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M-SV-001-EN Rev. G
4.33.4.4 Discharge Pressure/Temperature Sensor Installation
1. Check and clean O-ring, housing thread, and O-ring sealing surface in the compressor housing.
Apply lube to O-ring.
2. Insert the sensor and engage the first few threads by hand.
3. Using a deep 15/16" socket, tighten the sensor to 10 Nm (7 ft.lb).
4. Reconnect the sensor connector.
5. Leak test and evacuate in accordance with standard industry practices.
6. Install the top covers. Refer to "4.2 Compressor Covers" on page 56.
7. Return the compressor to normal operation.
4.33.4.5 Economizer Pressure/Temperature Sensor Removal (TTH/TGH Compressors Only)
1. Isolate the compressor power.
2. Isolate the compressor and recover the refrigerant according to industry standards. Refer to
"3.1 Refrigerant Containment" on page 41.
3. Disconnect the sensor connector.
4. Using a deep 15/16" socket, remove the sensor from the Interstage Pipe.
Figure 4-307 Interstage Pressure/Temperature Sensor Removal
4.33.4.6 Economizer Pressure/Temperature Sensor Installation (TTH/TGH Compressors Only)
1. Check and clean O-ring, housing thread, and O-ring sealing surface in the compressor housing.
Apply O-lube to O-ring.
2. Insert the sensor and engage the first few threads by hand.
3. Using a deep 15/16" socket, tighten the sensor to 10 Nm (7 ft.lb).
4. Reconnect the sensor connector.
5. Leak test and evacuate in accordance with standard industry practices.
6. Install the top covers. Refer to "4.2 Compressor Covers" on page 56.
7. Return the compressor to normal operation.
4.33.4.7 Pressure/Temperature Sensor Torque Specifications
Table 4-52 Pressure/Temperature Sensor Torque Specifications
Sensor
Description Nm Ft.Lb. In.Lb.
Pressure/ Temperature Sensor 10 7 89
Cover fastener, M5x15 1.5 - 13
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