PSZ-AC w/GAS
Packaged Single-Zone Air Conditioner with Gas - This system consists of a Packaged Single Zone (PSZ) unit serving each conditioned thermal zone. The PSZ provides heating to each zone using a hot water coil served by a primary only variable flow hot water loop utilizing a natural gas boiler. Cooling is provided by a unitary DX cooling coil. The default ASHRAE Standard used to set the efficiency of regulated equipment is ASHRAE 90.1-2016.
Packaged Single Zone (PSZ-AC):
Quantity: 1 per conditioned Thermal Zone
Design Heating / Cooling Capacity: Auto sized
Cooling: Provided by DX cooling coil
Heating: Provided by Hot Water Coil
Cooling Efficiency: Based on Capacity and ASHRAE Standard
Design Supply Fan Airflow: Constant Volume, Auto sized
Supply Fan Efficiency: Based on Airflow and ASHRAE Standard
Hot Water Boiler:
Quantity: 1
Design Capacity: Auto-sized
Type: Natural Gas, Non-Condensing
Controls: Based on Capacity and ASHRAE Standard
Efficiency: Based on Capacity and ASHRAE Standard
Hot Water Pumps:
Quantity: 1
Design Flow: Auto-sized
Type: Variable Speed, 30% minimum flow
Efficiency: Based on Design flow and ASHRAE Standard