42
Without frost protection monitoring (shutdown)
1. Turn off the ON/OFF switch at every control unit.
2. Gas boilers: Close the gas shut-off valves.
Oil boiler: Close the shut-off valves in the oil lines
(at the oil tank and filter).
3. Isolate the heating system from its main power
supply, e.g. at the separate MCB/fuse or at a
mains isolator.
!
Please note
If outside temperatures of below 3 °C are
expected, take appropriate measures to pro-
tect the heating system from frost.
If necessary, contact your contractor.
Information on prolonged shutdown
■
As the circulation pumps no longer run for a longer
period of time, these may seize.
■
After an extended shutdown, it may be necessary to
reset the date and time (see page 31).
Starting up the heating system
Ask your contractor about the following:
■
Necessary commissioning steps
■
Required system pressure level (minimum system
pressure)
■
Position of the following components:
–
Pressure gauge
–
Vents
■
Water quality requirements
■
Gas boilers: Gas shut-off valve
Oil boilers: Shut-off valves in the oil lines (at the oil
tank and filter)
1. Check the pressure of your heating system on the
pressure gauge. If the pressure in the heating sys-
tem is too low (< 1.0 bar/< 0.1MPa), top it up with
water or notify your contractor.
2. Check that the vents in the installation room are
open and unrestricted.
3. Gas boilers: Open the gas shut-off valve.
Oil boilers: Open the shut-off valves in the oil lines
(at the oil tank and filter).
4. Switch ON the power supply, e.g. at a separate
MCB/fuse or a mains isolator.
5. Turn on the ON/OFF switch.
The home screen is shown after a short time. Your
heating system and, if installed, remote controls
are ready for use.
Note
If your heating system has been shut down for a
prolonged period, you may need to reset the
"Time" and "Date": See chapter "Setting the time
and date".
Switching on and off
Shutting down the heating system (cont.)
5863758
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