Carrier GT-G User Manual

50yds, 50ycs, 38wqs series indoor & outdoor split geothermal heating and cooling comfort systems

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GEOTHERMAL SPLIT SYSTEMS
CARRIER
INDOOR & OUTDOOR SPLIT GEOTHERMAL
HEATING AND COOLING COMFORT SYSTEMS
GT-PX INDOOR SPLIT (50YDS) SERIES - SIZES 026-064
GT-G INDOOR SPLIT (50YCS) SERIES - SIZES 018-060
GT-S OUTDOOR SPLIT (38WQS) SERIES - SIZES 018-060

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Summary of Contents for Carrier GT-G

  • Page 1 GEOTHERMAL SPLIT SYSTEMS CARRIER INDOOR & OUTDOOR SPLIT GEOTHERMAL HEATING AND COOLING COMFORT SYSTEMS GT-PX INDOOR SPLIT (50YDS) SERIES - SIZES 026-064 GT-G INDOOR SPLIT (50YCS) SERIES - SIZES 018-060 GT-S OUTDOOR SPLIT (38WQS) SERIES - SIZES 018-060...
  • Page 3: Table Of Contents

    GT-PX Indoor Split (50YDS) Series Introduction ... 4 GT-PX Indoor Split (50YDS) Series Features & Benefi ts ... 5 GT-G Split Indoor (50YCS) Series Features & Benefi ts ... 8 GT-S Outdoor Split (38WQS) Series Introduction ... 10 GT-S Outdoor Split (38WQS) Series Features & Benefi ts ... 12 ARI/ISO/ASHRAE 13256-1 Data ...
  • Page 4: Geothermal Advantages

    En vi ron men tal Pro tec tion Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Agency (EPA) and the De part ment of Energy (DOE). Because it is lowest in CO...
  • Page 5: Loop Systems

    In ideal con di tions, an open loop ap pli ca tion can be the most eco nom i cal type of system to install. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Indoor & Outdoor Split...
  • Page 6: Gt-Px Indoor Split (50Yds) Series Introduction

    This eliminates uneven peaks and valleys Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 and allows for steady cooling comfort. Homeowners now have a better, more effi cient way to power their heating and cooling system, raising their level of comfort, while lowering energy bills.
  • Page 7: Gt-Px Indoor Split (50Yds) Series Features & Benefi Ts

    Our IPCS system: - Verifi es that the correct components are being assembled. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Two-Stage Indoor Split Puron Systems ®...
  • Page 8 • Closed loop Flow Controller. • Electronic auto-changeover thermostat with 3- stage heat, 2-stage cool and indicator LED’s. • Hose kits. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Advanced Unit Controls With Easy Diagnostics And Unit Protection Sentinel Functions...
  • Page 9 Fully Insulated Installed Hot Water Water and Genorator With Refrigerant Lines Internal Pump Low Profi le Control Box Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Two-Stage Indoor Split Puron Systems ® Brass Swivel Water Connections Backseating Brass...
  • Page 10: Gt-G Split Indoor (50Ycs) Series Features & Benefi Ts

    • LED Fault and status indication with memory for easy diagnostics. • Designed for front-access service in tight ap pli ca tions. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 • High and low pressure service ports in the refrigerant circuit.
  • Page 11 Stackable Cabinet Digital Controls Copeland Scroll Compressors Easy Service Access From Three Sides 1” Brass Swivel Water Connections Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Single-Stage Indoor Split R22 Systems Fully Insulated Water and Refrigerant Lines...
  • Page 12: Gt-S Outdoor Split (38Wqs) Series Introduction

    3 times larger than the new construction market). Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 In new construction, the GT-S offers many benefi ts over packaged geothermal units: The fl uid loop is kept outside, which keeps large diameter piping, fl...
  • Page 13 Its effi ciency and application fl exibility make it the “Paradigm” of geothermal heat pumps. Air Handler TXV “IN” toward outdoor condensing unit Fossil Furnace Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Single-Stage Outdoor Split R22 Systems TXV “IN” toward outdoor condensing Unit...
  • Page 14: Gt-S Outdoor Split (38Wqs) Series Features & Benefi Ts

    • LED Fault and status indication with memory for easy diagnostics. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 • High and low pressure service ports in the refrigerant circuit. • Refrigerant sensing freeze protection for more accurate low temperature cut-out.
  • Page 15 Heavy Gauge Steel Insulated Weather Resistant Cabinet Integral Carrying Handles Internally Mounted Flow Controller Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Single-Stage Outdoor Split R22 Systems Copeland Scroll Compressor (Rotary in 018) Digital Controls Hot Water...
  • Page 16: Ari/Iso/Ashrae 13256-1 Data

    Cooling capacities based upon 80.6°F DB, 66.2°F WB entering air temperature. Heating capacities based upon 68°F DB, 59°F WB entering air temperature. All ratings based upon 208V operation. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Ground Water Heat Pump Heating 68°F Cooling 59°F...
  • Page 17 9,349 14,156 12,925 11,079 15,387 13,921 12,309 21,307 16,940 16,735 Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Indoor & Outdoor Split Geothermal Comfort Systems Ground Loop Heat Pump Cooling 77°F Heating 32°F Capacity Capacity Btuh Btuh/W...
  • Page 18: Model Nomenclature

    YCS = INDOOR SPLIT SYSTEM CONDENSING UNIT SIZE: AIRFLOW CONFIGURATION: OPTION WQS = OUDOOR SPLIT SYSTEM CONDENSING UNIT Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 UNIT SIZES 018 thru 060 RETURN DISCHARGE FILTER HEAT EXCHANGER OPTIONS: NONE...
  • Page 19: Reference Calculations & Legend

    0.624 0.812 1.000 1.012 0.697 0.820 1.024 0.637 " Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Indoor & Outdoor Split Geothermal Comfort Systems LC = TC - SC S/T = Power Heat of 80.6 1.240 0.983 1.125...
  • Page 20: Gt-Px Performance Correction Factors

    Sensible capacity equals total capacity (no latent capacity) at conditions shown as " ARI/ISO/ASHRAE 13256-1 uses entering air conditions of Clg- 80.6°F DB/66.2°F WB and Htg- 68°F DB/59°F WB Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Performance Correction Factors...
  • Page 21: Gt-Px Performance Data

    19.9 13.2 10.5 1.82 19.5 13.5 11.2 1.85 19.9 Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Two-Stage Indoor Split Puron Systems ® Performance capacities shown in thousands of Btuh Heating - EAT 70°F COP HWC 10.9 1.17...
  • Page 22 See performance correction tables for operating conditions other than those listed above. “-” HWG operation is limited by a discharge temperature switch. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 50YDS026 Full Load With FV4003 Cooling - EAT 80/67°F...
  • Page 23 28.2 19.6 16.5 2.35 27.7 20.0 17.7 2.39 28.2 Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Two-Stage Indoor Split Puron Systems ® Performance capacities shown in thousands of Btuh Heating - EAT 70°F COP HWC 16.5 1.64...
  • Page 24 See performance correction tables for operating conditions other than those listed above. “-” HWG operation is limited by a discharge temperature switch. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 50YDS038 Full Load With FV4005 Cooling - EAT 80/67°F...
  • Page 25 35.5 24.2 21.4 3.12 34.9 24.7 22.9 3.18 35.6 Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Two-Stage Indoor Split Puron Systems ® Performance capacities shown in thousands of Btuh Heating - EAT 70°F COP HWC 22.3 2.16...
  • Page 26 See performance correction tables for operating conditions other than those listed above. “-” HWG operation is limited by a discharge temperature switch. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 50YDS049 Full Load With FV4006 Cooling - EAT 80/67°F...
  • Page 27 47.4 31.8 25.0 4.29 46.4 32.4 26.8 4.37 47.3 Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Two-Stage Indoor Split Puron Systems ® Performance capacities shown in thousands of Btuh Heating - EAT 70°F COP HWC 28.6 2.93...
  • Page 28 See performance correction tables for operating conditions other than those listed above. “-” HWG operation is limited by a discharge temperature switch. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 50YDS064 Full Load With FV4006 Cooling - EAT 80/67°F...
  • Page 29: Gt-Gs/Gt-S Performance Data

    Indoor & Outdoor Split 50YCS018 / 38WQS018 With GAH018 Geothermal Comfort Systems ° ° ° ° ° ° ° Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05...
  • Page 30 Carrier 50YCS024 / 38WQS024 With GAH024 ° ° ° ° ° ° ° Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05...
  • Page 31 Indoor & Outdoor Split 50YCS030 / 38WQS030 With GAH030 Geothermal Comfort Systems ° ° ° ° ° ° ° Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05...
  • Page 32 Carrier 50YCS036 / 38WQS036 With GAH036 ° ° ° ° ° ° ° Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05...
  • Page 33 Indoor & Outdoor Split 50YCS042 / 38WQS042 With GAH042 Geothermal Comfort Systems ° ° ° ° ° ° ° Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05...
  • Page 34 Carrier 50YCS048 / 38WQS048 With GAH048 ° ° ° ° ° ° ° Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05...
  • Page 35 Indoor & Outdoor Split 50YCS060 / 38WQS060 With GAH060 Geothermal Comfort Systems ° ° ° ° ° ° ° Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05...
  • Page 36: Physical Data

    All units have spring compressor mountings, TXV expansion devices, weather resistant cabinet, and 1/2” [12.2mm] & 3/4” [19.1mm] electrical knockouts. Hot Water Generator with factory installed hot gas service ports. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Copeland UltraTech Two-Stage Scroll 104 [2.95]...
  • Page 37: Gt-Px Dimensional Data

    48.0 HWG Out HWG In 1-1/8" [28.6mm] Knockout Water Out Suction Liq. Line Front View Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Indoor & Outdoor Split Geothermal Comfort Systems Electrical Knockouts Liquid 18.5 13.0 15.5 21.8 21.3...
  • Page 38: Gt-Gs Dimensional Data

    [54.1] [77.7] 3/4" HV 3/4" HV Knockout Knockout 1/2" LV 1/2" LV Knockout Knockout Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Water Connections Swivel HWG In HWG Out 13.9 16.9 1" [6.1] [13.7] [35.3] [42.9] 13.9 16.9...
  • Page 39: Gt-S Dimensional Data

    Indoor & Outdoor Split GT-S Dimensional Data Geothermal Comfort Systems GT-S (38WQS) Dimensional Data [83.8cm] [55.9cm] [66.0cm] Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05...
  • Page 40: Electrical Data

    109.0 28.9 169.0 Rated Voltage of 208/230/60/1 HACR circuit breaker in USA only Wire length based on one way measurement with 2% voltage drop Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 External Total Pump Pump Unit 14.7...
  • Page 41: Thermostat Wiring

    CXM board. A wire nut connection is required between the compressor solenoid valve and N.I.M. 2. Y2 connection on N.I.M. is not used for single stage units. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Indoor & Outdoor Split Geothermal Comfort Systems...
  • Page 42: Cxm Control Features

    DIP switch 2: Stage 2 Selection - provides selection of whether compressor has an “on” delay. If set to stage Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 CXM Controls 2, the compressor will have a 3 second delay before energizing.
  • Page 43 The compressor is on in the heating mode and the FP2 sensor is colder than the FP1 sensor. Swapped FP1/FP2 thermistor code = 9. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Indoor & Outdoor Split...
  • Page 44: Unit Operation

    Stage 2 = compressor, 2nd stage fan operation, reversing valve Stage 1 = compressor, fan Stage 2 = compressor, auxiliary electric heat, fan Cooling = compressor, fan, reversing valve Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 GT-PX GT-GS / GT-S GSS/PDW...
  • Page 45: Typical Wiring Diagram - Gt-Px Units

    Indoor & Outdoor Split GT-PX Split Wiring Diagram Geothermal Comfort Systems Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05...
  • Page 46: Typical Wiring Diagram - Gt-Gs Units

    Carrier GT-GS Split Wiring Diagram Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05...
  • Page 47: Typical Wiring Diagram - Gt-S Units

    Indoor & Outdoor Split GT-S Split Wiring Diagram Geothermal Comfort Systems Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05...
  • Page 48: Equipment Selection

    CFM Adjust: Nom Fan Motor Type - HP ECM - 1/2 Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Indoor Coil Selection - GT-PX (50YDS) Puron® Geothermal Split System Geothermal split system heat pumps are rated in the ARI directory with a specifi...
  • Page 49 37.0 - 42.5 1400 42.2 - 48.5 1600 50.0 - 57.5 2000 58.0 - 66.7 Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Indoor & Outdoor Split Geothermal Comfort Systems Add-on CK5P FX4 PSC Coil with TXV Fan Coil...
  • Page 50 • If life expectancy of indoor coil (and associated components - fan, cabinet, etc.) is less than 7-10 years, indoor section should be replaced. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Equipment Selection...
  • Page 51: Engineering Guides

    fi eld connections. A thread by sweat fi tting shall be provided for connection to the water heater. All water piping shall be insulated to prevent condensation at low liquid temperatures. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Two-Stage Indoor Split Puron Systems...
  • Page 52 Air coil con nec tions shall be made through brass backseating service valves with built-in Schrader ports. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 GT-GS Indoor Split (50YCS) Series Electrical CXM Control - A microprocessor-based compressor controller (CXM) shall be provided to monitor and control unit operation.
  • Page 53 Supply and return water connections shall be 1-1/4" MPT fi ttings. All water piping shall be insulated to prevent con den sa tion at low liquid temperatures. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 R22 Systems...
  • Page 54: Accessories, Options, & Warranty

    Hose clamps shall be used to connect the hose to the brass elbows and Flow Controller. Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05 Cooling TXV Kit (fi eld installed) - R-22 GT-GS & GT-S units only A cooling ther mo stat ic expansion valve kit shall be provided to be fi...
  • Page 56 Fax: 405-745-6620 Carrier works continually to improve its products. As a result, the design and specifi cations of each product at the time for order may be changed without notice and may not be as described herein. Please contact Carrier’s Customer Service Department at 1-405-745-2920 for specifi c information on the current design and spec i fi ca tions.

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