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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.

W7345

W7345

Communicating Economizer Logic and Relay Modules for ventilation control

W7399

W7399

Economizer logic module communicates via modbus protocol. Use a 10k temp. sensor for mixed or discharge air, C7400 enthalpy or C7600 humidity sensor, C7242 or C7232 CO2 sensor to control a roof top unit. With a dedicated M7215 economizer actuator.

W7459

W7459

W7459 Solid State Economizer Logic Module are used with M7415 and M8405 Dedicated Economizer Actuators to proportion outdoor and return air dampers in economizer systems.

W7499

W7499

W7459 Solid State Economizer Logic Module with M7415 Actuator to proportion outdoor and return air dampers in economizer systems.

W859

W859

Contain all controls needed to operate an outdoor return air damper system, when used with an M91XX Modutrol IV Motor with internal balancing relay.