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1, the machine dew point temperature is normal or low, slow indoor cooling causes and solutions ¢Ù air volume is less than the design value, the fewer the number of ventilators , check whether the model meets the design requirements of the fan impeller rotation is correct , the belt is loose, open big air valve , eliminating inadequate amount of wind factor.vnxservice manual download site
¢Ú have secondary air system , secondary air is too large , adjust , reduce the amount of secondary return air damper .
¢Û multi- room air conditioning systems , air distribution uneven , adjust , so that each room air distribution uniform.
2, the system measured the amount of air volume in the design of wind resistance causes and methods to solve practical design ¢Ù system is less than the resistance , thus increasing the amount of wind turbines , wind turbines can be changed when the number of revolutions of the conditional .
¢Ú design chosen fan capacity is too large , please turn down air flow control valve , reducing the air volume 3 , the system measured air volume is less than the design air volume causes and solve real resistance methods ¢Ù system is greater than the design resistance , fan air flow is reduced , when conditions permit, to improve duct member to reduce the resistance of the system .
¢Ú system obstruction , clean up the system , check for possible obstructions .
¢Û system leakage should be plugging.
¢Ü reach design capacity of the fan or impeller rotating in the wrong direction , belt slippage , examination to exclude factors contribute to the fan .
4, the interior noise causes greater than the design requirements and solutions ¢Ù fan noise is higher than the rating, the fan noise was measured to check whether the shell hit the fan impeller , bearing damage , shock is good, symptomatic treatment.
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