Description Of The S3 Control Panel - OERTLI PK 350 User Manual

3.3 Description of the S3 control panel

1. General ON (1) / OFF (0) switch
2. Switch Test-STB
Temporary action to test the safety thermostat
3. Boiler thermostats (30 to 85 °C)
A factory-set stop limits the maximum temperature to 75 °C.
4. Boiler thermometer, Boiler temperature display
5. Location for flue gas thermometer (optional)
6. Timed circuit breaker (6 A) with delayed action and manual
reset
7. Safety thermostat with manual reset
(set to 110 °C)
The safety thermostat with manual reset ensures that the boiler
operates safely.
In the event that there is an abnormal rise in the
temperature in the boiler 110° C. Advise your installation
engineer.
16/03/2016 - 300019443-02 PK 350 - PK 450 - PK 550
3. Description
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