Danfoss TTS400 User Manual

Mains Input Cover Installation
1. EnsurethatnoresidueremainsonthecontactsurfacesofMainsInputCoverandTopCover.
2. PlacetheMainsInputCoverandsecureitwiththeM5x15fasteners.Tightenaccordingtothesequence
showninFigure4-7MainsInputCoverTorqueSequence.
Figure 4-7 Mains Input Cover Torque Sequence
3. Followthesequencetwice.Thefirsttime,onlytightenthefastenershalfwaydowntoallowfor
adjustment.Tightenthe#4fasteneronlyonceandbesuretonotovertighten.Torqueto13in.lb.on
thesecondpass.
4. Returnthecompressortonormaloperation.
4.1.2 Top Cover

4.1.2.1 Top Cover Removal and Installation
Top Cover Removal
1. IsolatecompressorpowerasdescribedinSection1.8ElectricalIsolationonpage22.
2. RemovetheMainsInputCoverbyreleasingtheM5x15fasteners.
3. RemovetheMainsInputcover.
4. RemovetheM5x15fastenersthatsecuretheTopCoverandremovethecover.
Top Cover Installation
1. EnsurethatnoresidueremainsonthecontactsurfacesofTopCoverandcastingsides.
2. PlacetheTopCoverandsecureitwiththeM5x15fastenersaccordingtothesequenceshowninFigure
4-8TopCoverTorqueSequenceonpage54.Followthesequencetwice.Thefirsttime,onlytightenthe
fastenershalfwaydowntoallowforadjustments.Torqueto13in.lb.onthesecondpass.

M-SV-001-EN Rev. H-1/23/2023 Page 53 of 294

Danfoss TTS400 Specifications

General

Brand	Danfoss
Model	TTS400
Category	Air Compressor
Language	English