User`s guide

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Option 2-0: Setting Up Timers
Calendar Timers and Exceptions
Calendar Timers let you program the control unit to take actions at
selected times of day on specific days of the week. The control unit will
repeat this pattern of actions every week. To make allowance for
periods when you do not want the actions to happen (for example at
Christmas or on bank holidays) you can also specify Exceptions, each
of which has a start time and date, and an end time and date. The
pattern of Exceptions repeats every year.
There are two types of Calendar Timer: Auto-Sets and Time Switches.
Auto-Set timers set and unset wards. Time Switches operate outputs.
The Installer will have set up specific outputs to respond to Time
Switches, for example to control internal or external lighting or other
electrical equipment, and may well have set their operating times
already. If you need to change those times see Option 3-4 below.
The M2000 has 10 Time Switches and the M800 five. Each Time Switch
has three sets of on and off times.
You can select for yourself which wards Auto-Set timers operate on. The
M2000 has 16 Auto-Set timers, and the M800 has eight. You can
allocate each Auto-Set timer to any ward.
The control unit also provides 30 Exceptions each of which can suspend
the operation of Auto-Sets or Time Switches between specified times
and dates. Once you have set up one or more Exceptions, you can
make both Time Switches and Auto-Set Timers respond to any of them.
If the Installer has already set up some Exceptions for you, you may find
that you need to change their dates every year. For example, if you
have an Exception for Easter, you will need to change its date each
year.