100 Operating the Boiler
11.4.8 Operating in Air Purge Mode
To operate the boiler in air purge mode, press the Back button
(
) and the Menu button (
) simultaneously for 3 seconds, and
then select “8. Air Purge Mode”.
Rotate the Command dial (
) to switch between the parameters.
Press the Command dial (
) to run an air purge.
The boiler resumes operation in normal operation mode if no input
is detected for 15 minutes.
Press the Back button (
) to return to the previous screen or
menu.
Item
Description
1. SH pipe air purge
Run an air purge on the space heating
pipe.
11.4.7 Setting the Special Operation Modes
To operate the boiler in special operation modes, press the Back
button (
) and the Menu button (
) simultaneously for
3 seconds, and then select “7. Special Operations”.
Rotate the Command dial (
) to switch between the operation
modes. Press the Command dial (
) to select an operation mode.
The boiler resumes operation in normal operation mode if no input
is detected for 3 hours.
Press the Back button (
) to return to the previous screen or
menu.
Item
Description
1. Normal
Set the boiler to run in Normal
operation mode.
2. 1st MIN
Set the boiler to run in 1st stage
minimum operation mode.
3. DHW 1st MAX
Set the boiler to run in DHW 1st
maximum operation mode.
4. 2nd MIN
Set the boiler to run in 2nd stage
minimum operation mode.
5. DHW 2nd MAX
Set the boiler to run in DHW 2nd
maximum operation mode.
6. SH 1st MAX
Set the boiler to run in SH 1st maximum
operation mode.
7. SH 2nd MAX
Set the boiler to run in SH 2nd
maximum operation mode.
Summary of Contents for NFC-175
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