4 t 1 of 5 5 $1 PL1 is on PL2 is off PL3 is on PL4 is off TD1-1 (5 s) TD1-2 T(55) (5 s) TD2-1 T15 (5 s) TD2-2 T (5 s) TD1 TD2) Ⓡ PL3 Xa Power is first applied and switch S1 is open. L2
4 t 1 of 5 5 $1 PL1 is on PL2 is off PL3 is on PL4 is off TD1-1 (5 s) TD1-2 T(55) (5 s) TD2-1 T15 (5 s) TD2-2 T (5 s) TD1 TD2) Ⓡ PL3 Xa Power is first applied and switch S1 is open. L2
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter17: Commercial And Industrial Air-conditioning Control Systems
Section: Chapter Questions
Problem 22RQ
Related questions
Question
![4
Part 1 of 5
$1
PL1 is on
PL2 is off
PL3 is on
PL4 is off
TD1-1
T
(5 s)
TD1-2
Tis
(5 s)
TD2-1
O
(5
(5 s)
TD2-2
(5 s)
TD1
V
TD2)
PL2
Power is first applied and switch S1 is open.
Q
L2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbd65d1ad-c7e1-49bb-8548-35aad5e95a46%2F863b8cde-c318-4f2b-a92a-000b16f8ea7b%2Fu5jwm1i_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4
Part 1 of 5
$1
PL1 is on
PL2 is off
PL3 is on
PL4 is off
TD1-1
T
(5 s)
TD1-2
Tis
(5 s)
TD2-1
O
(5
(5 s)
TD2-2
(5 s)
TD1
V
TD2)
PL2
Power is first applied and switch S1 is open.
Q
L2
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