Goodwe GMK120 Quick Installation Manual
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Goodwe GMK120 Quick Installation Manual

Smart meter
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Quick Installation Guide
Smart Meter
(GMK120
|
GMK140
|
GM330)
V1.0-2022-09-15

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Summary of Contents for Goodwe GMK120

  • Page 1 Quick Installation Guide Smart Meter (GMK120 GMK140 GM330) V1.0-2022-09-15...

  • Page 2: General Safety

    Strictly follow the installation, operation, and configuration instructions in this guide and user manual. The manufacturer shall not be liable for equipment damage or personal injury if you do not follow the instructions. For more warranty details, please visit https://en.goodwe.com/warranty. Safety Disclaimer WARNING •...

  • Page 3: Personal Requirements

    Personal Requirements NOTICE • Personnel who install or maintain the equipment must be strictly trained, learn about safety precautions and correct operations. • Only qualified professionals or trained personnel are allowed to install, operate, maintain, and replace the equipment or parts. Check before Power-on Check Item The product is firmly installed at a clean place that is well-ventilated and easy-...

  • Page 4: Federal Communications Commission (Fcc) Interference Statement

    Federal Communications Commission (FCC) Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

  • Page 5: Product Introduction

    Product Introduction GMK120 Top view Bottom view L3(Reserved) Front View Side view Reset Button Indicators...
  • Page 6 GMK140 Top view Bottom view L3(Reserved) Front View Side view Reset Button Indicators...
  • Page 7 GM330 Top view Bottom view Side view Front View Reset Button Indicators...
  • Page 8 Waterproof box CT direction:House-->Grid...

  • Page 9: Wiring System

    Wiring System GMK120 NOTE • Recommended cross-sectional area of the smart meter input power cable: (18AWG). • CT direction: House-->Grid. • You are recommended to add fuses with a rated current of 0.5A to L1and L2 on the meter side.
  • Page 10 GMK140 NOTE • Recommended cross-sectional area of the smart meter input power cable: (18AWG). • CT direction: House-->Grid. • You are recommended to add fuses with a rated current of 0.5A to L1and L2 on the meter side. • To ensure the correctness of the monitoring data, connect CT1, CT3 to L1, CT2, CT4 to L2.
  • Page 11 GM330 NOTE • Recommended cross-sectional area of the smart meter input power cable: (18AWG). • Customers need to prepare CT and CT cables. Certified CTs are recommended. Recommended cross-sectional area of the CT cable: 1.6mm (15AWG). • CT direction: House-->Grid. •...

  • Page 12: Installation

    The model of the smart meter differs, but the installation and cable connection steps are the same.In this guide, the GM330 is used as an example to illustrate the installation steps. • Connect CT1+, CT1-, CT2+, and CT2- only when connecting cables of GMK120 or GMK140. CT3+ and CT3- are reserved.
  • Page 13 Installing the rail Model Tightening torque for RS485 terminals GMK120 0.2N·m GMK140 0.2N·m GM330 0.5N·m Installing the waterproof box NOTE • You are recommended to remove the cable hole cover using a screwdriver and a rubber hammer. Do not damage the smart meter when removing the cover.
  • Page 16 Commissioning Power ON Step 1 Connect the smart meter cables. Step 2 Turn on the breaker on the voltage input side. Then the smart meter is powered on. Indicator Type Status Description Steady on Power on, no RS485 communication. Blinking Power on, RS485 communication works properly.

  • Page 17: Maintenance

    Maintenance DANGER INSTRUCTIONS PERTAINING TO A RISK OF FIRE OR ELECTRIC SHOCK Power off the smart meter before operations and maintenance. Otherwise, the smart meter may be damaged or electric shocks may occur. Power OFF Turn off the breaker on the voltage input side. Then the smart meter is powered off. WARNING •...

  • Page 18: Technical Parameters

    Technical Parameters Model GMK120 GMK140 GM330 Technical parameters Single-phase(L/N ≤ 265Vac) Split-phase(L/N≤ 265Vac) Three-phase(3- Three-phase(3-wire,L/L≤ wire,L/L ≤ 576Vac) Grid 265Vac) Three-phase(4- Three-phase(4-wire,L/N≤ wire,L/N ≤ 520Vac) 265Vac) Input Frequency 50/60Hz Rated voltage 208V, 120V / 240V 277V/480V Voltage Voltage range 0.88Un-1.1Un...
  • Page 19 Official Website GoodWe Technologies Co., Ltd. No. 90 Zijin Rd., New District, Suzhou, 215011, China www.goodwe.com service@goodwe.com 340-00732-02 Local Contacts...

This manual is also suitable for:

Gmk140Gm330

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