WaterFurnace Versatec 500 Installation Manual
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WaterFurnace Versatec 500 Installation Manual

Water source/geothermal heat pump
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Formerly Envision
Commercial 60 Hz
Water Source/Geothermal Heat Pump
• R-410A Refrigerant
• Commercial 0.75-6 Ton
Installation Information
Water Piping Connections
Hot Water Connections
Electrical
Startup Procedures
Troubleshooting
Preventive Maintenance
2
Compact
s
IM1022ANA 01/24

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Summary of Contents for WaterFurnace Versatec 500

  • Page 1 Formerly Envision Compact Commercial 60 Hz Water Source/Geothermal Heat Pump • R-410A Refrigerant • Commercial 0.75-6 Ton Installation Information Water Piping Connections Hot Water Connections Electrical Startup Procedures Troubleshooting Preventive Maintenance IM1022ANA 01/24...

  • Page 3: Table Of Contents

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Table of Contents Model Nomenclature............. . . 4 General Installation Information .

  • Page 4: Model Nomenclature

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Model Nomenclature 21-22 Model Type Vintage NB – Envision Compact * – Factory Use Only Cabinet Configuration Non-Standard Option V – Vertical SS – Standard H - Horizontal Drain Pan Option Unit Capacity (MBTUH) 0 –...

  • Page 5: General Installation Information

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact General Installation Information Safety Considerations Unit Location Locate the unit in an indoor area that allows for easy WARNING: Before performing service or removal of the filter and access panels. Location should...

  • Page 6: Dimensional Data

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Vertical Dimensional Data Standard filter rails for Field installed open return applications duct flange Deluxe filter rack for ductable return applications Air coil ACCESS PANEL 2' (61 cm) Alternate Service Access...
  • Page 7 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Vertical Dimensional Data cont. Electrical Knockouts Water Connections Overall Cabinet Vertical 1/2 in. 1/2 in. Models Loop Knockout 1 in. cond cond cond Cond- Water Power Width Depth Height* HWG In HWG Out...
  • Page 8 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Horizontal Dimensional Data 1.7 in. 1.7 in. Standard filter rails [5.3 cm] [5.3 cm] Standard filter rails 1 in. [2.5 cm] knockout 0.5 in. [1.3 cm] knockout Left Return Right Return...
  • Page 9 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Horizontal Dimensional Data cont. Water Connections Electrical Knockouts Overall Cabinet Horizontal Models Loop 1/2 in. cond 1 in. cond Width Depth Height* Condensate Water FPT Low Voltage Power Supply 22.5 35.0...

  • Page 10: Waterside Economizer Dimensional Data

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Waterside Economizer Dimensional Data CONTROLS FOR THERMOSTAT OPERATION MOUNTS FLUSH WITH TOP PANEL "C" "B" ECONO OUTLET (TO UNIT IN) WATER OUTLET "A" WATER INLET NOT SUPPLIED FIELD INSTALLED FILTER RACK W IDTH...

  • Page 11: Installing Horizontal Units

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Installing Horizontal Units Installing Horizontal Units be pitched approximately 1/4 in. towards the drain in both directions to facilitate the removal of condensate. Use only Remove and discard the compressor hold down shipping the bolts provided in the kit to attach hanger brackets.

  • Page 12: Field Discharge Conversion

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Field Discharge Conversion NHS 80-90-120 After removing blower assembly move belt pulley to other side of housing. (See photos 1 & 2) Use rivet nuts in bottom panel for new blower position. Verify nuts are fully seated and expanded into bottom panel.
  • Page 13 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Field Discharge Conversion cont. Motor must be wired to run in opposite direction when converting from and end to a side discharge. (See photos 5 & 6)
  • Page 14 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Field Discharge Conversion cont. After mounting blower to bottom panel and motor back on the mounting plate, use adjustment screws on mounting plate to adjust belt tension, and align pulleys.
  • Page 15 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Field Discharge Conversion cont. Replace interchangeable access panels. (see photos 9 & 10 )
  • Page 16 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Field Discharge Conversion cont. 009-070 Versatec Ultra Model Field Conversion: 1) Shut off power supplied to the unit. 2) Remove all access panel screws and set aside for later use.

  • Page 17: Hanger Bracket Locations

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Hanger Bracket Locations Right Left Compressor Section Air Handler Section Air Handler Section Compressor Section 3/8” Vibration Isolator Threaded Rod (not supplied) Washer Hex Nuts (not supplied) Bolt and Lockwasher NOTE: Model sizes 070-072 will be shipped with six (6) hanger brackets.

  • Page 18: Duct System

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Duct System An air outlet collar is provided on vertical top flow units The duct system should be sized to handle the design and all horizontal units to facilitate a duct connection.

  • Page 19: Water Quality

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Water Quality In ground water situations where scaling could be heavy with extremely hard water, the owner should be informed or where biological growth such as iron bacteria will be that the heat exchanger may require occasional flushing.

  • Page 20: System Cleaning And Flushing

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact System Cleaning and Flushing Cleaning and Flushing Flushing with Water Shutoff Valve Equipped Systems Prior to start up of any heat pump, the water circulating system must be cleaned and flushed of all dirt and debris.

  • Page 21: Open Loop Ground Water Systems

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Open Loop Ground Water Systems Typical open loop piping is shown below. Always maintain Open System - Groundwater Application water pressure in the heat exchanger by placing water control valves at the outlet of the unit to prevent mineral Unit Supply precipitation.

  • Page 22: Hot Water Generator Connections

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Hot Water Generator Connections The heat reclaiming hot water generator coil is of vented Typical Hot Water Generator Installation double-wall copper construction and is suitable for Cold 3/4 in. x 3/4 in. x 1/2 in. Tee potable water.
  • Page 23 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Hot Water Generator Connections cont. Hot Water Generator Startup 9. After the thermostat(s) is adjusted, replace the access cover and restore electrical supply to the water heater. 1. Make sure the power is off to the heat pump. Connect 10.

  • Page 24: Freeze Detection

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Freeze Detection For Aurora Base Control, set SW2-1, FP1, on the printed circuit board for applications using a closed loop antifreeze solution to 15°F [-9.4°C]. On applications using an open loop/ground water system (or closed loop no antifreeze), set this dip switch to 30°F [-1.1°C], the factory default setting.

  • Page 25: Electrical Data

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Electrical Data PSC Motor Compressor Blower Total Max Fuse/ Rated Voltage Model Motor Unit Circ HACR Voltage Min/Max LRA** Breaker 208-230/60/1 187/253 21.0 10/15 265/60/1 238/292 22.0 10/15 208-230/60/1 187/253 25.0...
  • Page 26 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Electrical Data cont. 5-Speed ECM Motor Compressor Blower Total Max Fuse/ Rated Voltage Model Motor Unit Circ HACR Voltage Min/Max LRA** Breaker 208-230/60/1 187/253 29.0 10.3 11.9 265/60/1 238/292 28.0...
  • Page 27 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Electrical Data cont. Variable Speed ECM Motor Compressor Blower Total Rated Voltage Model Motor Unit Circ Fuse/ Voltage Min/Max LRA** HACR Breaker 208-230/60/1 187/253 21.0 0.94 5.04 10/15 265/60/1 238/292 22.0...

  • Page 28: Blower Performance Data

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Blower Performance Data Standard PSC Motor Blower Blower Motor Airfl ow (cfm) at External Static Pressure (in. wg) Model Size 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.60...
  • Page 29 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Blower Performance Data cont. 5-Speed ECM - Single Speed Airfl ow (cfm) at External Static Pressure (in. wg) Motor Motor T’Stat Blower Motor Model Cnct. Size 0.05 0.10 0.15 0.20 0.25...
  • Page 30 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Blower Performance Data cont. 5-Speed ECM - Dual Capacity Airfl ow (cfm) at External Static Pressure (in. wg) Motor Motor T’stat Blower Motor Model Speed Cnct. Size 0.05 0.10 0.15 0.20...
  • Page 31 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Blower Performance Data cont. Variable Speed ECM Motor Single Speed Airfl ow DIP Switch Settings Blower Motor Model Size 0.50 9 x 7 0.50 9 x 7 1000 1100 1200 0.50...
  • Page 32 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Blower Performance Data cont. Setting Blower Speed - Variable Speed ECM Variable Speed ECM Setup with an AID Tool cont. Selecting YES will enter variable The ABC board’s Yellow Confi g LED will fl ash the current...

  • Page 33: Wiring Schematics

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Wiring Schematics Aurora Base with Variable Speed ECM - 460/60/3 Compressor Orange Unit Power Supply Unit Power Supply 460/60/3 w/Neutral 460/60/3 w/Neutral G G G Phase Phase Brown Guard Guard...
  • Page 34 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Wiring Schematics cont. Aurora Base with 5-Speed ECM - 460/60/3 Compressor Black Phase Phase Phase Phase Yellow Guard Guard Guard Guard Unit Power Supply Unit Power Supply Monitor Monitor Monitor...
  • Page 35 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Wiring Schematics cont. Commercial Aurora Base with Variable Speed ECM 208-230/60/1 Compressor Blue Capacitor Black Unit Power Supply Unit Power Supply 208-230-265/60/1 208-230-265/60/1 G G G Green (93) Green (93)
  • Page 36 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Wiring Schematics cont. Commercial Aurora Base with Variable Speed ECM 208-230/60/1 Aurora Timing Events Aurora Timing Events Normal Mode Normal Mode Test Mode Test Mode Event Event Random Start Delay...
  • Page 37 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Wiring Schematics cont. Commercial Aurora Base with Variable Speed ECM - 265/201/1 Compressor Blue Capacitor Black Unit Power Supply Unit Power Supply 265/60/1 265/60/1 G G G Green (93) Ground...
  • Page 38 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Wiring Schematics cont. Commercial Aurora Base with Variable Speed ECM - 265/201/1 Aurora Timing Events Aurora Timing Events Event Event Normal Mode Normal Mode Test Mode Test Mode Random Start Delay...
  • Page 39 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Wiring Schematics cont. Aurora Control and UPC To ABC - P8 1 2 3 4 5 6 7 8 Orange Blue Green White Brown Black Yellow BACnet or N2 Network...

  • Page 40: Controls

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - Aurora Base Control Aurora ‘Base’ Control Field Selectable Options via Hardware DIP Switch (SW1) – Test/Configuration Button (See SW1 Operation Table) Test Mode The control is placed in the test mode by holding the push button switch SW1 for 2 - 5 seconds.
  • Page 41 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - Aurora Base Control cont. Cycle with Blower - The accessory relay will cycle with Lockout – when locked out, the blower will operate the blower output. continuously in “G” speed, and PSC blower motor output will remain on.
  • Page 42 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - Aurora Base Control cont. Over/Under Voltage Shutdown - An over/under voltage Cooling Operation condition exists when the control voltage is outside the In all cooling operations, the reversing valve directly tracks range of 18 VAC to 30 VAC.
  • Page 43 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - Aurora Base Control cont. Aurora ‘Base’ Control LED Displays Aurora Interface and Diagnostics (AID) Tool These three LEDs display the status, configuration, and The Aurora Interface and fault codes for the control. These can also be read in plain Diagnostics (AID) Tool is English via the Aurora AID Tool.
  • Page 44 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - Aurora Advanced Control the current thermostat demand cycle. Since compressor hot Aurora ‘Advanced’ Control Features gas temperature is dependent on loop temperature in cooling The Aurora ‘Advanced’ mode, loop temperatures may be too low to allow proper Control system expands on heating of water.
  • Page 45 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - Aurora Advanced Control cont. Advanced Communication Ports Home Automation 2 – E24 HA2 With a closed dry contact signal, this input will cause an Communication ports P6 and P8 will provide future alarm and Alert Code 24 to indicate on the stat or flash expansion via dedicated protocols.
  • Page 46 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - Aurora Advanced Control cont. Special Modes and Applications Aurora ‘Advanced’ Control LED Displays These three LEDs display the status, configuration, and 5-Speed ECM Blower Motor fault codes for the control. These can also be read in plain Normally the 5-Speed ECM motor can be driven off English via the Aurora AID Tool.
  • Page 47 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - UPC DDC Control (optional) Aurora UPC Controller ZS Series Sensors The Aurora Unitary Protocol Converter (UPC) is designed and communicate to the heat pump thru a choice of 3 to add-on to any Aurora based heat pump control.
  • Page 48 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - UPC DDC Control (optional) cont. Modbus BACnet Rnet Aurora UPC Features Aurora UPC Optional Features • Rugged enclosure made of GE C2950 Cycoloy plastic • BACview handheld display, needed for field configuration •...
  • Page 49 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - UPC DDC Control (optional) cont. Port 1a is used to communicate to the Building Automation System (BAS). This port’s settings are 24Vac configured through the onboard dip switches.
  • Page 50 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - UPC DDC Control (optional) cont. Leaving Air Temperature (LAT) Sensor – This 10 kOhm Dirty Filter Switch – This optional field installed switch NTC sensor is factory installed on all UPC equipped is connected to confirm dirty filter operation.
  • Page 51 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - UPC DDC Control (optional) cont. Aurora Base or Advanced Control Configuration and Status Codes Status LED (LED3, Green) Description of Operation Fault LED, Green Normal Mode Control is Non-functional...
  • Page 52 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - UPC DDC Control (optional) cont. Aurora Advanced Control Configuration and Options (Future Availability on Select Models/Configurations) Accessory Relay2 – A second, configurable, accessory relay on the AXB is provided that can be cycled with the compressor 1 or 2 , blower, or the Dehumidifier (DH) input.
  • Page 53 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - UPC DDC Control (optional) cont. Aurora Advanced Control Optional Sensor Kits (Availability on Select Models/Configurations) Performance Monitoring (optional sensor kit) - The Energy Monitoring (Standard Sensor Kit on ‘Advanced’...
  • Page 54 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - UPC DDC Control (optional) cont. This is done using (2) 18 AWG twisted pair unshielded ZS Series RNet Sensor Overview cables for a total of 4 wires connected to the Rnet port.
  • Page 55 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Controls - UPC DDC Control (optional) cont. RNet Sensor Physical and Electrical Data Sensing Element Range Accuracy Temperature (on non-Humidity models) -4° to 122° F (-20° C to 50° C) ±0.35°...

  • Page 56: Unit Startup

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Unit Startup Before Powering Unit, Check The Following: NOTE: Remove and discard the compressor shipping bolts. The bolts can then be discarded. • High voltage is correct and matches nameplate.

  • Page 57: Operating Limits

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Operating Limits Cooling Heating Operating Limits (°F) (°C) (°F) (°C) Air Limits Min. Ambient Air Rated Ambient Air 26.7 21.1 Max. Ambient Air 37.8 29.4 Min. Entering Air 10.0 NOTE: Minimum/maximum limits are only for start-up conditions, and Rated Entering Air db/wb 80.6/66.2...
  • Page 58 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Operating Parameters cont. Dual Capacity Models First Stage Operation Cooling -- No Hot Water Generation Entering Water Water Flow Suction Pressure Discharge Pres- Water Temp Rise Air Temp Drop Temp °F...

  • Page 59: Pressure Drop

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Pressure Drop Single Speed Pressure Drop (psi) Pressure Model Valve 30°F 50°F 70°F 90°F 110°F Drop (psi) 0.02 0.04 1/2 in. 0.09 12.0 11.4 11.0 10.8 10.5 10.1 0.16 0.02 0.06...

  • Page 60: Reference Calculations And Legend

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Reference Calculations Heating Calculations: Cooling Calculations: LWT = EWT - LWT = EWT + gpm x 500 gpm x 500 LAT = EAT + LAT(DB) = EAT(DB) - cfm x 1.08 cfm x 1.08...

  • Page 61: Compressor And Thermistor Resistance

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Compressor Resistance 208-230/60/1 265/60/1 Model 208-230/60/3 460/60/3 575/60/3 Start Start 3.65 - 4.19 3.75 - 4.31 3.73 - 4.27 4.45 - 5.13 3.35 - 3.85 2.80 - 3.22 3.73 - 4.27 4.45 - 5.13...

  • Page 62: Heat Of Extraction/Rejection Data

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Heat of Extraction/Rejection Data Single Speed Heat of Extraction (HE) - MBtu/h Heat of Rejection (HR) - MBtu/h Model 30°F 50°F 70°F 90°F 30°F 50°F 70°F 90°F 110°F 11.3 13.0 12.4...

  • Page 63: Troubleshooting

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Troubleshooting Should a major problem develop, refer to the following If the unit operation is noisy: information for possible causes and corrective steps. Check compressor for loosened mounting bolts. Make sure compressor is floating free on its isolator mounts.
  • Page 64 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Startup and Troubleshooting Form Company Name: _________________________________ Company Phone No: ______________________________ Technician Name: ________________________________ Date: __________________________________________ Model No: ______________________________________ Serial No:_______________________________________ Owner’s Name: __________________________________ Open or Closed Loop: _____________________________ Installation Address: ______________________________...
  • Page 65 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Startup/ roubleshooting Form Controls Info: ABC Version: Dealer: AXB Version: Phone #: Date: Problem: IZ2 Version: Model #: T-Stat Version: Installed Sensors: Serial #: COOLING CYCLE ANALYSIS SAT °F °F...

  • Page 66: Preventive Maintenance And Replacement Parts

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Preventive Maintenance Water Coil Maintenance Condensate Drain In areas where airborne bacteria produce a slime in the Keep all air out of the water. An open loop system drain pan, it may be necessary to treat chemically to should be checked to ensure that the well head is not minimize the problem.
  • Page 67 VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Notes...

  • Page 68: Revision Guide

    VERSATEC 500 0.75-6 TON INSTALLATION MANUAL - Formerly Envision Compact Revision Guide Pages: Description: Date: Add Waterside Economizer Dimensional Data 20 Oct 2023 11-15 Field Discharge Conversion 15 Oct 2022 Cover Naming Update 10 Jan 2022 Misc. Add 5-Speed ECM...
  • Page 69 Commercial 0.75-6 Ton Document: Installation Manual IM1022ANA 01/24 ©2024 WaterFurnace International, Inc., 9000 Conservation Way, Fort Wayne, IN 46809-9794. WaterFurnace has a policy of continual product research and development and reserves the right to change design and specifi cations without notice.

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