Search: Posts Made By: hvactechfw
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06-28-13, 11:18 AM
Replies: 14
Views: 957
Posted By hvactechfw

It means you have the wrong type of thermostat...

It means you have the wrong type of thermostat installed. You can use the one you have but it must remain in heating mode and never be changed to off or cool. Even though it is in heating mode it...
06-28-13, 04:25 AM
Replies: 14
Views: 957
Posted By hvactechfw

So with the furnace set to cool. Remove the...

So with the furnace set to cool. Remove the thermostat and short the 2 wires together does the ac turn off?
06-27-13, 07:33 PM
Replies: 14
Views: 957
Posted By hvactechfw

what type of thermostat do you have? It should...

what type of thermostat do you have? It should be a heat only thermostat WITHOUT an off switch.
06-27-13, 07:32 PM
Replies: 14
Views: 957
Posted By hvactechfw

I do... but some are different. The stat is only...

I do... but some are different. The stat is only 2 wire because of the switch in the furnace for heat, off or cool. In cooling mode as set by the switch in the furnace when the 2 wires to the stat...
06-27-13, 04:15 PM
Replies: 14
Views: 957
Posted By hvactechfw

Remove the wire from the Y terminal of the...

Remove the wire from the Y terminal of the thermostat does the ac stop running? IF so, then it is a bad thermostat. If not then shut the breaker off for the FURNACE... does the outdoor unit still...
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