79
COMMISSIONING AND MAINTENANCE
3.5
Adjustments
The thermal module
Steel Pro Power
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 exam-
ple after non-scheduled maintenance, replacing the gas valve
or after transformation from G20 gas to G30-G31 gas, or vice ver-
sa, proceed as described below.
9
Adjustments to maximum and minimum power must be
performed in the indicated sequence and only by Technical
Assistance Service.
Before making the regulation:
− access inside the module
− identify the unit on which you want to operate.
CO2 ADJUSTMENT AT MAXIMUM POWER
− Press the MENU key, select "System test" and press
●
to
confirm.
“
Menu
”
“
Domestic Hot Water (DHW)
”
“
Information
”
“
Settings
”
“
System Test
”
− Selecting "System Test" you will have the following screen:
“
System Test
”
“
Boiler
”
“
Managing
”
− Choose between "Master" or "Dep1 ... N"
− select "Max. power" with the
▲
/
▼
keys and press
●
to
confirm. The fan starts turning at its maximum speed
(which can vary based on the model).
“
System Test
”
“
Test State
”
“
High Power
”
“
Fan Speed
”
0
“
rpm
”
“
Ionisation
”
0.0 μA
− the appliance will operate at maximum power.
− unscrew the flue gas probe (1) and insert the combustion
analyzer probe
− set the CO2 with a screwdriver on the regulation screw (2)
placed on the gas valve, thus reaching the value reported
on the table.
CO2% maximum power
Gas type
G20 - G25
G30 - G31
Steel Pro Power
114-2 P/V
9 - 9
10,4 - 9,9
Steel Pro Power
140-2 P/V
9 - 9
10,4 - 9,9
Steel Pro Power
180-2 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
230-2 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
270-2 P/V
9 - 9
10,4 - 10,4
CO2% maximum power
Gas type
G20 - G25
G30 - G31
Steel Pro Power
300-3 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
345-3 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
405-3 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
460-4 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
540-4 P/V
9 - 9
10,4 - 10,4
CO2 ADJUSTMENT AT MINIMUM POWER
− Select "Min. power" with the
▲
/
▼
keys and press
●
to
confirm.
“
System Test
”
“
Test State
”
“
Low Power
”
“
Fan Speed
”
0
“
rpm
”
“
Ionisation
”
0.0 μA
− 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.
CO2% minimum power
Gas type
G20 - G25
G30 - G31
Steel Pro Power
114-2 P/V
9 - 9
10,4 - 9,9
Steel Pro Power
140-2 P/V
9 - 9
10,4 - 9,9
Steel Pro Power
180-2 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
230-2 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
270-2 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
300-3 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
345-3 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
405-3 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
460-4 P/V
9 - 9
10,4 - 10,4
Steel Pro Power
540-4 P/V
9 - 9
10,4 - 10,4
Versions 114-2 P/V ÷ 140-2 P/V
2
3
1
CO
2
+
CO
2
+
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