HVAC Parts

Question 1

What is this part called? (Be specific)

Answer 1

Direct spark ignitor

Question 2

What is this part called? (Be specific)

Answer 2

Silicon carbide ignitor

Question 3

What is this part called? (Be specific)

Answer 3

Inshot burner

Question 4

What is this part called? (Be specific)

Answer 4

Silicon nitride ignitor

Question 5

What type of burner is this?

Answer 5

Upshot burner

Question 6

What is this part called? (Be specific)

Answer 6

Flame rectification sensor

Question 7

What is this part called? (Be specific)

Answer 7

Two stage Gas valve

as per Candace

Question 8

What is this part called? (Be specific)

Answer 8

Flame rollout switch

Question 9

What is this part called? (Be specific)

Answer 9

High limit switch

Question 10

What is this part called? (Be specific)

Answer 10

Condensing Heat exchanger

Question 11

What is this part called? (Be specific)

Answer 11

Inducer motor

Question 12

What is this part called? (Be specific)

Answer 12

Pressure switch

Question 13

What is this part called? (Be specific)

Answer 13

Burner assembly

Question 14

What is this part called? (Be specific)

Answer 14

Squirrel cage

Question 15

What is this part called? (Be specific)

Answer 15

Transformer

Question 16

What temperature do flue gases condense at?

Answer 16

135°f and less

Question 17

What is this part called? (Be specific)

Answer 17

Thermocouple

Question 18

What is this part called? (Be specific)

Answer 18

Thermopile / Powerpile

Question 19

What determines the acidity of condensate?

Answer 19

Amount of carbon

Question 20

If the blower wheel is dirty the amperage will go?

Answer 20

Up

Question 21

If the evaporator coil is plugged the blower motor amperage will go?

Answer 21

Down

Question 22

What are 8 ways to tell a burner is failed/failing? (Be specific)

Answer 22

1.Rust in the carry over tracks
2. Impingement on the interior of the heat exchanger
3. Flame colour
4. Equipment efficiency
5. Dancing flame
6. Flame rollout
7. Delayed ignition
8. Combustion analysis

Question 23

What enters where the arrow is pointing?

Answer 23

Primary air

Question 24

What enters where the arrow is pointing?

Answer 24

Secondary air

Question 25

**What enters where the arrow is pointing?**

Answer 25

**Fuel**

Question 26

**Which part of the burner is the yellow arrow pointing towards?**

Answer 26

**The venturi**

Question 27

**What is the purpose of the flame rectification sensor?**

Answer 27

**To prove cross burner ignition**

Question 28

**How does a flame sensor prove cross burner ignition?**

Answer 28

**Flame ionization**

Question 29

**What unit of measurement is used when testing a thermocouple / thermopile?**

Answer 29

**mV** *(millivolts)*

Question 30

**How many mV *(millivolts)* are in a volt?**

Answer 30

**1,000**

Question 31

**A thermocouple is a safety control.** *True/False*

Answer 31

**True**

Question 32

**A thermopile / powerpile is a safety control.** *True/False*

Answer 32

**False**

Question 33

**Thermocouple / Thermopiles are _______ __________ .**

Answer 33

**Power Generators**

Question 34

**Why are the ignitor and flame sensor almost always placed on oposite ends of the burner assembly?**

Answer 34

**Prove cross burner ignition**

Question 35

**If a gas valve has come in contact with water and has begun rusting what are you required to do?**

Answer 35

**A tag the equipment.** *A gas valve is a safety device and must not come in contact with water.*

Question 36

**What type of equipment only has a primary heat exchanger?**

Answer 36

**Non-condensing equipment**

Question 37

**If you have water in the blower assembly you most likely have?**

Answer 37

**Leaking secondary heat exchanger**