HW YL7220S7503/U

Economizer Logic Modules

YL7220 Jade Economizer Module with Sensors & Actuators

• JADE Economizer System is an expandable economizer control system,
  which includes a W7220 Economizer Module (controller) with an LCD and keypad
• The W7220 can be configured for (4) different economizer strategies: referential or
  differential dry bulb, referential or differential enthalpy
• W7220 Economizer Module
• Can be used as a standalone economizer module wired directly to a commercial
  set back space thermostat and sensors to provide outdoor air dry-bulb economizer control
• Can be connected to optional Sylk Bus sensors for single or differential enthalpy control
• Provides power and communications on the Sylk Bus for the Sylk Bus sensors
• Automatically detects sensors by polling to determine which sensors are present.
  If a sensor loses communications after it has been detected, the W7220 Economizer
  indicates a device fail error on the display or through the AUX 1 OUT terminal programmed to SYS
• Temperature operating range: -40°F to 150°F (-40° to 65°C)
• UL Listed flammability rating UL94V-5V