Maintenance · 2026-11-03 · 昊诚工控

How to Drain Cabinet AC Condensate: Management & Overflow Prevention

Where Condensate Comes From

During cooling, the evaporator coil drops below the dew point of the enclosure air, so moisture condenses on the fins and collects in the drain pan at the base of the unit. This is normal—the key is removing it promptly.

Standard Drain Path

ItemTypicalNote
Pan capacity≥ 200 mLCovers peaks
Hose bore≥ DN10Anti-clog
Tray power40–80 WOptional

Overflow Protection

Proper units add a float switch and overflow port as a double safeguard, with an anti-mold coating on the pan. See our products page for selection, or contact us for custom needs.

Routine Checks

FAQ

Must condensate go outside?

Not always. An evaporation tray works where no external drain exists, but clean it regularly to avoid scale blocking the holes.

How often to clean the pan?

Usually every 3–6 months; in humid, dusty, or coastal sites, monthly is better.

What if water enters the enclosure?

It can cause short circuits, lower insulation, and corrosion—so overflow protection and drain routing are mandatory acceptance checks.

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