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HEAT PUMPS
TROUBLESHOOTING
GAS FURNACE
AIR CONDITIONING
ELECTRICAL THEORY
100
INVERTS THE ROLES OF THE INDOOR AND OUTDOOR COILS
What is REVERSING VALVE
100
A TECHNICIAN ARRIVES ON A NO HEAT CALL AND FINDS THE INDUCED DRAFT MOTOR RUNNING, BUT NOTHING ELSE. THE TECH SHOULD START AT THE
What is PRESSURE SWITCH
100
OPERATING PRESSURE OF NATURAL GAS
What is 3.5" WC
100
ABSORBS HEAT
What is EVAPORATOR
100
MOVEMENT OF __________ THROUGH A _________ IS CALLED ________
What is ELECTRONS, CONDUCTOR, ELECTRICITY
200
THE POINT AT WHICH THE HEAT PUMP CAN NO LONGER HEAT THE HOUSE EFFICIENTLY
What is BALANCE POINT
200
LOW SUCTION PRESSURE, LOW SUPERHEAT, NORMAL SUBCOOLING, LOW HEAD PRESSURE
What is LACK OF AIRFLOW
200
SHUTS FURNACE OFF IF HEAT EXCHANGER IS CRACKED
What is ROLL OUT SWITCH
200
REDUCES PRESSURE AND CREATES THE EVAPORATOR COIL
What is METERING DEVICES
200
READING VOLTAGE ACROSS A SET OF CONTACTS
What is VERIFYING A SWITCH IS OPEN
300
THE STATE OF THE REFRIGERANT IN THE TRUE SUCTION LINE
What is LOW PRESSURE LOW TEMPERATURE VAPOR
300
HIGH SUBCOOLING WITH HIGH SUPERHEAT
What is RESTRICTED METERING DEVICE
300
DRAIN TRAP, INDUCER LOW, 80-90 DEGREE FLUE TEMPERATURES
What is WHAT IS A CONDENSING (90w%) FURNACE
300
USED FOR ADDING / REMOVING REFRIGERANT FROM THE SYSTEM
What is YELLOW (CENTER) HOSE ON MANIFOLD GAUGES
300
120V CIRCUIT THAT HAS AN AMP RESISTANCE OF 15 OHMS, WILL HAVE A _____ OF _______
What is CURRENT, 8 AMPS
400
HEAT PUMP WITH FUEL GAS
What is DUAL FUEL
400
HEAT PUMP HEATING WITH A DIRTY FILTER WILL CAUSE_____
What is HIGH HEAD PRESSURE
400
PROVES THAT THERE IS ADEQUATE AMOUNT OF DRAFT FOR PROPER FURNACE OPERATION
What is PRESSURE SWITCH
400
A BINARY BLEND OF REFRIGERANT USED TO REPLACE A SINGLE COMPOUND IN RESIDENTIAL APPLICATIONS
What is R-410A
400
75VA 24V TRANSFORMER CAN HANDLE MAX ______A
What is 3.125
500
PART THAT ENSURES 100% VAPOR ENTERS THE COMPRESSOR
What is ACCUMULATOR
500
LOW AIRFLOW, DIRTY FILTER, LOW REFRIGERANT LEVELS, BAD BLOWER, RESTRICTED METERING DEVICE. ALL CAUSE_____
What is EVAPORATOR COIL TO FREEZE
500
100,000 BTU INPUT FURNACE WITH A 58 DEGREE TEMPERATURE RISE WILL HAVE TOTAL CFM OF_______
What is 1277CFM
500
RUNNING 1-2 PSI THROUGH TO PREVENT OXIDATION
What is NITROGEN PURGE WHILE BRAZING COPPER
500
LARGE COMMERCIAL / INDUSTRIAL MOTORS THAT DO NOT NEED CAPACITORS
What is 3 PHASE