Electrical symbols Part 9
Motorized Hvac Equipment - Controls Symbols
Symbol
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Motorized Hvac Equipment - controls
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Disconnect
switch, unfused type, size as indicated on drawings. ''xxA'' indicates
amperage.
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Disconnect
switch, fused type, size as indictaed on darawings. ''xxAF'' indicates from
size. ;;yyAT'' indicates fuse rating.
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Enclosed
circuit breaker, size as indicated. ''xxAF'' indicates frame size. ''yyAT''
indicates trip size
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Magnetic
contactor; size indicated on drawings
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Magnetic
motor starter. ''RV'' indicates reduced voltage. Starter size as indicated.
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Combination
magnetic starter and disconnect switch. Starter size and fuse rating as
indicated
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Automatic
temperature control panel
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Equipment
control panel
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Relay
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Aquastat
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Firestat
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Humidistat
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Line
voltage thermostat
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Low-voltage
thermostat
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Thermostat
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Solenoid
valve.
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Time switch
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Airflow
switch
|
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Electric/penumatic switch |
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Flow
switch
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Irrigation
control
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Limit
switch
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Penumatic/electric
switch
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Photo
cell or photo control
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Pressure
switch
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