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HVACR317 – Core for Refrigeration. Symbols 2. THE COIL OF THE CONTROL RELAY MUST ENERGIZE FIRST BEFORE THE ASSOCIATED CONTACTS CLOSE. THE COIL OF THE CONTROL RELAY MUST ENERGIZE FIRST BEFORE THE ASSOCIATED CONTACTS CLOSE.
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HVACR317 – Core for Refrigeration Symbols 2
THE COIL OF THE CONTROL RELAY MUST ENERGIZE FIRST BEFORE THE ASSOCIATED CONTACTS CLOSE
THE COIL OF THE CONTROL RELAY MUST ENERGIZE FIRST BEFORE THE ASSOCIATED CONTACTS CLOSE
THE COIL OF THE CONTROL RELAY MUST ENERGIZE FIRST BEFORE THE ASSOCIATED CONTACTS CLOSE
CONTACTS: SPST - Single Pole Single Throw SPDT - Single Pole Double Throw DPST - Double Pole Single Throw DPDT - Double Pole Double Throw
ELECTRO-MAGNETIC DEVICES SOLENOIDS
OVERLOAD PROTECTION MOTOR STARTER
MOTOR STARTER M1 L1 T1 L1 L2 T2 L2 L3 T3 L3 OVERLOAD PROTECTION M1 OL OL OL 2 3
OVERLOAD HEATERS OVERLOAD CONTACTS MOTOR STARTER OVERLOAD COMPONENTS
MOTOR STARTER M1 L1 T1 L1 L2 T2 L2 L3 T3 L3 M1 OL OL OL 2 3
ELECTRICAL ENERGY CONVERTS TO HEAT ELECTRIC RESISTANCE HEATERS
CONVERTS VAC to VAC TRANSFORMERS
L1 N S-1 R
PROTECTION UP TO FUSE RATING FUSES (OVERLOAD PROTECTION DEVICES
RATED IN FARADS CAPACITORS
CURRENT RELAY COMPRESSOR WIRING DIAGRAM
CURRENT RELAY Cut-In Amps Cut-Out Amps AMPS COMPRESSOR WIRING DIAGRAM TIME
PSC MOTOR PERMANENT START CAPACITOR
CLOSES ON TEMP FALL HEATING THERMOSTAT CLOSES ON TEMP RISE COOLING THERMOSTAT THERMOSTATS
COILS ACT AS ELECTRO-MAGNETS MAIN GAS VALVE
SYSTEM PRESSURE ACTS ON DIAPHRAGM LOW PRESSURE CONTROL SWITCH