Envision Peripherals Geothermal Indoor Split Heat Pumps User Manual

Installation InformationWater Piping ConnectionsDesuperheater ConnectionsElectricalStartup ProceduresTroubleshootingPreventive MaintenanceIM1592 06/

10ENVISION SERIES INSTALLATION MANUAL Open Loop - Well Water Systems Typical open loop piping is shown below. Always maintain water pressure in the h

11ENVISION SERIES INSTALLATION MANUALSolenoid Wiring Water control valves draw their power directly from a unit’s 24V transformer and can overload an

12ENVISION SERIES INSTALLATION MANUAL Closed Loop Ground Source SystemsNote: For closed loop systems with antifreeze protection, set SW2-2 to the “lo

13ENVISION SERIES INSTALLATION MANUALFigure 11: Desuperheater Installation in Preheat TankFigure 10: Typical Desuperheater InstallationDrain ValveInP/

14ENVISION SERIES INSTALLATION MANUAL Plumbing Installation1. Inspect the dip tube in the water heater cold inlet for a check valve. If a check valv

15ENVISION SERIES INSTALLATION MANUALGeneral Be sure the available power is the same voltage and phase as that shown on the unit serial plate. Line an

16ENVISION SERIES INSTALLATION MANUAL Wiring SchematicsEnvision Series - Dual Capacity Split Wiring Schematic - 208-230/60/1HWLHPLPWCL97P774-31 3/9/07

17ENVISION SERIES INSTALLATION MANUALWiring SchematicsEnvision Series - Single Speed Split Wiring Schematic - 208-230/60/1HWLHPLPWCL97P774-30 3/9/07St

18ENVISION SERIES INSTALLATION MANUAL StartupThe unit will not operate until all the inputs and safety controls are checked for normal conditions. At

19ENVISION SERIES INSTALLATION MANUALCooling Operation In all cooling operations, the reversing valve directly tracks the “O” input. Thus, anytime

2ENVISION SERIES INSTALLATION MANUAL Model NomenclatureN D Z 049 A 1 1 A CCoax OptionsModel Type C= CopperN= Envision N= CupronickelCompressor Type Op

20ENVISION SERIES INSTALLATION MANUAL OPERATION LOGIC HEATING COOLINGFAN ONSL1 - IN ONSL2 - IN ONSTG1 STG2 STG3 EMERG STG1 STG2 SINGLE SPEED UNITSComp

21ENVISION SERIES INSTALLATION MANUALDIP SWITCH NUMBERDESCRIPTION OFF POSITION ON POSITIONSW1 N/A NOT USED N/A N/ASW21Service/Test Mode - Allows contr

22ENVISION SERIES INSTALLATION MANUAL The Envision series comes with a holding charge. The charge must be adjusted in the eld based on performance. R

23ENVISION SERIES INSTALLATION MANUALLeak TestingThe refrigeration line set must be pressurized and checked for leaks before purging and charging the

24ENVISION SERIES INSTALLATION MANUAL Once the proper superheat setting has been achieved, replace and tighten the seal cap.Warning: There are 8 total

25ENVISION SERIES INSTALLATION MANUALPressure/Temperature Coversion Chart for R-410APRESSURE (PSIG)TEMP °FPRESSURE (PSIG)TEMP °FPRESSURE (PSIG)TEM

26ENVISION SERIES INSTALLATION MANUAL Single Speed ModelsUnit Operating ParametersSuctionPressurePSIGDischargePressurePSIGSuperheat SubcoolingWater Te

27ENVISION SERIES INSTALLATION MANUALDual Capacity ModelsUnit Operating ParametersNote: Cooling performance based on entering air temperatures of 80º

28ENVISION SERIES INSTALLATION MANUAL High voltage is correct and matches nameplate.Fuses, breakers and wire size correct.Low voltage wiring complete.

29ENVISION SERIES INSTALLATION MANUAL15. Adjust the heating setpoint below room temperature and verify that the compressor and water valve or loop pu

3ENVISION SERIES INSTALLATION MANUALTable of ContentsModel Nomenclature 2Physical Characteristics 2General Installation Inf

30ENVISION SERIES INSTALLATION MANUAL Heating Cycle AnalysisCOOLING TXV - ACTIVERIGHT TO LEFTClgTXVLinesetlengthMeasure liquid linetemperature andpres

31ENVISION SERIES INSTALLATION MANUALPressure Drop and Recommended Flow Rates30°F 50°F 70°F 90°F 110°F4 1.4 1.3 1.2 1.1 1.06 2.8 2.6 2.4 2.3 2.18 4.7

32ENVISION SERIES INSTALLATION MANUAL TroubleshootingStandard Microprocessor ControlsTo check the unit control board for proper operation:1. Disconne

33ENVISION SERIES INSTALLATION MANUALPreventive MaintenanceWater Coil Maintenance1. Keep all air out of the water. An open loop system should be check

34ENVISION SERIES INSTALLATION MANUAL Physical Dimensions DIMENSION VALUE DIM ENSION VALUE DESCRIPTIONA 19.25 A 21.25 UNIT HEIGHTB 22.50 B 25.50 UNIT

35ENVISION SERIES INSTALLATION MANUALInstallation Notes:

Manufactured by:WaterFurnace International, Inc.9000 Conservation WayFort Wayne, IN 46809WFI has a policy of continuous product research and developme

4ENVISION SERIES INSTALLATION MANUAL Installing and servicing heating and air conditioning equipment can be hazardous due to system pressure and elect

5ENVISION SERIES INSTALLATION MANUALsmall, as in replacement of heating only systems, larger ductwork should be installed. All existing ductwork shoul

6ENVISION SERIES INSTALLATION MANUAL DisconnectThermostat WireFrom Air HandlerVibration Absorbing Pad or Air PadP/T PlugsWater OutWater InLineset To

7ENVISION SERIES INSTALLATION MANUALDual Fuel SystemsEnvision units can be connected to fossil fuel furnaces that include an A-coil or slab coil. Dual

8ENVISION SERIES INSTALLATION MANUAL Water Piping The proper water ow must be provided to each unit whenever the unit operates. To assure proper ow

9ENVISION SERIES INSTALLATION MANUALAir Handler Coil DataNotes: * Variable speed air handler required for all dual capacity units.Line Set SizesEnvisi