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Summary of Contents for PROGRAMMABLE DIGITAL THERMOSTAT 53DFS250-FS

Page 1: ...OCKea un_ _ Override _ Outside _On_ ONOFF _ _ HEAT _ E_ Mode Indicators Selects the operation mode of the equipment HEAT indicates the heat mode COOL indicates the air conditioning mode AUTO indicates the system will automatically changeover between the heat and cool modes as the temperature varies OFF indicates the entire system is turned off PROGRAM ON indicates the stored program is enabled to ...

Page 2: ...occupied periods section NOTE The thermostat is not programmed to operate heat pump systems Select Mode The HEAT setting indicates the temperature the room has to reach before the unit will turn on to heat the room The COOL setting indicates the temperature the room has to reach before the unit will turn on to cool the room AUTO will automatically select heat or cool based on room temperature dema...

Page 3: ...n press the Up button for 2 seconds to enter time period MODE O programming Select the maximum number of occupied periods to be _ used on any one day 1 2 or 3 _ Adjust the cooling set point for occupied 1 _j 35 to 99 F Adjust the heating _ set point foroccupied 1 35 to 99 F x HEAT 12 Adjust the cooling _f _l set point for unoccupied COOL _ pedods 35 to 99 F Adjust the heating _ set point for unocc...

Page 4: ...m Monday to 12 00pm Monday The Unoccupied settings take effect at all times when 1 the program is on and 2 the current time is outside a preset occupied period For this reason start and stop times are not necessary for unoccupied If the same start and stop times are programmed in for an occupied period then it will run 24 hours If one occupied period starts and stops within another occupied period...

Page 5: ...m difference is enforced during Auto changeover and Program On operation ENERGY SAVING SMART FAN If Fan On is selected the fan will run continuously at all times If fan is in Off Mode it will only run if there is a heating or cooling demand during programmed unoccupied periods OVERRIDE As explained on page 2 pressing the Override button during a programmed Unoccu pied period will force the thermos...

Page 6: ...l remain spread apart by the amount that they were adjusted prior to entering Auto For example If the Cool set point was set to 80 while in the Cool mode and the Heat set point was adjusted to 70 while in the Heat mode upon enter ing the Auto mode the Heat and Cool set points would be 80 and 70 Both set points would then move up and down together in this example spread by 10 degrees by pressing th...

Page 7: ...WHATSOEVER ALL WORK UNDER THETERMS OF THISWARRANTY SHALL BE PERFORMED DURING NORMAL WORKING HOURS ALL REPLACEMENT PARTS WHETHER NEW OR REMANUFACTURED ASSUME AS THEIRWARRANTY PERIOD ONLY THEREMAINING TIME PERIOD OF THISWARRANTX4 THEMANUFACTURER WILL NOT BE RESPONSIBLE FOR 1 Normal maintenance as outlined in the installation and servicing instructions or owners manual including filter clean ing and ...

Page 8: ...Corporation Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 535 328 Printed in USA Form OM53 3 Pg 8 11 04 Replaces New ...

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