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Summary of Contents for WaterFurnace 700A11 7 Series
- 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 IM2700AN 07/12...
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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 Type Future Option N = 7 Series N = None Compressor Type Control Option V = Variable Speed J = Aurora Variable Speed Control K = Aurora Variable Speed Control Cabinet Configuration with Performance Monitoring V = Vertical Filter Option... -
Page 5: General Installation Information
7 SERIES 700A11 INSTALLATION MANUAL General Installation Information Safety Considerations when units are located in unconditioned spaces to prevent damage from frozen water lines and excessive heat that WARNING: Before performing service or could damage electrical components. maintenance operations on a system, turn off main power switches to the indoor unit. -
Page 6: Installing Horizontal Units
7 SERIES 700A11 INSTALLATION MANUAL General Installation Information cont. Installing Horizontal Units the position shown in Figure 3. The unit should be pitched approximately 1/4-inch towards the drain in both directions Remove and discard the compressor hold down shipping to facilitate the removal of condensate. Use only the bolts bolt located at the front of the compressor mounting provided in the kit to attach hanger brackets. -
Page 7: Duct System
7 SERIES 700A11 INSTALLATION MANUAL General Installation Information cont. Duct System or compound. Check to ensure that the rubber seal is in 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: Water Quality
7 SERIES 700A11 INSTALLATION MANUAL General Installation Information cont. Water Quality can likewise become scaled and possibly plugged. In areas with extremely hard water, the owner should be informed In ground water situations where scaling could be heavy that the heat exchanger may require occasional flushing. or where biological growth such as iron bacteria will be present, a closed loop system is recommended. -
Page 9: Closed Loop Ground Source Systems
7 SERIES 700A11 INSTALLATION MANUAL Closed Loop Ground Source Systems Multiple Units on One Flow Center NOTE: For closed loop systems with antifreeze protection, 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 10: Open Loop Ground Water Systems
7 SERIES 700A11 INSTALLATION MANUAL Open Loop Ground Water Systems NOTE: For open loop/groundwater systems or systems Typical open loop piping is shown below. Always maintain water pressure in the heat exchanger by placing water that do not contain an antifreeze solution, set SW2-Switch control valves at the outlet of the unit to prevent mineral #1 to the “WELL”... -
Page 11: 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 Water In Water Out higher demand applications, use an 80-gallon water... - Page 12 7 SERIES 700A11 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” for a check valve. If a check valve is present it must position.
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Page 13: 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 accessory devices, such as water solenoid valves on open wiring must be done in accordance with local codes or loop installations, electronic air cleaners, humidifiers, etc. -
Page 14: Electronic Thermostat Installation
7 SERIES 700A11 INSTALLATION MANUAL Electrical Connections cont. Pump Power Wiring Figure 14: Pump Wiring 208-230/60/1 See Figure 14 for electrical connections from control box 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 15: 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 16: Blower Performance Data
7 SERIES 700A11 INSTALLATION MANUAL Blower Performance Data 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 1520 1630 036 w/1hp* 0.75 1020... -
Page 17: 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 2 ft [61 cm] Primary Service Access RIGHT SIDE LEFT SIDE Return Connection Electrical Discharge Connection Overall Cabinet... - Page 18 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 2 ft [61 cm] Primary Service Access LEFT BOTTOM DISCHARGE RIGHT BOTTOM DISCHARGE FLOOR FOOT PRINT FLOOR FOOT PRINT Water Connections...
- Page 19 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 RIGHT RETURN RIGHT RETURN Return Connection...
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Page 20: Horizontal Dimensional Data
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) Electrical Connections... -
Page 21: Physical Data
7 SERIES 700A11 INSTALLATION MANUAL Physical Data Variable Speed Model Compressor (1 each) Variable Speed Scroll Factory Charge R-410A, oz [kg] Vertical 95 [2.69] 120 [3.40] 140 [3.96] Factory Charge R-410A, oz [kg] Horizontal 95 [2.69] 136 [3.85] 148 [4.19] ECM Blower Motor &... -
Page 22: The Aurora™ Advanced Vs Control System
7 SERIES 700A11 INSTALLATION MANUAL The Aurora™ Advanced VS Control System Aurora Advanced VS Control uses the Modbus communication protocol to communicate between modules. Each module contains the logic to control Aurora Advanced VS all features that are connected to the module. The ABC has Control System is a two Modbus channels. -
Page 23: Control Features
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 TPCM32U04 or TPCC32U01. - Page 24 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont. Loop Pump Slaving cycle or after 15 minutes of continuous compressor operation during the current thermostat demand cycle. This input and output are provided so that two units can be Since compressor hot gas temperature is dependent on slaved together with a common flow center.
- Page 25 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont. Special Modes and Applications Home Automation 2 – E24 HA2 With a closed dry contact signal, this input will cause an Communicating Digital Thermostats alarm and Alert Code 24 to indicate on the stat or flash The Aurora VS controls system also requires either the on ABC.
- Page 26 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 27 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 28 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont. Aurora Advanced VS Control LED Displays an appropriate blower speed. The blower mode will also have the cooling airflow adjustment applied. In all cooling These three LEDs display the status, configuration, and operations, the reversing valve directly tracks the O input.
- Page 29 7 SERIES 700A11 INSTALLATION MANUAL The Aurora Advanced VS Control System cont.
- Page 30 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 –...
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Page 31: 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 32: Wiring Schematics
7 SERIES 700A11 INSTALLATION MANUAL Wiring Schematics Aurora Variable Speed Orange(9) Ext Pump Pump Pump 1/2 hp Total Brown(10) 208-230/60/1 Violet(8) NOTE 12 Violet(7) Variable Circuit Breaker Speed Pump Pump Black Black Circuit Breaker 208-230/60/1 L1 and L2 on VS Drive See Figure 1 for DHW wiring. - Page 33 7 SERIES 700A11 INSTALLATION MANUAL Wiring Schematics cont. Aurora Variable Speed cont. 208-230/60/1 208-230/60/1 Auxiliary Electric Heat Power With optional ' EA' Series Circuit 2 Circuit 1 Auxiliary ElectricHeat Typical schematic shown NOTE 3 Green Brown Brown Orange Orange Blue Pink Violet Yellow...
- Page 34 7 SERIES 700A11 INSTALLATION MANUAL Wiring Schematics cont. Aurora Variable Speed Drive/EEV Wiring Suction Discharge Entering Pressure Pressure Compressor Discharge Water Temp Unit Power Ambient Line Temp 208-230/60/1 Circuit Breaker NOTE 11 Ferrite Toroid Black Circuit Breaker Metal Flexible Conduit Variable Speed Black Drive...
- Page 35 7 SERIES 700A11 INSTALLATION MANUAL Wiring Schematics cont. Aurora Variable Speed Drive/EEV Wiring cont. Suction Discharge Bipolar Stepper Motor Legend Line Temp Air Temp Factory Low voltage wiring Thermistor Factory Line voltage wiring Field low voltage wiring Light emitting diode - Green Field line voltage wiring Optional block Relay coil...
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Page 36: 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 mounting unit and electric heat. - Page 37 Energy monitoring can be read on any of the i. AID Tool – instantaneous information only following components: ii. WaterFurnace Web Portal via AWL i. AID Tool – instantaneous information only device hooked to Aurora (future release) ii. TPCM32U04 Communicating...
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Page 38: Pressure Drop
7 SERIES 700A11 INSTALLATION MANUAL Unit Startup cont. 3. First stage cooling will energize after a time delay. 13. Check for an air temperature rise of 12°F to 35°F across 4. Be sure that the compressor and water control valve or the air coil (heating compressor speed 12), depending loop pump(s) are activated. -
Page 39: Refrigerant Circuit Guideline
7 SERIES 700A11 INSTALLATION MANUAL Refrigerant Circuit Guideline Head Suction Compressor Air Temp. Water Temp. Symptom Superheat Subcooling Pressure Pressure Amp Draw Differential Differential Under Charged System (Possible Leak) High Over Charged System High High High Normal High Normal/Low Normal Low Air Flow Heating High High... -
Page 40: 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 °F DB 13.5... -
Page 41: 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 WPD = water pressure drop, psi and feet of water LAT (DB) = EAT (DB) - LAT = EAT +... - Page 42 7 SERIES 700A11 INSTALLATION MANUAL Troubleshooting cont. Sensor Locations Leaving Water Thermistor (Sensor Wire Wrapped 4 Water Times Around Water Line) Blower Entering Water Thermistor Coax (Sensor Wire Flow Wrapped 4 Sensor Times Around Water Line) Coil Water Flow Meter Entering Water Thermistor (Sensor Wire...
- Page 43 7 SERIES 700A11 INSTALLATION MANUAL Troubleshooting cont. Startup/Troubleshooting Form DEALER: PHONE #: DATE: PROBLEM: MODEL #: SERIAL #: COOLING CYCLE ANALYSIS SAT °F °F °F °F High Speed Unit Amp Draw: Loop: Open Closed Line Voltage: °F °F Low Speed COIL SUCTION COMPRESSOR...
- Page 44 7 SERIES 700A11 INSTALLATION MANUAL Troubleshooting cont. Variable Speed 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 HEATING SPEED 12 HEATING SPEED 4 COOLING SPEED 9 COOLING SPEED 3...
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Page 45: 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 46: Service Parts List
7 SERIES 700A11 INSTALLATION MANUAL Service Parts List Vertical Horizontal Parts List Parts List 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 11P853-01 Power Harness 11P853-01 11P853-01 11P853-01... - Page 48 Document: Installation Manual ISO 17025 Accredited ©2012 WaterFurnace International, Inc., 9000 Conservation Way, Fort Wayne, IN 46809-9794. WaterFurnace has a policy of IM2700AN 07/12 continual product research and development and reserves the right to change design and specifications without notice.
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