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PLEASE RESPECT YOUR ENVIRONMENT!
Take care to dispose of this product and any packaging or literature in an appropriate way
WHAT IS A PrOGrAmmer?
...an explanation for Householders (as recommended by the energy Savings Trust)
Programmers allow you to set 'On' and 'Off' time periods. Some models switch the central heating
and domestic hot water on and off at the same time, while others allow the domestic hot water
and heating to come on and go off at different times. Set the 'On' and 'Off' time periods to suit
your own lifestyle. On some programmers you must also set whether you want the heating and hot
water to run continuously, run under the chosen 'On' and 'Off' heating periods, or be permanently
off. The time on the programmer must be correct. Some types have to be adjusted in spring and
autumn at the changes between Greenwich Mean Time and British
Summer Time. You may be able to temporarily adjust the heating
programme, for example, 'Override', 'Advance', or 'Boost'. These
are explained in the manufacturer's instructions. The heating will
not work if the room thermostat has switched the heating off. And,
if you have a hot-water cylinder, the water heating will not work if
the cylinder thermostat detects that the hot water has reached the
correct temperature.
This product and its associated documentation and packaging are protected by various intellectual
property rights belonging to Honeywell Inc. and its subsidiaries and existing under the laws of the UK
and other countries. These intellectual and property rights may include patent applications, registered
designs, unregistered designs, registered trade marks, unregistered trade marks and copyrights.
Honeywell reserves the right to modify this document, product and functionality without notice. This
document replaces any previously issued instructions and is only applicable to the product(s)
described.
This product has been designed for applications as described within this document. For use outside of
the scope as described herein, refer to Honeywell for guidance. Honeywell cannot be held responsible
for misapplication of the product(s) described within this document.
Manufactured for and on behalf of the Environment and Combustion Controls Division of Honeywell
Technologies Sarl, Ecublens, Route du Bois 37, Switzerland by its Authorised Representative Honeywell Inc.
Honeywell Control Systems Ltd.
Arlington Business Park,
Bracknell
Berkshire
RG12 1EB
50022737-002 A
Technical Help Desk: 08457 678999
www.honeywelluk.com
© 2007 Honeywell International Inc.
ST9100C – User Guide
7 Day Timer, 1 channel, 3 on/off per day
This document is to be left with the user
and forms part of a Home Information Pack
Features
Easy to use slider and buttons combined with 'LoT'™ Technology and an
'OK' button, allows you to confi rm changes and stay in control.
LoT™ Technology provides you with informative 'on-screen' feedback and operational
assistance as and when required.
extra Large LCD (Liquid Crystal Display) with Backlight provides added user
friendliness and clearer viewing – even in the dark.
7-day Programmes let you choose settings built into ST9100C for each day of the
week to match your lifestyle, while maximising energy savings, or alter them to your
personal settings.
Automatic Summer/Winter Time Change will adjust the clock forward and backward
automatically when the clocks change, saving you having to change your ST9100C
every time.
Built-in memory holds your programme indefi nitely - even if the mains power fails.
energy effi ciency and the environment
Home energy use is responsible for more than ¼ of the total UK carbon emissions
which contribute to climate change. Heating and hot water systems based on
boilers account for of this fi gure, so it is important to understand how your
controls can help to maximize energy effi ciency while maintaining your comfort.
Your Timer should be used in conjunction with appropriate temperature controls. In
order to save energy the following general points should be observed:
1. Ensure your system contains a room thermostat and a hot water thermostat,
and that both are set to appropriate temperature levels: typically 20°C for the
room temperature and between 55 - 60°C for the hot water temperature.
2. Programme your heating and hot water to be off when you are not in the house.
If you are concerned about possible frost damage to any exposed pipe work, it
is advisable to fi t a frost protection system – your installer can advise you about
this.
3. Think about how you use your domestic hot water – if you have a storage
system, it is not necessary to have this switched on all the time, even when you
are in the house.
4. Consider the heat up times required for your central heating. Every home
responds differently when the heating is switched on. Adjust the start time so
that you are not cold when you get up in the morning. A shorter heat up time is
required for other heating periods.
5. In the evening, when the house is up to temperature, it is often possible to
switch off the heating up to an hour before you go to bed, without any noticeable
reduction in comfort.
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Table of Contents
Troubleshooting
Related Manuals for Honeywell ST9100C
Summary of Contents for Honeywell ST9100C
- Page 1 1. Ensure your system contains a room thermostat and a hot water thermostat, designs, unregistered designs, registered trade marks, unregistered trade marks and copyrights. and that both are set to appropriate temperature levels: typically 20°C for the Honeywell reserves the right to modify this document, product and functionality without notice. This document replaces any previously issued instructions and is only applicable to the product(s) room temperature and between 55 - 60°C for the hot water temperature.
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Page 2: Table Of Contents
ST9100C Controls Layout Contents CONFIGUrATION & SerVICe DATA Boiler & System Service Log WHAT IS A TImer? General Description ..................3 The space below can be used to provide a record of boiler & system services and The way to use a Timer ...................3 the names and contact numbers of the Installer and Service Personnel. GeTTING STArTeD WITH YOUr ST9100C This information is important for a Home Information Pack. Step 1: Setting the Date & Time ..............4 Service/Installation Installation/Service Telephone Number / Step 2: Running a Built-in Programme ............5 Date engineer... -
Page 3: General Description
Your Honeywell ST9100C provides timing control for your central heating system, letting you set ON and OFF periods to suit your own lifestyle. The ST9100C does not directly control the temperature but works together with other temperature controls, such as room thermostats, to control your heating system in your home. -
Page 4: Getting Started With Your St9100C
Step 1: Setting the Date & Time Your ST9100C had the date and time set at the factory, and these are normally maintained by a backup battery in the event of power failures. If you wish to change the date or time, or if the LoT™... -
Page 5: Step 2: Running A Built-In Programme
Step 2: Running a Built-in Programme With the date and time correct, your ST9100C Timer will now be operating to the built-in programmes. These have been designed to provide heating at typical times throughout the day, but if you want to customise the settings, please see the next... -
Page 6: Programming Your St9100C
PrOGrAmmING YOUr ST9100C The Built-in Programmes The built-in programmes give you a starting point that you can personalise to your own requirements. Your Installer should have selected one and ticked the box alongside it. If there is no tick, the product normally leaves the factory with Profile A installed, but it is a simple matter to select one of the other profiles (see Changing the Installer Parameters, page 12). -
Page 7: Reviewing The Programme Times
PrOGrAmmING YOUr ST9100C reviewing the Programme Times To review your programme, move the slider to the PrOGrAmme position. To review the programme times, press the button repeatedly. The appropriate ON and OFF markers will be displayed to show you which time is being reviewed. -
Page 8: Copying One Day's Programme To Another Day
OFF marker may start to flash. This indicates you have tried to set a time equal to one of the previous programme times. If this happens the ST9100C simply moves both times together as long as you continue to press the buttons. -
Page 9: Programming A Different Day
PrOGrAmmING YOUr ST9100C h. When the required day is indicated, press the green button to confirm, and the message ‘MON COPIED’ will be displayed for a moment. The day into which Mondays programme has been copied is now available to have its programme edited. -
Page 10: Operating Your St9100C
OPerATING YOUr ST9100C Choosing the Operating mode The operating mode may only be changed when the slider is set to the rUN position. DAY/TIME A green INDICATOr LAmP shows when the system is switched PROGRAMME A mODe button is provided to select the Operating Mode and therefore how the system is controlled. -
Page 11: The Extra Hour Function
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. -
Page 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 buttons together for about 2 seconds. - Page 13 FINe TUNING YOUr ST9100C To enter Installer mode: a. Ensure the slider is in the rUN position, then press and hold 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 ?’...
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Page 14: Faq & Troubleshooting
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. -
Page 15: Troubleshooting Guide
FAQ AND TrOUBLeSHOOTING 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. Symptom Possible Cause remedy ST9100C has a blank No power to the... -
Page 18: Configuration & Service Data
CONFIGUrATION & SerVICe DATA Configuration Data (to be completed by Installer) The table below is for the Installer to complete to indicate how your ST9100C has been configured. Configurable Options Installer Configured Features tick appropriate box) 24hr or am/pm clock...