40 Chapter 4 System Power-On Commissioning
Chapter 4 System Power-On Commissioning
This chapter introduces the system power-on commissioning, including location of MCBs, and power-on
commissioning of air-cooled series unit and water-cooled series unit.
4.1 Location Of MCBs
The MCBs are located as shown in Figure 4-1, Figure 4-2 and Figure 4-3. The numbers in Figure 4-1 ~ Figure 4-3
have the following definitions:
1: Compressor MCB 3: Electric heater MCB 5: Condenser MCB 7: Control board MCB
2: Fan MCB 4: Infrared humidifier MCB 6: Compressor crankcase
heater MCB
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Figure 4-1 MCBs location of one-bay unit
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Figure 4-2 MCBs location of two-bay unit
Note
The two-bay series with single system has only one compressor MCB and a compressor contactor.
Liebert.PEX2 Series Air Conditioner User Manual
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