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M-SV-001-EN Rev. G
4.20 SCR Cooling Manifold
Figure 4-171 SCR Cooling Manifold
4.20.1 SCR Cooling Manifold General Removal
1. Isolate the compressor power as described in Section "1.8 Electrical Isolation" on page 19.
2. Isolate the compressor and recover the refrigerant according to industry standards. Refer to
"3.1 Refrigerant Containment" on page 41.
3. Remove the mains input cables from the Terminal Block.
4. Remove the Soft Start. Refer to "4.15.3 Soft Start Removal and Installation" on page 112.
5. For TTS300/TGS230 compressors, continue to "4.20.2 SCR Cooling Manifold Removal - TTS300/
TGS230" and for all other TTS/TGS/TTH/TGH compressors, continue to "4.20.3 SCR Cooling
Manifold Removal - TTS/TGS/TTH/TGH (Except TTS300/TGS230)" on page 151.
4.20.2 SCR Cooling Manifold Removal - TTS300/TGS230
1. Remove the Fuses. Refer to "4.12.2.2 Specific 3-Phase Main Voltage Input Terminal Block
Removal - TTS300/TGS230" on page 98.
2. If the SCR Cooling Manifold is to be replaced, remove the SCR Bus Bars. Refer to "4.16.1 SCR DC
Bus Bar Removal and Installation" on page 120.
3. Remove the SCRs. Refer to "4.19.3.2 SCR Removal - Two Hole Mount - TTS300/TGS230" on page
4. Remove the DC Bus Bars and Capacitor Assembly. Refer to "4.22.3 DC Capacitor Bus Bar
Assembly Removal and Installation" on page 158.
5. Remove the Inverter. Refer to "4.23.6 Inverter Removal and Installation" on page 168.
Figure 4-172 Inverter Assembly Removal - TTS300/TGS230
TTS350 SCR Cooling Manifold
Shown
Inverter Assembly
Mounting Fastener,
M6x30
(20 places)
Large O-ring
Small O-ring
Inverter
Assembly
SCR Cooling
Manifold
Содержание TGH285
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