Water Furnace Geo-Ready 5 Series Installation Manual
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Water Furnace Geo-Ready 5 Series Installation Manual

Split geothermal heat pump
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Geo-Ready™ Split
Geothermal Heat Pump
• R-410A Refrigerant
• 3, 4, 5 Ton Dual Capacity
Installation Information
Installation Information
Water Piping Connections
Water Piping Connections
Hot Water Generator Connections
Hot Water Generator Connections
Electrical
Electrical
Startup Procedures
Startup Procedures
Troubleshooting
Troubleshooting
Preventive Maintenance
Preventive Maintenance
IM2510EW 02/23

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Summary of Contents for Water Furnace Geo-Ready 5 Series

  • Page 1 Geo-Ready™ Split Geothermal Heat Pump • R-410A Refrigerant • 3, 4, 5 Ton Dual Capacity Installation Information Installation Information Water Piping Connections Water Piping Connections Hot Water Generator Connections Hot Water Generator Connections Electrical Electrical Startup Procedures Startup Procedures Troubleshooting Troubleshooting Preventive Maintenance Preventive Maintenance...

  • Page 3: Table Of Contents

    5 SERIES GEO-READY INSTALLATION MANUAL Table of Contents Model Nomenclature ............4 General Installation Information .

  • Page 4: Model Nomenclature

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Model Nomenclature Indoor ® IntelliStart & Air Coil Option Model Type N – No IntelliStart, All Aluminum NG – Geo-Ready Dual Capacity PinnaCoil 5 Series Water-to-Air A – IntelliStart, All Aluminum PinnaCoil Cabinet Configuration B –...
  • Page 5 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Model Nomenclature Cont. Outdoor NDGR Model Type Future Option NDGR – 5 Series Dual Capacity S – Standard Geo-Ready Split Future Option Unit Capacity (MBTUH) S – Standard 038, 049, 064, Future Option Vintage S –...

  • Page 6: General Installation Information

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL General Installation Information Refrigerant Decomposition NOTE: The Geo-Ready™ shall be shipped as an Air Source Heat Pump for installation. If it is intended to be installed When refrigerants are exposed to high temperatures from as a Geothermal Heat Pump, please proceed to the "Air open flames or heater elements, decomposition occurs.
  • Page 7 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL General Installation Information Moving and Storage Filter Rack Conversion Move the indoor units in the normal “up” orientation. A 2 in. MERV 11 filter is shipped with the heat pump. To Horizontal units may be moved and stored per the field convert the filter rack to use 1 in.
  • Page 8 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL General Installation Information cont. Lay out the threaded rods per the dimensions in Figure Installing Horizontal Units 3. Assemble the hangers to the unit as shown. Securely Remove and discard the compressor hold down shipping tighten the brackets to the unit using the weld nuts located bolt located at the front of the compressor mounting on the underside of the bottom panel.
  • Page 9 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL General Installation Information cont. Outdoor Unit Location Wall Mounting Allow sufficient space for airflow clearance, wiring, Care must be taken to mount the outdoor unit on a solid refrigerant piping, and servicing unit. Locate unit so that base that is level, secure from settlement, and is isolated condenser airflow is unrestricted on both sides.
  • Page 10 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL General Installation Information cont. Duct System maintaining the brass connector in the desired direction. Tighten the connectors by hand, then gently snug the An air outlet collar is provided on vertical top and rear fitting with pliers to provide a leak-proof joint.
  • Page 11 5 SERIES GEO-READY SPLIT 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 less than 350 ppm less than 350 ppm Less than 0.5 ppm (rotten egg...

  • Page 12: Closed Loop Ground Source Systems

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Closed Loop Ground Source Systems NOTE: For closed loop systems with antifreeze protection, Multiple Units on One Flow Center set SW2-1 to the “LOOP” (15°F) position. (Refer to the DIP NOTE: This feature is only available in the Aurora Advanced Switch Settings table in the Aurora Control section.) Control package (AXB board), NOT the Aurora Base Control (ABC).

  • Page 13: Open Loop Ground Water Systems

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Open Loop Ground Water Systems Variable Speed Pump Setup Figure 9b: Open Loop Solenoid Valve Connection Option Typical slow operating external 24V water solenoid valve When using a variable speed pump flow center (FCV1B- (type V100FPT) wiring.

  • Page 14: Hot Water Generator Connections

    5 SERIES GEO-READY SPLIT 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 W ater In Water Out higher demand applications, use an 80-gallon water...
  • Page 15 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Hot Water Generator Connections cont. Plumbing Installation Hot Water Generator Startup 1. Inspect the dip tube in the water heater cold inlet 1. Turn the hot water generator switch to the “ON” position. The hot water generator switch will allow the for a check valve.

  • Page 16: Refrigeration

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Refrigeration The indoor unit comes with a holding Geo charge. When NOTE: Location of Service Valves on the Outdoor Unit for installed as an air source heat pump the charge must be Air Source application. adjusted in the field based on performance.

  • Page 17: Evacuation And Charging Using Aid Tool

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Evacuation and Charging using AID Tool Precaution • Braze the liquid line to the liquid valve on the outdoor unit while supplying nitrogen. Ensure that the Solenoid Valves on both the Indoor and • Remove the cap and Schrader core from both the Outdoor units are open before Evacuating or Charging liquid and vapor service valves at the indoor unit.
  • Page 18 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Evacuation and Charging using AID Tool cont. Selecting “End ERC” will remove 24VAC from the DIV Unit Powered terminal and the solenoid valves shall close. Ensure that the system power is ON and the AID Tool is Selecting “Exit This Screen”...
  • Page 19 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Evacuation and Charging using AID Tool cont. Charge Amount in Air Source Mode Determining Subcooling Measure the temperature of the liquid line on the The system factory charge in the indoor unit includes small refrigerant line (liquid line) just outside the enough refrigerant to operate in Geo Mode, but not enough split cabinet.
  • Page 20 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Evacuation and Charging using AID Tool cont. Long Lineset Line Set Sizing and Oil Return Concerns The piping design of the heat pump system will impact In residential applications, proper suction line sizing is the performance, reliability, and operational cost of the critical to achieve adequate oil return and maintain expected system the homeowner will experience.
  • Page 21 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Evacuation and Charging using AID Tool cont. Long Line Sets will require the following: • Maximum actual length and lift per Table 4 or 5 • A crankcase heater should be installed on the compressor if in an unconditioned space. See Table 4.
  • Page 22 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Evacuation and Charging using AID Tool cont. Table 4. Crankcase Heater Model Part Number 19P535-09 19P535-07 19P535-08 *Single and Dual Capacity Units Only Table 5. Dual Capacity Compressor Equipment Maximum Line Set Length Feet of Long Lineset: Compressor Section Below Air Handler Liquid Line Suction Line Maximum Line Set Length** [ft]: Condensing Unit Below Air Handler Vertical Separation [ft]...
  • Page 23 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Evacuation and Charging using AID Tool cont. Table 6: Fitting Losses in Equivalent Feet Tube Size O.D. (in.) 90° Std 90° Long- Rad 45° Std 1-1/8 Example: 3/4” 105’ line set with four 90° long radius elbows. Total line set = 105’...

  • Page 24: Electrical Connections

    5 SERIES GEO-READY SPLIT 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 accessory devices, such as water solenoid valves on open wiring must be done in accordance with local codes or the loop installations, electronic air cleaners, humidifiers, etc.
  • Page 25 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Electrical Connections cont. Pump Power Wiring Figure 16: Pump Wiring 208-230/60/1 See Figure 16 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 Optional External Variable Speed Loop pump it should be connected to L1 and L2 on the AXB.

  • Page 26: Electronic Thermostat Installation

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Electronic Thermostat Installation Position the thermostat subbase against the wall so that Figure 17: Thermostat Wiring (Communicating Style Signals) it is level and the thermostat wires protrude through the middle of the subbase. Mark the position of the C 24VAC (Common) C 24VAC (Common) subbase mounting holes and drill holes with a 3/16-inch...

  • Page 27: Auxiliary Heat Ratings & Auxilliary Heat Electrical Data

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Auxiliary Heat Ratings BTU/HR 5 Series Compatibility Model Stages Min CFM Minimum Unit Size 208V 230V 208V 230V 049 - 064 ● ● EAL(H)10 24,600 32,700 1100 ● ● EAL(H)15 10.8 14.4 36,900 49,100 1250 ●...

  • Page 28: Electrical Data & Blower Performance Data

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Electrical Data Dual Capacity with ECM2.3 motor Rated Compressor Blower Total Voltage Pump Loop Motor Unit Circ Fuse/ Min/Max Model Voltage LRA** HACR 208-230/60/1 187/253 24.1 15.4 92.0 33.0 25.2 29.1 208-230/60/1 187/253 31.1 19.9 126.5 45.0...
  • Page 29 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Blower Performance Data cont. Setting Blower Speed - Variable Speed ECM Speed Setup - These screens allow the technician to select the “G”, low, high, and auxiliary heat blower speed for the ECM blower motor. Change the highlighted item using The ABC board’s Yellow Config LED will flash the current the ▲...

  • Page 30: Dimensional Data

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Vertical Dimensional Data Top Air Discharge 2 FT. (61CM) SERVICE CLEARANCE LEFT RETURN RIGHT RETURN 1.9 (4.8) (3.6) 1.50 RIGHT LEFT FRONT FRONT Electrical Connections Discharge Connection Return Connection Refrigerant Overal Cabinet Water Connections Connections using std deluxe filter duct flanges installed ±...
  • Page 31 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Vertical Dimensional Data cont. Bottom Air Discharge LEFT RETURN RIGHT RETURN SERVICE ACCESS 2 FT (61CM) 1.7 (4.3) 1.4 (3.6) BOTTOM RIGHT BOTTOM LEFT 1.90 RIGHT BOTTOM DISCHARGE LEFT BOTTOM DISCHARGE FLOOR FOOT PRINT FRONT FLOOR FOOT PRINT Water Connections...
  • Page 32 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Horizontal Dimensional Data GEO-READY HORIZONTAL SUBMITTAL TOP VIEW 2.00 (5.1CM) PRIMARY SERVICE ACCESS 2ft (61CM) MOUNT (2) HANGER BRACKETS AS SHOWN TO ALLOW FOR ACCESS TO FILTER SIDE DISCHARGE VIEW FRONT VIEW END VIEW Electrical Refrigerant Discharge Connection...
  • Page 33 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Geo-Ready Dimensional Data FRONT SIDE RIGHT SIDE BACK SIDE LEFT SIDE " S FLEX OUTDOOR UNIT Service Valve KNOCK KNOCK Height w/ Depth w/ KNOCK KNOCK KNOCK KNOCK KNOCK KNOCK Connections Height Width Depth Bracket Bracket Models...

  • Page 34: Geo-Ready Service Clearance

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Geo-Ready Service Clearance SERVICE CLEARANCE " SIDE " BACK 24" FRONT 24" SIDE...

  • Page 35: Physical Data

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Physical Data Model Compressor (1 each) Indoor Factory Charge R410a, oz [kg] (Aluminum tube and fin air coil) Vertical 76 [2.15] 93 [2.64] 86 [2.44] Indoor Factory Charge R410a, oz [kg] (Aluminum tube and fin air coil) Horizontal 70 [1.98] 91 [2.58]...

  • Page 36: The Aurora™ Control System

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora™ Control System Aurora ‘Advanced’ Control Aurora “Outdoor” Control (AOB) The Aurora ‘Advanced’ This is an additional Control Board utilized in Air Source Control expands on the Mode. It is mounted inside the Control Box on the Outdoor capability of the Aurora Unit.
  • Page 37 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. Service Device Description Aurora 'Advanced' Allows setup, monitoring and troubleshooting of any Aurora Control. For Service NOTE: Although the ABC has basic compatibility with all Aurora, new (Ver. 2.xx or greater) product features may not be available on older AID Tools.
  • Page 38 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. Control Features Field Selectable Options via Hardware Software ABC Geo-Ready (Air) DIP Switch (SW1) – Test/Configuration Button (See SW1 Operation Table) Variable Speed Indoor ECM Blower Motor Option Test Mode A Variable Speed ECM blower motor can be driven directly The control is placed in the test mode by holding the push using the onboard PWM output.
  • Page 39 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. Reset Configuration Mode Defrost Configuration Mode - The AID Tool will have both Timed and On-Demand The control is placed in reset configuration mode by Defrost options available. By default, the system will be holding the push button switch SW1 for 50 to 60 seconds.
  • Page 40 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. Safety Features Loss of Charge – fault is recognized when the Normally Closed Low Pressure Switch, P4-7/8 is open prior to the The following safety features are provided to protect the compressor starting.
  • Page 41 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. High Discharge Gas Temperature - this is an Air Source Mode Cooling, 1st Stage (Y1, O) - The blower is started on “G” only Fault Code. This fault code is active in both Heating speed immediately and the compressor is energized 10 and Cooling Mode.
  • Page 42 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. Pre Defrost Wait – System is shutdown for 10s to shift Timed Defrost Initiation reversing valve prior to Defrost. In Timed Defrost Mode, the system does not go through Clean Coil Calibration and is therefore unable to detect Defrost Cycle Time –...
  • Page 43 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. Step-7 Ramp down compressor to OFF; Wait 10s 6-Hour Defrost Should 6 hours of “Accumulated Compressor Run Time” in Step-8 Turn OFF Auxiliary Heat (EH-1 & EH-2); Wait 5 Heating elapse without a Defrost Cycle AND the Outdoor seconds.
  • Page 44 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. Demand Defrost Example (Figure 18) Six Hour Defrost Example (Demand) (Figure 19)
  • Page 45 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. Six Hour Defrost Example (Timed)
  • Page 46 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System 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 47 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. Aurora ‘Advanced’ Control Features demand cycle. Since compressor hot gas temperature is dependent on loop temperature in cooling mode, loop The Aurora ‘Advanced’ temperatures may be too low to allow proper heating Control system expands on of water.
  • Page 48 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. AXB Control Board Layout AOB Control Board Layout See Figure 1 for See Figure 1 for DHW wiring. DHW wiring. Status Status Status AXB™ AXB™ (Aurora Expansion Board) (Aurora Expansion Board) AOB™...
  • Page 49 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. AWL – Aurora Weblink With a closed dry contact signal, this input will cause an alarm and Alert Code 23 to indicate on the stat or flash on ABC. The AWL is an add-on WiFi router that connects to the ABC AID Tool will allow configuration of this input between the and offers many features:...
  • Page 50 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL The Aurora Control System cont. Energy Monitoring (Air Source Mode) Special Modes and Applications When the system is configured for Air Source Mode, an additional current transducer on the AOB monitors power Communicating Digital Thermostats consumption by the Outdoor Fan Motor.

  • Page 51: Reference Calculations And Legend

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Reference Calculations Heating Calculations: Cooling Calculations: LWT = EWT + LWT = EWT - gpm x 500 gpm x 500 LAT (DB) = EAT (DB) - LAT = EAT + cfm x 1.08 cfm x 1.08 LC = TC - SC TH = HC + HW S/T =...

  • Page 52: Wiring Schematics

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Wiring Schematics Aurora Advanced with ECM and IntelliStart Blue Ext Pump Green/Yellow Green/Yellow Orange(9) Pump Compressor 1/2 hp Total G G G 208-230/60/1 Pump Brown(10) Blue Blue Blue Run Winding Run Winding Run Winding IntelliStart IntelliStart VARIABLE...
  • Page 53 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Wiring Schematics cont. Aurora Advanced with ECM and IntelliStart 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 Legend Legend...
  • Page 54 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Wiring Schematics cont. Aurora Advanced with ECM and IntelliStart cont. Aurora LED Flash Codes Slow Flash 1 second on and 1 second off Fast Flash 100 milliseconds on and 100 milliseconds off Flash Code 100 milliseconds on and 400 milliseconds off with a 2 second pause before repeating Fault LED (LED 1, Red) Random Start Delay (Alternating Colors)
  • Page 55 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Wiring Schematics cont. Aurora Advanced with ECM and IntelliStart cont. FP1 – 15 FP1 – 15 F/30 F/30 ECM PWM ECM PWM FP2 – 15 FP2 – 15 F/30 F/30 RV – B/O RV – B/O Fault Fault Config...
  • Page 56 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Wiring Schematics cont. Aurora Advanced with ECM Ext Pump Green/Yellow Green/Yellow Orange(9) Pump Compressor 1/2 hp Total G G G 208-230/60/1 Pump Brown(10) Blue Blue Blue VARIABLE VARIABLE Violet(8) SPEED PUMP SPEED PUMP HIGH VOLTAGE HIGH VOLTAGE Violet(7) SEE 97P927-01...
  • Page 57 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Wiring Schematics cont. Aurora Advanced with ECM 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 Legend Legend Legend...
  • Page 58 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Wiring Schematics cont. Aurora Advanced with ECM cont. Aurora LED Flash Codes Slow Flash 1 second on and 1 second off Fast Flash 100 milliseconds on and 100 milliseconds off Flash Code 100 milliseconds on and 400 milliseconds off with a 2 second pause before repeating Fault LED (LED 1, Red) Random Start Delay (Alternating Colors) Normal Mode...
  • Page 59 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Wiring Schematics cont. Aurora Advanced with ECM cont. FP1 – 15 FP1 – 15 F/30 F/30 ECM PWM ECM PWM FP2 – 15 FP2 – 15 F/30 F/30 RV – B/O RV – B/O Fault Fault Config...
  • Page 60 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Wiring Schematics Unit Power 208-230/60/1 Grn/Yel Grn/Yel Yellow/Black 24 VAC Brown Refrigerant Solenoid Valve Yellow White Dehumidification Output White/Black Not Used Pink OUTDOOR AIR COIL Status Orange TEMPERATURE Pink Black Accessory 2 Output Not Used Black/White Orange Analog Output...

  • Page 61: Air Source Vs Geo Mode

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Air Source vs Geo Mode The Geo-Ready Heat Pump ships from the factory in Air Air Source to Geo Conversion Source Mode. Ready to be connected to the Outdoor Unit. Follow the procedures below to convert the system from an Air Source to a Geothermal Heat Pump: The Geo-Ready Split system has the capability to switch •...
  • Page 62 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Air Source vs Geo Mode cont. Outdoor Unit Storage The outdoor unit MUST be capped once the outdoor unit is removed. This will keep debris out of the outdoor unit that could contaminate the next unit’s refrigeration circuit. The outdoor unit should be stored in a building to prevent damage and debris from collecting in the outdoor unit.

  • Page 63: Unit Startup

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Unit Startup b. Cooling Airflow % - sets the cooling airflow % from Before Powering Unit, Check the Following: heating airflow. Factory setting is -15%. NOTE: Remove and discard the compressor hold down shipping c.
  • Page 64 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Unit Startup cont. 3. ABC/AXB/AOB Overview (IMPORTANT) c. Select ‘Pump’ option of FC1, FC2, VS Pump, a. If the ABC is configured to run in Air Source VS+26-99, or open loop. This selects the pump Mode (i.e.
  • Page 65 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Unit Startup cont. Once sensors are installed for discharge pressure, suction Startup Steps pressure, suction, liquid line cooling, liquid line heating and NOTE: Complete the Equipment Start-Up/Commissioning Check Sheet during this procedure. Refer to thermostat operating leaving air temperature no further setup is required.

  • Page 66: Correction Factor Tables

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Correction Factor Tables Air Flow Corrections (Dual Capacity Part Load) Airflow Cooling Heating cfm Per Ton % of Nominal Total Cap Sens Cap Power Heat of Rej Htg Cap Power Heat of Ext of Clg 0.922 0.778 0.956...

  • Page 67: Operating Parameters

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Operating Parameters Dual Capacity Models First Stage Operation (Geo Mode) Cooling -- No Hot Water Generation Entering Water Flow Water Water Temp Rise Air Temp Drop gpm/ton Suction Pressure psig Discharge Pressure psig Superheat Subcooling Temp °F °F...
  • Page 68 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Operating Parameters cont. Second Stage Operation (Air Source Mode) NG*038 Cooling -- No Hot Water Generation OD DB Temp °F ID Air Flow CFM Suction Pressure psig Discharge Pressure psig Superheat Subcooling 1050 113 - 147 205 - 220 11 - 13 8 - 11...
  • Page 69 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Operating Parameters cont. NG*049 Heating -- No Hot Water Generation OD DB Temp °F ID Air Flow CFM Suction Pressure psig Discharge Pressure psig Superheat Subcooling 1350 47 - 51 276 - 336 3 - 26 12 - 26 1550 41 - 46...

  • Page 70: Pressure Drop

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Pressure Drop Pressure Drop (psi) Model 30°F 50°F 70°F 90°F 110°F full load part load full load part load full load 11.7 10.5 10.5 10.2 part load 6/3/22...

  • Page 71: Compressor And Thermistor Resistance

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Compressor Resistance Thermistor Resistance Thermistor Microprocessor 208-230/60/1 Model Compressor Model No. Temperature (°F) Resistance (Ohms) Start 75757-70117 ZPS30K7E-PFV 0.751 1.587 57392-53234 ZPS40K7E-PFV 0.477 1.299 43865-40771 ZPS51K7E-PFV 0.387 1.304 33809-31487 10/13/2021 26269-24513 20570-19230 16226-15196 12889-12093 10310-9688 8300-7812 6723-6337...

  • Page 72: Heat Of Extraction/Rejection

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Heat of Extraction/Rejection (GEO MODE ONLY) Dual Capacity Heat of Extraction (kBtuh) Heat of Rejection (kBtuh) Model 30°F 50°F 70°F 90°F 30°F 50°F 70°F 90°F 110°F 20.0 26.2 32.7 35.4 34.5 32.4 Part Load 14.5 20.8 27.6...

  • Page 73: Troubleshooting

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Troubleshooting Aurora Control System Refrigerant Systems (Geo Mode) NOTE: Refer to the Aurora Base Control Application and To maintain sealed circuit integrity, do not install service Troubleshooting Guide and the Instruction Guide: Aurora gauges unless unit operation appears abnormal. Compare Interface and Diagnostics (AID) Tool for additional information.
  • Page 74 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Troubleshooting cont. Water Leaving Water Blower Thermistor Coax Coil Flow Sensor Water Flow Meter Entering Water Thermistor Leaving Air Thermistor Wire Bundle In FP2 Sensor Blower Performance Option Only Compartment) Water Line View of Coax Performance Option Only Suction Suction...
  • Page 75 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Startup/ roubleshooting Form Controls Info: Dealer: ABC Version: Phone #: Date: AXB Version: Problem: IZ2 Version: T-Stat Version: Model #: Installed Sensors: Serial #: COOLING CYCLE ANALYSIS SAT °F °F Unit Amp Draw: Loop: Open Closed Line Voltage:...
  • Page 76 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Troubleshooting cont. Single Speed/Dual Capacity Startup/Troubleshooting Form 1. Job Information Model # Job Name: Loop: Open / Closed Serial # Install Date: Hot Water Generator: Y / N 2. Flow Rate in gpm SOURCE COAX LOAD COAX (Water-to-Water) HEATING COOLING...
  • Page 77 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Troubleshooting cont. GEO-READY ASHP – HEATING MODE Solenoid Valve Indoor Suction Pressure/Temp Cooling EEV Indoor Air Coil Discharge Compressor Pressure/ Dome Filter Dryer Temp Discharge Copper TEE Service Valve Suction Pressure/ Indoor Liquid Temp Suction Pressure/ Compressor...

  • Page 78: Preventive Maintenance & Replacement Procedures

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL 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 79: Service Parts List

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Service Parts List Parts List - Indoor Unit Compressor 208-230/60/1 34P743-01 34P744-01 34P746-01 Run Capacitor 208-230/60/1 16P008D18CK 16P008D19CK 16P008D31CK Compressor Sound Jacket 92P504A16 92P504A16 92P504A16 Power Harness 11P781-01 11P781-01 11P781-01 Solenoid Harness 11P782-02 11P782-02 11P782-02 ECM Motor 208-230/60/1 14S573-01...
  • Page 80 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Service Parts List cont. Parts List - Outdoor Unit Air Coil 61S778-02B 61S778-02B 61S778-02B Charge Compensator 36P512-05 36P512-03 36P512-03 33P617-01 33P617-01 33P617-01 Refrigeration Components Service Valve Suction 33P554-01 33P554-01 33P554-01 Service Valve Liquid 33P554-03 33P554B04 33P554B04 Solenoid Valve...
  • Page 82 5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Notes...

  • Page 83: Revision Guide

    5 SERIES GEO-READY SPLIT INSTALLATION MANUAL Revision Guide Pages: Description: Date: Document Creation 24 Feb 2023...
  • Page 84 Manufactured by WaterFurnace International, Inc. 9000 Conservation Way Fort Wayne, IN 46809 www.waterfurnace.com Product: Geo-Ready Split Type: Geothermal Heat Pump Size: 3-5 Ton Dual Capacity Document: Installation Manual *IM2510EW* ISO 17025 Accredited ©2023 WaterFurnace International, Inc., 9000 Conservation Way, Fort Wayne, IN 46809-9794. WaterFurnace has a policy IM2510EW 02/23 of continual product research and development and reserves the right to change design and specifi...

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