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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



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hamada i'm hamada rageh electrical power engineer my talent to write articles about electrical engineering and i depend on google books site to write my articles

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