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Logic Modules

W7212

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.

W7340

W7340

The W7340 Communicating Economizer Logic Module is used multiple sensors and proportions outdoor and return air damper motors for control of free cooling in commercial HVAC equipment. Replaces Black units only.

W7342

W7342

W7342 Communicating Economizer Logic Module, used with demand control ventilation (DCV) sensor input and solid state temperature/humidity or enthalpy sensors, to proportion outdoor/return air dampers, for control of free cooling in HVAC equipment.