Installation and Operation manual ETHOS 36C and ETHOS 54C –1511/05-issue1
Page 15
2. Installer menu:
Perform the following actions to access the Installer menu.
Ø First press the ’-’ and ’Info’ buttons simultaneously (3 sec.).
Ø After pressing these buttons, the window will show a ’0’.
Ø Then enter code ’8’ by using the ’+’ or ’-’ buttons and press the Info button to access the Installer menu (see
5.4 Installer programme).
Ø Exit this Installer menu by pressing the Info button until the display shows the central heating water
temperature. Then the modified parameters will be automatically saved. If you do not wish to save the
modifications, wait 1 minute and you will automatically exit this service menu without saving the modified
settings.
3. Adjusting the gas valve:
Pressing the ’–’ and ’+’ buttons simultaneously (3 sec.) = Gas valve adjusting mode for 20 minutes, (display shows
an ’H’ or ’L’). By pressing the ’+’ or ’–’ buttons again, the high and low setting speeds can be accessed. The display
alternately shows the speed in thousandths (e.g. 6.2 is 6,200 rpm) and an ’H’ for max CH output. The display
alternately shows an ’L’ and e.g.1.5 (1,500 rpm) for the minimum CH output.
Cancel the gas valve adjusting mode by simultaneously pressing the ’+’ and ’–’ buttons and the appliance will
operate automatically.
4. Programming with a computer:
The boiler is equipped with a pc-interface. The boiler control unit of the boiler can be linked to a pc using a special
cable interface and software
This option can be used to read-out information from the burner control unit or programme new settings or updated
boiler software. Contact Mikrofill for further information.
5.3 Sensors
The following temperature sensors are used:
10K NTC:
supply sensor (Number: 36, par 9 Exploded view)
cold water sensor (Number: 30, , par 9 Exploded view)
hot water sensor (Number: 31, , par 9 Exploded view)
12K NTC:
outside temperature sensor (if installed)
Temperature
Sensor 10 K NTC resistance
Temperature
Sensor 12K NTC resistance (outside temperature sensor)
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