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LEGEND
NEC — National Electrical Code
TXV — Thermostatic Expansion Valve
*Accessory item.
†Field supplied.
NOTES:
1. All piping must follow standard refrigerant piping techniques.
2. All wiring must comply with the applicable local and national codes.
3. Wiring and piping shown are general points-of-connection guides
only and are not intended for, or to include all details for, a spe-
cific installation.
4. Liquid line solenoid valve (solenoid drop control) is recom-
mended to prevent refrigerant migration to the compressor. A bi-
flow type solenoid valve is required.
5. Filter drier must be of the biflow type, suitable for heat pump duty.
6. Internal factory-supplied TXV and bypass check valve not shown.
Fig.5—Typical Piping Diagram, 575A/524A-H
—5—