Service Manual

U-Match Series DC Inverter Service Manual
24
Setting of filter clean reminder function is shown as Figure 2-4-1 below:
Figure 2-4-1 Setting of filter clean reminder function
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
indicates the accumulated operating time is 1400hr. Each time the latter digit increases 1, the