Danfoss TTS400

Figure 4-50 Backplane IGV LEDs
10. VerifytheIGVpositionindicatormovestowardclosed.
11. Measurethe+15VtestpointontheBackplanetoverifyvoltageissuppliedtotheSerialDriverforthe
IGV.RefertoFigure4-51Backplane+15VTestPoint.
Figure 4-51 Backplane +15V Test Point
4.9.3 IGV Housing Removal and Installation
• • • CAUTION • • •
RemovaloftheIGVmountingfastenerswillreleaserefrigerant.Isolationandrecoveryoftherefrigerantmustbeperformedbyaqualified
servicetechnicianadheringtoindustry/ASHRAEstandards.

4.9.3.1 IGV Housing Assembly Removal
1. Isolatecompressorpower.
2. RemovetheclampsecuringtheIGVConnector.RefertoFigure4-52IGVHarnessRemovalonpage86.
forthisandthefollowingstep.
3. DisconnecttheIGVMotorCableandSuctionSensorconnector.


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