G36TerminalBoxCoolingMinimumAirflow

Brief Description

Terminal box in cooling mode needs maintain minimum airflow when supply air temperature is high following the guideline 36 recommendations

Index Description

Section 5.5.5.1.a in Guideline 36-2021

Section 5.6.5.1.a in Guideline 36-2021

Datapoints Description

operation_mode: System operation mode

zone_state: Zone state (heating, cooling, or deadband (not in either heating or cooling))

v_min: Occupied zone minimum airflow setpoint

ahu_sat_spt: AHU supply air temperature setpoint

v_spt: Active airflow setpoint

v_spt_tol: Airflow setpoint tolerance

room_temp: Room temperature

Type Verification Description

Procedure-based

Assertions Type

Pass

Assertions Description

if ahu_sat_spt <= room_temp:

untested

else:

switch operation_mode

case ‘occupied’

minimum = v_min

case ‘cooldown’, ‘setup’, ‘warmup’, ‘setback’, ‘unoccupied’

minimum = 0

if v_spt - v_spt_tol > minimum:

fail

else:

pass