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W7212

W7212, W7213, & W7214 Economizer Logic Modules are used with demand control ventilation (DCV), and solid state C7400 Enthalpy Sensors or C7660 Dry Bulb Temperature Sensors, to proportion outdoor/return air dampers for control of free cooling in HVAC.

Series 72 Economizer Logic Module

W7212A1033/B

Series 72 Economizer Logic Module