Envision Peripherals R-410A Electronic Thermostat, Auxiliary Heat Ratings, Pump Wiring

Page 14

ENVISION RESIDENTIAL INSTALLATION MANUAL

Electrical Connections (cont.)

Pump Wiring

Figure 14: Pump Wiring 208-230/60/1

See Figure 14 for electrical connections from control box to pumps.

Electronic Thermostat

Position the thermostat subbase against the wall so that it is level and the thermostat wires protrude through the middle of the subbase. Mark the position of the subbase mounting holes and drill holes with a 3/16-inch bit. Install supplied anchors and secure base to the wall. Thermostat wire must be 8-conductor, 18- AWG wire. Strip the wires back 1/4-inch (longer strip lengths may cause shorts) and insert the thermostat wires into the connector as shown. Tighten the screws to insure secure connections. The thermostat has the same type connectors, requiring the same wiring. See instructions enclosed in the thermostat for detailed installation and operation information.

Figure 15: Thermostat Wiring

Microprocessor

R

 

 

24VAC (Hot)

 

 

W

 

Aux. Heat

 

C

 

 

24VAC (Common)

 

Y1

 

 

Compressor (1st Stage)

Controller

Y2

 

 

Compressor (2nd Stage)

 

 

 

 

 

 

 

L

 

System Monitor

 

O

 

 

Reversing Valve

 

G

 

 

Blower Relay

 

 

 

 

 

 

 

 

 

 

 

 

Thermostat Connection

Note: DIP switch SW2-8 is required to be in the “OFF” position for the control to

operate with FaultFlash or ComforTalk thermostats. SW2-8 in the “ON” position configures the control to operate with typical thermostats (continuous lockout signal). There must be a wire connecting Y2 on the microprocessor controller to 2nd stage compressor on the thermostat for proper operation.

Auxiliary Heat Ratings

 

KW

 

BTU/HR

Min

 

Envision Series Compatibility

 

 

 

 

 

 

 

 

 

 

 

 

 

Model

208V

230V

Stages

208V

230V

CFM

022

 

026 - 030

036 - 049

060 - 072

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EAM(H)5

3.6

4.8

1

12,300

16,300

450

•

 

•

 

 

 

EAM(H)8

5.7

7.6

2

19,400

25,900

550

•

 

•

 

 

 

EAM(H)10

7.2

9.6

2

24,600

32,700

650

 

 

•

 

 

 

EAL(H)10

7.2

9.6

2

24,600

32,700

1100

 

 

 

•

•

 

EAL(H)15

10.8

14.4

3

36,900

49,100

1250

 

 

 

•

•

 

EAL(H)15-3

10.8

14.4

3

36,900

49,100

1250

 

 

 

•

•

 

EAL(H)20

14.4

19.2

4

49,200

65,500

1500

 

 

 

 

•

 

14

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Contents Envision Residential Installation Manual Model Nomenclature VoltageTable of Contents Installing Vertical Units General Installation InformationSafety Considerations Moving and StorageInstalling Horizontal Units Horizontal Unit MountingDuct System Water PipingWater Quality Freeze Protection Condensate DrainClosed Loop Ground Source Systems Multiple Units on One Flow CenterOpen Loop Ground Water Systems Solenoid ValveDesuperheater Connections Water Tank PreparationPlumbing Installation Desuperheater StartupElectrical Connections Unit Power ConnectionAccessory Relay GeneralAuxiliary Heat Ratings Pump WiringElectronic Thermostat Unit Electrical Data Single speed with ECM motorPerforming this operation Setting Fan Speed PSCFan Performance Data PSC Setting Fan Speed ECM Fan Performance Data ECMVertical Dimensional Data Top Air DischargeHorizontal Dimensional Data TOP ViewBottomflow Left ReturnPhysical Data Single Speed Single SpeedPhysical Data Dual Capacity Dual CapacityWiring Schematics Envision Single Speed Wiring Schematic 208-230/60/1Envision Single Speed Wiring Schematic 208-230/60/1 ECM 97P774-01 6/29/06 Envision Dual Capacity Wiring Schematic 208-230/60/1- ECM Unit Power 208-230/60/197P774-02 6/29/06 Microprocessor Control Emergency Heat W only ECM2 Airflow Selection DIP Switches SW1Heat, 3rd Stage Y1,Y2,W Dual Capacity Units Cooling OperationCompressor Monitoring/Comfort Alert Comfort Alert Flash CodesComforTalk Fault FlashThermostat Displays DIP Switch Settings Description OFF PositionStartup Steps Before Powering Unit, Check The FollowingUnit Startup Operation Logic Data PSCUnit Operating Parameters Single Speed ModelsDual Capacity Models First Stage OperationPressure Drop GPMStandard Microprocessor Controls TroubleshootingLED Definitions and Diagnostics Refrigerant SystemsPreventive Maintenance Replacement ProceduresManufactured by WFI 9000 Conservation Way Fort Wayne,
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