Danfoss TTS300 User Manual

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.


M-SV-001-EN Rev. H-1/23/2023 Page 85 of 294

Danfoss TTS300 Specifications

General

Brand	Danfoss
Model	TTS300
Category	Air Compressor
Language	English