Power Venters

Question 1

Power Venters must be installed At Least _______ Foot Above Doors or Windows.

Answer 1

Power Venters must be installed At Least 1 Foot Above Doors or Windows.

Question 2

Power Venters must be installed At Least _______ Feet Above Public Walkways.

Answer 2

Power Venters must be installed At Least 7 Feet Above Public Walkways.

Question 3

Power Venters must be installed At Least _______ Feet To The Side Of Any Doors Or Windows.

Answer 3

Power Venters must be installed At Least 4 Feet To The Side Of Any Doors Or Windows.

Question 4

Power Venters must be installed At Least _______ Foot Above Finished Grade.

Answer 4

Power Venters must be installed At Least 1 Foot Above Finished Grade.

Question 5

Power Venters must be installed At Least _______ Feet Above Any Outside Air Intake Within _______ Feet.

Answer 5

Power Venters must be installed At Least 3 Feet Above Any Outside Air Intake Within 10 Feet.

Question 6

Power Venters must be installed At Least _______ Feet Below Windows.

Answer 6

Power Venters must be installed At Least 4 Feet Below Windows.

Question 7

Power Venters must be mounted At Least _______ Feet From The Inside Corners Of A Building.

Answer 7

Power Venters must be mounted At Least 3 Feet From The Inside Corners Of A Building.

Question 8

Sequence of Operation for a power vent:
1.
2.
3.

Answer 8

Sequence of Operation for a power vent:
1. Call for heat
2. Power venter turns on
3. Pressure switch on power venter makes contact close (when it proves there is draft) and sends power to burners.

Question 9

When is a draft inducer used?

Answer 9

when a natural draft chimney does not produce good draft.

Question 10

A and B terminals are used as a/an ______ switch.

Answer 10

an end switch

Question 11

What does a power vent do?

Answer 11

exhausts the products of combustion by means of mechanical draft.

Question 12

Power venters can be used for what kind of fuel?

Answer 12

natural gas, L.P. gas, and fuel oil.

Question 13

2 manufacturers of power venters are _________ and _________.

Answer 13

Fields and Tjernlund.

Question 14

Field Terminals:
L1:
L2:
T1:
T2:
T3:
B1:
B2:

Answer 14

Field Terminals:
L1: Hot 120 volts
L2: Neutral 120 volts
T1: Hot 24 volts from R on Transformer or B1 on Aquastat
T2: Neutral from TH of Transformer or gas valve or B2 on Aquastat
T3: TR on gas valve
B1: T1 (24 volts AC)
B2: T2 TH on gas valve (24 volts AC)