chapter 41
troubleshooting
boilers
chapter 43
Space
100

a _____ is a general guide used by qualified technicians to install light HVAC equipment

what is installation manual

100

too hot complaint received homeowner states a friend tried to fix the furnace

what is faulty wiring 

100

what is air needed for in a boiler

what is combustion

100

what is the 4th sequence of operations for a boiler

what is trial for ignition

100

what planet has the most moons in our solar system

what is Saturn 

200

Furnaces typically use this as a way to self diagnose 

what is the Fault indicator LED

200

a too cold call the unit is operating properly but 2 degrees lower the setpoint 

what is a bad thermostat

200

improper installation of what piping can lead to carbon monoxide poisoning

what is vent pipe

200

too cold complaint the boiler is locked out on low water what is issue

what is the water level is low

200

what kind of star is our sun

what is a yellow dwarf star

300

what is the third sequence in the furnace operation

what is the combustion blower prepurging

300

too hot complaint. high side pressure is higher than normal

what is a dirty condenser

300

what setpoint are high temp limit controls typically set to on a hot water boiler

what is 240 degrees 

300

what chart do boilers typically have to diagnose issues

what is a flash code chart

300

how long does pluto take to orbit the sun

what is 248 years

400

______ is the equipment specific guide used by qualified technicians

what is the operation and maintenance manual

400

customer states dust and dirt are accumulating on items in their home 

what is air bypassing filter

400

what is side of a pump is a expansion tank installed

what is the suction side

400

the majority of boiler system problems are related to what

what is the boiler

400

how far above the surface of earth is considered space in miles

what is 62 miles above earth

500

where do you log the repairs made to a unit

what is the equipment maintenance log

500

air conditioner works intermittently suction line is frosting up gauges show wild fluctuating on the suction line as well  

what is a defective TXV

500

what should water supplied to a boiler be checked for

what is hardness and chlorine content

500

other than high water column pressure being to high what else can cause a noisy boiler

what is a gas air mixture problem

500

what was the last planet to be discovered in our solar system

what is pluto