Water Furnace envision 2 compact Installation Manual
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Water Furnace envision 2 compact Installation Manual

Water source/geothermal heat pump
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COMPACT
Water Source/Geothermal Heat Pump
• R-410A Refrigerant
• Commercial 0.75-6 Ton
Installation Information
Water Piping Connections
s
Hot Water Connections
Electrical
Startup Procedures
Troubleshooting
Preventive Maintenance
IM1022AN 01/13

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Summary of Contents for Water Furnace envision 2 compact

  • Page 1 COMPACT 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 IM1022AN 01/13...

  • Page 3: Table Of Contents

    ENVISION COMPACT INSTALLATION MANUAL Table of Contents Model Nomenclature ............4 General Installation Information .

  • Page 4: Model Nomenclature

    ENVISION COMPACT INSTALLATION MANUAL Model Nomenclature 21-22 Vintage Model Type NB = Envision Compact A = PSC & 5-Speed ECM Motor B = Variable Speed ECM Motor Cabinet Configuration Non-Standard Option Details V = Vertical SS = Standard Option H = Horizontal Unit Capacity Drain Pan Option Single Speed...

  • Page 5: General Installation Information

    ENVISION COMPACT INSTALLATION MANUAL General Installation Information Unit Location Safety Considerations 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 maintenance operations on a system, turn off main have enough space for service personnel to perform power switches to the indoor unit.

  • Page 6: Dimensional Data

    ENVISION COMPACT INSTALLATION MANUAL 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 FRONT FRONT 1.4 in (3.5 cm) 1.4 in (3.5 cm) Top View - Right Return Top View - Left Return...
  • Page 7 ENVISION COMPACT INSTALLATION MANUAL 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 ensate Provisions Voltage Voltage Supply 22.5...

  • Page 8: Horizontal Dimensional Data

    ENVISION COMPACT INSTALLATION MANUAL 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 Left Return 0.5 in. [1.3 cm] knockout Right Return Front Front RR Front View 2' (61 cm) 2' (61 cm) Service Access...
  • Page 9 ENVISION COMPACT INSTALLATION MANUAL 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 17.2 1/2 in. 009-012 57.2 88.9 43.7 17.3...

  • Page 10: Installing Horizontal Units

    ENVISION COMPACT INSTALLATION MANUAL Installing Horizontal Units Installing Horizontal Units To allow filter access, install hanger brackets as illustrated in the Hanger Bracket Locations section. The unit should Remove and discard the compressor hold down shipping be pitched approximately 1/4 in. towards the drain in both bolt located at the front of the compressor mounting directions to facilitate the removal of condensate.

  • Page 11: Hanger Bracket Locations

    ENVISION COMPACT INSTALLATION MANUAL 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. Only five (5) hanger brackets will be used on the unit. See the above illustration for the fifth hanger bracket location.

  • Page 12: Duct System

    ENVISION COMPACT INSTALLATION MANUAL 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. airflow quietly and efficiently. To maximize sound A flexible connector is recommended for discharge attenuation of the unit blower, the supply and return and return air duct connections on metal duct systems.

  • Page 13: Water Quality

    ENVISION COMPACT INSTALLATION MANUAL 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. present, a closed loop system is recommended.

  • Page 14: Open Loop Ground Water Systems

    ENVISION COMPACT INSTALLATION MANUAL System Cleaning and Flushing cont. be opened for initial flush and blowdown, making sure been established through all components including the water fill valves are set at the same rate. Check the pressure heat rejector (regardless of season), air vented and loop gauge at the pump suction and manually adjust the make- temperatures stabilized, each of the units will be ready for up water valve to hold the same positive pressure both...

  • Page 15: Hot Water Generator Connections

    ENVISION COMPACT INSTALLATION MANUAL 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 16 ENVISION COMPACT INSTALLATION MANUAL Hot Water Generator Connections cont. 9. After the thermostat(s) is adjusted, replace the access Hot Water Generator Startup cover and restore electrical supply to the water heater. 1. Make sure the power is off to the heat pump. Connect 10.

  • Page 17: Freeze Detection

    ENVISION COMPACT INSTALLATION MANUAL Freeze Detection For Aurora Base Control, set SW2-1, FP1, on the printed For FX10 board, the “red” wire must be removed from PB2- circuit board for applications using a closed loop antifreeze 3 to change from 30°F [-1.1°C], the factory default setting, solution to 15°F [-9.4°C].

  • Page 18: Electrical Data

    ENVISION COMPACT INSTALLATION MANUAL 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 10/15 265/60/1 238/292 22.0 10/15 208-230/60/1 187/253 29.0...
  • Page 19 ENVISION COMPACT INSTALLATION MANUAL 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 10/15 208-230/60/1 187/253 13.1 33.5 12.5 14.6 265/60/1 238/292...
  • Page 20 ENVISION COMPACT INSTALLATION MANUAL Electrical Data cont. Variable Speed ECM Motor Blower Total Max Fuse/ Compressor Rated Voltage Model Motor Unit Circ HACR Voltage Min/Max LRA** Breaker 208-230/60/1 187/253 29.0 10.2 11.8 265/60/1 238/292 28.0 10.4 208-230/60/1 187/253 13.1 33.5 12.4 14.5 265/60/1...

  • Page 21: Blower Performance Data

    ENVISION COMPACT INSTALLATION MANUAL Blower Performance Data Standard PSC Motor Blower Blower Motor Airflow (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 0.70 0.80 0.90 1.00 6 x 8 1/10 6 x 8 1/10...
  • Page 22 ENVISION COMPACT INSTALLATION MANUAL Blower Performance Data cont. 5-Speed ECM - Single Speed Airflow (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 0.30 0.35 0.40 0.45 0.50 0.60 0.70 0.80 0.90...
  • Page 23 ENVISION COMPACT INSTALLATION MANUAL Blower Performance Data cont. 5-Speed ECM - Dual Capacity Airflow (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 0.25 0.30 0.35 0.40 0.45 0.50 0.60 0.70 0.80...
  • Page 24 ENVISION COMPACT INSTALLATION MANUAL Blower Performance Data cont. Variable Speed ECM Motor Single Speed Airflow DIP Switch Settings Blower Motor Model Size 0.50 9 x 7 0.50 9 x 7 1000 1100 1200 0.50 9 x 7 1000 1100 1200 0.50 9 x 7 1000...
  • Page 25 ENVISION COMPACT INSTALLATION MANUAL Blower Performance Data cont. Variable Speed ECM Setup with an AID Tool cont. Setting Blower Speed - Variable Speed ECM Selecting YES will enter variable ECM SPEED INFO The ABC board’s Yellow Config LED will flash the current speed ECM speed setup, while variable speed ECM blower speed selections for low, med, selecting NO will return to the...

  • Page 26: Wiring Schematics

    ENVISION COMPACT INSTALLATION MANUAL Wiring Schematics Aurora Control 460/60/3 Variable Speed ECM Compressor Unit Power Supply 460/60/3 w/Neutral Note 3 Yellow Black Phase Guard Orange Monitor Note 1 (PGM) Brown Green (93) Ground L1 L2 L3 Gray (94) Neutral Disconnect Black (54) Black (95) Black (7)
  • Page 27 ENVISION COMPACT INSTALLATION MANUAL Wiring Schematics cont. Aurora Base Control 460/60/3 5-Speed ECM with Reheat Note 4 Black Phase Yellow Guard Monitor Unit Power Supply (PGM) 460/60/3 L1 L2 L3 Note 1 Red (9) Green (93) Ground Neutral White (8) Disconnect Black (7) Black (95)
  • Page 28 ENVISION COMPACT INSTALLATION MANUAL Wiring Schematics cont. FX10 Control 460/60/3 5-Speed ECM Notes: 5-Spd ECM Low Voltage Connections Single Speed 1 – Disconnect for 15 degree freeze detection limit. TAXXA04 Room Command Model TAP-1 TAP-2 TAP-3 TAP-4 TAP-5 2 – Acc 1 output is cycled with the compressor. 3 –...
  • Page 29 ENVISION COMPACT INSTALLATION MANUAL Wiring Schematics cont. FX10 Control 460/60/3 5-Speed ECM cont. Unit Power Supply 460/60/3 Note 10 Compressor Phase Guard Monitor Note 9 (PGM) Green (93) Ground L1 L2 L3 Neutral Disconnect Yellow Black Black (95) Black (7) White (8) Yellow (96) Red (9)
  • Page 30 ENVISION COMPACT INSTALLATION MANUAL Wiring Schematics cont. Hot Gas Reheat Humidity Sensor Terminal Block Connect to C on the Low Volt Terminal Board NOTE: Reversing these two wires will cause the transformer breaker to trip Connect to R on the Low Volt Terminal Board 5VDC (NOT USED) Yellow...

  • Page 31: Controls

    ENVISION COMPACT INSTALLATION MANUAL 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 32: Safety Features

    ENVISION COMPACT INSTALLATION MANUAL 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 33 ENVISION COMPACT INSTALLATION MANUAL 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. If the over/under voltage the O input.
  • Page 34 ENVISION COMPACT INSTALLATION MANUAL 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 35 ENVISION COMPACT INSTALLATION MANUAL Controls - FX10 (optional) temperature, CO or current status switches. The control has Optional FX10 Microprocessor unused binary and PWM outputs that can be commanded and BAS Interface over the BAS for field use. An optional Medium User Interface (MUI) for control setup and advanced diagnostics is available with some mounting kits, MUIK3 - Panel mount version and the MUIK4-Wall mount version.

  • Page 36: Sequence Of Operation

    ENVISION COMPACT INSTALLATION MANUAL Controls - FX10 (optional) cont. Lockout Mode Low Pressure (BI-3) Lockout mode can be activated by any of the following fault The low-pressure switch shall be a normally closed (NC) signals: refrigerant system high pressure, refrigerant system switch that monitors the systems refrigerant pressure.

  • Page 37: Cooling Cycle

    ENVISION COMPACT INSTALLATION MANUAL Controls - FX10 (optional) cont. Compressor Fixed On Delay Time (BO2) will be enabled and the variable speed ECM blower will operate in medium speed. When the control The Compressor Fixed On Delay Time will ensure that the receives a Y2 command (BI-8) from the thermostat the compressor output (B02) is not enabled for 90 seconds variable speed ECM blower will operate in high speed.
  • Page 38 ENVISION COMPACT INSTALLATION MANUAL Controls - FX10 (optional) cont. the software shall select speed setting 10 for low-speed, MUI Alarm History Reporting 11 for medium-speed, and will select speed setting 12 for If a fault occurs the fault will be recorded in history for high speed.
  • Page 39 ENVISION COMPACT INSTALLATION MANUAL Controls - FX10 (optional) cont. MUI Menu Navigation for Single Compressor - Envision Series Water-to-Air Welcome Info Status Temps Outputs Settings Maint Alarms Alm-History Info Status Temps Outputs Settings Water Source Run Mode Auto Zone Temp 77.2 ºF nvoFanStatus Unit of Measure...

  • Page 40: Unit Startup

    ENVISION COMPACT INSTALLATION MANUAL 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. • Fuses, breakers and wire size correct. •...

  • Page 41: Operating Limits

    ENVISION COMPACT INSTALLATION MANUAL 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 27/19 20.0...
  • Page 42 ENVISION COMPACT INSTALLATION MANUAL 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 gpm/ton Superheat Subcooling psig sure psig °F °F DB 105 - 120...

  • Page 43: Pressure Drop

    ENVISION COMPACT INSTALLATION MANUAL Pressure Drop Single Speed Pressure Drop (psi) Pressure Model Valve Drop (psi) 30°F 50°F 70°F 90°F 110°F 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 1/2 in. 10.0 0.12 10.2 0.19 0.04 0.09...

  • Page 44: Reference Calculations And Legend

    ENVISION COMPACT INSTALLATION MANUAL 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 LC = TC - SC TH = HC + HWC S/T = Legend...

  • Page 45: Compressor And Thermistor Resistance

    ENVISION COMPACT INSTALLATION MANUAL 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 2.74 - 3.16 2.60 - 3.00 3.03 - 3.49 2.39 - 2.75...

  • Page 46: Heat Of Extraction/Rejection Data

    ENVISION COMPACT INSTALLATION MANUAL 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 12.1 11.6 13.3 13.0 12.4 12.1 11.9 11.8...

  • Page 47: Troubleshooting

    ENVISION COMPACT INSTALLATION MANUAL 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. Check for tubing contact with the compressor or other If compressor won’t run: surfaces.

  • Page 48: Startup And Troubleshooting Form

    ENVISION COMPACT INSTALLATION MANUAL 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: ______________________________ Installation Date: _________________________________ Check One ❑...
  • Page 49 ENVISION COMPACT INSTALLATION MANUAL DEALER: PHONE #: DATE: PROBLEM: MODEL #: Startup/Troubleshooting Form SERIAL #: COOLING CYCLE ANALYSIS SAT °F °F Unit Amp Draw: Loop: Open Closed Line Voltage: °F °F COIL SUCTION COMPRESSOR REVERSING COAX COAX EXPANSION VALVE LOAD SOURCE VALVE DISCHARGE...

  • Page 50: Preventive Maintenance And Replacement Parts

    ENVISION COMPACT INSTALLATION MANUAL Preventive Maintenance Condensate Drain Water Coil Maintenance 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 51: Service Parts

    ENVISION COMPACT INSTALLATION MANUAL Service Parts Single Speed Vertical Units Part Description Compressor 208-230/60/1 34P590-01 34P591-01 34P592-01 34P593-01 34P624-01 34P582-01 34P583-01 34P578-01 34P579-01 34P580-01 34P646-01 265/60/1 34P590-02 34P591-02 34P592-02 34P593-02 34P624-02 34P582-02 34P583-02 Not Available 230/60/3 Not Available 34P624-03 34P582-03 34P583-03 34P578-03 34P579-03 34P580-03 34P646-03 460/60/3 Not Available 34P624-04 34P582-04 34P583-04 34P578-04 34P579-04 34P580-04 34P646-04...
  • Page 52 ENVISION COMPACT INSTALLATION MANUAL Service Parts cont. Single Speed Horizontal Units Part Description Compressor 208-230/60/1 34P590-01 34P591-01 34P592-01 34P593-01 34P624-01 34P582-01 34P583-01 34P578-01 34P579-01 34P580-01 34P646-01 265/60/1 34P590-02 34P591-02 34P592-02 34P593-02 34P624-02 34P582-02 34P583-02 Not Available 230/60/3 Not Available 34P624-03 34P582-03 34P583-03 34P578-03 34P579-03 34P580-03 34P646-03 460/60/3 Not Available 34P624-04 34P582-04 34P583-04 34P578-04 34P579-04 34P580-04 34P646-04...
  • Page 53 ENVISION COMPACT INSTALLATION MANUAL Service Parts cont. Dual Capacity Vertical Units Dual Capacity Horizontal Units Part Description Compressor 208-230/60/1 34P640-01 34P641-01 34P642-01 34P643-01 34P644-01 34P640-01 34P641-01 34P642-01 34P643-01 34P644-01 265/60/1 34P640-02 34P641-02 Not Available 34P640-02 34P641-02 Not Available 230/60/3 34P640-03 34P573-03 34P642-03 34P643-03...
  • Page 54 ENVISION COMPACT INSTALLATION MANUAL Notes...

  • Page 55: Revision Guide

    ENVISION COMPACT INSTALLATION MANUAL Revision Guide Pages: Description: Date: Updated Nomenclature to Reflect New Variable Speed ECM Motor 08 Jan 2013 Added IntelliStart Availability for 3-Phase Units 08 Jan 2013 Replaced Wiring Diagram with Reheat Version 08 Jan 2013 31-34 Updated Aurora Controls Description 08 Jan 2013 51-53...
  • Page 56 Manufactured by WaterFurnace International, Inc. 9000 Conservation Way Fort Wayne, IN 46809 www.waterfurnace.com Product: Envision Compact Type: Water Source/Geothermal Heat Pump Size: Commercial 0.75-6 Ton Document: Installation Manual IM1022AN 01/13 ©2013 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...

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