GMK110 - Electric meter Goodwe - Free user manual and instructions

USER MANUAL GMK110 Goodwe

• The information in this quick installation guide is subject to change due to product updates or other reasons. All descriptions here are for guidance only.
• Before installations, read through the quick installation guide.
• All operations should be performed by trained and knowledgeable technicians who are familiar with local standards and safety regulations.
• Check the deliverables for correct model, complete contents, and intact appearance. Contact the manufacturer if any damage is found or any component is missing.
• 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

• Make sure that the device is powered off before any operations.
• Ensure the cables are connected tightly, securely, and correctly. Inappropriate wiring may cause poor contact or damage the device.
• No operations while the meter is powered on. Otherwise, it will cause personal injury or damage to the meter. Additional circuit breakers are recommended on the voltage input side of the meter.
• If the voltage of the power grid fluctuates, resulting in the voltage to exceed 265V, in this case, long-term overvoltage operation may cause damage to the meter. It is recommended to add a fuse with a rated current of 0.5A on the voltage input side of the meter to protect it.
• In areas at risk of lightning, if the device cable exceeds 10m and wired without grounded metal conduits, you are recommended to use an external lightning protection device.
• The ingress protection rating of the smart meter is IP20, which is suitable to be installed indoors or inside of the distribution box. For outdoor installation, prepare a waterproof cover (by yourself) to protect the smart meter. Otherwise it will cause damage to the equipment, which is beyond the manufacturer's liability.
• Warning labels on the smart meter are as follows.

	High voltage hazard. Power off the smart meter first before any operations.		Potential risks exist. Wear proper PPE before any operations.
	Read through the guide before any operations.		Equipment protected throughout by DOUBLE INSULATION or REINFORCED INSULATION.

	RCM marking. Do not dispose of the product	as household waste. Discard the product in compliance with local laws and regulations, or send it back to the manufacturer.
CE	CE marking. NA NA

Check before Power-on

No. Check Item
1	The product is firmly installed at a clean place that is well-ventilated and easy-to-operate.
2	The input power cables, CT Cables, and communication cables are connected correctly and securely.
3	Cable ties are intact, routed properly and evenly.

Storage

If the equipment is not to be installed or used immediately, please ensure that the storage environment meets the following requirements:

• Do not unpack the outer package or throw the desiccant away.
• Store the equipment in a clean place. Make sure the temperature and humidity are appropriate and no condensation.
• If the smart meter has been long term stored, it should be checked by professionals before being put into use.

02 EU Declaration of Conformity

The module sold in the European market meets the following directives and requirements:

• Electromagnetic compatibility Directive 2014/30/EU (EMC)
• Electrical Apparatus Low Voltage Directive 2014/35/EU (LVD)
• Restrictions of Hazardous Substances Directive 2011/65/EU and (EU) 2015/863 (RoHS)
• Waste Electrical and Electronic Equipment 2012/19/EU
• Registration, Evaluation, Authorization and Restriction of Chemicals (EC) No 1907/2006 (REACH)

You can download the EU Declaration of Conformity on https://en.goodwe.com.

03 Technical Parameters

Model GMK110 GMK110D
Input	Grid Single-phase
	Voltage	Nominal Voltage-Line to N (Vac)	230
		Voltage Range (Vac) 85	288
		Nominal AC Grid Frequency (Hz)	50/60
	Current	Current Transformer Ratio	120A: 40mA
		Number of Current Transformers	1	2
Communication RS485
Communication Distance (m) 1000
User interface 2 LED
Accuracy	Voltage/Current Class 1
	Active Energy Class 1
	Reactive Energy Class 2
Power Consumption (W) ≤5
Structural Parameters	Dimensions (W×H×D mm) 19×85×6
	Weight (g) 50
	Mounting		DIN rail
Environment Parameters	Ingress Protection Rating		IP20
	Operating Temperature Range (℃)		-30~+60
	Storage Temperature Range (℃)		-30~+70
	Relative Humidity (non-condensing)		0%~95%
	Max. Operating Altitude (m)		3000

NOTE

The smart meter is mainly used for power control at the grid-connection point. The measured energy yield and electricity consumption are for reference only and cannot be used as a basis for calculating electricity fees. Electricity fee measurement is subject to the meter provided by the grid company.

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Front View Side view

Bottom view

GMK110:CT1+/CT1-
GMK110D:CT1+/CT1-,CT2+/CT2-

CT

05 Installation

Packing List

Smart Meter × 1^[1]

RS485 Communication Terminal x 1

AC Terminal x 1

PIN Terminal x 4

Screwdriver x 1 Documents x 1

Installation and Cable Connection

[1]. GMK110: CT × 1; GMK110D: CT × 2.

Type	Conductor cross-sectional area
RS485 communication cable 0.3mm2-2mm2
AC cable 1mm	2(17AWG)

06 Wiring System

GMK110

• Recommended cable connected to the voltage input terminal: 1mm^2 (17AWG).
  CT direction: House (K)-->Grid (L).

GMK110D

• Recommended cable connected to the voltage input terminal: 1mm^2 (17AWG).
  CT direction: House (K)-->Grid (L).

07 Commissioning

Power ON

Step 1 Connect the smart meter cables.
Step 2 Power on the inverter and ensure it is working properly.
Step 3(Optional) Turn off the circuit breaker on the voltage input side of the meter.

Indicator

Type Status Description
Steady on Power on.
Off Power off.
Blinking Comm unication is OK.
Off Abnormal or Failed Communication.

GoodWe Technologies Co., Ltd.