A.Ⅲ B.Ⅱ、Ⅲ C.Ⅰ、Ⅲ D.全設(shè)
A.常開(kāi) B.常閉,壓力試驗(yàn)和抽空試驗(yàn)時(shí)開(kāi) C.壓縮機(jī)運(yùn)轉(zhuǎn)時(shí)開(kāi),停車時(shí)關(guān) D.長(zhǎng)時(shí)間停用將制冷劑全收回時(shí)關(guān)
A.進(jìn)水溫度+30℃,環(huán)境氣溫+30℃ B.進(jìn)水溫度+40℃,環(huán)境氣溫+40℃ C.進(jìn)水溫度+30℃,環(huán)境氣溫+40℃ D.進(jìn)水溫度+40℃,環(huán)境氣溫+30℃