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Honeywell 6400 D Manual

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    							Operating 
    Manual
    RTH6400
    Programmable Thermostat 
    69-2211EF-05  
    						
    							Read and save these instructions.
    Need Help?
    For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502
    ® U.S. Registered Trademark. US Patent No. D542,677 and other patents pending Copyright © 2013 Honeywell International Inc. All rights reser ved.
    Quick Reference Card
    Grasp and pull to see basic operating instructions at a glance.
    Battery Holder
    Press down and pull to remove batteries.
    Batteries should be replaced once a year (see page 15).
    NOTE: Remove battery holder; model number is on the battery holder.
    M28400   
    						
    							RTH6400 Programmable Thermostat
     1 69-2211EF—05
    About your new thermostat
      This thermostat is ready to go!
    Your new thermostat is pre-programmed and ready to go. See page 3 to check settings.
    Table of contents
    About your new thermostatThermostat features ....................................2Programming at a glance ............................3Quick reference to controls .........................4Quick reference to display ...........................5
    Programming & OperationSet time and day .........................................6Select fan setting (auto/on)  ........................7Select system setting (heat/cool) ................8Using program schedules ...........................9Program schedule overrides .....................12Auto Changeover ......................................14Built-in compressor protection  ..................16Smart Response® Technology ...................18
    AppendicesBattery installation .....................................18Customer assistance ................................19In case of difficulty ....................................20Limited warranty ........................................22 
    						
    							Operating Manual
    69-2211EF—05 2
    About your new thermostatAbout your new thermostat
    Congratulations on the purchase of your new Honeywell thermostat. It has been designed 
    to give you many years of reliable service and easy-to-use, push-button 
    climate control.
    Features
    •	 Separately	programmable	 weekday,	Saturday,	 and	Sunday	 schedules.
    •	 One-touch	 temp	control	 overrides	 program	schedule	 at	any	 time.
    •	 Large,	 clear,	backlit	 display	 is	easy	 to	read	 —	even	 in	the	 dark.
    •	 Displays	 both	room	 temperature	 and	temperature	 setting.
    •	 Removable	 battery	holder	for	fast,	 easy	 replacement.
    •	 Built-in	 compressor	 protection. 
    						
    							RTH6400 Programmable Thermostat
     3 69-2211EF—05
    This thermostat is ready to go!
    Your new thermostat is pre-programmed and ready to go. All you have to do is set the 
    time and day. Then check the settings below and change if needed:
    1 . Set time and day (required for proper operation) ..............................See page 6
    2 . Select fan setting (Auto/On): Preset to Auto ......................To change, see page 7
    3 . Select system setting (Heat/Cool): Preset to Heat ............To change, see page 8
    4 . Program schedules: Preset to energy-saving levels 
    while you’re at work or asleep (assumes you wake at 
    6 am, leave at 8 am, return at 6 pm and go to bed 
    at 10 pm) ........................................................................\
    To change, see pages 9-11
    ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time, and manually adjust the temperature (see pages 12-13). 
    						
    							Operating Manual
    69-2211EF—05 4
    Quick reference to controls
    M28401
    Digital display (see page 5).Battery holder (see page 15).
    Temperature buttons  Press to adjust temperature settings (see pages 11-13).
    Hold button  Press to override programmed temperature control (see page 13).
    Function buttons  Press to select the function displayed just above each button. (Functions change depending on the task.) 
    						
    							RTH6400 Programmable Thermostat
     5 69-2211EF—05
    Quick reference to display screen
    Set Clock/Day/
    Schedule Auto
    W
    ake Wed
    Fan SystemHeat On
    Heat Heat
    Setting
    Inside
    AM
    75756:
    30
    Replace Battery
    M28402
    In Recovery
    Current inside temperature
    Current program periodWake/Leave/Return/Sleep (see pages 9-11)
    Set clock /day/schedule Press to set time, day or program schedules (see pages 6 & 11)
    Function buttons Press the button beneath each function to view or change settings (functions change depending on the task)
    Low battery warning (see page 15)Current time/day (see page 6)
    Temperature setting (see pages 11-13)
    System status On	 when	 “calling” 	for 	heating or cooling; flashes when waiting for compressor restart (see page 14)
    System setting Heat/Cool/Off (see page 8)
    Fan settingAuto/On	 (see	page	 7)
    Smart Response®technology in effect (see page 17) 
    						
    							Operating Manual
    69-2211EF—05 6M28404
    Wed
    Set  Day Set Schedule
    Done
    PM4
    :
    30
    Set  Clock/Day/
    Schedule Auto
    Fan
    System
    Heat
    M28403
    Set the time and day
    1.   Press the SET CLOCK/DAY/SCHEDULE 
    button, then press s or t to set 
    the clock time.
    2.  Press the SET D AY button, then 
    press s or t to select the day of 
    the week.
    3. Press DONE to save & exit.
    Note: If the SET CLOCK/DAY/SCHEDULE option is not displayed, press DONE or RUN SCHEDULE.
    Note: If the display flashes Set Clock, the thermostat will follow your settings for the weekday	 “Wake”	time	 period	 until	you	reset 	the time and day.
    Press SET CLOCK/DAY/SCHEDULE, then adjust time
    Press SET DAY, then select current day 
    						
    							RTH6400 Programmable Thermostat
     7 69-2211EF—05
    Select the fan setting
    Press the FAN button to select Auto or On.
    In	“Auto”	 mode	(the	most	 commonly	 used	
    setting), the fan runs only when the heating 
    or	cooling	 system	is	on.	 If	set	 to	“On,”	 the	
    fan runs continuously. M28405
    Set Clock/Day/
    ScheduleAuto
    Fan
    System
    Heat
    M28406
    Set  Clock/Day/
    ScheduleOn
    Fan
    System
    Heat 
    						
    							Operating Manual
    69-2211EF—05 8
    Select the system setting
    Press the SYSTEM button to select Heat, Cool 
    or Off.
    •	Heat: Thermostat controls only the heating system.
    •	Cool: Thermostat controls only the cooling system.
    •	Off: Heating and cooling systems are off.
    •	Auto: Thermostat automatically selects heating or cooling depending on the indoor temperature.
    CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C). 
    Note: The Auto setting may not 
    appear, depending on how your 
    themostat was installed.
    M28407
    Set Clock/Day/
    ScheduleAuto
    FanSystem
    Heat
    M28408
    Set  Clock/Day/
    ScheduleAuto
    FanSystem
    Cool 
    						
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