WaterFurnace 700A11 Installation Manual
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WaterFurnace 700A11 Installation Manual

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700A11
Geothermal Heat Pump
• R-410A Refrigerant
• 3, 4, 5 Ton Variable Speed
Installation Information
Water Piping Connections
Hot Water Generator Connections
Electrical
Startup Procedures
Troubleshooting
Preventive Maintenance
IM2700ANA 02/21

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Summary of Contents for WaterFurnace 700A11

  • Page 1 700A11 Geothermal Heat Pump • R-410A Refrigerant • 3, 4, 5 Ton Variable Speed Installation Information Water Piping Connections Hot Water Generator Connections Electrical Startup Procedures Troubleshooting Preventive Maintenance IM2700ANA 02/21...

  • Page 3: Table Of Contents

    7 SERIES 700A11 INSTALLATION MANUAL Table of Contents Model Nomenclature ............. . . 4 General Installation Information .

  • Page 4: Model Nomenclature

    7 SERIES 700A11 INSTALLATION MANUAL Model Nomenclature Model Air Coil Option N – 7 Series Water-to-Air N – All Aluminum PinnaCoil™ Compressor Type V – Variable Speed Controls Option J – Aurora Variable Speed Control Cabinet Configuration K – Aurora VS Control V –...

  • Page 5: General Installation Information

    7 SERIES 700A11 INSTALLATION MANUAL General Installation Information Safety Considerations locate the unit above supply piping. Care should be taken when units are located in unconditioned spaces to prevent WARNING: Before performing service or damage from frozen water lines and excessive heat that maintenance operations on a system, turn off main could damage electrical components.
  • Page 6 7 SERIES 700A11 INSTALLATION MANUAL General Installation Information cont. vibration could loosen a single nut. To allow filter access, Installing Horizontal Units one bracket on the filter side should be installed 180° from Remove and discard the compressor hold down shipping the position shown in Figure 3.
  • Page 7 7 SERIES 700A11 INSTALLATION MANUAL General Installation Information cont. or compound. Check to ensure that the rubber seal is in Duct System the swivel connector prior to attempting any connection. An air outlet collar is provided on vertical top and rear The rubber seals are shipped attached to the waterline.
  • Page 8 7 SERIES 700A11 INSTALLATION MANUAL General Installation Information cont. Material Copper 90/10 Cupronickel 316 Stainless Steel Acidity/Alkalinity 7 - 9 7 - 9 7 - 9 Calcium and (Total Hardness) (Total Hardness) (Total Hardness) Scaling Magnesium Carbonate less than 350 ppm...

  • Page 9: Flow Centers

    7 SERIES 700A11 INSTALLATION MANUAL General Installation Information cont. Figure 5: Horizontal Drain Connection Condensate Drain On vertical units, the internal condensate drain assembly consists of a drain tube which is connected to the Vent (if needed) drain pan, a 3/4-inch PVC female adapter and a flexible PVC coupling connecting hose.

  • Page 10: Closed Loop Ground Source Systems

    7 SERIES 700A11 INSTALLATION MANUAL Closed Loop Ground Source Systems NOTE: For closed loop systems with antifreeze protection, Figure 7: Closed Loop Ground Source Application set SW2-1 to the “LOOP” (15°F) position. (Refer to the DIP Switch Settings table in the Aurora Control section.) Auxiliary Heat ®...
  • Page 11 7 SERIES 700A11 INSTALLATION MANUAL Closed Loop Ground Source Systems cont. Multiple Units on One Flow Center When two units are connected to one loop pumping system, pump control is automatically achieved by connecting the SL terminals on connector P2 in both units with 2-wire thermostat wire.

  • Page 12: Open Loop Ground Water Systems

    7 SERIES 700A11 INSTALLATION MANUAL Open Loop Ground Water Systems Typical open loop piping is shown below. Always maintain Figure 9a: Modulating Water Valve Connection Option water pressure in the heat exchanger by placing water Typical 0-10VDC modulating water valve.

  • Page 13: Hot Water Generator Connections

    7 SERIES 700A11 INSTALLATION MANUAL Hot Water Generator Connections To maximize the benefits of the hot water generator a Figure 11: Typical Hot Water Generator Installation minimum 50-gallon water heater is recommended for Cold 3/4” x 3/4” x 1/2” tee...
  • Page 14 7 SERIES 700A11 INSTALLATION MANUAL Hot Water Generator Connections cont. Plumbing Installation Hot Water Generator Startup 1. Turn the hot water generator switch to the “ON” 1. Inspect the dip tube in the water heater cold inlet position. The hot water generator switch will allow the for a check valve.

  • Page 15: Electrical Connections

    7 SERIES 700A11 INSTALLATION MANUAL Electrical Connections General Accessory Relay Be sure the available power is the same voltage and phase A set of “dry” contacts has been provided to control as that shown on the unit serial plate. Line and low voltage...
  • Page 16 7 SERIES 700A11 INSTALLATION MANUAL Electrical Connections cont. Figure 14: Pump Wiring 208-230/60/1 Pump Power Wiring See Figure 14 for electrical connections from control box Wire Nuts to pumps. FC1/FC2 style flow centers with fixed speed pumps connect to PB1 in the control box. If using a variable speed pump it should be connected to L1 and L2 on the AXB.
  • Page 17 7 SERIES 700A11 INSTALLATION MANUAL Electrical Information Fixed Speed Flow Center The pump(s) will be connected to the terminals on PB1 in the unit electrical box as shown in Figure 3a. The pumps will automatically be cycled as required by the unit or by a signal from another unit sharing the flow center (See Figures 5 and 6).
  • Page 18 7 SERIES 700A11 INSTALLATION MANUAL Electrical Information cont. Variable Speed Flow Center Single Pump Variable Speed Flow Center If a variable speed single pump flow center is used, the flow center will come with two red and one green wires for the high voltage wiring.
  • Page 19 7 SERIES 700A11 INSTALLATION MANUAL Electrical Information cont. Variable Speed Flow Center cont. Two Pump Variable Speed Flow Center If a variable speed two pump flow center is used, the flow center will come with four red and two green wires for the high voltage wiring.
  • Page 20 7 SERIES 700A11 INSTALLATION MANUAL Electrical Information cont. Variable Speed Units cont. Two Pump Variable Speed Flow Center cont. The use of the black wire on the left hand pump is ONLY to be connected for troubleshooting of the pumps. The left hand pump will have a closed end splice connector crimped to the black wire.

  • Page 21: Electronic Thermostat Installation

    7 SERIES 700A11 INSTALLATION MANUAL Electronic Thermostat Installation Position the thermostat subbase against the wall so that Figure 15: Thermostat Wiring (Communicating Style Signals) it is level and the thermostat wires protrude through the middle of the subbase. Mark the position of the...

  • Page 22: Auxiliary Heat Ratings

    7 SERIES 700A11 INSTALLATION MANUAL Auxiliary Heat Ratings Btu/h Model Compatibility Model Stages Min CFM 208V 230V 208V 230V EAL(H)10* 24,600 32,700 1100 • • • EAL(H)15* 10.8 14.4 36,900 49,100 1250 • • • EAL(H)20* 14.4 19.2 49,200 65,500 1500 •...

  • Page 23: Blower Performance Data

    7 SERIES 700A11 INSTALLATION MANUAL Blower Performance Data Variable Speed ECM Blower Motor Air Flow Model Speed Speed Speed Speed Speed Speed Speed Speed Speed Speed Speed Speed 1100 1220 1330 1440 1540 1575 0.50 1000 1100 1200 1300 1410...

  • Page 24: Dimensional Data

    7 SERIES 700A11 INSTALLATION MANUAL Vertical Dimensional Data Top Air Discharge LEFT RETURN RIGHT RETURN 1.9in [4.8cm] 1.9in [4.8cm] I K J D E H F FRONT RIGHT SIDE LEFT SIDE Return Connection Electrical Discharge Connection Overall Cabinet Water Connections...
  • Page 25 7 SERIES 700A11 INSTALLATION MANUAL Vertical Dimensional Data cont. Bottom Air Discharge LEFT RETURN RIGHT RETURN 1.70 (4.3 cm) LEFT SIDE RIGHT SIDE 1.90 (4.7 cm) FRONT LEFT BOTTOM DISCHARGE RIGHT BOTTOM DISCHARGE FLOOR FOOT PRINT FLOOR FOOT PRINT Water Connections...
  • Page 26 7 SERIES 700A11 INSTALLATION MANUAL Vertical Dimensional Data cont. Rear Air Discharge 1.90 in. [4.8 cm] 1.90 in. [4.8 cm] FRONT 2 ft [61 cm] Primary Service Access REAR VIEW SIDE VIEW SIDE VIEW REAR VIEW LEFT RETURN LEFT RETURN...
  • Page 27 7 SERIES 700A11 INSTALLATION MANUAL Horizontal Dimensional Data TOP VIEW 2.1in [5.4cm] MOUNT (2) HANGER BRACKETS AS SHOWN TO ALLOW ACCESS TO FILTER 2 ft [61 cm] Primary Service Access SIDE DISHCARGE VIEW FRONT VIEW END VIEW 1.9in [4.8cm] E F G I K J AS SHOWN LR UNIT (RR UNIT ON OPPOSITE SIDE—SAME DIMENSIONS)

  • Page 28: Physical Data

    7 SERIES 700A11 INSTALLATION MANUAL Physical Data Model Compressor (1 each) Variable Speed Scroll Factory Charge R410a, oz [kg] Vertical 90 [2.55] 120 [3.40] 140 [3.96] (Aluminum tube and fin air coil) Factory Charge R410a, oz [kg] Horizontal 86 [2.44] 108 [3.06]...

  • Page 29: The Aurora™ Advanced Vs Control System

    7 SERIES 700A11 INSTALLATION MANUAL The Aurora™ Advanced VS Control System protocol to communicate between modules. Each module Aurora Advanced VS Control contains the logic to control all features that are connected Aurora Advanced VS to the module. The ABC has two Modbus channels. The...
  • Page 30 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont. Add On Control Feature Kits Description Aurora Advanced VS (field or factory Installed) Monitors real time power consumption of compressor, blower, aux heat and pump. Geo Energy Monitoring Kit Standard Requires thermostat TPCM32U04A or TPCC32U01.
  • Page 31 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont. loop temperature in cooling mode, loop temperatures may Modulating Water Valve be too low to allow proper heating of water. The control will This output is provided to drive a modulating water valve.
  • Page 32 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont. • Sump Alarm Fault [no lockout info only] - Switch Special Modes and Applications output from sump sensor Communicating Digital Thermostats • Smoke/CO Alarm Fault [no lockout info only] -...
  • Page 33 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont. Variable Speed ECM Configuration Mode Alarm Jumper Clip Selection The control is placed in the variable speed ECM From the factory, ALM is connected to 24 VAC via JW2. By configuration mode by holding the push-button switch SW1 cutting JW2, ALM becomes a dry contact connected to ALG.
  • Page 34 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont. Lockout – when locked out, the blower will operate point for the entire length of the appropriate delay to be continuously in “G” blower speed setting. The Alarm output recognized as a fault.
  • Page 35 REQUIRES WaterFurnace Regardless of blower input (G) from the thermostat, the dealer login credentials SCC is for WaterFurnace dealer blower will remain on low speed for 30 seconds at the end technicians ONLY and includes: of each heating, cooling, and emergency heat cycle.
  • Page 36 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont. The Aurora Unitary Protocol Converter (UPC) Aurora Control The Aurora UPC is implemented with is an integrated solution and communicates w/UPC BACnet the Aurora Base Controller (ABC) heat...
  • Page 37 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont.
  • Page 38 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont. ABC Control Board Layout AXB Control Board Layout See Figure 1 for DHW wiring. LED 1 LED 2 FP1 – 15 F/30 ECM PWM FP2 – 15 F/30 RV –...

  • Page 39: Operation Logic

    7 SERIES 700A11 INSTALLATION MANUAL Operation Logic Heating Mode Variable Speed Loop Pump When the variable speed controls determine that heating The variable speed controls will operate the variable speed is needed in the space the blower will be turned on, the loop pump similar to the way the ECM blower motor operates.

  • Page 40: Wiring Schematics

    7 SERIES 700A11 INSTALLATION MANUAL Wiring Schematics Aurora Variable Speed Orange(9) Ext Pump Ext Pump Pump Pump Pump 1/2 hp Total 1/2 hp Total 208-230/60/1 G G G Brown(10) Violet(8) Violet(7) VARIABLE VARIABLE Circuit Breaker SPEED PU MP SPEED PU MP...
  • Page 41 7 SERIES 700A11 INSTALLATION MANUAL Wiring Schematics cont. Aurora Variable Speed cont. With optional EA Series 20kW Auxiliary Electric Heat Shown 60 AMP 60 AMP Legend Legend BRK2 BRK1 Factory Low voltage wiring Factory Low voltage wiring Light emitting diode - Green...
  • Page 42 7 SERIES 700A11 INSTALLATION MANUAL Wiring Schematics cont. Aurora Variable Speed Drive/EEV Wiring Suction Pressure Discharge Pressure Enteri n g (Red Pl u g) (Green Plug) Compressor Water Temp Discharge Unit Power Ambient Li n e Temp 208-230/60/1 Blue White...
  • Page 43 7 SERIES 700A11 INSTALLATION MANUAL Wiring Schematics cont. Aurora Variable Speed Drive/EEV Wiring cont. Suction Discharge Bipolar Stepper Motor Li n e Temp Air Temp Legend Legend Yellow Orange Factory Low vol t age wi r ing Factory Low vol t age wi r ing...
  • Page 44 7 SERIES 700A11 INSTALLATION MANUAL Wiring Schematics cont. Aurora Variable Speed with UPC Orange(9) Ext Pump Ext Pump Pump Pump Pump 1/2 hp Total 1/2 hp Total 208-230/60/1 G G G Brown(10) Violet(8) Violet(7) VARIABLE VARIABLE Circuit Breaker SPEED PU MP...
  • Page 45 7 SERIES 700A11 INSTALLATION MANUAL Wiring Schematics cont. Aurora Variable Speed with UPC cont. With optional EA Series 20kW Auxiliary Electric Heat Shown With optional EA Series 20kW Auxiliary Electric Heat Shown 60 AMP 60 AMP 60 AMP 60 AMP...
  • Page 46 7 SERIES 700A11 INSTALLATION MANUAL Wiring Schematics cont. Aurora UPC To ABC - P8 1 2 3 4 5 6 7 8 Orange Blue Green White Brown Black Yellow BACnet or N2 Network Connections Devices Must Be Wired in Daisy Chain Configuration...

  • Page 47: Unit Startup

    7 SERIES 700A11 INSTALLATION MANUAL Unit Startup 2. Aurora Setup Screen Before Powering Unit, Check the Following: a. ECM Setup for Heating Airflow – select G, low, NOTE: Remove and discard the compressor hold down high and aux blower speeds as appropriate for the shipping bolt located at the front of the compressor unit and electric heat.
  • Page 48 7 SERIES 700A11 INSTALLATION MANUAL Unit Startup cont. iii. Activate energy option e. Energy monitoring can be read on any of the iv. Select blower energy – PSC or following components: ECM/5-Speed ECM i. AID Tool – instantaneous information only v.
  • Page 49 7 SERIES 700A11 INSTALLATION MANUAL Unit Startup cont. iii. Then set the VS Pump Max % to achieve 15. Adjust the heating setpoint below room temperature at least 3.0 gpm per ton for full load and verify that the compressor and water valve or loop operation.

  • Page 50: Pressure Drop

    7 SERIES 700A11 INSTALLATION MANUAL Pressure Drop Thermistor Resistance Thermistor Resistance (1k Ohm) Thermistor Resistance (10k Ohm) Pressure Drop (psi) for compressor discharge line, Model for FP1, FP2, HWL, LWT and LLT suction line, LAT, compressor 30°F 50°F 70°F 90°F 110°F...

  • Page 51: Correction Factor Tables

    7 SERIES 700A11 INSTALLATION MANUAL Correction Factor Tables Air Flow Corrections (Compressor Speeds 1-3) Airflow Cooling Heating CFM Per Ton % of Nominal Total Cap Sens Cap Power Heat of Rej Htg Cap Power Heat of Ext of Clg 0.940 0.740...

  • Page 52: Compressor Resistance

    7 SERIES 700A11 INSTALLATION MANUAL Compressor Resistance Winding Resistance Compressor Model Model 208-230/60/1 VRJ028UKNP6 0.255 VRJ035UKNP6 0.210 VRJ044UKNP6 0.210 4/23/12 VRJ scroll compressors are equipped with an IPM (permanent magnet motor). Winding resistance is the resistance between indicated terminal pins at 77˚F (Resistance value + 7%). Winding resistance is generally low and it requires adapted tools for precise measurement.

  • Page 53: Operating Parameters

    7 SERIES 700A11 INSTALLATION MANUAL Operating Parameters Model 060 - Comp Speed 9 (1800 cfm) Cooling -- No Hot Water Generation Entering Water Water Flow Suction Pressure Discharge Water Temp Air Temp Drop Temp °F Superheat Subcooling psig Pressure psig Rise °F...

  • Page 54: Reference Calculations And Legend

    7 SERIES 700A11 INSTALLATION MANUAL Reference Calculations Legend Abbreviations and Definitions Heating Calculations: Cooling Calculations: = airflow, cubic feet/minute LWT = EWT + LWT = EWT - gpm x 500 EWT = entering water temperature, Fahrenheit gpm x 500 gpm = water flow in gallons/minute...
  • Page 55 7 SERIES 700A11 INSTALLATION MANUAL Troubleshooting cont. Sensor Locations Leaving Water Thermistor Water Blower Entering Water Thermistor Coax (Sensor Wire Flow Wrapped 4 Sensor Times Around Water Line) Coil Water Flow Meter Entering Water Thermistor Leaving Air Thermistor Wire Bundle In...
  • Page 56 7 SERIES 700A11 INSTALLATION MANUAL Startup/ roubleshooting Form Controls Info: ABC Version: Dealer: AXB Version: Phone #: Date: IZ2 Version: Problem: T-Stat Version: Model #: Installed Sensors: Serial #: COOLING CYCLE ANALYSIS SAT °F °F °F °F High Speed Unit Amp Draw:...
  • Page 57 7 SERIES 700A11 INSTALLATION MANUAL Troubleshooting cont.

  • Page 58: Preventive Maintenance And Replacement Procedures

    7 SERIES 700A11 INSTALLATION MANUAL Preventive Maintenance Water Coil Maintenance Other Maintenance Filters Keep all air out of the water. An open loop system should be checked to ensure that the well head is not Air filters and variable speed drive filter must be clean to allowing air to infiltrate the water line.

  • Page 59: Service Parts List

    7 SERIES 700A11 INSTALLATION MANUAL Service Parts List Parts List - Vertical Parts List - Horizontal Compressor 208-230/60/1 34P647-01 34P648-01 34P649-01 Compressor 208-230/60/1 34P647-01 34P648-01 34P649-01 Sound Jacket 92P504A05 92P504A05 92P504A05 Sound Jacket 92P504A05 92P504A05 92P504A05 Power Harness 11P853-01 11P853-01...
  • Page 60 7 SERIES 700A11 INSTALLATION MANUAL Revision Guide Pages: Description: Date: Misc. Updated Aluminum Air Coil 04 Dec 2020 Misc. Updated Schematics, General Installation Information, Unit Startup (UPMXL) 12 Sept 2019 Misc Updated Schematics, Service Parts, Control Sections (Added UPC Control Option)
  • Page 62 Installation Manual *IM2700ANA* ISO 17025 Accredited ©2021 WaterFurnace International, Inc., 9000 Conservation Way, Fort Wayne, IN 46809-9794. WaterFurnace has a policy of IM2700ANA 01/21 continual product research and development and reserves the right to change design and specifi cations without notice.

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