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LARGE CASSETTE TECHNICAL OVERVIEW
E-1
ENGLISH
LARGE CASSETTE TECHNICAL OVERVIEW
Table of Contents
Components ..........................................................................................................................................................................E-2
Component Overview ..........................................................................................................................................................E-2
Cassette Unit Indoor Circuit Board ......................................................................................................................................E-4
Testing ...................................................................................................................................................................................E- 5
Accessing the Blower Motor and Condensate Pump .........................................................................................................E-5
Removing Fan Motor ............................................................................................................................................................E-5
Removing Condensate Pump ..............................................................................................................................................E-5
Indoor Fan Motor Test Procedure ........................................................................................................................................E- 6
Testing Temperature Sensors ..............................................................................................................................................E-6
Testing Louver Motors .........................................................................................................................................................E-7
Testing Communication Circuit ...........................................................................................................................................E- 7
Test Condensate Pump and Float Switch ............................................................................................................................ E-8
Wiring Diagram ......................................................................................................................................................................E- 9
DIP Switch Settings .............................................................................................................................................................E-10
Error Codes ..........................................................................................................................................................................E-11
AL24LP2VHA
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