Owner's Guide - Trane

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2. Check the operation of the gas ignition system. a. Turn the unit on and off at the thermostat to be sure the ignition control and spark electrode are operating. b. Turn off the gas supply with the unit operating to verify that the gas valve closes and that a re-ignition cycle is initiated by the ignition control. 3. Check the burner manifold ...

  Trane, Ignition