30
lockout timer has expired, the control resumes normal
operation.
During inducer operation, including all operating modes
except for the null test, the control monitors the pressure
sensor output for expected values. The control limits
tolerances of the target pressures. In response to a
lockout. After the lockout timer has expired, the control
resumes normal operation.
preset level.
NOT
5 minutes. After that time, the control continues to monitor
Under some conditions, the fuel or air supply can create a
into the heat exchanger.
exceeded its set point. The control de-energizes the gas
valve, energizes the inducer to the pre-purge setting and
closed, the control resumes normal operation. The control
The control operational parameters are stored in ID Plug
valid ID plug present to operate in heating mode. If a valid
The cooling delays are ignored in this operating mode.
valid ID plug installed.
any lockout.
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