Installation manual

53
This is handled automatically. Should the installer
have turned off Automatic Time Change then follow
the instructions below.
Open the flap on the front of the unit to reveal the
programming buttons.
To change from Summer to Winter (clocks back) -
• press and hold - button
To change from Winter to Summer (clocks forward) -
• press and hold + button
Changing clocks forward & back
If the property is owned by
a landlord he may, for gas
safety reasons, have
instructed the installer to
set the service interval timer.
If set, 28 days prior to the
boiler service due date, a
momentary visual and audible
warning will remind you to
have the boiler serviced in the
next 28 days. This will be
repeated each day at noon.
If the boiler is not serviced within 28 days the daily
audible warning will sound for 1 minute at the
beginning of each hour and must be cancelled each
day by pressing any button on the unit.
Service Interval Timer
rst time this change has been
Please Note
After the first time this change has been made this feature will only allow the clock to be changed in the opposite
direction.
Take care when making this change for the first time. If it is made in the wrong direction the unit will have to be
reset and any user-settings re-entered
(see pages 47 & 48 on how to Reset the unit and how to set the Time and Day).
• In addition, all overrides and programming buttons will
be disabled and the heating and hot water will operate
for a set portion of each programmed hour.
• The installer will cancel or reset the service interval
timer as part of the boiler service.
• This is a gas safety feature that can only be accessed by
an installer.
• When the service interval timer is set the service due
date can be viewed in RUN mode by pressing and
holding the COPY button.
7 day hot water programmer