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Gree GWHD(18)ND3CO - User Manual

Gree GWHD(18)ND3CO
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DUCTLESS INVERTER
HEAT PUMP
INSTALLATION MANUAL
Models:
GWHD(18)ND3CO
GWHD(24)ND3CO
GWHD(30)ND3CO
GWHD(36)ND3AO
GWHD(42)ND3AO

Other manuals for Gree GWHD(18)ND3CO

Questions and Answers

  • N
    Nina MaddenAug 1, 2025
    What to do if there is a communication error in my Gree GWHD(18)ND3CO Heat Pump?
    • V
      Vanessa SinghAug 1, 2025
      A communication error in your Gree Heat Pump usually means there's a wiring issue or a failure in communication between the indoor and outdoor units. Check the wiring between these units to ensure everything is correctly connected.
  • N
    Nancy OchoaAug 6, 2025
    Why does my Gree GWHD(18)ND3CO show a High Current Protection error?
    • J
      joseph24Aug 7, 2025
      If your Gree Heat Pump is showing High Current Protection, it means the power supply is unstable and the voltage range is too large. You should check the power supply to ensure it is stable and within the correct voltage range.
  • R
    Robert SmithAug 12, 2025
    What does Indoor fan Malfunction mean on my Gree Heat Pump?
    • L
      Luke FloresAug 12, 2025
      If your Gree Heat Pump is showing Indoor fan Malfunction, it is due to Indoor Fan Stopped or Running too Slow.
  • M
    Michael GarzaAug 19, 2025
    What causes a 4-Way Valve Malfunction in my Gree GWHD(18)ND3CO?
    • N
      Nicholas McdowellSep 12, 2025
      A 4-Way Valve Malfunction in your Gree Heat Pump can be caused by a bad connection, solenoid failure, or valve malfunction. Check these components to identify the source of the problem.
  • E
    erica74Aug 25, 2025
    What does Indoor/Outdoor Mismatch mean on my Gree Heat Pump?
    • J
      Jennifer DillonAug 26, 2025
      If your Gree Heat Pump is showing Indoor/Outdoor Mismatch, it is due to Indoor and Outdoor Units Unmatched (Model or Capacity).

Summary

SAFETY PRECAUTIONS

General Safety Warnings

Emphasizes hazards and need for qualified personnel.

SAFETY PRECAUTIONS (Continuation)

Electrical Shock Hazard Warning

Warns about electrical hazards and disconnect procedures.

INSTALLATION SITE INSTRUCTIONS

SYSTEM REQUIREMENTS

Piping Requirements

Specifies pipe sizes for indoor and outdoor units.

Refrigerant Pipe Lengths

Provides maximum allowable pipe lengths for system performance.

Refrigerant Charge Specifications

Details refrigerant type and charge amounts.

Electrical Requirements

Outlines voltage, circuit breaker, and wire size needs.

INSTALLATION SITE INSTRUCTIONS (Continuation)

INSTALLATION OF INDOOR UNIT

Piping Design and Layout Planning

Planning refrigerant pipe routing for system reliability.

INSTALLATION OF INDOOR UNIT (Continuation)

Piping Height Requirements

Specifies maximum vertical height limits for piping.

Mounting Bracket Installation Procedure

Steps to securely attach the mounting bracket to the wall.

Drilling Wall Holes for Connections

Instructions for drilling and preparing wall penetrations.

Pipe Length Limitations

Details maximum equivalent and total pipe lengths.

OUTDOOR UNIT PREPARATION

INSTALLATION OF REFRIGERANT PIPING

INSTALLATION OF REFRIGERANT PIPING (Continuation)

INSTALLATION OF POWER AND WIRING

INSTALLATION OF POWER AND WIRING (Continuation)

VACUUM TESTING

System Vacuum and Charge

Guide for evacuating and charging the system.

VACUUM TESTING (Continuation)

START-UP

START-UP (Continuation)

TROUBLESHOOTING

Gree GWHD(18)ND3CO Specifications

General IconGeneral
TypeHeat Pump
RefrigerantR410A
Voltage220-240V
Net Weight (Indoor Unit)12 kg
Frequency50 Hz
Power SupplySingle Phase
Noise Level (Outdoor)52 dB

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