G36OutdoorAirDamperPositionForReliefDamperOrFan

Brief Description

Verify that the outdoor air damper operation follows guideline 36 recommendations for systems with relief damper/fan

Detailed Description

Verify that the outdoor air damper operation follows the guideline 36 recommendations for supply air temperature setpoint operations

Index Description

  • Section 5.16.2.3 in ASHRAE Guideline 36-2021

Datapoints Description

  • heating_output: AHU heating coil output

  • cooling_output: AHU cooling coil output

  • economizer_high_limit_reached: Economizer high limit flag

  • oa_p: Outdoor air damper position

  • min_oa_p: Minimum outdoor air damper position

  • max_oa_p: Maximum outdoor air damper position

  • oa_p_tol: Outdoor air damper position tolerance

  • ra_p_tol: Return air damper position tolerance

  • ra_p: Return air damper position

  • max_ra_p: Maximum return air damper position

Type Verification Description

Procedure-based

Assertions Type

Pass

Assertions Description

  • if heating_output > 0

  • if abs(oa_p - min_oa_p) < oa_p_tol

  • pass

  • else

  • fail

  • end

  • else if cooling_output > 0

  • if economizer_high_limit_reached

  • if abs(oa_p - min_oa_p) < oa_p_tol

  • pass

  • else

  • fail

  • end

  • else

  • if abs(oa_p - max_oa_p) < oa_p_tol

  • pass

  • else

  • fail

  • end

  • end

  • else if ra_p < max_ra_p

  • if abs(oa_p - max_oa_p) < oa_p_tol

  • pass

  • else

  • fail

  • end

  • else if abs(ra_p - max_ra_p) < ra_p_tol

  • if min_oa_p < oa_p < max_oa_p

  • pass

  • else

  • fail

  • end

  • end