Operation and maintenance
General
After installing, check with the installer that the installation
is in good condition. Allow the installer to show controls and
functions so that you are fully aware about how to use and
maintain the installation.
Check that the water pressure is correct; air may remain in
the system after installing. This is why bleeding and pressure
checks should be carried out again.
Operation
Electrical output is controlled externally by the heat pump.
This means that the electrical output is connected and dis-
connected by the additional heater.
Safety valve
A safety valve that is installed in the heating system, in con-
nection with the closed expansion system, must be exercised
regularly, approximately 4 times per year to maintain the
safety function or according to national regulations.
Venting
Regularly check that there is water in the system. Air can re-
main in the system after installation and the radiators and
boiler should be bled again. After bleeding, the pressure
must be checked and water topped up if necessary.
Draining
If draining the system of water, the electric module must be
switched off to prevent damaging the immersion heater’s
electric coils.
Actions in the event of freeze risk
In the event of extreme cold, no part of the heating system
must be switched off, there is a risk of frost damage.
If a part of the heating system is thought to be frozen, con-
tact the installer.
If the heating system must be switched off for a long period
of time, drain the water and ensure that the immersion
heater cannot be started.
ELK 154
For Home Owners
Operation and maintenance
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