Taught by: Kendal Smith & RJ Santiago, CPD, GPD

Who Should Attend: Plumbing Engineers / Plumbing Engineers for Design Build Contractors

Topic: Centralized Heat Pump Water Heater (CHPWH) System Design Considerations and New Sizing Techniques

• Overview of heat pump refrigerant cycle

• Minimum Lift and Water Side Delta T

• Current 3rd Party Testing Standards 

• Typical refrigerants used for CHPWH

• “Single-Pass” vs. “Multi-Pass” configurationvs. piping schematic

• Peak and off-peak scenario hydronic analysis

• General comments on “single-pass” vs.“multi-pass”

• Electric Swing Tank vs. Electric Backup –hydronic analysis

• General comments vs. gas-fired, ASPE Fixture Tables

• CHPWH Sizing Methods

• Sizing examples with CHPWH Sizing Methods