Carrier PrimeLINE - Figure 3.12 Refrigeration Circuit Schematic - Economized Operation

T-362 3–16
Figure 3.12 Refrigeration Circuit Schematic - Economized Operation
1) Compressor
2) Discharge Service Valve
3) Discharge Pressure Transducer (DPT)
4) Condenser
5) Receiver
6) Receiver Sight Glass
7) Fusible Plug
8) Receiver Liquid Level / Moisture Indicator
9) Receiver Liquid Line Service Valve
10) Filter Drier
11) Economizer
12) Economizer Solenoid Valve (ESV)
13) Economizer Expansion Valve (EXV)
14) Economizer Expansion Valve (EXV) Sensing Bulb
15) Economizer Connection
16) Electronic Expansion Valve (EEV)
17) Evaporator
18) Evaporator Temperature Sensor (ETS1)
19) Evaporator Temperature Sensor (ETS2)
20) Digital Unloader Valve (DUV)
21) Evaporator Pressure Transducer (EPT)
22) Suction Pressure Transducer (SPT)
23) Suction Service Valve
- - - - -
18
19
16
17
4
6
5
8
10
9
3
20
2
21
22
23
15
14
11
13
12
1
7
Discharge
Vapor
Liquid Saturated
Mixture
Suction
Vapor