Gree U-MATCH Series Service Manual page 26

Setting of filter clean reminder function is shown as Figure 2-4-1 below:
When setting the filter clean reminder function, timer zone will display 2 digits, of which the former
indicates the pollution degree of operating place and the latter indicates the accumulated operating time
of indoor unit. There are 4 types of situations:
(1) Clean Reminder is off (Timer zone shows "00").
(2) Slight pollution: the former digit in timer zone shows 1 while the latter one shows 0, which
indicates the accumulated operating time is 5500hr. Each time the latter digit increases 1, the
accumulated operating time increases 500hr. When it reaches 9, it means the accumulated operating
time is 10000hr.
(3) Medium pollution: the former digit in timer zone shows 2 while the latter one shows 0, which
Figure 2-4-1 Setting of filter clean reminder function
U-Match Series DC Inverter Service Manual
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