T-334
2--3
2.1.4 Compressor Section
The compressor section includes the compressor (with
high pressure switch), a discharge pressure transducer
and the suction pressure transducers.
The supply temperature sensor, supply recorder sensor
and ambient sensor are located to the left of the
compressor.
Suction modulation valve is located behind the control
box.
14
1
22
2
10
11
16
17
12
14
3
19
21
14
7
8
9
15
20
18
13
4
5
6
1. Compressor Guard
2. Supply Air Thermometer Port (location)
3. Compressor
4. Discharge Connection (Hidden)
5. Economizer Connection
6. Suction Connection (Hidden)
7. Compressor Power Plug
8. Oil Drain
9
Compressor Sight Glass
10. Discharge Service Valve
11. Suction Modulating Valve
12. Suction Line
13. Compressor Suction Sensor (CPSS)
14. Access Valve/Fitting
15. Economizer Connection
16. Suction Strainer
17. Suction Pressure Transducer
18. Compressor Discharge Sensor (CPDS)
19. From Economizer
20. To Condenser Coil
21. To Unloader Solenoid Valve
22. Supply Temperature/Supply Recorder Sensor
Assembly
Figure 2--3 Compressor Section
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