HeatPumpSupplementalHeatLockout

Brief Description

Supplemental heating coil should be off when the heat pump can meet the load by itself

Index Description

Section 6.4.3.5 Heat Pump Auxiliary Heat Control and 6.3.2.h Criteria in 90.1-2016

Datapoints Description

C_ref: DX heating coil reference capacity

L_op: DX heating coil load

C_t_mod: DX heating coil reference capacity modifier as a function of temperature

P_supp_ht: HP Supplemental heating coil heating rate

C_ff_mod: DX heating coil reference capacity modifier as a function of flow ratio

L_defrost: Defrost load on the heating coil

Assertions Description

If C_ref * C_t_mod >= L_op and P_supp_ht == 0 then pass else fail

Type Verification Description

Rule-based

Assertions Type

Pass