Figure 85 – Heat Pump Heating Coil Input Dialog
Input Summary:
· Type: Select the type of heating coil. Options are Resistance, Furnace, HeatPump, and HotWater.
· Condenser Type : The type of condenser for heat pump heating systems. Options include Air and Water Source.
· Fuel Source: The fuel driving the heating coil.
Capacity section:
· Net Capacity (Btu/h): The net heating capacity of the coil at AHRI conditions without adjustments for fan heat. Not a user input.
Heat Pump Section:
· COP (User Input): The heating efficiency of a heat pump at AHRI-rated conditions.
· COP (Code Minimum): The Code minimum COP.
· Compressor Lockout OAT (deg F): The outside dry-bulb temperature below which the heat pump supplemental heating is allowed to operate.
· Supp Htr Coil Name: Select the Heating Coil.
· Supp Htr Limit OAT(deg F): The outside dry-bulb temperature below which the heating coil is allowed to operate.
· Defrost Htr Source: The fuel used for defrosting the evaporator. (Electric, HotGas)
· Defrost Control: Select if defrost operates at a specific time or when required. (OnDemand,
· TimedCycle)
· Defrost Htr Limit OAT (deg F): The outside dry-bulb temperature below which the defrost is allowed to operate.
· Crankcase Htr Limit OAT (deg F): The outside dry-bulb temperature below which the crankcase heater is allowed to operate.
· Crankcase Htr Capacity (Btu/h): The designed power of the crankcase heater.
