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RAS Return Air Sensor
The RAS can be used as a Return Air sensor on the HK2000 Economy Control System and the UZC4 Zone Control system. When being used to monitor return air, EWC recommends mounting the RAS in the return plenum, downstream from the bypass damper between the bypass and the air handler. This is done to ensure the air being sensed is a proper mix of bypassed air and return air.
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The RAS can be used as a Return Air sensor on the HK2000 Economy Control System and the UZC4 Zone Control system. When being used to monitor return air, EWC recommends mounting the RAS in the return plenum, downstream from the bypass damper between the bypass and the air handler. This is done to ensure the air being sensed is a proper mix of bypassed air and return air.
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