Page 1: ... complete a path to ground are removed for semce they must be returned to their orlglnal posltlon and properly mtened Replacement of Main Board on AZ45 and AZ65 Zonelines 1 Disconnect power and access main board 2 Disconne all connections on the original bQard 3 Remove original board and install the new board 4 Reconnect all connections S Use the chart on the next page to set the dip switches to c...
Page 2: ...Heat pipe equipped Switch S3 2 ON Outlet Air Thermistor equipped located on the louver assembly 7 When the unit is powered on after replacing the board the display will show Pl Press the 11 11 button until the second digit matches the last number in the model number as shown below Nomenclature example AZ4SE09DABW2 Engineering Revision t I 1 p2 u 1 t hll I ft l l I 8 Press the red Aux button to sav...
