Multi-Zone Technical Overview

TESTING
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ENGLISH
INDOOR WALL MOUNT UNIT TECHNICAL OVERVIEW
Accessing components/removing cover
1. To access components for service, rst disconnect
power to the outdoor unit. This will de-energize the
indoor unit.
2. Lift the front cover by prying on the two indented
nger holds at each end of the indoor unit.
3. Remove the three Phillips head screws located near
the bottom of the indoor unit. These screws are
located directly below the bottom of the air lter.
4. Remove the lters.
5. Manually open the louver.
6. Open the 3 caps that cover the screws located behind
the bottom of the louver. These caps ip up.
7. Remove the three screws located behind the caps.
8. Remove the two screws that hold the digital display
to the front cover. The display can hang free.
9. Release the air temperature sensor from the clip that
holds it.
10. Pull upward on the top of the indoor unit cover to free
it from the four retaining clips. The cover will pivot
downward. The cover should now pull away from the
indoor unit.
Test Procedures