Instruction/ maintenance manual of the product 1F95EZ-0671 Emerson
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Model Programming Choices 1F95EZ-0671 Non-Programmab le 7 Day Blue Easy R eader T her mostat www .white-rodgers .com P ART NO . 37-6986A 0846 Single Stage, Multi-Stage, Heat Pump Installation and Oper.
2 Remove Old Thermostat Bef ore removing wires from old thermostat, mar k wires f or terminal identifi cation so the proper connections will be made to the new thermostat. Installing New Thermostat 1. Pull the thermostat body off the ther mostat base.
3 WIRING DIA GRAMS Figure 4 – Heat Pump Systems Figure 2 – Single Stage or Multi-Stage System (No Heat Pump) with Single T ransformer Heat Pump 1 (HP1) Heat Pump 2 (HP2) O Energized in Cool Mode B.
4 Programming and Confi guration Items 1 “Heat" “A/C” “Off” identi fi es button. When fi lled indi- cates system mode selected. 2 "Aux" inidicates thermostat con fi gured for Heat Pump. When fi lled indicates Auxiliary stage is operating.
5 INST ALLER/CONFIGURA TION MENU With Heat or A/C selected, press and hold the Menu button for at least 5 seconds. The display will show item #1 in the table below . Press Menu to advance to the next menu item. Press or to change a menu item options. INST ALLER/CONFIGURA TION MENU Menu Ref .
6 INST ALLER/CONFIGURA TION MENU 1) This control can be confi gured for: MS 2 – Multi-Stage System (no heat pump) HP 1 – Heat Pump with one stage of compressor HP 2 – Heat Pump with two stage compressor or two compressor system, Gas or Electric backup SS 1 – Single Stage System 2) GAS or Electric (ELE) fan operation.
7 OPERA TING Y OUR THERMOST A T If at any time during testing your system does not oper ate properly , contact a qualifi ed ser vice person. Fan Operation If your system does not ha ve a G terminal connection, skip to Heating System. 1. T ur n on power to system.
www .white-rodgers.com Symptom P ossible Cause Corrective Action No Heat/No Cool/No Fan (common problems) 1. Blown fuse or tripped circuit breaker . 2. Fur nace power s witch to OFF . 3. Fur nace blo wer compartment door or panel loose or not properly installed.
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