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2024 Economizer Training Day 2 Test

2024 Economizer Training Day 2 Test

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Question 1 of 29

1. Question

Free cooling energy savings are based on cooling hours and outdoor air conditions but can be significantly influenced by ?

Fresh Air Requirements
Correct Incorrect Correct answer

Building Energy Costs
Correct Incorrect Correct answer

IAQ Requirements
Correct Incorrect Correct answer

Outside Air Temperature
Correct Incorrect Correct answer

1 & 3
Correct Incorrect Correct answer

1 & 2
Correct Incorrect Correct answer
Question 2 of 29

2. Question

The economizer receives signals from the Outside Air Sensor and the ________ or ________to maintain discharge air temperature ?

Supply Air Sensor
Correct Incorrect Correct answer

Mixed Air Sensor
Correct Incorrect Correct answer

Return Air Sensor
Correct Incorrect Correct answer

Enthalpy Sensor
Correct Incorrect Correct answer

1 & 3
Correct Incorrect Correct answer

1 & 2
Correct Incorrect Correct answer
Question 3 of 29

3. Question

Can a MAT Sensor look like a ring terminal?

Yes
Correct Incorrect Correct answer

No
Correct Incorrect Correct answer
Question 4 of 29

4. Question

At 50% RH what Enthalpy setting has the lowest temperature control point?

A
Correct Incorrect Correct answer

B
Correct Incorrect Correct answer

C
Correct Incorrect Correct answer

D
Correct Incorrect Correct answer
Question 5 of 29

5. Question

On a W7212 controller what terminals are for the single enthalpy sensor?

T1 & T
Correct Incorrect Correct answer

AQ1 & AQ
Correct Incorrect Correct answer

SO+ & SO
Correct Incorrect Correct answer

SR+ & SR
Correct Incorrect Correct answer
Question 6 of 29

6. Question

To calculate the appropriate mixed air temperature you need to know the?

TO
Correct Incorrect Correct answer

OA
Correct Incorrect Correct answer

TR
Correct Incorrect Correct answer

RA
Correct Incorrect Correct answer

All of the above
Correct Incorrect Correct answer

None of the above
Correct Incorrect Correct answer
Question 7 of 29

7. Question

Too much outside air can cause?

High Humidity Levels
Correct Incorrect Correct answer

Not Reaching Setpoint
Correct Incorrect Correct answer

High C02 Levels
Correct Incorrect Correct answer

Over-pressurization of the building
Correct Incorrect Correct answer

All of the above
Correct Incorrect Correct answer

None of the above
Correct Incorrect Correct answer
Question 8 of 29

8. Question

What is the signal to the IAQ Sensor?

2-10vdc
Correct Incorrect Correct answer

12vdc
Correct Incorrect Correct answer

0-10vdc
Correct Incorrect Correct answer

24vac
Correct Incorrect Correct answer

4-20ma
Correct Incorrect Correct answer
Question 9 of 29

9. Question

Our C02 Sensors default range is ________PPM.

0-2000
Correct Incorrect Correct answer

0-900
Correct Incorrect Correct answer

0-1100
Correct Incorrect Correct answer

0-9999
Correct Incorrect Correct answer
Question 10 of 29

10. Question

When demand ventilation control is not being used, the maximum position potentiometer should be

Turned fully counter-clockwise
Correct Incorrect Correct answer

Set in the middle
Correct Incorrect Correct answer

Turned fully clockwise
Correct Incorrect Correct answer

Doesn't really matter
Correct Incorrect Correct answer
Question 11 of 29

11. Question

What is the sensor we use to control humidity?

Humidistat
Correct Incorrect Correct answer

OAT Sensor
Correct Incorrect Correct answer

SAT Sensor
Correct Incorrect Correct answer

RAT Sensor
Correct Incorrect Correct answer

Enthalpy Sensor
Correct Incorrect Correct answer
Question 12 of 29

12. Question

Do you need the 620K Ohm resistor if you are using an Enthalpy Sensor?

Yes
Correct Incorrect Correct answer

No
Correct Incorrect Correct answer
Question 13 of 29

13. Question

Do you need the 620k ohm resistor if you are using an RAT Sensor?

Yes
Correct Incorrect Correct answer

No
Correct Incorrect Correct answer
Question 14 of 29

14. Question

What is the signal voltage to the actuator motor?

24vac
Correct Incorrect Correct answer

12vdc
Correct Incorrect Correct answer

2-10vdc
Correct Incorrect Correct answer

0-10vdc
Correct Incorrect Correct answer
Question 15 of 29

15. Question

If the Economizer wont open, jumper ____ to ____ and the green light should come on?

AQ1 to AQ
Correct Incorrect Correct answer

SR to SR+
Correct Incorrect Correct answer

SO to SO+
Correct Incorrect Correct answer

T1 to T
Correct Incorrect Correct answer
Question 16 of 29

16. Question

How many wires go to a standard actuator motor?

2
Correct Incorrect Correct answer

3
Correct Incorrect Correct answer

4
Correct Incorrect Correct answer

5
Correct Incorrect Correct answer
Question 17 of 29

17. Question

Where is the location of the W7220 Honeywell controller in the unit’s control box?

Right side
Correct Incorrect Correct answer

Left side
Correct Incorrect Correct answer

Middle
Correct Incorrect Correct answer

Top
Correct Incorrect Correct answer

Bottom
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Question 18 of 29

18. Question

What side are the equipment inputs and outputs on the W7220 controller?

Right side
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Left side
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Question 19 of 29

19. Question

What side are the sensor connections on the W7220 controller?

Right side
Correct Incorrect Correct answer

Left side
Correct Incorrect Correct answer
Question 20 of 29

20. Question

What is the MAT/SAT default temperature set to?

50°
Correct Incorrect Correct answer

56°
Correct Incorrect Correct answer

53°
Correct Incorrect Correct answer

55°
Correct Incorrect Correct answer
Question 21 of 29

21. Question

Is there a Checkout mode on the Honeywell W7220 controller?

Yes
Correct Incorrect Correct answer

No
Correct Incorrect Correct answer
Question 22 of 29

22. Question

How many additional harnesses for the economizer come with the 48/50-FC/GC units

One
Correct Incorrect Correct answer

Two
Correct Incorrect Correct answer

Three
Correct Incorrect Correct answer

Four
Correct Incorrect Correct answer
Question 23 of 29

23. Question

Does the W7220 controller use the 2-10vdc signal or is it done through the S bus connections on a 48/50-FC/GC

S bus
Correct Incorrect Correct answer

2-10vdc
Correct Incorrect Correct answer
Question 24 of 29

24. Question

Can you set the date on a Honeywell W7220 controller?

Yes
Correct Incorrect Correct answer

No
Correct Incorrect Correct answer
Question 25 of 29

25. Question

Power exhaust fans can be old to come on by what types of switches?

Mercury bulb
Correct Incorrect Correct answer

End switch
Correct Incorrect Correct answer

Micro switch
Correct Incorrect Correct answer

Internal voltage feedback
Correct Incorrect Correct answer

Cooling signal
Correct Incorrect Correct answer

All of the Above
Correct Incorrect Correct answer
Question 26 of 29

26. Question

If the actuator position displays 100%, what voltage should you measure at the actuator?

2vdc
Correct Incorrect Correct answer

24vac
Correct Incorrect Correct answer

10vdc
Correct Incorrect Correct answer

5.5vdc
Correct Incorrect Correct answer
Question 27 of 29

27. Question

What can be checked in the “Checkout” mode on the W7220?

Drive actuator open/close
Correct Incorrect Correct answer

Energize heat
Correct Incorrect Correct answer

Close Y1-O relay
Correct Incorrect Correct answer

Bring blower on
Correct Incorrect Correct answer

Test CO2 Sensor
Correct Incorrect Correct answer
Question 28 of 29

28. Question

MAT (mixed air temp) sensors are of what type?

10k PTC
Correct Incorrect Correct answer

20k PTC
Correct Incorrect Correct answer

10k NTC
Correct Incorrect Correct answer

20k NTC
Correct Incorrect Correct answer
Question 29 of 29

29. Question

OAT (outside air temp) sensors are of what type?

20k NTC
Correct Incorrect Correct answer

10k NTC
Correct Incorrect Correct answer

20k PTC
Correct Incorrect Correct answer

10k PTCv
Correct Incorrect Correct answer

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