Issue:
bypass duct pressure sensor fail on VariTrac
Resolution:
When Varitrac calibrates it drive Bypass fully closed and should shut down supply fan on air handler. If fan doesn't shut down (zero static), it will fail calibration. From display or software, you should see supply fan go off shortly after you initiate calibration.
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Other Question/Problem/Cause Statements:
- bypass duct pressure sensor fail on VariTrac
- static pressure sensor failure
- Calibration failure
Facts:
- VARITRAC III CENTRAL CONTROL PANEL (CCP)
- VariTrac II Central Control Panel (CCP)
- VariTrac III Central Control Panel (CCP)
Original wave: wave40369
Document Identifier: DOC-99383
Document Identifier: 99383