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