HOMEOWNER HELP LINE: 1-800-284-2925
The Emerson logo is atrademark and a service mark of Emerson Electric Co.
Страница 1: ... doubt about whether your wiring is millivolt line or low voltage have it inspected by a qualified heating and air conditioning contractor electrician or someone familiar with basic electricity and wiring Do not exceed the specification ratings All wiring must conform to local and national electrical codes and ordinances This control is a precision instrument and should be handled carefully Rough ...
Страница 2: ...e walls or doors that lead outside 5 Avoid locations close to air registers or in the direct path of air from them 6 Make sure there are no pipes or duct work in that part of the wall chosen for the thermostat location 7 Never locate thermostat in a room that is warmer or cooler than the rest of the home such as the kitchen 8 Avoid locations with poor air circulation such as behind doors or in alc...
Страница 3: ...lor DOES NOT indicate polarity Polarity is ob tained from an oscilloscope or voltmeter Heat Pump Applications This subbase WILL NOT provide multi stage heating or cooling operation For single stage heat pump applica tions install a short jumper wire across terminals W and Y If the old thermostat has a terminal that is continuously energized disconnect the wire from the old thermostat s terminal an...
Страница 4: ... operation G RH W Factory installed Jumper Moveable Yellow Jumper SUBBASE Adjustable Heating Anticipator Captive Screws System Switch C O O L OFF H E A T System Switch C O O L OFF H E A T ON Fan Switch AUTO Figure 3 Typical wiring diagram see figs 4 5 and 6 for typical system thermostat wiring RC O Y A B Fixed Cooling Anticipator THERMOSTAT SYSTEM Terminal A is not for field wiring See SPECIAL SYS...
Страница 5: ... transformer single stage heat pump system KEEP THIS AREA CLEAR OF WIRES W B O Y G A 24 VAC 120 VAC Hot Neutral TRANSFORMER Compressor Relay Fan Relay Factory Installed Jumper SYSTEM Terminal energized in cooling Terminal energized in heating Field installed Jumper Wire RH Field Installed Jumper RC Factory installed Red Jumper Wire Factory installed Yellow Jumper Wire OPERATION MAINTENANCE Figure ...
Страница 6: ... power to the sys tem until recalibration is complete 1 The anticipator s heat may adversely affect thermo stat recalibration To prevent this disconnect electri cal power to the thermostat at the furnace main fuse or breaker box 2 Move temperature adjustment lever to a setting about 5 above room temperature 3 Remove thermostat cover Slip 7 32 wrench onto hex nut beneath bimetal see fig 10 While ho...
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Страница 8: ...HOMEOWNER HELP LINE 1 800 284 2925 The Emerson logo is a trademark and a service mark of Emerson Electric Co ...
