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G&D TANDEM SCROLL Series Installation Manual & User Manual

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Summary of Contents for G&D TANDEM SCROLL Series

  • Page 2 SERIES CHILLER MANUAL ©2024 G&D CHILLERS, INC. ALL RIGHTS RESERVED...
  • Page 3 INSTALLATION GUIDE • USER MANUAL SERIES CONTENTS G&D CHILLERS, INC. • GD- -R2022B...

  • Page 5: Contact Information

    I I NSTALLATION GUIDE • USER MANUAL SERIES CONTACT INFORMATION & AFTERHOURS SUPPORT CONTACT INFORMATION AFTERHOURS TECHNICAL SUPPORT INSTALLATION VIDEO LINKS NOTICE: CHILLER WARRANTY REQUIRES ACTIVATION G&D CHILLERS, INC. • GD- -R2022B...

  • Page 6: Inspection Checklist

    RECEIVING YOUR CHILLER INSPECTION CHECKLIST WARNINGS AND NOTICES ATTENTION: Warnings, Cautions and Notices appear at appropriate sections throughout this literature. Read these carefully. WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION: Indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury.
  • Page 7 INSTALLATION GUIDE • USER MANUAL SERIES PACKAGE CHILLER DESCRIPTION CONDENSER REFRIGERANT PIPING AIR COOLED LIQUID COOLED FRAME & HOUSING EVAPORATOR COMPRESSOR POWER & CONTROLS PUMPS RESERVOIR TANK SUPPLY & RETURN PIPING FACTORY TESTING DYNAMIC FLUID BYPASS VALVE G&D CHILLERS, INC. •...

  • Page 8: Installation

    INSTALLATION LOCATION Air cooled Ensure minimum clearance* between condenser intake side and any buildings, walls, etc. No walls or obstructions in front of the unit: Louvered access side must be open to free air. No roofs or overhangs above chiller condenser. Liquid cooled *MINIMUM CLEARANCE REQUIREMENTS (W)

  • Page 9: Installation Requirements And Contractor Responsibilities

    SERIES INSTALLATION REQUIREMENTS AND CONTRACTOR RESPONSIBILITIES FOUNDATION FLUID PIPING RIGGING ELECTRICAL INSULATION INSTALLER-SUPPLIED COMPONENTS CHILLER INSTALLATION - MECHANICAL LOCATION REQUIREMENTS SOUND CONSIDERATIONS FOUNDATION G&D CHILLERS, INC. • GD- -R2022B...
  • Page 10 CLEARANCES PROCESS PIPING CAUTION: PROPER WATER TREATMENT! VALVES AND VENTING CHILLER PIPING COMPONENTS...

  • Page 11: Piping Recommendations

    SERIES PIPING RECOMMENDATIONS Insulate supply and return piping G&D CHILLERS, INC. • GD- -R2022B...

  • Page 13: Electrical Installation

    I I NSTALLATION GUIDE • USER MANUAL SERIES ELECTRICAL INSTALLATION GENERAL RECOMMENDATIONS WARNING: HAZARDOUS VOLTAGE! CAUTION: USE COPPER CONDUCTORS ONLY! Important! SEQUENCE OF OPERATION G&D CHILLERS, INC. • GD- -R2022B...

  • Page 14: Refrigerant Cycle

    CHILLER OPERATING PRINCIPLES GENERAL BASIC COMPONENTS OF A CHILLER UNIT: REFRIGERANT CYCLE...
  • Page 15 SERIES CONTROLLER AND NAVIGATION Set Screens: Info screens: Alarms: GD- -R2022B G&D D CHILLERS, , INC. •...
  • Page 16 1234 25 4 6 ÿ 8 9 2 ÿ 5 21  ÿ G3 9 2 ÿ 5 21  ÿ          ÿ           ÿ        ! ÿ " # ÿ   $ % &   O  ÿ...

  • Page 18: Controls Interface

    CONTROLS INTERFACE MAIN SCREEN SAFETIES UNIT START-UP PROCEDURES POWER UP CAUTION: EQUIPMENT DAMAGE! CAUTION: COMPRESSOR DAMAGE! START UP...

  • Page 19: Pre-Start Checkout

    SERIES PRE-START CHECKOUT CAUTION: COMPRESSOR DAMAGE! CAUTION: PROPER WATER TREATMENT! START-UP: OPTIMIZING REFRIGERANT CONDITIONS G&D CHILLERS, INC. • GD- -R2022B...

  • Page 20: Freeze Protection

    CAUTION: REFRIGERANT! WARNING: HAZARDOUS VOLTAGE! FREEZE PROTECTION NOTICE: Equipment Damage! NORMAL SHUTDOWN...
  • Page 21 10 Easy Steps to Start-up Your New G&D Chiller Vertical Air Chillers: GD-30H, 35H, 40H, 50H, 70H, 100H, 140H, 150H, 160H, 200H Tandem Scroll Chillers: GD-20T, 25T, 30T, 40T, 50T, 65T, 80T, 100T, 120T, 140T Please view install videos online at www.gdchillers.com/installation-videos 1.
  • Page 22 FOLLOWING START-UP OF CHILLER, PLEASE SEND A COPY OF COMPELTED FORM TO G&D TECH SUPPORT...
  • Page 23 SERIES TERA SERVICE G&D CHILLERS, INC. • GD- -R2022B...

  • Page 24: Model Information

    MODEL INFORMATION UNIT DESCRIPTION UNIT NAMEPLATE OVERVIEW NAMEPLATES...

  • Page 25: Compressor Nameplate

    SERIES COMPRESSOR NAMEPLATE COMPRESSOR INFORMATION OIL LEVEL NOTICE: OIL TESTING COMPRESSOR OPERATIONAL PUMP DOWN ELECTRICAL COMPRESSOR FAILURE COMPRESSOR MOTOR MEGGING COMPRESSOR CURRENT IMBALANCE NOTICE: G&D CHILLERS, INC. • GD- -R2022B...

  • Page 26: Refrigerant Piping

    REFRIGERANT PIPING NOTICE: COMPRESSOR ELECTRICAL TERMINAL BOX COMPRESSOR REPLACEMENT...

  • Page 27: Power Supply Wiring

    INSTALLATION GUIDE • USER MANUAL SERIES REFRIGERANT CYCLE DESCRIPTION REFRIGERANT SYSTEM OPEN TIME Remove pressure transducer and cap service ports prior to evacuating system. Transducers will be damaged if placed in vacuum. MECHANICAL COMPRESSOR FAILURE POWER SUPPLY WIRING WARNING: GROUND WIRE! CAUTION: USE COPPER CONDUCTORS ONLY! G&D CHILLERS, INC.

  • Page 28: Unit Voltage Imbalance

    WARNING: HAZARDOUS VOLTAGE! WARNING: LIVE ELECTRICAL COMPONENTS! CAUTION: EQUIPMENT DAMAGE! UNIT VOLTAGE IMBALANCE UNIT VOLTAGE PHASING CAUTION: EQUIPMENT DAMAGE!

  • Page 29: Annual Maintenance

    INSTALLATION GUIDE • USER MANUAL SERIES MAINTENANCE GENERAL WEEKLY/MONTHLY MAINTENANCE Please contact G&D Technical Support 800-555-0973 The following tasks can be performed without the need for specialized equipment or training: WARNING: ANNUAL MAINTENANCE G&D CHILLERS, INC. • GD- -R2022B...
  • Page 30 WARNING: CONDENSER MAINTENANCE EVAPORATOR MAINTENANCE ANCE EVAPORATOR REPLACEMENT WATER STRAINER MAINTENANCE...
  • Page 31 INSTALLATION GUIDE • USER MANUAL SERIES NOTICE: ENVIRONMENTAL CONCERNS! NOTICE: RESPONSIBLE REFRIGERANT PRACTICES! WARNING: REFRIGERANT WARNING INFORMATION! WARNING: PERSONAL PROTECTIVE EQUIPMENT (PPE) REQUIRED! WARNING: LIVE ELECTRICAL COMPONENTS! NOTICE: TRADEMARKS! G&D CHILLERS, INC. • GD- -R2022B...
  • Page 34 PARTS LIST : Quantity Additional Comments:...

  • Page 35: Troubleshooting

    INSTALLATION GUIDE • USER MANUAL SERIES TROUBLESHOOTING COMPLAINT SYMPTOMS CAUSE SOLUTION G&D CHILLERS, INC. • GD- -R2022B...
  • Page 36 TROUBLESHOOTING COMPLAINT SYMPTOMS CAUSE SOLUTION...
  • Page 37 INSTALLATION GUIDE • USER MANUAL SERIES TROUBLESHOOTING COMPLAINT SYMPTOMS CAUSE SOLUTION G&D CHILLERS, INC. • GD- -R2022B...

  • Page 38: Code Description

    CODE DESCRIPTION RESET ACTION DELAY...
  • Page 39 INSTALLATION GUIDE • USER MANUAL SERIES Reset: G&D CHILLERS, INC. • GD- -R2022B...
  • Page 40 4 5 67 8 98 ÿ 7 6 57 ÿ 4  ÿ    ÿ  ÿ    ÿ  ÿ  !  ÿ "   ÿ $ % ÿ &   ' ÿ    ÿ...

  • Page 41: Warranty Statement

    INSTALLATION N GUIDE • USER R MANUAL L SERIES **TO ACTIVATE WARRANTY, FILL OUT STARTUP CHECKLIST AND RETURN WITHIN 30 DAYS** WARRANTY STATEMENT TWO-YEAR LIMITED WARRANTY ON PARTS, ONE-YEAR LIMITED WARRANTY ON LABOR EXCHANGE REPAIR: PARTS AND LABOR REMAINING WARRANTY EXCLUSIONS ASSIGNMENT OF WARRANTIES DISCLAIMER OF WARRANTY...

  • Page 42: Disclaimer Of Liability

    DISCLAIMER OF LIABILITY SEVERABILITY HOW TO OBTAIN WARRANTY SERVICE (PRE-AUTHORIZATION REQUIRED)
  • Page 43 G G &D D CHILLERS, , INC. • GD- -R2022B...

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