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Marstair MB Series User Manual page 8

Air cooler and unit cooler

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3.2
Installation
•Ensure that product mounting is level and stable.
3.3 Piping
• Be careful choosing and assembling suction line and its parts for piping. Optimum piping has
enough refrigerant or velocity for effective circulation and has a pressure drop which does not
reduce system performance.
3.4 Connections
• At the factory products are always tested with air for leakages and contain a nitrogen holding
charge.
Model
MB
MW
•Do not keep the connections in open position or in contact with atmospheric air
•Insert the correct amount of refrigerant in the heat exchanger. This information should be
determined by the Project engineer.
Figure 3.2.1 Connector
Test Pressure (air)
35 bar
35 bar
Figure 3.4.1 Correct and incorrect connections
Transport Pressure (Nitrogen)
6 bar
6 bar
8
56808001-02

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This manual is also suitable for:

Mw series