Envision AC-1750B Manuale di Installazione

IM1585 10/07Installation InformationWater Piping ConnectionsDesuperheater ConnectionsElectricalStartup ProceduresTroubleshootingPreventive Maintenan

10ENVISION RESIDENTIAL INSTALLATION MANUALOpen Loop Ground Water SystemsTypical open loop piping is shown below. Always maintain water pressure in the

11ENVISION RESIDENTIAL INSTALLATION MANUALDesuperheater Connections To maximize the benefi ts of the desuperheater a minimum 50-gallon water heater is

12ENVISION RESIDENTIAL INSTALLATION MANUALPlumbing Installation1. Inspect the dip tube in the water heater cold inlet for a check valve. If a check

13ENVISION RESIDENTIAL INSTALLATION MANUALElectrical ConnectionsGeneral Be sure the available power is the same voltage and phase as that shown on th

14ENVISION RESIDENTIAL INSTALLATION MANUALAuxiliary Heat RatingsKW BTU/HR Min Envision Series CompatibilityModel 208V 230V Stages 208V 230V CFM 022 02

15ENVISION RESIDENTIAL INSTALLATION MANUALUnit Electrical DataSingle speed with ECM motorHWG Ext Fan Total Min MaxPump Loop Motor Unit Circ Fuse/MCC R

16ENVISION RESIDENTIAL INSTALLATION MANUALSetting Fan Speed - PSC CAUTION: Disconnect all power before performing this operation.Fan Performance Data

17ENVISION RESIDENTIAL INSTALLATION MANUALSetting Fan Speed - ECM ECM2 fan motors have a 12-speed selector dip switch on the logic board (SW1) and are

18ENVISION RESIDENTIAL INSTALLATION MANUALVertical Dimensional DataTop Air DischargeLEFT RETURN RIGHT RETURNFRONTTOP2ft [61cm]Primary Service AccessTO

19ENVISION RESIDENTIAL INSTALLATION MANUALHorizontal Dimensional Data2ft [61cm]Primary Service AccessBC2.1in [5.4cm]HLONMSRQPMOUNT (2) HANGER BRACKETS

2ENVISION RESIDENTIAL INSTALLATION MANUALModel NomenclatureN D V 049 A 1 1 1 C T LModel TypeReturn Air ConfigurationN= EnvisionL= LeftR= RightCompress

20ENVISION RESIDENTIAL INSTALLATION MANUALVertical Dimensional Data2ft [61cm]Primary Service AccessLEFT SIDERIGHT SIDEBCSTBCSTLEFT RETURNRIGHT RETURNR

21ENVISION RESIDENTIAL INSTALLATION MANUAL022 030 036 042 048 060 070Compressor (1 each)Factory Charge R410a, oz [kg] Vertical 62 [1.76] 62

22ENVISION RESIDENTIAL INSTALLATION MANUALNotes: Sizes 038, 049 available with 1HP blower motor (ICM only).026 038 049 064 072Compressor (1 each) Cope

23ENVISION RESIDENTIAL INSTALLATION MANUALCHWLHPThermostatCORCY1OL1Y2NOTE 4GLPPSFPWBrn(15)Org(14)123P1045Envision - Single Speed Wiring Schematic - 20

24ENVISION RESIDENTIAL INSTALLATION MANUALWiring SchematicsEnvision - Single Speed Wiring Schematic - 208-230/60/1 - ECMCHWLHPThermostatCORCY1OL1Y2NOT

25ENVISION RESIDENTIAL INSTALLATION MANUALPB2Auxiliary Electric Heat Power208-230/60/1VioletBluWith optional ' EA' SeriesAuxiliary ElectricH

26ENVISION RESIDENTIAL INSTALLATION MANUALWiring SchematicsEnvision - Dual Capacity Wiring Schematic - 208-230/60/1- ECMCSRCHWLHPThermostatCORCY1OL1Y2

27ENVISION RESIDENTIAL INSTALLATION MANUALPB2Auxiliary Electric Heat Power208-230/60/1VioletBluWith optional ' EA' SeriesAuxiliary ElectricH

28ENVISION RESIDENTIAL INSTALLATION MANUALStartupThe unit will not operate until all the inputs and safety controls are checked for normal conditions.

29ENVISION RESIDENTIAL INSTALLATION MANUALMicroprocessor Control (cont.)Heat, 3rd Stage (Y1,Y2,W) Dual Capacity UnitsThe hot water pump is de-energize

3ENVISION RESIDENTIAL INSTALLATION MANUALTable of ContentsGeneral Installation Information 4-8Closed Loop Ground Source Systems 9Open Loop Ground Wa

30ENVISION RESIDENTIAL INSTALLATION MANUALGreen "POWER" LED - module has powerRed "TRIP" LED - Thermostat "Y" demand sig

31ENVISION RESIDENTIAL INSTALLATION MANUALThe following tables show the codes that will be displayed on the different ComforTalk and FaultFlash thermo

32ENVISION RESIDENTIAL INSTALLATION MANUALDIP Switch SettingsPrior to powering unit, ensure that all DIP switches on SW2 & SW3 are set properly ac

33ENVISION RESIDENTIAL INSTALLATION MANUALHigh voltage is correct and matches nameplate.Fuses, breakers and wire size correct.Low voltage wiring compl

34ENVISION RESIDENTIAL INSTALLATION MANUALOperation Logic DataOPERATION LOGIC HEATING COOLINGFAN ON SL1 - IN ONSTG1 STG2 STG3 EMERG STG1 STG2SINGLE SP

35ENVISION RESIDENTIAL INSTALLATION MANUALSuctionPressurePSIGDischargePressurePSIG022-070Superheat022-070SubcoolingWater Temp Rise °FAir Temp Drop °F

36ENVISION RESIDENTIAL INSTALLATION MANUALSuctionPressure PSIGDischargePressure PSIG Superheat SubcoolingWater Temp Rise °FAir Temp Drop °F DB1.5 1

37ENVISION RESIDENTIAL INSTALLATION MANUALPressure DropSingle Speed Models Dual Capacity Models30°F 50°F 70°F 90°F 110°F3.0 0.9 0.9 0.8 0.7 0.7

38ENVISION RESIDENTIAL INSTALLATION MANUALTroubleshootingStandard Microprocessor ControlsTo check the unit control board for proper operation:1) Disc

39ENVISION RESIDENTIAL INSTALLATION MANUALPreventive MaintenanceWater Coil Maintenance1. Keep all air out of the water. An open loop system should be

4ENVISION RESIDENTIAL INSTALLATION MANUALMoving and StorageMove units in the normal “up” orientation. Horizontal units may be moved and stored per the

Manufactured by WFI9000 Conservation WayFort Wayne, IN 46809WaterFurnace has a policy of continuous product research and development and reserves the

5ENVISION RESIDENTIAL INSTALLATION MANUALInstalling Horizontal Units Remove and discard the compressor hold down shipping bolt located at the front o

6ENVISION RESIDENTIAL INSTALLATION MANUALDuct System An air outlet collar is provided on vertical top air discharge units and all horizontal units to

7ENVISION RESIDENTIAL INSTALLATION MANUALWater Quality In ground water situations where scaling could be heavy or where biological growth such as iron

8ENVISION RESIDENTIAL INSTALLATION MANUAL1/2'' PitchDrain1.5"1.5"3/4” PVC tube stub3/4" PVCCouplingVent (if needed)3/4"

9ENVISION RESIDENTIAL INSTALLATION MANUALFigure 7: Closed Loop Ground Source Application Closed Loop Ground Source SystemsNote: For closed loop system