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Geothermal/Water Source Heat Pumps • R-410A Refrigerant • 2, 2.5, 3, 3.5, 4, 5, 6 Ton Single Speed • 2, 3, 4, 5, 6 Ton Dual Capacity RESIDENTIAL Geothermal/Water Source Heat Pumps • R-410A Refrigerant • 2, 2.5, 3, 3.5, 4, 5, 6 Ton Single Speed • 2, 3, 4, 5, 6 Ton Dual Capacity RESIDENTIAL Installation Information Water Piping Connections Desuperheater Connections Electrical Startup Procedures Troubleshooting Preventive Maintenance IM1585 12/08 Envision Manual ENVISION RESIDENTIAL INSTALLATION MANUAL Model Nomenclature N D V 049 A 1 1 1 C T L Model Type N= Envision Compressor Type D= Dual Capacity S= Single Speed Cabinet Configuration V= Vertical H= Horizontal Unit Capacity Vintage A= Current Voltage 1= 208-230/60/1 Return Air Configuration L= Left R= Right Discharge Air Configuration B= Bottom T= Top S= Side E= End Coax Options C= Copper N= Cupronickel Fan Option 0= PSC 1= ECM 2= Oversized ECM Blower Option (036,038,042,048,049) 3= Oversized PSC Blower Option (022,030,036,042,048) Hot Water Option 0= None 1= Hot Water Generation with factory installed pump Notes: PSC Motor - Single Speed Only 2 ENVISION RESIDENTIAL INSTALLATION MANUAL Table of Contents General Installation Information 4-8 Closed Loop Ground Source Systems 9 Open Loop Ground Water Systems 10 Desuperheater Connection & Startup 11-12 Electrical Connections 13-14 Electronic Thermostat Installation 14 Auxiliary Heat Ratings 14 Unit Electrical Data 15 Fan Performance Table 16-17 Setting Fan Speed 16-17 Vertical Dimensional Data 18 Horizontal Dimensional Data 19 Vertical Bottomflow Dimensional Data 20 Physical Data 21-22 Wiring Schematics 23-27 Microprocessor Control 28-32 Unit Startup 33 Operation Logic 34 Unit Operating Parameters 35-36 Pressure Drop & Recommended Flow Rates 37 Troubleshooting 38 Preventive Maintenance 39 Replacement Procedures 39 3 ENVISION RESIDENTIAL INSTALLATION MANUAL General Installation Information Safety Considerations WARNING: Before performing service or maintenance operations on a system, turn off main power switches to the i...