Oct 13, 2007 ... It's our first year in a our apartment. It's a rea…...
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answers.yahoo.com/question/index?qid=20071013093546AAhq...
answers.yahoo.com/question/index?qid=20071013093546AAhqv2U
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EM only means Emergency Heat. It is ONLY on HEAT PUMP thermostats. The switch disables the contactor on the outdoor unit and turns on the suplemental electic heat. If you have one on your gas unit, and it is not equiped with a heat pump, ( ...
http://wiki.answers.com/Q/What_does_EM_heat_mean_on_the...
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AsktheBuilder.com: Electronic programmable thermostats have a switch setting called auxiliary. This setting switches the heat pump into emergency heat or electric-resistance-coil heating. This is an expensive way to heat your home and should only be done when the heat pump breaks. ... Paula C., Somerset, KY ... Thad Steward; 19 Dec 2007, 17:29...
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www.askthebuilder.com/EM0008_Heat_Pump_Thermostat_Setti...
www.askthebuilder.com/EM0008_Heat_Pump_Thermostat_Settings.shtml
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replaced thermostat - Em/AUX heat always on Home Ownership ... I then matched wires to the terminals on the new thermostat. With the new thermostat I have noticed that the aux/em heat coils are always ON when the thermostat calls for Heat. The outdoor compressor is also on (which I know is normal).
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www.diybanter.com/showthread.php?t=62144
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Aux (auxiliary)Heat. The balance point (when it can no longer efficiently transfer heat from the outside air) of an air source heat pump, is usually about 35 degrees. The thermostat senses this and automatically turns on the electric heat strips to provide the additional heat needed. ... Em (emergency) Heat.
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www.climatemakers.com/common_hvac_probs/auxemheat.htm
www.climatemakers.com/common_hvac_probs/auxemheat.htm
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[Archive] Heat Pump Thermostat 7-wire system Gas and Oil Home Heating Furnaces ... I have a 1994 Rheem 1 stage cool, 2 stage heat system. In summary the system is a heat pump. The heat pump can be used to cool or heat the house. The 2nd stage of heat is electric. In wiring a new Lux 1 stage cool, 2 stage heat thermostat,
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forum.doityourself.com/archive/index.php/t-42675.html
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Heat Pumps and Electric Heating - RUDD Heat Pump with EM Heat ... I have a RUDD Heat Pump with Emergency Electric Heat. I think its 2 stage cause on demand it kicks into AUX hi on the Honeywell thermostat I have. When in the heat pump mode the unit work fine until it goes into defrost mode and then cold air blows out till...
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forum.doityourself.com/archive/index.php/t-192513.html
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NOTE: To exit the programming mode at any time, press Hold (the thermostat saves your changes). M17336; FAN; Auto On; Hold Select; PM; SYSTEM SWITCH; SYSTEM; Cool Off Heat Em. Ht.
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www.trane.com/Residential/Downloads/Manuals/Thermostats...
www.trane.com/Residential/Downloads/Manuals/Thermostats/TAYSTAT540.pdf
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This thermostat provides SYSTEM switch selections of; EM. HEAT-HEAT-OFF-COOL and FAN switch selections of AUTO-ON. See Fig. 1. Test holes are provided on the front of the thermostat to accommodate test meter probes without removing the thermostat from the wall.
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customer.honeywell.com/techlit/pdf/69-0000s/69-1217ef.p...
customer.honeywell.com/techlit/pdf/69-0000s/69-1217ef.pdf
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