FIGURE 6.18 Schematic diagram of walk-in cooler L2 Legend EFM Evaporator fan motor L1 - 240 V/1Ø/60 Hz- Compressor LPS Low-pressure switch HPS High-pressure switch EFM) CFM Condenser fan motor DT Defrost timer DT HPS LPS DT CFM O Cengage

FIGURE 6.18 Schematic diagram of walk-in cooler L2 Legend EFM Evaporator fan motor L1 - 240 V/1Ø/60 Hz- Compressor LPS Low-pressure switch HPS High-pressure switch EFM) CFM Condenser fan motor DT Defrost timer DT HPS LPS DT CFM O Cengage

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

Chapter27: Commercial Ice Machines

Section: Chapter Questions

Problem 17RQ: Explain how liquid floodback to the compressor may occur during an ice maker hot gas defrost period.

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Question

True or False: The defrost timer motor
operates continuously in Figure 6.18.

FIGURE 6.18
Schematic diagram of walk-in cooler
L2 Legend
EFM Evaporator fan motor
L1
- 240 V/1Ø/60 Hz-
Compressor
LPS Low-pressure switch
HPS High-pressure switch
EFM)
CFM Condenser fan motor
DT
Defrost timer
DT
HPS LPS DT
CFM
O Cengage

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