Table of Contents
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ST9400S Controls Layout
1
2
3
4
16
HOT WATER
HEATING
EXTRA HOUR
15
OVERRIDE
14
OK
NEXT
ST9400S
13
12
11
1
9
Hot Water Operating Mode Indicator
Slider
2
Time Display
10
Heating Operating Mode Button
3
11
LoT™ Technology Display
OK/Next Button
4
Programme Time Markers
12
Clock - and + Buttons
5
Heating Operating Mode Indicator
13
Hot Water Operating Mode Button
6
Heating Extra Hour Button
14
Hot Water Override Button
7
Heating Indicator Lamp
15
Hot Water Indicator Lamp
8
16
Heating Override Button
Hot Water Extra Hour Button
Keep this document in a Home Information Pack
Contents
5
6
General Description ........................................................................................3
The way to use a Programmer ........................................................................3
Step 1: Setting the Date & Time .....................................................................4
7
EXTRA HOUR
Step 2: Running a Built-in Programme ...........................................................5
OVERRIDE
The Built-in Programmes ................................................................................6
8
Your Personal Programme ..............................................................................6
Reviewing the Programme Times ...................................................................7
Modifying the Hot Water Programme .............................................................7
Exiting HOT WATER Programming Mode ..............................................8
DAY/TIME
9
Modifying the Heating Programme .................................................................9
HOT WATER
Exiting HEATING Programming Mode ...................................................9
HEATING
Disabling/Enabling Time Periods ...................................................................9
RUN
Choosing the Operating Mode .....................................................................10
Override the Operation Without Changing the Programmes........................11
10
The Extra Hour Function ...............................................................................11
Changing From AM/PM Time display to the 24-hour Clock .........................12
Changing the Installer Parameters ...............................................................12
How do I set the time only, if the ST9400S clock is not correct? ..................14
What should I do if I get 'lost' while programming the ST9400S? ................14
What happens if there is a power failure? ....................................................14
Troubleshooting Guide .................................................................................15
Countdown to Service ..................................................................................16
When Service is Due ....................................................................................16
Shut-down .....................................................................................................17
Configuration Data (to be completed by Installer) .......................................18
Boiler & System Service Log ........................................................................19
CONFIGURATION & SERVICE DATA
Boiler & System Service Log
The space below can be used to provide a record of boiler & system services and
the names and contact numbers of the Installer and Service Personnel.
This information is important for a Home Information Pack.
Service/Installation
Installation/Service
Telephone Number /
Date
Engineer
Contact Details
19
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Table of Contents
Troubleshooting
