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APPENDIX F (cont)
Motor Cooling
Solenoid Valve
Discharge
Service
Valve
Discharge
Service
Valve
Minimum Load Control
Solenoid (Option)
Minimum Load
Control Valve
(Option)
Oil Filter
(Internal)
Suction Service Valve (Option)
8
Relief Valve
Suction Service Valve (Option)
1
7
EXV
Flow Switch
Sightglass
Dry Eye
Motor
Cooling
Solenoid
Valve
Equalizer Line (Field Supplied/Connected)
Back Pressure Valve
Liquid Line
Service Valve
Strainer/Filter Drier
Economizer
Economizer
TXV
Back Pressure
Valve
Oil Level
Switch
Oil Level
Switch
Relief Valve
From Condenser
(w/o SSV Option)
Relief Valve (SSV Option)
(w/o SSV Option)
Relief Valve (SSV Option)
To Condenser
Loader 1 Loader 2
Oil Filter
(Internal)
Oil
Pump
4
5
Muffler
Oil Filter
(External)
6
3
Service Valve
(SSV Option)
Loader 2 Loader 1
5
4
Muffler
6
Economizer Solenoid
2
Economizer
Solenoid
Check
Valve
Typical System Components, 30HXA206-271 Circuit A, With Economizer
LEGEND
EXV — Electronic Expansion Valve
SSV — Suction Service Valve
TXV — Thermostatic Expansion
Valve
1—Suction Pressure Transducer
2—Discharge Pressure Transducer
3—Economizer Pressure
Transducer
4—Oil Pressure Transducer
5—High Pressure Switch
6—Discharge Gas Thermistor
7—Entering Water Thermistor
8—Leaving Water Thermistor
— Refrigerant Access Fitting
— High Flow Schrader Valve
— Backseating Service Valve
with Refrigerant Port
— Fusible Plug
— Device Connection