McQuay MDS300B Guide d'installation télécharger pdf (Page 79)

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Design & installation Guide For McQuay MDS Multi System

■ Insulation and protection of the pipeline

● All pipelines must be insulated.

● Take good protection measures for the pipelines to avoid collision, trample, and scratch and

abrasion when the pipeline vibrates. Otherwise, the pipeline may be damaged, affecting the

unit performance and security, or even causing other safety problems.

Note: After the pipelines are installed, evacuate and pump vacuum.

■ Connection of the system balance pipe

● Make sure the system balance pipe is connected. The system balance pipe should be

connected to the unit through the continuous side hole in the chassis or that in the side panel

or that in the unit piping position.

● The balance pipe must be connected orderly, and the connection higher than the level of the

pipe to stop valve of the balance pipe.

● Take good protection measures for the balance pipe (especially the place between the

continuous side ports) to avoid scratch and abrasion.

● The connection between the balance pipe and the unit is shown in the figure below.

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McQuay MDS300B Guide d'installation Page 79