
Envision Series Geothermal Indoor Split Heat Pumps • R-410A Refrigerant • 2 - 6 Ton Single Speed • 2 - 6 Ton Dual Capacity Envision Installation Information Water Piping Connections Desuperheater Connections Electrical Startup Procedures Troubleshooting Preventive Maintenance IM1592 06/07 ENVISION SERIES INSTALLATION MANUAL Model Nomenclature NDZ049A1 1AC Coax Options Model Type C= Copper N= Envision N= Cupronickel Compressor Type Open Option D= Dual Capacity A= Standard S= Single Speed Hot Wate