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Honeywell ST9400A User Manual

Honeywell ST9400A
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HOT WATER HEATING
EXTRA HOUR
OVERRIDE
EXTRA HOUR
OVERRIDE
OK
NEXT
DAY/TIME
HOT WATER
HEATING
RUN
ST 9 400A
Contents
WHAT IS A PROGRAMMER?
General Description ........................................................................................3
The way to use a Programmer ........................................................................3
GETTING STARTED WITH YOUR ST9400A
Step 1: Setting the Date & Time .....................................................................4
Step 2: Running a Built-in Programme ...........................................................5
PROGRAMMING YOUR ST9400A
The Built-in Programmes ................................................................................6
Your Personal Programme ..............................................................................6
Reviewing the Programme Times ...................................................................7
Modifying the Hot Water Programme .............................................................7
Exiting HOT WATER Programming Mode ..............................................8
Modifying the Heating Programme .................................................................9
Exiting HEATING Programming Mode ...................................................9
Disabling/Enabling Time Periods ...................................................................9
OPERATING YOUR ST9400A
Choosing the Operating Mode .....................................................................10
Override the Operation Without Changing the Programmes........................11
The Extra Hour Function ...............................................................................11
FINE TUNING YOUR ST9400A
Changing From AM/PM Time display to the 24-hour Clock .........................12
Changing the Installer Parameters ...............................................................12
FAQ & TROUBLESHOOTING
How do I set the time only, if the ST9400A clock is not correct? ..................14
What do I do when the clocks go back in October and forward in March? .14
What should I do if I get ‘lost’ while programming the ST9400A? ................14
What happens if there is a power failure? ....................................................14
Troubleshooting Guide .................................................................................15
MINI-PROGRAMMER OPERATING INSTRUCTIONS
(Installer to tick if configured in this way)
What is a Mini-Programmer?.........................................................................16
Modifying the Heating & Hot Water Programme ..........................................16
Exiting HEATING & HOT WATER Programming Mode .................................16
Disabling/Enabling Time Periods .................................................................17
Choosing the Operating Mode .....................................................................17
Override and Extra Hour Functions ..............................................................17
Other Functions ............................................................................................17
CONFIGURATION & SERVICE DATA
Configuration Data (to be completed by Installer) .......................................18
Boiler & System Service Log ........................................................................19
ST9400A Controls Layout
Hot Water Operating Mode Indicator
Time Display
LoT™ Technology Display
Programme Time Markers
Heating Operating Mode Indicator
Heating Extra Hour Button
Heating Indicator Lamp
Heating Override Button
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Slider
Heating Operating Mode Button
OK/Next Button
Clock – and + Buttons
Hot Water Operating Mode Button
Hot Water Override Button
Hot Water Indicator Lamp
Hot Water Extra Hour Button
15
14
16
1 2 3 4 5
7
8
6
12
11
9
1013
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
Date
Installation/Service
Engineer
Telephone Number /
Contact Details
Keep this document in a Home Information Pack

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Honeywell ST9400A Specifications

General IconGeneral
ModelST9400A
CategoryThermostat
Voltage230V AC
Switching Current3A
MountingWall-mounted
DisplayLCD
Battery BackupNo
Contact Voltage230V AC
Frequency50Hz
TypeProgrammer
Switch Rating3A
Temperature Range5°C to 30°C
Contact Rating3A

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