Control Panel - Ferroli OPTIMAX 25 S Instructions For Use, Installation And Maintenance

Wall-mounting gas boiler, pre-mixed condensing system boiler

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Optimax 25 S

1.2 Control panel

ﬁ g. 1

1 - System temperature adjustment / Summer/Winter selection

This knob is used to adjust the system temperature and can switch over between summer / winter. To

increase the system temperature, turn the knob clockwise; anticlockwise to decrease it. To select the

summer mode, turn it anticlockwise to the minimum setting.

2 - ON-OFF / Reset / Test

Holding the key down for at least 5 seconds turns off the boiler. To turn it back on, press the key again

for 5 seconds.

Pressing the key resets boiler operation after a shutdown or lock-out.

Pressing the key 3 times within 5 seconds automatically takes you to TEST operation.

3 - Multi-function

In combination with the reset key, this is used to access the Installer menu.

4 - Operating display

On stand-by and during boiler operation this indicates the boiler operating temperature, a ﬂ ame (point

at bottom lit up) or a fault code if a problem occurs.

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