List the types of air source packaged heat pumps
What will be an ideal response?
Side discharge, bottom discharge
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Frame measurement is being discussed. Technician A says diagonal frame measurements should cross each other at the frame centerline. Technician B says the distance from the frame centerline to the same point on each side of the frame should be equal. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Is angle E a right angle or a straight angle?
What will be an ideal response?
A digital controller installed on a packaged rooftop unit at the factory is called a(n) _____.
a. open architecture device b. network controller c. product-integrated controller d. general-purpose device
Power to low-voltage equipment must be supplied from a(n) _____.
a. autotransformer b. critical system circuit c. individual portable isolation transformer d. double-ended system