Hello,
Trying to wire the new primary to a furnace that DOES NOT have a traditional fan limit switch but rather has an electronic fan timer on a Honeywell circuit board (ST9103). There is NO "FAN LIMIT" in this system, but rather a circuit board with the fan controls as part of the board. Need help.
Thanks.
Richard
Trying to wire the new primary to a furnace that DOES NOT have a traditional fan limit switch but rather has an electronic fan timer on a Honeywell circuit board (ST9103). There is NO "FAN LIMIT" in this system, but rather a circuit board with the fan controls as part of the board. Need help.
Thanks.
Richard
source https://hvac-talk.com/vbb/showthread.php?2224190-Honeywell-ST9103-electronic-timer-amp-R7284-oil-primary&goto=newpost
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