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PH50, XL50, XL21 series Set-up and Installation Manual
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2.4.3.3. FILTER RESET
You can reset filter used hours.
1. Select FILTER RESET in MAINTENANCE in the system menu.
2. Press [ENTER] button in reply to “RESET OK?” message.
2.4.3.4. FILTER TIME
You can designate the hours of interval to show “CHECK FILTER” message. The initial setting is
4,000 hours. If you set 0, the message will not be displayed.
1. Select FILTER TIME in INSTALLATION in the system menu.
2. Set the value to designate the hours of interval to display the warning message.