Show:
INTRO TO HEATING
INTRO TO HEATING
CONTROL CIRCUITS
CONTROL CIRCUITS
TROUBLESHOOTING GAS HEAT
100
FUEL, IGNITION, OXYGEN
What is the three things need for combustion to occur.
100
MANOMETER
What is a device used to check gas pressure.
100
THE THERMOSTAT BIMETAL SWITCH CLOSES ON TEMPERATURE FALL
What is on a call for heat
100
DROOP
What is a condition that causes a bimetal t-stat to become inaccurate
100
A UNIT THAT NEED NO VENT PIPE
What is a package unit or electric furnace
200
GRADE 2
What is the fuel most likely used in residential oil furnaces
200
CARBON MONOXIDE AND ALDEHYDES
What are products of incomplete combustion
200
DEADBAND
What is the 3 degree temperature range that separates heating and cooling set points in a automatic changeover t-stat.
200
COMPONENT ARRANGEMENT DIAGRAM
What is a troubleshooting aid found on a label diagram
200
10 MV
What is the minimum read you should have when testing a thermocouple
300
THE FLAME WILL TURN YELLOW
What is if too little primary is supplied to the the gas burner
300
GRADE 1
What is the grade of oil used in a vaporizing-type oil burners.
300
COOLING COMPENSATOR
What is a device that that causes a cooling thermostat to close a little sooner
300
STUFFY OR SMOKEY ATMOSPHERE IN A BUILDING IS A SIGN OF...
What is insufficient fresh air supply
300
A COOLING UNIT WITH ELECTRIC RESISTANCE HEATERS IS
What is an electric-electric unit
400
TOO MUCH PRIMARY AIR
What condition will cause the flame to lift off the burn surface
400
COVERTS THE HEAT FROM THE PILOT INTO AN ELECTRICAL CURRENT
What is A thermocouple
400
CONTROLS CRANKCASE HEATERS, INITIATE DEFROST IN HEAT PUMP, AND SHUTS OFF EQUIPMENT BELOW A CERTAIN TEMPERATURE
What is a outdoor thermostat
400
FREE POINTS FREE POINTS
FREE POINTS
400
A DIRECT SPARK OR HOT SURFACE IGNITOR IS USE IN WHAT TYPE OF SYSTEM
What is a pilotless system
500
USED FOR INSTALLATIONS WHERE THE OIL TANK IS BELOW THE LEVEL OF THE BURNER.
What is A two-stage oil pump.
500
70 TO 90 DEGREES
What is the best spray angle for square or round combustion chambers
500
PREVENTS COMPRESSOR OPERATION UNTIL THE SYSTEM IS MANUALLY RESET
What is a compressor lockout circuit
500
1,000 OHMS PER VOLT
What is a good resistance when checking for grounded winding of a motor
500
IF A FURNACE KEEPS POPPING THE HIGH LIMIT THE #1 THING TO CHECK IS
What is the filter (lack of air flow)