Related Manuals for WaterFurnace ENVISION
Summary of Contents for WaterFurnace ENVISION
- Page 1 NDW 8 to 15 Tons Hydronic Heat Pump Installation Information Water Piping Connections Electrical Data Microprocessor Control Startup Procedures Preventive Maintenance IM1007WNA 01/21...
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Page 3: Table Of Contents
NDW INSTALLATION MANUAL Table of Contents Model Nomenclature............4 General Installation Information . -
Page 4: Model Nomenclature
3 – IntelliStart Option available for single phase voltage options only. 4 – HydroLink2 control option available to Commercial Reps only. All Envision Series product is safety listed under UL1995 thru ETL and performance listed with AHRI in accordance with standard 13256-2. The Envision Series is also Energy Star rated. -
Page 5: General Installation Information
NDW INSTALLATION MANUAL General Installation Information Safety Considerations Unit Location Installing and servicing air conditioning and heating Provide sufficient room to make water and electrical equipment can be hazardous due to system pressure and connections. If the unit is located in a confined space, electrical components. -
Page 6: Dimensional Data
NDW INSTALLATION MANUAL Dimensional Data 100-180 - Top Waterline Configuration 25.58 OPTIONAL TOP WATER FRONT CONNECTIONS LOAD PRIMARY 33.60 SERVICE ACCESS CONTROL BOX 5.82 WATERLINES BACK LOCATION 5.28 BACK CONTROL BOX 2.26 2.26 21.07 SOURCE 2' ALTERNATE SERVICE ACCESS 24.01 LOW VOLTAGE 14.05 OPTIONAL LOW... -
Page 7: Physical Data
NDW INSTALLATION MANUAL Physical Data Model Model Compressor (2 each) Scroll Factory Charge R410A, oz [kg] 62 [1.76] 62 [1.76] 62 [1.76] 62 [1.76] Load Water Connection FPT - in Source Water Connection FPT - in Weight - Operating, lb [kg] 390 [177] 400 [181] 400 [181]... -
Page 8: Field Connected Water Piping
NDW INSTALLATION MANUAL Field Connected Water Piping Water Flow Rate General The proper water flow must be delivered to each unit Each unit is equipped with captive 2 in. [50.8 mm] FPT water whenever the unit heats or cools. To assure proper flow, connections to eliminate ‘egg-shaping’... - Page 9 NDW INSTALLATION MANUAL Field Connected Water Piping cont. Closed Loop Tower/Boiler Systems The water loop is usually maintained between 60°F [15.5°C] and 90°F [32.2°C] for proper heating and cooling operation. This is accomplished with a cooling tower and a boiler. To reject excess heat from the condenser water loop, the use of a closed-circuit evaporative cooler or an open type cooling tower with a secondary heat exchanger between...
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Page 10: Typical Application Piping
HYDRONIC LOAD Separator Back Flow Preventer / Expansion Pressure Pressure Relief Valve Tank Reduction Dielectric Unions STORAGE TANK WaterFurnace NDW Series Unit Hose Kit 1-1/2˝ Source OUT Dielectric Unions P/T Ports P/T Ports 3-Way Valves Source IN Ball Valve Hose Kit... -
Page 11: Water Quality
NDW INSTALLATION MANUAL Water Quality The following table outlines the water quality guidelines for unit General heat exchangers. If these conditions are exceeded, a secondary Hydronic systems may be successfully applied in a wide range heat exchanger is required. Failure to supply a secondary heat of residential, commercial, and industrial applications. -
Page 12: Electrical Data
NDW INSTALLATION MANUAL Electrical Data Compressor* Load Source Total Supply Rated Voltage Model Pump Pump Unit Circ Fuse/ Circuit Voltage Min/Max LRA** HACR L1/L2 208-230/60/1 187/253 41.2 26.4 134.0 47.0 26.4 33.0 L3/L4 208-230/60/1 187/253 41.2 26.4 134.0 47.0 34.8 41.4 Single 208-230/60/3... -
Page 13: Wiring Schematics
NDW INSTALLATION MANUAL Wiring Schematics... - Page 14 NDW INSTALLATION MANUAL Wiring Schematics Tra nsformer Tra nsformer Tra nsformer Tra nsformer K1-RV Relay K1-RV Relay K3-CC2 Rel ay K3-CC2 Rel ay K2-CC Rel ay K2-CC Rel ay K4-Fan Relay K4-Fan Relay...
- Page 15 NDW INSTALLATION MANUAL Wiring Schematics cont. Status Status Modbus Add. Modbus Add. Future Use Future Use Future Use Future Use Acc 2 – Dip 1 Acc 2 – Dip 1 Acc 2 – Dip 2 Acc 2 – Dip 2 Status Status Modbus Add.
- Page 16 NDW INSTALLATION MANUAL Wiring Schematics cont. Tra nsformer Tra nsformer Tra nsformer Tra nsformer K1-RV Relay K1-RV Relay K3-CC2 Rel ay K3-CC2 Rel ay K2-CC Rel ay K2-CC Rel ay K4-Fan Relay K4-Fan Relay...
- Page 17 NDW INSTALLATION MANUAL Wiring Schematics cont. Status Status Modbus Add. Modbus Add. Future Use Future Use Future Use Future Use Acc 2 – Dip 1 Acc 2 – Dip 1 Acc 2 – Dip 2 Acc 2 – Dip 2 Status Status Modbus Add.
- Page 18 NDW INSTALLATION MANUAL Wiring Schematics cont. Tra nsformer Tra nsformer Tra nsformer Tra nsformer K1-RV Relay K1-RV Relay K3-CC2 Rel ay K3-CC2 Rel ay K2-CC Rel ay K2-CC Rel ay K4-Fan Relay K4-Fan Relay...
- Page 19 NDW INSTALLATION MANUAL Wiring Schematics cont. Status Status Modbus Add. Modbus Add. Future Use Future Use Future Use Future Use Acc 2 – Dip 1 Acc 2 – Dip 1 Acc 2 – Dip 2 Acc 2 – Dip 2 Status Status Modbus Add.
- Page 20 NDW INSTALLATION MANUAL Wiring Schematics cont. Tra nsformer Tra nsformer Tra nsformer Tra nsformer K1-RV Relay K1-RV Relay K3-CC2 Rel ay K3-CC2 Rel ay K2-CC Rel ay K2-CC Rel ay K4-Fan Relay K4-Fan Relay...
- Page 21 NDW INSTALLATION MANUAL Wiring Schematics cont. Status Status Modbus Add. Modbus Add. Future Use Future Use Future Use Future Use Acc 2 – Dip 1 Acc 2 – Dip 1 Acc 2 – Dip 2 Acc 2 – Dip 2 NET+ NET- NET+...
- Page 22 NDW INSTALLATION MANUAL Wiring Schematics cont. Tra nsformer Tra nsformer Tra nsformer Tra nsformer K1-RV Relay K1-RV Relay K3-CC2 Rel ay K3-CC2 Rel ay K2-CC Rel ay K2-CC Rel ay K4-Fan Relay K4-Fan Relay...
- Page 23 NDW INSTALLATION MANUAL Wiring Schematics cont. Status Status Modbus Add. Modbus Add. Future Use Future Use Future Use Future Use Acc 2 – Dip 1 Acc 2 – Dip 1 Acc 2 – Dip 2 Acc 2 – Dip 2 NET+ NET- NET+...
- Page 24 NDW INSTALLATION MANUAL Wiring Schematics cont. Tra nsformer Tra nsformer Tra nsformer Tra nsformer K1-RV Relay K1-RV Relay K3-CC2 Rel ay K3-CC2 Rel ay K2-CC Rel ay K2-CC Rel ay K4-Fan Relay K4-Fan Relay...
- Page 25 NDW INSTALLATION MANUAL Wiring Schematics cont. Status Status Modbus Add. Modbus Add. Future Use Future Use Future Use Future Use Acc 2 – Dip 1 Acc 2 – Dip 1 Acc 2 – Dip 2 Acc 2 – Dip 2 NET+ NET- NET+...
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Page 26: The Aurora Base Control System
NDW INSTALLATION MANUAL The Aurora Base Control System Aurora ‘Base’ Control Aurora ‘Advanced’ Control The Aurora ‘Advanced’ The Aurora ‘Base’ Control Control expands on the (ABC) System is a complete capability of the Aurora residential and commercial ‘Base’ Control (ABC) System comfort system that brings by adding the Aurora all aspects of the HVAC... - Page 27 NDW INSTALLATION MANUAL The Aurora Base Control System cont. Service Device Description Aurora ‘Base’ Aurora 'Advanced' Allows setup, monitoring and troubleshooting of any Aurora Control. NOTE: Although the ABC has basic compatibility with all Au- For Service For Service rora, new product features may not be available on older AID (Ver.
- Page 28 NDW INSTALLATION MANUAL The Aurora Base Control System cont. DIP Switch (SW2) Aurora ‘Base’ Control SW2-1 (Source) FP1 Selection – Low water coil temperature limit setting for freeze detection. On = 30°F; Off = 15°F. SW2-2 (Load) FP2 Selection – On = 30°F; Off = 15°F SW2-3 RV –...
- Page 29 NDW INSTALLATION MANUAL The Aurora Base Control System cont. Fault Retry – in the fault condition, the control will stage off Over/Under Voltage Shutdown - An over/under voltage the outputs and then “try again” to satisfy the thermostat Y condition exists when the control voltage is outside the input call.
- Page 30 NDW INSTALLATION MANUAL The Aurora Base Control System cont. ABC Control Board Layout Aurora ‘Base’ Control LED Displays These three LEDs display the status, configuration, and fault codes for the control. These can also be read in plain LED1 LED2 FP1 –...
- Page 31 NDW INSTALLATION MANUAL The Aurora Base Control System cont. AXB DIP Switch Aurora ‘Advanced’ Control Features DIP 1 - ID: This is the AXB ModBus ID and should always The Aurora ‘Advanced’ read On. Control system expands on DIP 2 & 3 - Future Use the capability of the Aurora DIP 4 &...
- Page 32 NDW INSTALLATION MANUAL The Aurora Base Control System cont. Smart Grid-On Peak (SG) Input Monitoring Sensor Kits The 'On Peak' input was designed to allow utilities to Energy Monitoring utilize simple radio controlled switches to control the On (Standard Sensor Kit) Electric Peak behavior of the 5 and 7 Series Geothermal The Energy Monitoring Kit includes four current Heat Pumps.
- Page 33 NDW INSTALLATION MANUAL The Aurora Base Control System cont. Aurora ‘Advanced’ Control LED Displays These three LEDs display the status, configuration, and fault codes for the control. These can also be read in plain English via the Aurora AID Tool. Status LED (LED3, Green) Description of Operation Fault LED, Green...
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Page 34: Hydrozone Controller Instructions
NDW INSTALLATION MANUAL HydroZone Controller Instructions Installation Instructions The WaterFurnace HydroZone controller is a part of the hydronic heat pump system. The WaterFurnace part number for this product is HZC. This controller is a human interface and water tank control device. - Page 35 NDW INSTALLATION MANUAL HydroZone Controller Instructions cont. Backlight on Time This controller has a two color backlight feature. Anytime a button is pressed, the blue backlight stays on for a certain amount of time. A red backlight is visible if you are selecting Emergency Heat mode. You can adjust the amount of time the backlight stays on in the menu options.
- Page 36 NDW INSTALLATION MANUAL HydroZone Controller Instructions cont. Main Screen After exiting from the setup mode, controller displays the main screen. OPERATION, displays the current controller setup selection. They are OUTDOOR, TANK CONTROL AUTO, and TANK CONTROL MANUAL MODE. If the operation mode is outdoor reset or tank control auto, the MODE should display OFF, ON, or EHEAT. If the operation mode is tank control manual, the MODE should display OFF, HEAT, COOL, or EMHT.
- Page 37 NDW INSTALLATION MANUAL HydroZone Controller Instructions cont. Wiring Schematic NDW Unit 1 Compr essor 2 Compr essor 2 O-C2 O-C2 Relay C2 Relay C2 Relay C2 Relay C2 Green (C4 ) Y-C2 Y-C2 Gray (C3) Compressor 1 Compressor 1 Blue (C2) R-C2 R-C2 Yellow (C1)
- Page 38 NDW INSTALLATION MANUAL HydroZone Controller Instructions cont. All these temperature settings are with increments of 1°F. The dead band is 2°F to 15°F with increments of 1°F. Tank Temperature Set point is calculated internally by the outdoor reset algorithm, and updated every 30 minutes if this setup is selected.
- Page 39 NDW INSTALLATION MANUAL HydroZone Controller Instructions cont. If no heating is selected, the screen shall go to the COOLING screen. If cooling fixed is selected, the default temperature for tank setpoint is 80°F with a 10°F deadband. The set range is 40°F to 85°F, with increments of 1°F.
- Page 40 NDW INSTALLATION MANUAL HydroZone Controller Instructions cont. If AUX is selected in stage 4, ENTER would take the user to “ADDITIONAL DEAD BAND FOR AUX HEAT” screen and then to “MAXIMUM OAT FOR AUX HEAT” screen. The “ADDITIONAL DEAD BAND FOR AUX HEAT” would enable the installer to select how much extra dead band should be added on top of the heat dead band before auxiliary heat would come on.
- Page 41 NDW INSTALLATION MANUAL HydroZone Controller Instructions cont. Service Contact Information Input dealer info. INPUT DEALER INFO DEALER INFO BRAND NAME BRAND NAME: MODEL NUMBER TO SCORLL THRU CHARACTERS SERIAL NUMBER WATER FURNACE CONTRACTOR NAME ------------- CONTRACTOR PHONE SAVE SELECT OPTION CHANGE LETTER PREVIOUS ENTER...
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Page 42: Reference Calculations
NDW INSTALLATION MANUAL Reference Calculations Heating Calculations: Cooling Calculations: LWT = EWT - LWT = EWT + GPM x 500* GPM x 500* NOTE: * When using water. Use 485 for 15% methanol/water or Environol solution. Legend Abbreviations and Definitions = entering load fluid temperature to heat pump = pressure drop in pounds per square inch = leaving load fluid temperature from heat pump... -
Page 43: Unit Startup
NDW INSTALLATION MANUAL Unit Startup Verify the following: Configuring the Sensor Kits • High voltage is correct and matches nameplate The Aurora Advanced Control allows Refrigeration, Energy, • Fuses, breakers and wire size are correct and Performance Monitoring sensor kits. The following •... - Page 44 NDW INSTALLATION MANUAL Unit Startup cont. Refrigerant Monitoring Startup Steps (standard sensor kit) • Set thermostat control above cooling setpoint. The Refrigerant Monitoring Kit for compressors A and B • Set thermostat control in cooling mode. includes two pressure transducers, and three temperature •...
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Page 45: Operating Parameters
NDW INSTALLATION MANUAL Operating Parameters Heating Mode Entering Entering Suction Discharge Superheat Subcooling Load Temp (°F) Source Temp (°F) Pressure (psig) Pressure (psig) (°F) (°F) 75-100 200-215 10-12 10-13 100-125 200-215 12-14 8-12 125-150 215-230 14-18 8-12 150-165 230-255 25-30 8-12 75-100 285-300... -
Page 46: Thermistor And Compressor Resistance
NDW INSTALLATION MANUAL Thermistor and Compressor Resistance Thermistor Temperature 208-230/60/1 Resistance in Ohms Model 208-230/60/3 460/60/3 575/60/3 °F °C Start 0.32 0.821 0.610 2.330 4.060 0.28 0.819 0.610 2.330 4.060 0.291 0.841 0.422 2.200 3.289 0.312 0.874 0.419 1.614 2.507 NOTE: Resistance values may vary ±7%. -
Page 47: Heating Cycle Analysis
NDW INSTALLATION MANUAL Heating Cycle Analysis ______PSI = ______SAT°F ______°F Braze Plate Suction Compressor Discharge ______°F Liquid Line ______PSI = ______SAT°F Braze Plate ______°F Unit Amp Draw ____________ Entering Source Water ________°F Line Voltage _________ Entering Water Pressure Drop _____ PSI Loop:______ Open ______ Closed Leaving Source Water ________°F Subcooling _______... -
Page 48: Startup And Troubleshooting Form
NDW 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 Start up/Check-out for new installation Troubleshooting Problem:___________________________________... -
Page 49: Troubleshooting
NDW INSTALLATION MANUAL Troubleshooting Should a major problem develop, refer to the following information for possible causes and corrective steps. If compressor won’t run: The fuse may be open or the circuit breaker is tripped. Check electrical circuits and motor windings for shorts or grounds. -
Page 50: Preventive Maintenance
NDW INSTALLATION MANUAL Preventive Maintenance Unit Heat Exchanger Maintenance Keep all air out of the water or antifreeze solution. Keep the system under pressure at all times. Closed loop systems must have positive static pressure or air vents may draw air into the system. NOTES: If the installation is in an area with a known high mineral content in the water, it is best to establish with the owner a periodic maintenance schedule for checking the water-to-refrigerant heat exchanger on a regular basis. -
Page 51: Service Parts List
NDW INSTALLATION MANUAL Service Parts List NDW100 NDW120 Part Description 208- 208- 208- 208- 460/60/3 575/60/3 460/60/3 575/60/3 230/60/1 230/60/3 230/60/3 230/60/3 Compressor 34P580-01 34P580-03 34P580-04 34P580-05 34P616-01 34P616-03 34P616-04 34P616-05 Compressor Sound Jacket 92P504A05 92P519-02 Thermal Expansion Valve 33P608-18 33P605-12 Filter Dryer 36P500B02... -
Page 53: Revision Guide
NDW INSTALLATION MANUAL Revision Guide Pages: Description: Date: Misc Removed FX10, Updated for "A" revision 29 Nov 2020 Updated Nomenclature to Reflect 3-Phase IntelliStart Availability 18 Mar 2013 Updated Electrical Data to Reflect 3-Phase IntelliStart Availability 18 Mar 2013 18-24 Updated Controls Section 18 Mar 2013 Updated Heat of Extraction/Rejection Data... - Page 54 8-15 Tons Document: Installation Manual IM1007WNA 01/21 ©2021 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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