4.24.3 DC-DC Removal and Installation
Removal
1. Isolate the compressor power as described in Section 1.8 Electrical Isolation on page 22.
2. Remove the Soft Start. Refer to Section 4.14.3 Soft Start Removal and Installation on page 117.
3. Remove the connectors from the DC-DC.
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Potted style - Four (4) connectors (DC Bus Input (J1), 250VDC (J2), 24VDC (J3), and 15VAC (J4)) from
the DC-DC Converter. Refer to Figure 4-229 Potted DC-DC on page 206.
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Open frame style - Three (3) connectors (DC Bus Input (J1), 250VDC Output (J2), and 24VDC output
(J4)) from the DC-DC Converter. Refer to Figure 4-230 Open Frame DC-DC on page 206.
Figure 4-229 Potted DC-DC
Figure 4-230 Open Frame DC-DC
4. Loosen the M3x10 fasteners that are located next to the Inverter. Refer to Figure 4-231 DC-DC
Converter Removal on page 207 for this and the next two (2) steps.
5. Remove the M3x10 fasteners that are located on the front side of the DC-DC Converter.
6. Lift the DC-DC Converter on the front side and slide it clear of the rear fasteners. If reusing, store the
DC-DC Converter in an anti-static bag.
7. After the removal of the DC-DC Converter, completely remove the remainder of the M3x10 fasteners.
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Содержание Turbocor TT Series
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