Miller mercury thermostat to Honeywell RTH7600 thermostat

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Old 02-07-17, 10:55 AM
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Miller mercury thermostat to Honeywell RTH7600 thermostat

Here's the old mercury thermostat.
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And here's the new digital one.
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I think I've hooked it up right.

And programming the digital one, for the
0170 function, do I just select 7: heat pump with back up/ AUX heating?

Does anyone know from the pics if we have a heat/cool multiple stages?

And for 0190 do I select 0 or 1?

Thanks in advance for any help.
 

Last edited by PJmax; 02-07-17 at 11:08 AM. Reason: reoriented, enhanced pictures
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Old 02-07-17, 11:09 AM
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The connections are correct. I'm checking the programming features.
You have single stage heating and cooling with back up AUX heat.


170----- 7
180----- 1
190 stays 0
240 is cycle rate...... try 7 to start.
270 is em heat cycle rate..... same as 240
300 stays 0
 

Last edited by PJmax; 02-07-17 at 11:31 AM.
 

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