purge light is on?
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  1. #1
    I just wondered what the purge light is indicating. This i s a zoned system, it is a Honeywell Zoning board and the purge light is flashing...what are the possible problems?
    thanks.

  2. #2
    Join Date
    Sep 2001
    Location
    Vancouver Canada
    Posts
    996
    If you have 2 different zones calling for 2 different modes, 1 for heat and 1 for ac. The system will purge between calls. Also some zoning will purge for a period of time after a call for either heating or cooling. Have to look in the installation manual to see what the sequence of operation is for any particular zoning control.
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