LG MFL67870417 Owner's Manual page 19

Maintenance Cycle
• Recommended maintenance cycle of each part.
Name of Part
Air filter
Total Heat Exchanger
Humidifier Element
• This table indicates main parts.
• See the maintenance and inspection contract for details.
• This maintenance cycle indicates recommended lengths of time until the need arises for mainte-
nance work, in order to ensure the product is operational as long as possible.
• Use for appropriate maintenance design (budgeting maintenance and inspection fees, etc.).
• Life of humidifier element is about 3 years (4,000 hours), under the supply water conditions of
hardness ; 150mg/l.
• Life of humidifier element is about 1 year (1,500 hours), under the supply water conditions of hard-
ness ; 400mg/l.
• Annual operating hours : 10 hours/day x 26 days / month x 5 month = 1,300 hours.
• The cycle is not the same as the warranty period
Inspection cycle
(Cleaning cycle)
0.5 year
1 year
1 year
Humidifier Maintenance
Replacement Cycle
3 years
10 years
1~3 years
Owner's Manual 19