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4.
For the Service Technician
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4.13 Connecting diagram for flue gas thermostat
The flue gas thermostat is directly connected to the automatic firing device (see basic circuit diagram 4.8) at plug
X4 (motor) and X14 (limit switch).
To set parameters for flue gas thermostat, see section 4.6.1 Parameters; Flue gas thermostat or Air intake/ ex-
haust flap.