0020092786_01 - 04/10 - Glow-worm
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HOW TO OPERATE YOUR APPLIANCE
8.2 Switching On
Check that all isolating valves and the gas
service cock on the appliance are open
and that water flows from the hot water
taps, close the taps.
a
Do not operate the boiler
without water.
• Make sure that:
- The appliance has electrical power,
- The gas service cock is open
- The mains water supply is turned on
a
If you are in any doubt about
the boiler being filled with
water contact your installer
or Glow-worm's own service
organisation using the
telephone number shown in
the chapter " Contact your
after-sales organisation".
• Press the on/off button (4).
The control panel will flash and display all
its digits. It will then return to the default
display and depending on the selected
operation and controls, display the
temperature settings and water pressure.
Turning off
• Press the on/off button (4).
The appliance is no longer powered and
the display switches off.
a
If you intend to leave your
property empty for a prolonged
period, please refer to the
Appliance Safety Devices
section.
8.3 User Controls
Selection of operating mode(s)
To change the operating mode:
• Press the button
.
Symbol
Mode
H domestic hot water
Heating only
Domestic Hot water only
None
Frost protection mode only
i
IMPORTANT: When neither
of the symbols are displayed,
the boiler is in frost-protection
mode.
Adjusting the domestic hot water
temperature
(This mode is only
operational if Glow-worm external controls
are fitted)
Domestic hot water has priority over
central heating.
• Press the buttons or of the
function to adjust the temperature of
domestic hot water.
Temperature of the water
(°C)
min.
38
recommended
50
max.
60
