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