VAVMinimumTurndownDuringReheat
Brief Description
When a vav box is in reheat mode, the ratio of vav airflow rate to vav max airflow rate must not be greater than the min design turndown ratio
Index Description
Section 6.5.2.1 ASHRAE 90.1-2016
Datapoints Description
reheat_coil_flag: VAV box reheat coil operation status
V_dot_VAV: VAV airflow rate
V_dot_VAV_max: VAV max airflow rate
VAV_min_turndown_design: design VAV box min turndown ratio
turndown_tol: VAV turndown tolerance
Type Verification Description
Rule-based
Assertions Type
Pass
Assertions Description
if reheat_coil_flag:
if V_dot_VAV_max == 0
Untested
if V_dot_VAV_max > 0.0 and V_dot_VAV / V_dot_VAV_max > VAV_min_turndown_design + turndown_tol
fail
else:
pass
else
Untested
end