Gree ME30-24/E6 Manuel utilisateur

Modbus Gateway(Mini)

model:

ME30-24/E6(M)

To Users

Thank you for selecting Gree’s product. Please read this instruction manual

carefully before installing and using the product, so as to master and correctly use

the product. In order to guide you to correctly install and use our product and

achieve expected operating effect, we hereby instruct as below:

(1) This appliance is not intended for use by persons (including children) with

reduced physical, sensory or mental capabilities, or lack of experience and

knowledge, unless they have been given supervision or instruction concerning

use of the appliance by a person responsibility for their safety. Children should

be supervised to ensure that they do not play with the appliance.

(2) In order to ensure reliability of product, the product may consume some power

under stand-by status for maintaining normal communication of system and

preheating refrigerant and lubricant. If the product is not to be used for long, cut

off the power supply; please energize and preheat the unit in advance before

reusing it.

(3) Please properly select the model according to actual using environment,

otherwise it may impact the using convenience.

(4) This product has gone through strict inspection and operational test before

leaving the factory. In order to avoid damage due to improper disassembly and

inspection, which may impact the normal operation of unit, please do not

disassemble the unit by yourself. You can contact with the special maintenance

center of our company if necessary.

(5) For personal injury or property loss and damage caused by improper operation

such as improper installation and debugging, unnecessary maintenance,

violation of related national laws and rules and industrial standard, and violation

of this instruction manual, etc., we will bear no liability.

(6) When the product is faulted and cannot be operated, please contact with our

maintenance center as soon as possible by providing the following information.

1) Contents of nameplate of product (model, cooling/heating capacity, product

No., ex-factory date).

2) Malfunction status (specify the situations before and after the error occurs).

(7) All the illustrations and information in the instruction manual are only for

reference. In order to make the product better, we will continuously conduct

improvement and innovation. We have the right to make necessary revision to

the product from time to time due to the reason of sales or production, and

reserve the right to revise the contents without further notice.

(8) The final right to interpret for this instruction manual belongs to Gree Electric

Appliances Inc. of Zhuhai.

Contents

1 Safety Notices (Please be sure to abide) ..................................................1

2 User Notice........................................................................................ 1

3 General Functions ............................................................................... 3

4 Composition....................................................................................... 3

5 Detailed Introduction of Modbus Gateway(Mini) ......................................... 4

5.1 Interface ...................................................................................... 4

5.1.1 Interface Function Drawing .......................................................4

5.1.2 Power .................................................................................. 4

5.1.3 Communication Interfaces ........................................................5

5.2 LED Display..................................................................................6

5.3 DIP Switches ................................................................................7

5.3.1 Setting of Address DIP Switch ................................................... 7

5.3.2 Address DIP Switch S1,S2—Address Setting of Modbus

Gateway ....................................................................... 8

5.3.3 The Fourth Switch of Function DIP Switch S3 - Setting of CAN2 Bus

Matched Resistance........................................................9

5.3.4 The Third Switch of Function DIP Switch S3 - Setting of Modbus Bus

Matched Resistance...................................................... 10

5.3.5 The Second Switch of Function DIP Switch S3 - Setting of gateway

starting IDU project number ............................................ 11

6 Application....................................................................................... 12

6.1 Building Management System (BMS) ............................................... 12

6.2 Topological Graph ........................................................................ 13

6.3 Topology Introduction.................................................................... 13

7 Product installation ............................................................................ 15

7.1 Product Dimension and Installation Space of Electric Control

Cabinet ............................................................................ 15

7.1.1 Product Dimension................................................................ 15

7.1.2 Installation Dimension of Electric Control Cabinet ........................ 16

7.2 Communication Connection ........................................................... 17

7.2.1 Material Selection of Communication Cable................................ 18

7.2.2 Communication Connection Way ............................................. 18

7.2.3 Setting of Communication Connection....................................... 22

8 Annex: DIP Address........................................................................... 25

1 Safety Notices (Please be sure to abide)

Warning: If not abide strictly, it may cause severe damage to the

unit or the people.

Note: If not abide strictly, it may cause slight or medium damage to

the unit or the people.

This sign indicates that the operation must be prohibited. Improper

operation may cause severe damage or death to people.

This sign indicates that the items must be observed. Improper

operation may cause damage to people or property.

WARNING!

This product can’t be installed at corrosive, inflammable or explosive

environment or the place with special requirements, such as kitchen. Otherwise, it

will affect the normal operation or shorten the service life of the unit, or even cause

fire hazard or serious injury. As for above special places, please adopt special

product with anti-corrosive or anti-explosion function.

2 User Notice

Dear customer：

Please read this manual carefully prior to installation and operation and strictly

observe all installation and operation instructions covered in the manual.

WARNING！

(1)Installation shall be performed by the qualified personnel; otherwise it would

result in a fire hazard or electric shock.

Modbus Gateway(Mini)

(2)Do not place the plug of the power supply into the socket before it is dried and

cleaned.

(3)Cut off the power supply before touching the electric element.

(4)Do not touch this device with wet hands; otherwise it would result in electric

shock.

(5)Do use the power cable specified in this manual; otherwise it would result in a

fire hazard.

(6)When the power cable is reversely connected or the power supply is beyond

the rated range, it would result in a fire hazard or even damages to this device.

(7)Do install this device inside the electric control cabinet which is located indoor

and then is locked.

(8)Do install this device where it will not be subject to the electromagnetic

interference or heavy dust.

Notice！

(1)Be sure the specified adaptor is used; otherwise this device would work

improperly or even be damaged.

(2)Be sure this device is setup in place; otherwise it would result in

communication fault.

(3)Be sure the communication line is connected to the correct interface; otherwise

it would result in communication fault.

(4)After connection, lines should be protected with insulating tape to avoid

oxidation and short circuits.

Modbus Gateway(Mini)

(5)Normal working conditions for Modbus Gateway(Mini)：

①Temperature : -20 ～+60℃;

②Humidity: less than 85%;

③Location: indoor (it is highly recommended to install this product in the electric

control cabinet), not subject to direct sunlight, rain and snow etc.

(6)Graphics in the instruction manual are for reference only.

3 General Functions

Gree Modbus Gateway(Mini) is intended to realize the data exchange between

the air conditioner and BMS, and provides standard Modbus RTU protocol.

This gateway is applicable for DC Inverter GMV5, Water Source Heat Pump

GMV5, GMV5 Mini, GMV5 Slim and GMV5 Heat Recovery.

4 Composition

The product contains following items：

Modbus Gateway(Mini)

Modbus Gateway(Mini) 1 set

Owner’s Manual 1 set

5 Detailed Introduction of Modbus Gateway(Mini)

5.1 Interface

5.1.1 Interface Function Drawing

5.1.2 Power

The input power is 12V DC, external power supply can be prepared.

Modbus Gateway(Mini)

Note: pay attention to the polarity of power input and connect power according to

the interface instruction.

5.1.3 Communication Interfaces

CAN communication interface: It is connected to air conditioner through two-

core connection wire, to realize communication between Modbus Gateway(Mini)

and air conditioner.

Modbus Gateway(Mini)

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