The boiler will not function directly. The automatic
will show 
where A stands for Automatic
Check the water pressure regularly and top up the installation when necessary.
The working pressure of the installation should be between 22 and 25 PSI
It can take a while before all air has disappeared from a filled installation. Especially in the first week noises can be heard which indicate the presence of air. The automatic air vent in the boiler will remove the air, which means the water pressure will reduce during this period and therefore topping up with water will be necessary to adjust the flow water temperature
Turning the boiler off
Holiday period:
Adjust the thermostat* to the holiday period. See the user thermostat manual. The hot water facility can be switched off by means of the program button 
on the control panel.
Re-setting the central heating system:
Holiday
*If you have a RS100 thermostat it is provided with a holiday program. The holiday period can be adjusted on the thermostat itself. The central heating and DHW supply are switched off during that period. There is also the option that only the central heating is switched off. With all of these possibilities the frost protection system is active.
Switch off the three program buttons 
, 
, 
when these are activated. Switch off the power supply. When the boiler is being drained one should take into account that a part of the heating water will remain in the boiler. When risk of frost arises one should take care that the
remaining central heating water in the boiler does | Series |
not freeze. | |
| Operating instructions Rinnai Q- |
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