The resistance loss of the pipeline in the machine room is the resistance along the way plus the local resistance of 5.89kpa. From table 9-2, it can be seen that the resistance loss of the evaporator of the refrigeration unit is 47kpa, and the resistance loss of the whole water processor is about 29kpa; the most unfavorable loop resistance loss at the end of the building air conditioner is about 117kpa, then the head of the refrigeration pump is considered as the safety factor:<br>
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