Which of the following is true regarding the refrigerantpiping on a rooftop package unit?A. The discharge and liquid lines must be field installed.B. The suction and liquid lines must be field installed.C. The discharge and suction lines must be field installed.D. No refrigerant lines are field installed.

Which of the following is true regarding the refrigerantpiping on a rooftop package unit?A. The discharge and liquid lines must be field installed.B. The suction and liquid lines must be field installed.C. The discharge and suction lines must be field installed.D. No refrigerant lines are field installed.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter50: Commercial, Packaged Rooftop, Variable Refrigerant Flow, And Variable Air Volume Systems

Section: Chapter Questions

Problem 1RQ: Which of the following is true regarding the refrigerant piping on a rooftop package unit? A. The...

See similar textbooks

Similar questions

Briefly describe an oil-less refrigerant recovery unit.
Describe cascade refrigeration and tell why more than one refrigerant is used.
Which of the following statements is not true about orifice tube systems? The suction line must be cool to the touch from the evaporator outlet to the compressor. The liquid line from the condenser outlet to the evaporator inlet should be cool. The evaporator should feel very cold. The accumulator must be cool to the touch.
Where must a suction-line drier be placed in a heat pump after a motor burnout?
Quality means _________ when referring to a refrigerant.
Why do some condensers have to be cleaned with brushes and others with chemicals?
Which list states the correct order of components for the absorption refrigeration? A) Evaporator, then absorber, then concentrator, then condenser. B) Absorber, then condenser, then evaporator, then concentrator. C) Condenser, then absorber, then concentrator, then evaporator.
Which part in the mechanical heat pump is used to increase the refrigerant pressure? Select one: a. Condenser b. Evaporator c. Expansion valve d. Compressor
If a hot water reheat coil is installed with a two way modulating valve. A. The VAV box can only be used for a heating-only application . B. A variable volume circulating pump must be used. C. A constant volume circulating pump can be used. D. The VAV box can only be used for a cooling-only application
1. What other substance circulates in the refrigeration system with the refrigerant? 2. What would happen if there were more refrigerant in the system than the condenser and receiver could hold?
Please answer question number 2 thank you. Refrigeration systems subject
When a refrigeration system's suction line is noticeably cold instead of just being cool , it probably contains refrigerant . A. high -pressure liquid B. high -pressure vapor C. low-pressure liquid D. low -pressure vapor