Compressor Section; Figure 3. Compressor Section - Carrier 69NT40-489-100 Series Operation And Service Manual

2.1.4 Compressor Section

The compressor section includes the compressor (with
high pressure switch),
compartment, and autotransformer
This section also contains the suction modulation valve,
9
8
23
22
21
1. Power Autotransformer
2. Power Cables and Plug
3. Compressor Sight Glass View Port
4. Compressor Guard
5. Supply Temperature Sensor
6. Supply Recorder Sensor
7. Ambient Sensor
8. Discharge Service Valve
9. Discharge Temperature Sensor
10. Discharge Pressure Regulator Valve
11. Quench Valve Temperature Bulb
12. Suction Temperature Sensor
power cable storage
10 11
19
20

Figure 3. Compressor Section

modulating valve stepper motor drive, discharge
pressure regulator
pressure transducers.
The supply temperature sensor, supply recorder sensor
and ambient sensor are located at the right side of the
compressor.
1
2
3
12
16
17
18
13. Stepper Motor Drive (for item 17)
14. Emergency Bypass Module (for item 17)
15. Quench Valve
16. Access Valve
17. Suction Modulation Valve
18. Suction Service Valve
19. Compressor Crankcase Heater
20. Compressor Motor
21. Suction Pressure Transducer
22. Discharge Pressure Transducer
23. High Pressure Switch
7
valve and discharge/suction
4
5
6
7
13
14
15
T-305