Table of Contents | Envision Peripherals R-410A specs

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
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

Image 3

Envision Peripherals R-410A installation manual Table of Contents

Contents

Envision Residential Installation Manual Voltage Model Nomenclature Table of Contents Moving and Storage General Installation InformationSafety Considerations Installing Vertical Units Horizontal Unit Mounting Installing Horizontal Units Water Piping Duct System Water Quality Condensate Drain Freeze Protection Multiple Units on One Flow Center Closed Loop Ground Source Systems Solenoid Valve Open Loop Ground Water Systems Water Tank Preparation Desuperheater Connections Desuperheater Startup Plumbing Installation General Unit Power ConnectionAccessory Relay Electrical Connections Pump Wiring Electronic ThermostatAuxiliary Heat Ratings Single speed with ECM motor Unit Electrical Data Setting Fan Speed PSC Fan Performance Data PSCPerforming this operation Fan Performance Data ECM Setting Fan Speed ECM Top Air Discharge Vertical Dimensional Data TOP View Horizontal Dimensional Data Left Return Bottomﬂow Single Speed Physical Data Single Speed Dual Capacity Physical Data Dual Capacity Envision Single Speed Wiring Schematic 208-230/60/1 Wiring Schematics Envision Single Speed Wiring Schematic 208-230/60/1 ECM 97P774-01 6/29/06 Unit Power 208-230/60/1 Envision Dual Capacity Wiring Schematic 208-230/60/1- ECM 97P774-02 6/29/06 Microprocessor Control Cooling Operation ECM2 Airﬂow Selection DIP Switches SW1Heat, 3rd Stage Y1,Y2,W Dual Capacity Units Emergency Heat W only Comfort Alert Flash Codes Compressor Monitoring/Comfort Alert Fault Flash Thermostat DisplaysComforTalk Description OFF Position DIP Switch Settings Before Powering Unit, Check The Following Unit StartupStartup Steps PSC Operation Logic Data Single Speed Models Unit Operating Parameters First Stage Operation Dual Capacity Models GPM Pressure Drop Refrigerant Systems TroubleshootingLED Deﬁnitions and Diagnostics Standard Microprocessor Controls Replacement Procedures Preventive Maintenance Manufactured by WFI 9000 Conservation Way Fort Wayne,