RLC-SVX19J_SHORT-GB
12
Drainage
A large capacity drain must be provided for water vessel drain-down during shutdown or repair. The evaporator is
provided with drain connections. An air vent on top of the evaporator waterbox prevents vacuum by removing air
from evaporator for complete drainage.
Drain connections and vents are also provided on header pipes for use when free-cooling option.
Evaporator confi guration varies with unit size.
• 2 compressors unit: 2-pass evaporator
• 3/4 compressors unit : 1-pass evaporator
Figure 4 – Drain and vent position on evaporator
Figure 5 – Drain and air vent fi tting location on the evaporator water side
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