0.1
-0.1
9,9
9,9
+0.1
+0.1
-0.1
-0.1
10,4
10,4
+0.2
+0.2
-0.2
-0.2
10,4
10,4
+0.2
+0.2
-0.2
-0.2
10,4
10,4
+0.2
+0.2
-0.2
-0.2
10,4
10,4
+0.2
+0.2
-0.2
-0.2
10,4
10,4
+0.2
+0.2
-0.2
-0.2
10,4
10,4
+0.2
+0.2
-0.2
-0.2
+
CO
2
2
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