Icm 251 Wiring Diagram

Icm controls icm253 icm253 fan blower control off delay on break 12 390 second adjustable delay controls the circulating fan in heat pump air conditioning and forced air systems. Connect terminals as shown in the wiring diagram below. On delay lets air reach proper level prior to energizing fan off delay purges ducts of residual air to increase efficiency mode of operation power must be applied at all times.

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