107
APPENDIX F (cont)
Discharge
Service
Valve
1
Oil Filter
(Internal)
Oil
Pump
Flow Switch
Sightglass
Dry Eye
Motor Cooling
Solenoid Valve
OIl Filter
(External)
Liquid Line
Service Valve
Strainer/
Filter Drier
Economizer
Economizer
TXV
Loader 1 Loader 2
4
5
Econ.
Solenoid
Motor Cooling
Solenoid Valve
Loader 2 Loader 1
5
4
Oil Filter
(Internal)
Econ.
Solenoid
Minimum Load Control
Solenoid (Option)
Minimum Load
Control Valve
(Option)
EXV
Service Valve
(SSV Option)
Suction Service Valve (Option)
Relief Valve
Suction Service Valve (Option)
7
8
Relief
Valve
10
3
6
6
Muffler
9
2
Liquid Line Solenoid
Valve (Brine Option)
Discharge
Service
Valve
(w/o SSV Option)
Relief Valve (SSV Option)
Muffler
(w/o SSV Option)
Relief Valve (SSV Option)
Oil Level Switch
Oil Level Indicating
Sightglasses
Check
Valve
Typical System Components, 30HXC206-271 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 Chilled Water
Thermistor
8—Leaving Chilled Water
Thermistor
9—Entering Condenser
Water Thermistor (Option)
10 — Leaving Condenser
Water Thermistor (Option)
— Refrigerant Access Fitting
— High Flow Schrader Valve
— Backseating Service Valve
with Refrigerant Port
— Fusible Plug
— Device Connection