Votes - , Average rating: ( )

User manual Honeywell, model 43255

Manafacture: Honeywell
File size: 292.59 kb
File name: 43255.pdf

Language of manual:

The document is loading, please wait

Download nowClose

The document is loading, please wait

Download nowClose

NOTE: If the System Switch is in the OFF position, the last position used will be programmed. SA PM TEMP 2 STEP 2: program ¦ Press to enter program mode. HEAT or COOL will be displayed on the LCD. 1 MT WTHF AM STEP 3: ¦ The Program hour and AM or PM indicator are flashing. Press to change the hour. ¦ Press again to change to the minute position. The current minute will be flashing. ¦ Press to change the minute. HEAT STEP 4: program FTHWT AM HEAT M 1 STEP 5: program STEP 6: ¦ Press again to change to the program tem- perature. The current temperature will be flashing. ¦ Press to change the temperature. M FTHWT AM HEAT program ¦ Press again to move to the next program number. ¦ Repeat Steps 3 through 5 to change the remaining Weekday, Saturday, and Sunday programs. (There are a total of 12 programs.) program hold ¦ After cycling through all 12 programs, press again to return the display to normal. ¦ Press at any time to exit the Program Mode. /return 1 Reviewing Programs To review your program settings, press program repeatedly to cycle through the programs. You can also make changes at any time. System Selector Switch The System Selector switch on the front of the thermostat system determines the operating mode of the thermostat. You may heat select COOL, OFF, HEAT. off cool NOTE: Anytime you install or remove the thermostat from the wallplate, slide the System Selector to the OFF position to prevent the possibility of a rapid system On-Off. Fan Switch The Fan switch should normally be located in the AUTO fan position. The Fan will be turned on along with normal opera- auto tion of your system. In a normal gas or oil furnace, the Fan will be turned on by your furnace after its warm-up delay. For on electric heat, air conditioning, and heat pump operation, the Fan will turn on with the system. To run the Fan on continuously, slide the Fan switch to the ON position. Temporary Manual Override To temporarily change the current set temperature without affecting your program: ¦ Press and hold for about 1 second SET TEMP hold or to enter Manual Override mode. When display flashes, you can release the key. ¦ Press again to change to your desired Set 3COOL TEMP or Temperature. Hold the key for 2 seconds to fast-advance the Set Temperature. ¦ Press to return to normal mode, or wait 5 seconds for it to return automatically. /return ¦ The current program number will flash to SA signify the Temporary Override. PM ¦ At the next program change time, the Temporary Override is cancelled, and the next program temperature becomes the setpoint COOL TEMP 3 temperature. To end the Temporary Manual Override: hold ¦ Press, then press again. This will return the set temperature to the current program set temperature. /return Permanent Override To hold your Manual Override for vacation or just an extended period of time: hold ¦ Press to make the current program temperature the HOLD temperature. HOLD /return will be displayed on the LCD, and the Program number will disappear. ¦ Follow the Temporary Manual Override instructions above to change the Permanent Manual Override temperature. TH PM HOLD TEMP ¦ You can confirm the held set temperature by pressing for less than 1 second. To end the Permanent Manual Override: hold ¦ Press again. The thermostat will return to the current program, and the HOLD display will be canceled. /return Filter Monitor Your thermostat measures the number of hours your heating and cooling system has been in use. To maximize your system’s performance and energy efficiency, change or clean your filter regularly. M T W TH F SA SU SET TEMP AM 2PM FILTER COOL TEMPfilter mode, or you can press the HOLD / RETURN key to exit immediately. HR ¦ After changing or cleaning the system’s filter, press and hold the Filter Key for 3 seconds. The display will blink, and the MIN timer will be reset to zero. SPAN Setting Mode Your thermostat is set at the factory to cycle at 1°F (0.5°C) above and below the set temperature. (Span = 2) This setting has been designed to provide a comfortable room temperature under most all conditions. However, if you find your system cycling too fast or too slow, then the Span can be adjusted to modify the cycle time. ¦ Press and hold BOTH for three seconds. The display will flash, and SPAN will be displayed on the LCD. ¦ Press to raise the Span to 3. This setting INCREASES the cycle time by allowing your system to run LONGER. ¦ Press to lower the Span to 1. This setting DECREASES the cycle time by causing your system to run SHORTER. The Span settings remain the same for both HEAT and COOL. The Span can be changed at any time, and is independent of program times or temperatures. When batteries are installed in the thermostat, or the Reset key is pressed, the Span is reset back to setting 2. Backlighting (INDIGLO® Night-Light) Your thermostat has an electroluminescent lamp that backlights the display for easy viewing in the dark. When any key is pressed or the System Switch is changed, the display ...