Geostar Arbor Base Series Installation Manual
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Geostar Arbor Base Series Installation Manual

Water source/geothermal heat pump
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A R B O R B A S E S E R I E S
COMMERCIAL
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
IM1201AZB 03/16

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Summary of Contents for Geostar Arbor Base Series

  • Page 1 A R B O R B A S E S E R I E S COMMERCIAL 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 IM1201AZB 03/16...

  • Page 3: Table Of Contents

    ARBOR BASE SERIES INSTALLATION MANUAL Table of Contents Model Nomenclature ............. . 4 General Installation Information .

  • Page 4: Model Nomenclature

    B – Sound Kit (Not Available on H006-012) Note: Phase Guard Only Available on 208-230/60/3 and 460/60/3 Some options not available in ZBV041. All Arbor Base Series product is safety listed under UL1995 thru ETL and performance listed with AHRI in accordance with standard 13256-1.

  • Page 5: General Installation Information

    ARBOR BASE SERIES INSTALLATION MANUAL General Installation Information Safety Considerations Unit Location Locate the unit in an indoor area that allows for easy removal of WARNING: Before performing service or maintenance the filter and access panels. Location should have enough space operations on a system, turn off main power switches for service personnel to perform maintenance or repair.

  • Page 6: Dimensional Data

    ARBOR BASE SERIES 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 Top View - Right Return...
  • Page 7 ARBOR BASE SERIES INSTALLATION MANUAL Vertical Dimensional Data cont. Electrical Knockouts Overall Cabinet Water Connections Vertical Models Loop 1/2” cond 1/2” cond 1” cond Power Sup- Filter Rack Width Depth Height* Condensate Water FPT Voltage Voltage Width 19.2 19.2 24.2 1/2”...

  • Page 8: Horizontal Dimensional Data

    ARBOR BASE SERIES INSTALLATION MANUAL Horizontal Dimensional Data Standard filter rails Standard filter rails 1 in knockout Left Return 1/2 in knockout Right Return Front Front Right Return Air Front View 2' (61 cm) 2' (61 cm) Service Access Service Access...
  • Page 9 ARBOR BASE SERIES INSTALLATION MANUAL Horizontal Dimensional Data cont. Water Connections Electrical Knockouts Overall Cabinet Horizontal Loop Models 1/2 in. cond 1 in. cond Width Depth Height* Condensate Water FPT Low Voltage Power Supply 19.2 35.0 12.1 1/2 in. 006-012** 48.8...

  • Page 10: Installing Horizontal Units

    ARBOR BASE SERIES INSTALLATION MANUAL Installing Horizontal Units Installing Horizontal Units Use only the bolts provided in the kit to attach hanger brackets. The use of longer bolts could damage internal parts. Some Horizontal units are available with side or end discharge and may applications require the installation of horizontal units on an attic be easily field converted by flipping the blower discharge panel.

  • Page 11: Hanger Bracket Locations

    ARBOR BASE SERIES 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 Hanger Dimensions Weight Distribution Table...

  • Page 12: Duct System And Water Piping

    ARBOR BASE SERIES INSTALLATION MANUAL Duct System An air outlet collar is provided on vertical top flow units and all The duct system should be sized to handle the design airflow horizontal units to facilitate a duct connection. A flexible connector quietly and efficiently.

  • Page 13: Water Quality

    ARBOR BASE SERIES INSTALLATION MANUAL Water Quality In ground water situations where scaling could be heavy or where In areas with extremely hard water, the owner should be informed biological growth such as iron bacteria will be present, a closed that the heat exchanger may require occasional flushing.

  • Page 14: System Cleaning And Flushing

    ARBOR BASE SERIES INSTALLATION MANUAL System Cleaning and Flushing Cleaning and Flushing Refill the system with clean water. Test the system water for acidity and treat as required to leave the water slightly alkaline (pH 7.5 to Prior to start up of any heat pump, the water circulating system 8.5).

  • Page 15: Open Loop Ground Water Systems

    ARBOR BASE SERIES INSTALLATION MANUAL Open Loop Ground Water Systems Typical open loop piping is shown below. Always maintain water Discharge water from the unit is not contaminated in any manner pressure in the heat exchanger by placing water control valves at and can be disposed of in various ways, depending on local codes, the outlet of the unit to prevent mineral precipitation.

  • Page 16: Freeze Detection

    ARBOR BASE SERIES INSTALLATION MANUAL Freeze Detection For Aurora Base Control, set SW2-1, FP1, on the printed circuit board for applications using a closed loop antifreeze solution to 15°F [-9.4°C]. On applications using an open loop/ground water system (or closed loop no antifreeze), set this dip switch to 30°F [-1.1°C], the factory default setting.

  • Page 17: Electrical Connections

    208 Volt Operation Be sure the available power is the same voltage and phase as that All Arbor Base Series 208/230 units are factory wired for 230 volt shown on the unit serial plate. Line and low voltage wiring must be operation.

  • Page 18: Electrical Data

    ARBOR BASE SERIES INSTALLATION MANUAL Electrical Data PSC Motor Compressor Blower Total Rated Voltage Model Motor Unit Circ Fuse/ Voltage Min/Max HACR Breaker 115/60/1 104/127 29.0 208-230/60/1 187/253 15.0 10/15 265/60/1 238/292 11.0 10/15 115/60/1 104/127 12.5 50.0 11.5 208-230/60/1 187/253 21.0...
  • Page 19 ARBOR BASE SERIES INSTALLATION MANUAL Electrical Data cont. 5 Speed ECM Motor Compressor Blower Total Rated Voltage Model Motor Unit Circ Fuse/ Voltage Min/Max HACR Breaker 208-230/60/1 187/253 29.0 10.0 11.5 265/60/1 238/292 28.0 10/15 208-230/60/1 187/253 10.4 33.5 10.8 12.5...
  • Page 20 ARBOR BASE SERIES INSTALLATION MANUAL Electrical Data cont. Variable Speed ECM Motor Compressor Blower Total Rated Voltage Model Motor Unit Circ Fuse/ Voltage Min/Max HACR Breaker 208-230/60/1 187/253 29.0 11.4 265/60/1 238/292 28.0 10.3 208-230/60/1 187/253 10.4 33.5 10.7 12.4...

  • Page 21: Blower Performance Data

    ARBOR BASE SERIES INSTALLATION MANUAL Blower Performance Data Standard PSC Motor Blower Blower Motor Airfl ow (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...
  • Page 22 ARBOR BASE SERIES INSTALLATION MANUAL Blower Performance Data cont. 5- Speed ECM Motor Airfl ow (cfm) at External Static Pressure (in. wg) Motor Blower Motor Model Motor Spd 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...

  • Page 23: 5-Speed Ecm Constant Torque Motors

    ARBOR BASE SERIES INSTALLATION MANUAL 5-Speed ECM Constant Torque Motors The 5-speed ECM is a ‘Constant Torque’ ECM motor and delivers Applying 24VAC power between any of the motor taps 1-5 (1/4 air flow similar to a PSC but operates as efficiently as an variable in.
  • Page 24 ARBOR BASE SERIES INSTALLATION MANUAL Blower Performance Data cont. Variable Speed ECM Motor Air Flow Dip Switch Settings Blower Motor Model Size 0.50 9 x 7 0.50 9 x 7 1000 1100 0.50 9 x 7 1000 1100 0.50 9 x 7...
  • Page 25 ARBOR BASE SERIES INSTALLATION MANUAL Blower Performance Data cont. Setting Blower Speed - Variable Speed ECM Variable Speed ECM Setup with an AID Tool cont. Selecting YES will enter variable The ABC board’s Yellow Confi g LED will fl ash the current variable...

  • Page 26: Wiring Schematics

    ARBOR BASE SERIES INSTALLATION MANUAL Wiring Schematics Aurora Base Control 208-230/60/1 PSC Compressor Blue Blower Motor Black Unit Power Supply 208-230-265/60/1 3 Airflow Settings Green (93) Ground Neutral Disconnect White Black (95) Red (97) Black Black 208V Blue Black 230V...
  • Page 27 ARBOR BASE SERIES INSTALLATION MANUAL Wiring Schematics cont. Aurora Base Control 208-230/60/1 PSC Notes: 1 – Optional, factory installed unit mounted disconnect. 2 – Swap blue and red leads for 208V operation. 3 – Optional, factory installed internal isolation valve.
  • Page 28 ARBOR BASE SERIES INSTALLATION MANUAL Wiring Schematics cont. Aurora Base Control 460/60/3 Variable Speed ECM Compressor Unit Power Supply 460/60/3 w/Neutral Phase Yellow Black Guard Orange Monitor (PGM) Bro wn Green (93) Ground L1 L2 L3 Gray (94) Neutral Disconnect...
  • Page 29 ARBOR BASE SERIES INSTALLATION MANUAL Wiring Schematics cont. Aurora Base Control 460/60/3 Variable Speed ECM Notes: Legend 1 – Optional, factory installed unit mounted disconnect. Factory Low Voltage Wiring Thermistor 2 – Optional, factory installed internal isolation valve. Factory Line Vol tage Wiring Field Low Voltage Wiring 3 –...
  • Page 30 ARBOR BASE SERIES INSTALLATION MANUAL Wiring Schematics cont. Aurora Base Control 460/60/3 5-Speed ECM Black Phase Yellow Guard Monitor Unit Power Supply (PGM) 460/60/3 L1 L2 L3 Red (9) Green (93) Ground Neutral White (8) Disconnect Black (7) Black (95)

  • Page 31: Wiring Schematics

    ARBOR BASE SERIES INSTALLATION MANUAL Wiring Schematics cont. Aurora Base Control 460/60/3 5-Speed ECM Legend Factory Low Voltage Wiring Thermistor Factory Line Vol tage Wiring Field Low Voltage Wiring Relay Coi l Fi eld Li ne Voltage Wi ri ng...

  • Page 32: Controls - Aurora Base Control

    ARBOR BASE SERIES 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 33 ARBOR BASE SERIES INSTALLATION MANUAL Controls - Aurora Base Control cont. Cycle with Blower - The accessory relay will cycle with the Lockout – when locked out, the blower will operate continuously in blower output. “G” speed, and PSC blower motor output will remain on. The Alarm output (ALM) and Lockout output (L) will be turned on.
  • Page 34 ARBOR BASE SERIES INSTALLATION MANUAL Controls - Aurora Base Control cont. Over/Under Voltage Shutdown - An over/under voltage condition Cooling Operation exists when the control voltage is outside the range of 18 VAC to In all cooling operations, the reversing valve directly tracks the O 30 VAC.
  • Page 35 ARBOR BASE SERIES 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 fault The Aurora Interface and codes for the control. These can also be read in plain English via Diagnostics (AID) Tool is a the Aurora AID Tool.

  • Page 36: Unit Startup

    ARBOR BASE SERIES 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 37: Operating Parameters And Operating Limits

    ARBOR BASE SERIES INSTALLATION MANUAL Operating Parameters Cooling Entering Water Water Flow Suction Discharge Water Temp Air Temp Drop Temp °F GPM/ton Superheat Subcooling Pressure psig Pressure psig Rise °F °F DB 100-115 170-190 17 - 26 10 - 14...

  • Page 38: Pressure Drop

    ARBOR BASE SERIES INSTALLATION MANUAL Pressure Drop Pressure Drop (psi) Pressure Model Valve 30°F 50°F 70°F 90°F 110°F Drop (psi) Internally mounted 2-position solenoid water valves are not available on models 006-012 0.09 10.1 0.16 1/2” 10.4 0.23 10.6 0.32 0.09...

  • Page 39: Compressor And Thermistor Resistance

    ARBOR BASE SERIES INSTALLATION MANUAL Compressor and Thermistor Resistance Compressor Resistance 115/60/1 208-230/60/1 265/60/1 Model 208-230/60/3 460/60/3 575/60/4 Start Start Start 1.25-1.43 2.70-3.10 5.30-6.09 5.12-5.89 8.33-9.59 4.25-4.89 0.77-0.89 1.79-2.05 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 Not Available at Time of Publication 2.74-3.16...

  • Page 40: Heat Of Extraction/Rejection Data

    ARBOR BASE SERIES INSTALLATION MANUAL Heat of Extraction/Rejection Data Heat of Extraction/Rejection Model Heat Of Extraction (HE) Heat of Rejection (HR) 30°F 50°F 70°F 90°F 30°F 50°F 70°F 90°F 110°F 10.2 13.5 10.1 13.3 10.1 13.2 10.0 11.9 11.1 10.1 10.2...

  • Page 41: Reference Calculations And Legend

    ARBOR BASE SERIES INSTALLATION MANUAL Reference Calculations Legend ABBREVIATIONS AND DEFINITIONS: Heating Calculations: Cooling Calculations: = airflow, cubic feet/minute = entering water temperature, Fahrenheit LWT = EWT - LWT = EWT + gpm x 500 gpm x 500 = water flow in gallons/minute...

  • Page 42: Troubleshooting

    ARBOR BASE SERIES 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. Investigate for possible overloading.

  • Page 43: Startup/Troubleshooting Form

    ARBOR BASE SERIES 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 44 ARBOR BASE SERIES INSTALLATION MANUAL Startup/ roubleshooting Form Controls Info: Dealer: ABC Version: Phone #: Date: AXB Version: Problem: IZ2 Version: Model #: T-Stat Version: Installed Sensors: Serial #: COOLING CYCLE ANALYSIS SAT °F °F Unit Amp Draw: Loop: Open...

  • Page 45: Preventive Maintenance

    ARBOR BASE SERIES INSTALLATION MANUAL Preventive Maintenance Water Coil Maintenance Keep all air out of the water. An open loop system should be checked to ensure that the well head is not allowing air to infiltrate the water line. Lines should always be airtight.

  • Page 46: Service Parts

    ARBOR BASE SERIES INSTALLATION MANUAL Service Parts - Vertical Compressor 34P653-01 34P590-01 34P591-01 34P592-01 34P593-01 34P636-01 34P637-01 34P635-01 34P638-01 34P638-01 34P639-01 34P630-01 34P631-01 208-230/60/1 265/60/1 34P653-02 34P590-02 34P591-02 34P592-02 34P593-02 34P636-02 34P637-02 34P635-02 Not Available 230/60/3 34P636-03 34P637-03 34P635-03 34P638-03 34P638-03 34P639-03 34P630-03 34P631-03...
  • Page 47 ARBOR BASE SERIES INSTALLATION MANUAL Service Parts - Horizontal Compressor 208-230/60/1 34P653-01 34P590-01 34P591-01 34P592-01 34P593-01 34P636-01 34P637-01 34P635-01 34P638-01 34P639-01 34P630-01 34P631-01 265/60/1 34P653-02 34P590-02 34P591-02 34P592-02 34P593-02 34P636-02 34P637-02 34P635-02 Not Available 230/60/3 Not Available 34P636-03 34P637-03 34P635-03 34P638-03 34P639-03 34P630-03 34P631-03...
  • Page 48 ARBOR BASE SERIES INSTALLATION MANUAL Notes...

  • Page 49: Revision Guide

    ARBOR BASE SERIES INSTALLATION MANUAL Revision Guide Pages: Description: Date: Misc. Added 041 Vertical, Removed FX10 Control Option 16 Jan 2016 Updated with CuproNickel Water Coil Option 20 May 2014 Updated with All-Aluminum Air Coils 09 Oct 2013 First Published...
  • Page 50 Product: Arbor Base Series Type: Geothermal/Water Source Heat Pumps Size: 0.5-6 Ton Document Type: Installation Manual Part Number: IM1201AZB Release Date: 03/16 ©2016 The manufacturer 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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