New Lux thermostat doesn't have 2nd stage cooling terminal


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Old 04-07-14, 06:50 PM
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New Lux thermostat doesn't have 2nd stage cooling terminal

I bought a Lux T500U thermostat which has terminals for my 2 stage furnace but only has one terminal for my two stage Lennox M/N 10ACC-030-230-04 A/C unit. We live in Canada and don't use our A/C that often so I'm wondering...can I use this thermostat (bought it some time ago and probably can't return it). If so, would I just connect the Y1 wire to the Y1 terminal and leave the Y2 wire unconnected? Any advice is appreciated. Thanks.
 
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Old 04-07-14, 07:10 PM
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http://0190acd.netsolhost.com/manuals/10ACC_Series.pdf

That 10 SEER condenser is not a 2 speed cooling unit, so Y1 is all you need anyway.
 
 

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