108
APPENDIX F (cont)
Liquid Line
Service Valve
Strainer/
Filter Drier
Motor Cooling
Solenoid Valve
Discharge
Service
Valve
Oil Filter
(External)
Loader 2 Loader 1
Oil
Pump
5
Minimum Load Control
Solenoid (Option)
4
Oil Filter
(Internal)
3
EXV
Sightglass
Dry Eye
Muffler
Economizer
Economizer
TXV
6
(w/o SSV Option)
Relief Valve (SSV Option)
Service Valve
(SSV Option)
Minimum Load Control
Valve (Option)
2
1
Relief Valve
Suction Service Valve (Option)
8
7
Flow Switch
Relief
Valve
10
9
Liquid Line Solenoid
Valve (Brine Option)
Oil Level Switch &
Oil Level Indicating
Sightglasses
Check
Valve
Typical System Components, 30HXC206-271 Circuit B, 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 Chilled Water
Thermistor
8—Leaving Chilled Water
Thermistor
— Refrigerant Access Fitting
— High Flow Schrader Valve
— Backseating Service Valve
with Refrigerant Port
— Fusible Plug
— Device Connection