Motorized Hvac Equipment - Controls Symbols

Electrical symbols Part 9

Motorized Hvac Equipment - Controls Symbols

Symbol	Motorized Hvac Equipment - controls
	Disconnect switch, unfused type, size as indicated on drawings. ''xxA'' indicates amperage.
	Disconnect switch, fused type, size as indictaed on darawings. ''xxAF'' indicates from size. ;;yyAT'' indicates fuse rating.
	Enclosed circuit breaker, size as indicated. ''xxAF'' indicates frame size. ''yyAT'' indicates trip size
	Magnetic contactor; size indicated on drawings
	Magnetic motor starter. ''RV'' indicates reduced voltage. Starter size as indicated.
	Combination magnetic starter and disconnect switch. Starter size and fuse rating as indicated
	Automatic temperature control panel
	Equipment control panel
	Relay
	Aquastat
	Firestat
	Humidistat
	Line voltage thermostat
	Low-voltage thermostat
	Thermostat
	Solenoid valve.
	Time switch
	Airflow switch
	Electric/penumatic switch
	Flow switch
	Irrigation control
	Limit switch
	Penumatic/electric switch
	Photo cell or photo control
	Pressure switch