Where do the auxiliary drain pans go under a fan coil unit?

The auxiliary (secondary) overflow drain pan must be suspended directly beneath the entire footprint of the fan coil unit , extending out at least 2 inches past the unit edges on all sides. This catches any condensation overflow if the primary internal pan line plugs up.

['The auxiliary (secondary) overflow drain pan must be suspended directly beneath the entire footprint of the fan coil unit , extending out at least 2 inches past the unit edges on all sides. This catches any condensation overflow if the primary internal pan line plugs up.']

Stop if

• Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.

Steps

• The auxiliary (secondary) overflow drain pan must be suspended directly beneath the entire footprint of the fan coil unit, extending out at least 2 inches past the unit edges on all...

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