Страница 1: ...ctrical shock and or equipment damage disconnect electrical power to the system at the main fuse or circuit breaker until installation is complete CAUTION PART NO 37 6542B Replaces 37 6542A 0434 Failu...
Страница 2: ...the thermostat to control the fan contact a qualified heating and air conditioning service person Hydronic Hot Water or Steam Heating Systems This thermostat is set to operate properly with a forced a...
Страница 3: ...lve is energized when the system switch is in the HEAT position Fan Relay NOTE To prevent static discharge problems touch side of ther mostat to release static build up before touching any keys If at...
Страница 4: ...the room tempera tureattheselectedtemperatureuntilthenextprogramperiod begins Then the thermostat will automatically revert to the program HOLD TEMPERATURE The thermostat can hold any temperature wit...
Страница 5: ...WE TH FR indicating weekday program will appear in the display Also displayed are the currently programmed start time for the 1st heating period and the currently programmed temperature flashing EXAMP...
Страница 6: ...ditioner compressor during cold weather may cause personal injury or property damage 1 Move SYSTEM switch to COOL position 2 Follow the procedure for entering your heating program using your selected...
Страница 7: ...e the thermostat Furnace Cycles Too Fast or Too Slow 1 The location of the thermostat and or the Digital thermostats normally provide precise narrow or wide temperature swing size of the Heating Syste...
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