Table Of Contents - Honeywell Y9120W Sundial RF2 Pack 4 User Manual

Contents
CONTROL OF YOUR SYSTEM
General Description of Controls in Your System ...............................................4
The way to use a Timer .....................................................................................4
Your Cylinder Thermostat .................................................................................5
GETTING STARTED WITH YOUR ST9120C
Step 1: Setting the Date & Time .......................................................................6
Step 2: Running a Built-in Programme .............................................................7
PROGRAMMING YOUR ST9120C
The Built-in Programmes / Your Personal Programme......................................8
Reviewing the Programme Times .....................................................................9
Modifying the Programme ................................................................................9
Disabling / Enabling Time Periods .................................................................11
OPERATING YOUR ST9120C
Choosing the Operating Mode .......................................................................12
Overriding the Operation Without Changing the Programmes.......................12
The Extra Hour Function .................................................................................13
The Holiday Function ......................................................................................13
Enquiry Mode .................................................................................................14
FINE TUNING YOUR ST9120C
Changing from AM/PM Time Display to the 24 Hour Clock............................15
Changing the Installer Parameters .................................................................15
BOILER SERVICE REMINDER
Countdown to Service / When Service is Due ................................................18
Shut-down .......................................................................................................19
OPERATING YOUR CS92A HOT WATER THERMOSTAT
Basic Operation ..............................................................................................19
Battery Replacement ......................................................................................19
Error Indications .............................................................................................20
FAQ AND TROUBLESHOOTING
Frequently Asked Questions ..........................................................................21
Troubleshooting Guide ...................................................................................23
CONFIGURATION & SERVICE DATA (to be completed by Installer) .................26
3