Mitsubishi Heavy Industries FDCW60VNX-A, Руководство по установке

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Pressure drop in indoor unit
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Connection of extra circulation pump
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NOTE
Non-return valve must be installed in case extra circulation
pump is used. See page 27 for the position.
The circlulation pump may become damaged.
Dimensions and pipe connections
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Pipe connections
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HMK100
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Pipe connections
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Other information
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Pipe installation