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Honeywell thermostat ST9100C 7 Day Single Channel Time Switch User Manual

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    11
    
    OPerATING YOUr ST9100C
    The extra Hour Function
    The eXTrA HOUr button allows you to switch the system ON for up to 3 extra hours without  altering  the  programme.  Pressing  the  button  once  will  give  one  extra  hour.  The  LoT™  Display  will  display  the  message  ‘+  1  HOUR’,  to  confirm  the  button  has been pressed. 
    When  the  green INDICATOr  LAmP  is OFF,  pressing  the eXTrA  HOUr  button switches the system ON for just one hour.
    When  the  green INDICATOr  LAmP  is ON,  pressing  the eXTrA  HOUr  button extends the programmed ON period by one hour.
    Further  presses  of  the eXTrA  HOUr  button  will  increase  the  extra  hour  period  by one hour for each button press, up to a maximum of 3 hours.  The LoT™ Display will continue to provide information on the extra hour status.
    To  cancel  the  extra  hours,  just  keep  pressing  the eXTrA  HOUr  button  until  the ‘CANCELLED’ message appears on the LoT™ Display.
    The Holiday Function
    The  Holiday  function  allows  you  to  switch  off  your system  for  a  specified  number  of days  (from  1-99  days).    This  lets  you  save  energy  and  related  costs  when  you  are away from home, but resumes normal operation on the day of your return.
    To set the Holiday function:
    a. Ensure  the  slider  is  in  the rUN  position,  then  press  the HOLIDAY  button  once. The message ‘SET HOLIDAY’ will appear briefly, followed by ‘SET DAYS AWAY’.
    b. Use the   or  buttons to set the number of days you will be away. The display will show the number of days, and this number will be flashing to indicate it can be changed. The day of the week will also keep changing to show the day you\
     return.
    c. If you have made a change to the number of days, the message ‘DAYS AWAY OK ?’ will appear. Press the green  button to confirm your selection.
    d. The message ‘SAVED’ will be displayed for a few seconds, followed by the date you return, to enable you to check you have programmed the holiday function correctly.
    e.  During  the  holiday  period,  the  LoT™  Display  will  show  the  message  ‘ON HOLIDAY’ and the display will count down the number of days till you return.
    To cancel the Holiday function:
    f.  To cancel the Holiday function, just press the HOLIDAY button again. The LoT™ Display will show ‘CANCELLED’ and the unit will return to normal operation.
    Note:  while  setting  the  Holiday  function,  if  there  is  a  gap  of  more  than  1  minute between  button  presses,  the  function  will  cancel  itself  automatically  and  return  to normal operation. 
    						
    							
    12
    
    FINe TUNING YOUr ST9100C
    Changing from Am/Pm Time Display to the 2 Hour Clock
    Your  ST9100C  can  operate  on  the  12  hour  AM/PM  or  24  hour  clock  formats.  To change the format, ensure the slider is in the rUN position then press and hold the   and  buttons together for about 2 seconds. Ignore the ‘NOT VALID’ message that will appear briefly. All the displayed times will be automatically changed to the new format.
    Repeating this procedure will change the clock display back to the original format.
    Changing the Installer Parameters
    The  ST9100C  has  a  special  Installer  Mode  where  some  features  can  be  adjusted to suit your lifestyle or preferences – these are called Installer Parameters, and are listed in the table below, along with a description of the options that are possible.
    INSTALLer PArAmeTerParameter NumberDefault ValueOptionsDescription
    24hr or am/pm clock display.11212, 2412 = am/pm display,24 = 24hr display
    Configure backlight operation.220, 1, 20 = off, 1 = on if button pressed,2 = on continuously
    Enable/disable auto time change.310, 10 = disabled, 1 = enabled
    1-day or 5/2-day or 7-day operation.471, 5, 71 = 1-day operation, 5 = 5/2-day operation,7 = 7-day operation
    Number of ON/OFFs per day.532, 32 = 2 on/offs per day,3 = 3 on/offs per day
    Select default time programme.6AA, b, CA = standard, b = at home,C = economy
    Reset all parameters810, 10 = do not reset1 = default parameters 
    						
    							
    1
    
    FINe TUNING YOUr ST9100C
    To enter Installer mode:
    a. Ensure the slider is in the rUN position, then press and hold  and  buttons together for 8 seconds. Ignore the ‘NOT VALID’ message that is displayed for a few  seconds.  The  message  ‘SET  UP  MENU’  will  show  briefly,  followed  by  ‘SET INSTALLER OK ?’
    b.  Press the  button to take you into the Installer Mode Parameter Menu.
    c.  Parameter  1  is  now  available  to  change.  This  is  to  allow  you  to  change  the clock  format  from  12  hour  AM/PM  to  24  hour.  At  every  step,  the  LoT™  Display will  inform  you  what  the  parameter  means  and  what  option  you  have  selected. The  parameter  number  is  shown  on  the  display  separated  by  a  colon  from  the parameter value.
    d. You can change the parameter value by pressing the   or  buttons. At this point  the  description  in  the  LoT™  Display  will  change  and  the  parameter  value will flash. If you press  the value will stop flashing and be saved for use.
    e.  Press  to move to the next parameter available for editing.
    f.  Keep  pressing   to  step  around  the  list  of  parameters,  and  use    or  buttons to change the parameter value.
    g. Any  parameter  changes  that  have  been  confirmed  with  the   button  will  be saved and used.
    To exit Installer mode:
    h. You can exit Installer Mode at any time by moving the slider to the next position and then back again to rUN.
     Note:  Installer  Mode  will  exit  automatically  after  10  minutes  if  the  slider  is  not moved. 
    						
    							
    1
    
    FAQ AND TrOUBLeSHOOTING
    How  do  I  set  the  time  only,  if  the  ST9100C  clock  is  not correct?
    Your ST9100C contains a very accurate digital clock that is factory pre-set. Should you ever need to change the time, just follow this procedure:
    a. Move the slider to the DAY/TIme position.
    b. Keep  pressing  the  green   button  until  the  message  ‘SET  THE  TIME’  is displayed.  To  change  the  time,  press  the    or   buttons  until  the  correct time is shown. The message ‘IS TIME OK?’ will be displayed. Press the green  button to confirm the time is correct.  If you have made a change, the message ‘TIME SAVED’ will show, followed quickly by ‘DATE + TIME COMPLETE’.
    c.  Move the slider to the rUN position, to complete changing the time.
    What do I do when the clocks go back in October and forward in march?
    Your  ST9100C  is  factory-set  to  adjust  the  clock  automatically  at  the  correct  dates, so  you  should  never  need  to  adjust  the  clock  forward  or  backwards  yourself.  It  is possible to disable this particular feature, as described in the section ‘Changing the Installer Parameters’ (page 12). You may also check the section ‘Configuration & Service Data’ (page 18) to see how your Installer has configured your product.
    What  should  I  do  if  I  get  ‘lost’  while  programming  the ST9100C?
    The  LoT™  Display  on  ST9100C  will  provide  you  with  help  and  tips  to  work  through the programming. Should you ever get ‘lost’, the simplest thing to do is to move the slider  to  the rUN  position,  and  then  move  it  back  to  the  appropriate  programming position where you got lost. At this point just follow the instructions again.
    What happens if there is a power failure?
    In the event of a mains power failure, the ST9100C display will go blank, the indicator lamp will go out, and the control output will switch off. The real time will be constantly maintained  by  means  of  the  built-in  battery  backup,  ready  to  power  back  up  as  if nothing had happened when the mains power is restored. In addition, all programmes and settings are stored in a special memory (called NV memory) which requires no power to maintain information, and so will be retained indefinitely.
    Should the correct time and date ever be lost, for whatever reason, the message ‘SET DATE + TIME’ will be displayed whilst the slider is in the rUN position. In this case, simply  follow  the  procedure  described  under  ‘Step  1:  Setting  the  Date  &  Time’ (page 4). It should not be necessary to make any changes to your programmes. 
    						
    							
    1
    
    SymptomPossible Causeremedy
    ST9100C has a blank LCD displayNo power to the systemCheck that there is power to the system
    Fault in ST9100CCall Installer
    ST9100C indicates that the system is ON, but radiators are cold and/or taps are running with cold water.
    Temperature controls are switched off or set too low
    Check that the temperature controls in the system are set to appropriate levels
    Boiler or other system controls have malfunctioned
    Call Installer
    ST9100C shows the message ‘INTERNAL FAULT’
    Fault in ST9100CCall Installer
    Troubleshooting Guide
    This  is  a  quick  guide  to  help  you  diagnose  and  cope  with  possible  problems  with ST9100C. For further assistance, please contact your Installer.
    FAQ AND TrOUBLeSHOOTING 
    						
    							
    1 
    						
    							
    150022737-002 A
    CONFIGUrATION & SerVICe DATA
    Configurable FeaturesOptionsInstaller Configured (tick appropriate box)
    24hr or am/pm clock displayam/pm display
    24hr display
    Display backlight operationOff
    On if button pressed
    On continuously
    Automatic time changeEnabled
    Disabled
    1-day or 5/2-day or 7-day operation1-day operation
    5/2-day operation
    7-day operation
    Number of ON/OFFs per day2 on/offs per day
    3 on/offs per day
    Default programmeA = standard
    b = at home
    C = economy
    Configuration Data (to be completed by Installer)
    The  table  below  is  for  the  Installer  to  complete  to  indicate  how  your  ST9100C  has been configured. 
    						
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