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Instruction manual TWI 35-130 G/TWI 45-190 G 31
Legends
Not mentioned numbers are not
applicable.
1. screws
2. cover plate
3. sealing cap
4. CO
2
setting screw
5. setting hole
Gas control
3.11.1 Checking procedure
1. Position the probe of the CO
2
-gauge into the ue gas discharge duct of
the concentric venturi tube.
2. Open the gas supply and bleed the air from the gas system.
3. Switch on the voltage of the device using the main switch of the device.
4. Turn the thermostat clockwise until the device starts up.
5. After the red light is lit, wait for about 2 minutes before reading the
CO
2
-gauge.
If the CO
2
-value does not correspond with the value given in the table
(3.4.3 “gas data”), you can adjust the CO
2
-value following the procedure
(3.11.2 “Adjust the CO
2
-value”).
IMD 0535 R0