G36FreezeProtectionStage1
Brief Description
G36 freeze protection stage 1 requirements
Index Description
Section 5.16.12.1. in Guideline 36-2021
Datapoints Description
supply_air_temp: supply air temperature
outdoor_damper_command: outdoor air damper
outdoor_damper_minimum: outdoor air damper minimum position
Assertions Description
if supply_air_temp < 4.4 (continuously 5 minutes) and outdoor_damper_command > outdoor_damper_minimum:
fail
elif outdoor_damper_command > outdoor_damper_minimum and not (supply_air_temp > 7 (continuously 5 minutes)):
fail
else:
pass
if never (supply_air_temp < 4.4 (continuously 5 minutes)):
untested
Type Verification Description
Rule-based
Assertions Type
Pass