Panasonic CS-TZ20WKEW, Service Manual, Page: 70 / 233

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12.2.9 Evaluation of the Performance

Operate the unit at cooling/heating operation
mode for fifteen minutes or more.

Measure the temperature of the intake and
discharge air.

Ensure the difference between the intake
temperature and the discharge is more than 8°C
during Cooling operation or more than 14°C
during Heating operation.
12.2.10 Installation of Dust Collector Filter/Air Purifying Filter
1 Open the front panel.
2 Remove the air filters.
3 Put the Dust Collector Filter/Air Purifying Filter
into place as shown in illustration at right.
Discharge air
Dust Collector Filter/Air Purifying Filter
Air filter