HTC 1500 IXT - Emptying Mode (EMPTY)

Operation
HTC 1500 ixT
28 3.0
4.7.4. Emptying mode (EMPTY)
Emptying mode is used when replacing Longopac and for manual
filter cleaning (MAN).
• Turn the knob to EMPTY to open the butterfly valves.
After one minute, the knob turns to AUT.
• Turn the knob to MAN to return to normal operation
more quickly, and then back to AUT to run the automatic
programme.