Manual Part 5
Combined Climate Unit
P008419A
Combined Climate Unit RBS
CCU DC/DC AC/DC
Transformer
Heater
Sub Racks
Return Air
Supply Air
Heat
Exchanger
Condensor Evaporator
Active
Cooler
Figure 1 C ombined Climate Unit Block Diagram
The combined climate unit consists of the following units:
• Hea t exchanger
• Active cooler
• Hea te r
• Clim ate Control Unit (CCU)
• DC/DC converter
• AC/DC converter
• Transformer
4.1 Heat Exchanger
This unit consists of a cross-flow heat exchanger, with DC-powered internal
and external air circuit fans.
4 (10)
E
N/LZT 720 0239 Uen R2A