3–11
T-340
Figure 3.7 Refrigeration Circuit Schematic - Standard Operation
1) Compressor
2) Discharge Service Valve
3) Discharge Temperature Sensor (CPDS)
4) Discharge Pressure Transducer (DPT)
5) Condenser
6) Receiver
7) Receiver Sight Glass
8) Receiver Liquid Level / Moisture Indicator
9) Liquid Line Service Valve
10) Filter Drier
11) Economizer
12) Economizer TXV
13) Economizer Solenoid Valve (ESV)
14) Economizer TXV Sensing Bulb
15) Electronic Expansion Valve (EEV)
16) Evaporator
17) Evaporator Temperature Sensors (ETS1 & ETS2)
18) Digital Unloader Valve (DUV)
19) Evaporator Pressure Transducer (EPT)
20) Suction Pressure Transducer (SPT)
21) Suction Service Valve
- - - - -
DISCHARGE
LIQUID
SUCTION
16
17
15
5
18
14
3
13
12
10
9
6
7
8
4
2
19
20
21
1
11