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Initial start-up
Initial start-up
Set the system operating mode selector inside the control panel (RK-4) to
AUTO.
Note:
This control unit is supplied ex works with settings corresponding to the
hydraulics diagram shown overleaf.
During commissioning, all connected heating circuits are recognised
automatically. All sensors, which are not connected, are indicated in the
display in plain text as fault messages.
Should another hydraulics scheme be applied, set all control module
parameters in accordance with the operating instructions / installer level.
Clear fault messages:
Switch OFF the system ON/OFF switch. Switch ON the system ON/OFF
switch, and hold down the rotary selector of the control module until AUTO
SET appears.
Repeat this step for every control module.
This logs out all sensors, which are not connected thereby preventing fault
messages from being issued.
Checking connections:
Press info key "i", and scann the recognised temperatures, existing outputs
and operating conditions by turning the rotary selector. Check connections, if
required sensors do not appear.
NB
Please note:
When operating a pressurised gas burner, set parameter 03 = minimum
temperature limit to 50 °C on controller N1 at "Boiler" selection level
on the control panel.
Boiler thermostat in boiler control unit must also not be set below
50 °C (recommended setting 80 °C).
Operation below 50 °C may cause condensation which will result in
corrosion. This will destroy the boiler in the long run.
Set the ON/OFF switch on boilers I and II to "1".
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