Geostar Aston Series Manual
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Geostar Aston Series Manual

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Aston &
A t
&
Aston Advanced Series
GEOTHERMAL HEAT PUMPS
1 TO 6 TONS
Submittal Data
English Language
IP/Metric Units
SD2500AG 06/21

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  • Page 1 Aston & & Aston Advanced Series GEOTHERMAL HEAT PUMPS 1 TO 6 TONS Submittal Data English Language IP/Metric Units SD2500AG 06/21...
  • Page 2 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Model Nomenclature - Aston Future Option Model Type 0 - Standard 10 – Aston Water-to-Air Controls Option Type A – Aurora Base Control (ABC) 1 – Vertical 2 –...
  • Page 3 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: AHRI/ISO 13256-1 Performance Ratings Variable Speed ECM or 5-Speed ECM Motor AHRI/ASHRAE/ISO 13256-1 English (IP) Units Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump...

  • Page 4: Psc Motors

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: AHRI/ISO 13256-1 Performance Ratings cont. PSC Motors AHRI/ASHRAE/ISO 13256-1 English (IP) Units Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump Cooling Brine...
  • Page 5 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: AHRI/ISO 13256-1 Performance Ratings cont. Energy Star Compliance Table Energy Star Rating Criteria In order for water-source heat pumps to be Energy Star rated they must meet or Tier 3 exceed the minimum efficiency requirements listed below.

  • Page 6: Vertical Dimensional Data

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Vertical Dimensional Data Top Air Discharge LEFT RETURN RIGHT RETURN 1.9in [4.8cm] 1.9in [4.8cm] K J I D E H F FRONT 2ft [61cm] Primary Service Access...
  • Page 7 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: 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 2ft [61cm] Primary Service Access...
  • Page 8 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Vertical Dimensional Data cont. Rear Air Discharge 1.90 1.90 FRONT REAR VIEW SIDE VIEW SIDE VIEW REAR VIEW LEFT RETURN LEFT RETURN RIGHT RETURN RIGHT RETURN...

  • Page 9: Horizontal Dimensional Data

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Horizontal Dimensional Data TOP VIEW 2.1in [5.4cm] MOUNT (2) HANGER BRACKETS AS SHOWN TO ALLOW ACCESS TO FILTER 2ft [61cm] Primary Service Access SIDE DISHCARGE VIEW...

  • Page 10: Physical Data

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Physical Data Single Speed SINGLE SPEED Model Compressor (1 each) Rotary Scroll Factory Charge R410a, oz [kg] Vertical 36 [1.02] 42 [1.19] 56 [1.58] 64 [1.81] 82 [2.32]...
  • Page 11 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Physical Data cont. Dual Capacity DUAL CAPACITY Model ND026 ND038 ND049 ND064 ND072 Compressor (1 each) Copeland UltraTech, Dual Capacity Scroll Factory Charge R410a, oz [kg]...

  • Page 12: Auxiliary Heat Ratings

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Auxiliary Heat Ratings Btu/h Model Size Compatibility Model Stages Min cfm 208V 230V 208V 230V 026 - 030 036 - 042 048 - 072 EAS(H)4A 9,700 12,900 •...

  • Page 13: Electrical Data

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Electrical Data Single Speed Unit with Variable Speed ECM Motor Compressor Total Voltage Blower Model Rated Voltage Loop Unit Circ Fuse/ Min/Max Pump FLA Motor FLA...
  • Page 14 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Electrical Data cont. Dual Capacity Unit with Variable Speed ECM Motor Compressor Blower Total Rated Voltage Model Pump Loop Motor Unit Circ Fuse/ Voltage Min/Max LRA**...

  • Page 15: Blower Performance Data

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Blower Performance Data Single Speed Unit with Variable Speed ECM Motor Airflow Speed Settings Model 1025 1125 0.50 1000 1100 1200 0.50 1000 1100 1200 0.50...
  • Page 16 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Blower Performance Data cont. Single Speed Unit with 5-Speed ECM Motor Motor Motor T’stat Blower Motor Airflow (cfm) at External Static Pressure (in. wg) Model 0.05 0.10...
  • Page 17 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Blower Performance Data cont. Dual Capacity Unit with 5-Speed ECM Motor Motor T’stat Blower Motor Airflow (cfm) at External Static Pressure (in. wg) Model 0.05 0.10 0.15...
  • Page 18 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Blower Performance Data cont. Unit with Standard PSC Motor Motor Blower Motor Airflow (cfm) at External Static Pressure (in. wg) Model Size 0.05 0.10 0.15 0.20 0.25...

  • Page 19: Operating Limits

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Operating Limits Cooling Heating Operating Limits (°F) (°C) (°F) (°C) Air Limits Min. Ambient Air Rated Ambient Air 26.7 21.1 Max. Ambient Air 37.8 29.4 Min. Entering Air 10.0...

  • Page 20: Correction Factor Tables

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: 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...

  • Page 21: Antifreeze Corrections

    Antifreeze solution is Propylene Glycol 20% by weight. Determine the corrected heating and cooling performance at 30°F and 90°F respectively as well as pressure drop at 30°F for a Aston Series Single Speed Model 022-ECM. The corrected cooling capacity at 90°F would be: 22,400 MBtu/h x 0.969 = 21,706 MBtu/h The corrected heating capacity at 30°F would be: 14,500 MBtu/h x 0.913 = 13,239 MBtu/h...

  • Page 22: Pressure Drop

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Pressure Drop Single Speed Dual Capacity Pressure Drop (psi) Pressure Drop (psi) Model Model 30°F 50°F 70°F 90°F 110°F 30°F 50°F 70°F 90°F 110°F full load...

  • Page 23: Performance Data

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data Model 012 - Single Speed PSC (400 cfm) Heating - EAT 70 °F Cooling - EAT 80/67 °F Flow Rate Power Power °F FT/HD...
  • Page 24 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 018 - Single Speed PSC (600 cfm) Heating - EAT 70 °F Cooling - EAT 80/67 °F Flow Rate Power Power °F...
  • Page 25 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 022 - Single Speed PSC (700 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Rate Power Power °F FT/HD...
  • Page 26 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 030 - Single Speed PSC (900 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Rate Power Power °F FT/HD...
  • Page 27 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 036 - Single Speed PSC (1250 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Rate Power Power °F FT/HD...
  • Page 28 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 042 - Single Speed PSC (1350 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Rate Power Power °F FT/HD...
  • Page 29 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 048 - Single Speed PSC (1500 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Rate Power Power °F FT/HD...
  • Page 30 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 060 - Single Speed PSC (2000 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Rate Power Power °F FT/HD...
  • Page 31 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 070 - Single Speed PSC (2200 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Rate Power Power °F FT/HD...
  • Page 32 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 018 - Single Speed with Variable Speed ECM (600 cfm) Heating - EAT 70°F Cooling - EAT 80/67 °F Flow Rate Airflow...
  • Page 33 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 022 - Single Speed with Variable Speed ECM or 5-Speed ECM (700 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 34 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 030 - Single Speed with Variable Speed ECM or 5-Speed ECM (900 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 35 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 036 - Single Speed with Variable Speed ECM or 5-Speed ECM (1250 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 36 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 042 - Single Speed with Variable Speed ECM or 5-Speed ECM (1350 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 37 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 048 - Single Speed with Variable Speed ECM or 5-Speed ECM (1500 cfm) Flow HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 38 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 060 - Single Speed with Variable Speed ECM or 5-Speed ECM (2000 cfm) Flow HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 39 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 070 - Single Speed with Variable Speed ECM or 5-Speed ECM (2200 cfm) Flow HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 40 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 026 - Part Load Dual Capacity with Variable Speed ECM or 5-Speed ECM (700 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow EWT °F...
  • Page 41 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 026 - Full Load Dual Capacity with Variable Speed ECM or 5-Speed ECM (900 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 42 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 038 - Part Load Dual Capacity with Variable Speed ECM or 5-Speed ECM (1050 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 43 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 038 - Full Load Dual Capacity with Variable Speed ECM or 5-Speed ECM (1250 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 44 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 049 - Part Load Dual Capacity with Variable Speed ECM or 5-Speed ECM (1350 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 45 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 049 - Full Load Dual Capacity with Variable Speed ECM or 5-Speed ECM (1550 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 46 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 064 - Part Load Dual Capacity with Variable Speed ECM or 5-Speed ECM (1500 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 47 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 064 - Full Load Dual Capacity with Variable Speed ECM or 5-Speed ECM (1800 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 48 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 072 - Part Load Dual Capacity with Variable Speed ECM or 5-Speed ECM (1700 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...
  • Page 49 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Performance Data cont. Model 072 - Full Load Dual Capacity with Variable Speed ECM or 5-Speed ECM (2200 cfm) HEATING - EAT 70°F COOLING - EAT 80/67 °F...

  • Page 50: Wiring Schematics

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics Aurora Advanced with ECM and IntelliStart Blue Green/Yellow Ext Pump Orange(9) Pump NOTE 10 1/2 hp Total 208-230/60/1 Pump Brown(10) Blue NOTE 8 Variable...
  • Page 51 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics cont. Aurora Advanced with ECM and IntelliStart cont. With optional EA Series 20kW Auxiliary Electric Heat shown Place auxiliary heat schematic from kit here...
  • Page 52 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics cont. Aurora Advanced with ECM and IntelliStart cont. AXB BOARD Aurora LED Flash Codes Slow Flash 1 second on and 1 second off Fast Flash...
  • Page 53 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics cont. Aurora Advanced with ECM and IntelliStart cont. MODULATING VALVE AXB BOARD FP1 – 15 F/30 ECM PWM FP2 – 15 F/30 RV – B/O...
  • Page 54 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics cont. Aurora Advanced with 5-Speed ECM NOTE 13 Ext Pump Orange(9) Green/Yellow Pump 1/2 hp Total 208-230/60/1 Pump Brown(10) Blue NOTE 10 Variable Speed...
  • Page 55 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics cont. Aurora Advanced with 5-Speed ECM cont. 7/27/2015 With optional EA Series 10kW Auxiliary Electric Heat shown Place auxiliary heat schematic from kit here NOTE 3 1 - Use copper or aluminum conductors.
  • Page 56 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics cont. Aurora Advanced with 5-Speed ECM AXB BOARD Aurora LED Flash Codes 5 SPEED ECM MOTOR LOW VOLTAGE CONNECTIONS SINGLE SPEED Model TAP-1 TAP-2...
  • Page 57 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics cont. Aurora Advanced with 5-Speed ECM MODULATING VALVE AXB BOARD FP1 – 15 F/30 ECM PWM FP2 – 15 F/30 RV – B/O Fault Config ACC –...
  • Page 58 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics cont. Aurora Base with PSC Ext Pump NOTE 9 1/2 hp Total Green/Yellow 208-230/60/1 Compressor Violet(7) Pump Pump Blue Violet(8) Black Circuit Breaker Tan(6)
  • Page 59 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics cont. Aurora Base with PSC cont. Communicating Thermostat To Fossil Fuel R from Fossil Furnace W input Dual Fuel Wiring Diagram Fuel Furnace With optional EA Series 10kW Auxiliary Electric Heat shown...
  • Page 60 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics cont. Aurora Base with ECM and IntelliStart Ext Pump Blue 1/2 hp Total NOTE 7 Green/Yellow 208-230/60/1 Compressor Violet(7) Pump Pump Run Winding IntelliStart...
  • Page 61 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Wiring Schematics cont. Aurora Base with ECM and IntelliStart cont. With optional EA Series 20kW Auxiliary Electric Heat shown Place auxiliary heat schematic from kit here...

  • Page 62: Engineering Guide Specifi Cations

    The compressor shall be double isolation mounted using selected durometer grommets to provide vibration free compressor mounting. Furnish and install GeoStar Water Source Heat Pumps, as indicated on the plans. Equipment shall be completely assembled, The drain pan shall be of plastic construction to inhibit corrosion piped and internally wired.

  • Page 63: Hanger Kit

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Engineering Guide Specifi cations cont. Blower Motor and Assembly access to setup, monitoring, and troubleshooting of any Aurora control. The device shall include the features of ECM airflow setup,...
  • Page 64 Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Engineering Guide Specifi cations cont. Thermostat (field-installed) AlpinePure MERV 13 Filter A multi-stage auto-changeover electronic digital thermostat shall A 2 in. [50 mm] thick MERV 13 filter shall be provided in lieu of the be provided.
  • Page 65 Aston Series 1 - 6 Tons 60Hz The manufacturer works continually to improve its products. As a result, the design and specifi cations of each product at the time of order may be changed without notice. Purchaser’s approval of this data set signifi es that the equipment is acceptable under the provisions of the job specifi...

  • Page 66: Revision Guide

    Aston Series Contractor: P.O.: 1 - 6 Tons 60Hz Engineer: Project Name: Unit Tag: Revision Guide Pages: Description: Date: Nomenclature Update 27 May 2021 Release Aluminum Air Coil Option 1 Sept 2015 Electric Heating Update (Wiring Schematics) 11 June 2015 First Published.

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