Commissioning; Switching Off The Boiler; Precautions Required In The Case Of Long Boiler Stops; Precautions Required If The Heating Is Stopped When There Is A Risk Of Freezing - OERTLI PK 550 Installation And Service Manual

5. Commissioning

5 Commissioning
See:
- Control panel instructions
- Burner instructions
- Domestic hot water calorifier instructions

6 Switching off the boiler

Set the On/Off switch to O.
See: Control panel instructions
Cut the gas supply to the boiler (if present)

6.1 Precautions required in the case of long boiler stops

- The boiler and the chimney must be swept carefully.
- Close all the doors of the boiler to prevent air from circulating inside
the boiler.

6.2 Precautions required if the heating is stopped when there is a risk of freezing

We recommend the use of a correctly dosed antifreeze agent to
prevent to the heating circuit from freezing.
If this cannot be done, drain the system completely.
18
DIEMATIC-m3 control panel
The panel must always be supplied with 230V voltage:
- to ensure the anti-grip of the heating pump,
- to ensure Titan Active System® operation when a titanium anode
is protecting the DHW tank.
Use the mode:
- summer to shut down the heating.
- antifreeze to shut down the boiler if you are to be absent.
- We advise removing the pipe which connects the boiler to the
chimney and to close off the nozzle with a cover.
PK 550 18/03/2016 - 300020192-02