A packaged air-conditioning unit uses 7 pounds of refrigerant and its cooling ca

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试卷: LEED v4 OM模拟题D卷英文[查看]
A packaged air-conditioning unit uses 7 pounds of refrigerant and its cooling capacity is 5 tons. What is its refrigerant charge?
某空调设备使用7磅的制冷剂，制冷量是5冷吨，那么制冷剂冲注系数是多少
A: 7.5 lbs / ton
B: 0.7 lbs / ton
C: 1.4 lbs / ton
D: 12 lbs / ton

参考答案: C

本题解释:
选择C，本题解释A refrigerant charge is the ratio of the total refrigerant used to the cooling capacity measured in lbs / ton (kg / kW).
7 lbs / 5 tons = 1.4
When using Option 2 of Enhanced Refrigerant Management the refrigeration charge is required documentation.