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SUPPLY GAS PRESSURE CHECK
- Turn the main system switch "off"
- Access the module and identify the unit you want to check (it is
not necessary to do it for all the units)
- Loosen by about two turns the pressure inlet screw (1) up-
stream of the gas valve and connect the pressure gauge
- Power the thermal module by setting the system's and the ap-
pliance's master switches to "On".
- Press the MENU key, select "System test" and press ● to con-
firm.
Menu
"
"
Domestic Hot Water (DHW)
"
Information
"
"
Settings
"
"
System Test
"
"
"
- select the unit between "Master" and "Dep1 ... N"
System Test
"
"
Boiler
"
"
- select "Max. power" with the ▲ / ▼ keys and press ● to con-
firm. The fan starts turning at its maximum speed (which can
vary based on the model).
System Test
"
"
Test State
"
"
Fan Speed
"
"
Ionisation
"
"
DESCRIPTION
Wobbe index
Nominal supply pressure
After the checks:
- select "OFF" with the ▲ / ▼ keys and press ● to confirm.
- Disconnect the pressure gauge and tighten again the pres-
sure test point screw (1) upstream from the gas valve.
System Test
"
"
Test State
"
"
Fan Speed
"
"
Ionisation
"
"
- After completing the operations, close the module doors.
Managing
"
"
High Power
"
"
0
rpm
"
"
0.0 μA
G20
G30
G31
45,7
80,6
70,7
MJ/m
3
20
28-30
37
mbar
Off
"
"
0
rpm
"
"
0.0 μA
67
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