Gree GMV5 Series User manual

Gree Intelligent Remote System
Service Manual

Safety Notices
Dear users:
Before installation and operation, please read this manual carefully, and install and operate
the unit according to the procedures specified in the instruction manual. Please pay attention to the
meaning of the marks as below:
Warning
This sign indicates that improper operation may cause damage death to people or severe
damage.
Notice
This sign indicates that improper operation may cause damage to the unit.
Warning
1. Be sure to ask professional person to install the unit. Improper installation may result in fire
or electric shock.
2. Confirm the power plug is dry after cleaning before inserting it into the socket.
3. Before touch the electrical components, please make sure that the unit is disconnected with
the power.
4. Do not touch this unit with wet hands; otherwise, it may cause electric shock.
5. Be sure to use the power cord with specified specifications. Poor contact or improper
installation may result in a fire.
6. Power cord is connected reversely or input power is beyond the allowable range, it may lead
to fire, and cause damage to the device.
7. Please be sure to install this unit at the indoor locked electrical control cabinet which is
difficult to reach.
8. Please install the unit at the place where is not affected by electromagnetic interference or
there’s no dust.
Notice
1. Please make sure the specification of the power adapter; otherwise, the unit will not work
properly or even be damaged.
2. Make sure that the device is assembled at the right place; otherwise it will cause

communication failures.
3. Make sure that the communication lines are connected to the correct interface; otherwise it
will cause communication failures.
4. Once wires are connected, protect them with insulating tapes to prevent lest oxidation and
short circuit.
5. The normal working environmental requirements of the Controller:
（1）temperature: - 20 ~ + 60 ℃.
（2）the humidity is less than or equal to 85% ,except frosting.
（3）installed in indoor electrical control cabinet, avoid direct sunlight, rain, snow and so on.

Content
1 Summary..............................................................................................................................1
1.1 Components....................................................................................................................1
1.2 Network Topological Diagram.........................................................................................1
2 Details of Gree Intelligent Remote System.......................................................................1
2.1 Controller ........................................................................................................................3
2.2 Router.............................................................................................................................7
2.3 Intelligent Remote Eudemon...........................................................................................7
3 Product Installation.............................................................................................................8
3.1 Controller Dimensions and Installation Dimensions for Electric Control Cabinet............8
3.2 Installation and Configuration of Router..........................................................................9
3.3 Installation of Intelligent Remote Eudemon ..................................................................10
3.4 Communication Connection..........................................................................................10
3.5 Communication Connection Configuration ...................................................................12
4 Product Debugging Instruction .......................................................................................13
4.1 Debugging of Air Conditioner........................................................................................13
4.2 Debugging of Controller................................................................................................14
4.3 Debugging of Software .................................................................................................17
Appendix A: COMMON TROUBLESHOOTING OF INTELLIGENT REMOTE EUDEMON
SYSTEM.................................................................................................................................18
Appendix B: TCP/IP Setting ................................................................................................19

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1 Summary
Intelligent Remote Eudemon System is composed of Intelligent Remote Eudemon and
Intelligent Controller, to realize the intelligent remote Eudemon system to monitor and control VRF.
Through Intelligent Remote Eudemon System, it can conduct data collection, monitor and
control to the operation status of GMV air conditioner in long distance and timely give an alarm
once malfunction occur. The air conditioning maintenance staffs do not need to conduct setting and
management to every unit on site in person, instead, they can check the operation status, start and
operation, and have temperature setting of building air conditioning system by just sitting in front of
the computer, which not only greatly enhances work efficiency, but also decreases human cost and
lower management cost.
Detailed models applicable for this system include: GMV5(3PH), GMV5C(3PH), GMV5
MAX(3PH), GMV5 HR(3PH), GMV5 SLIM(3PH), GMV5 MINI(3PH),GMV6.
1.1 Components
This system shall use the components as shown below. Please check before installation.
Component name Quantity Availability
Intelligent Remote Eudemon 1 set Standard
Router Several Self-equipped
ME20-24/D1(T) Several Standard
1.2 Network Topological Diagram
One set of Gree Intelligent Remote System consists of one Intelligent Remote Eudemon
(computer software), 32 controllers in maximum. One controller can be connected to 32 systems
and 255 indoor units in maximum. User can determine the number of controller in a Remote system
according to the number of units in a project.
Network Topological Structure of Gree Intelligent Remote System is as follows:
Instructions of network topological diagram:

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Fig. 1.1 Network topology
topological graph statement:
CAN2 bus network: L1 shown in Fig. 1.1 is CAN2 bus, which consists of controller and master
outdoor unit of system; one CAN2 network can connect to 16 sets of outdoor units and 255 sets of
indoor units. When the quantity of outdoor units exceeds 16 or the quantity of indoor units exceeds
255, it should be divided into two CAN2 networks.
CAN1 bus network: L2 shown in Fig. 1.1 is CAN1 bus, which consists of network and all the
outdoor units and indoor units of system; one CAN1 network can connect to 80 sets of indoor units
at most.
Network table: L3 shown in Fig. 1.1 is general network cable, the controller can connect to

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Intelligent Remote Eudemon via the network cable.
System: one system consists of one set of outdoor units (one set of outdoor unit is a module
set, can consist 1~4 modules, that is, 1~4 sets of outdoor units) and its indoor units.
Quantity of units can be connected to Intelligent Controller: one Intelligent Controller supports
one CAN2 network, can connect to 16 sets of systems or 255 sets of indoor units.
Note: L3 in Fig. 1.1 is standard netting twine, L1 and L2 are twisted-pairs.
2 Details of Gree Intelligent Remote System
2.1 Controller
2.1.1 Diagram of Ports
Fig. 2.1 Schematic of interfaces
2.1.2 Power Supply
The input power supply is 24V DC, there are two power supply input interfaces, only one is
needed during operation; the power supply output is not applicable in this device, please do not
connect to electric appliance, otherwise it may cause malfunction of Controller.

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2.1.3 Communication Port
CAN communication port: Connect to air conditioners via two-core communication cable to
obtain data from air conditioners.
RS485-1 communication port: currently not available for this device.
RS485-2 communication port: currently not available for this device.
USB, DEBUG, MICRO SD card ports: currently not available for this device.
Ethernet port ETH0: Connect via network cable to the computer that is installed with
Intelligent Remote Eudemon.
Ethernet port CONFIG: currently not available for this device.
2.1.4 LED
As shown in the picture below, open the black transparent front panel.
Fig 2.2 Schematic diagram of opening the black transparent board
Indicators, buttons and DIP switch are as shown below.

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CAN RX When data is received, this LED indicator will be flickering.
TX When data is sent, this LED indicator will be flickering.
RS485-1 RX currently not available for this device.
TX currently not available for this device.
RS485-2 RX This LED display is not applicable to this device.
TX This LED display is not applicable to this device.
STAT If power supply of controller is normal, this indicator will be on.
BEAT If controller is operating normally, this indicator will be flickering.
BACKUP This LED display is not applicable to this device.
2.1.5 Button
SHT/DWN When the fourth digit of DIP switch code is “1”, hold the button for 5s and all
indicators will be on. Reset the Controller controller.
BACKUP Not use this button for this device temporarily.
2.1.6 DIP Switch
※Before using this device, set the DIP switch first. otherwise the device will not work.
Controller DIP switch code setting area is composed of function DIP switch code.
2.1.6.1 Diagram of DIP Switch
2.1.6.2 The 1st Lever of Functional DIP Switch—CAN2 Bus Matched Resistance
Setting
The master outdoor unit or controller at the beginning or ending place of CAN2 bus must be
set with matched resistance. otherwise communication will not work!
※CAN2 bus: please refer to 1.2 Network Topological Diagram for its specific meaning.

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The 1st lever of the functional DIP switch is used for setting matched resistance for controller
in CAN2 bus.
If controller is at the beginning / ending place of CAN2 bus, it should be set with matched
resistance, which means the 1st lever should be switched to 1.
If the controller is not at the beginning / ending place of CAN2 bus, it should be set without
matched resistance, which means the 1st lever should be switched to 0.
Fig. 2.3 Controller access CAN2 network matching resistance setting
n refers to the number of outdoor systems, n≤16.
Diagram of Matched Resistance DIP Switch:
Fig. 2.4 Schematic of dial code
2.1.6.3 The 4th Lever of Functional DIP Switch—Controller Reset Selection Bits
When there’s an error in configuring Controller IP address, subnet mask, default Controller,

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Controller name or Controller ID from the webpage, and the webpage can’t be accessed, user can
reset the Controller to restore factory default information. Dial the fourth digit of the DIP switch code
to “1”, hold SHT/DWN button for 5s to restore the default information of factory setting of the
Controller.
2.2 Router
In Gree Intelligent Remote System, router is necessary to realize the communication between
controller and computer software, so as to ensure normal operation of Gree Intelligent Remote
System.
2.2.1 Selection of Router
The router shall be selected according to the situation of the project. It shall be made by a well-
known brand with high reliability. The router must have DHCP function and can be configured and
bound into MAC address. Controller and the computer that is installed with Intelligent Remote
Eudemon must be connected to router’s LAN ports. Detailed specifications are as follows:
（1）Router type: Enterprise router, industrial router;
（2）Supported protocol (includes but not limited to): TCP/IP, DHCP, ICMP, HTTP, UpnP;
（3）Quantity of LAN port: Purchased according to actual demands;
（4）Transmission rate: ≥100Mbps;
（5）Supported quantity of user: More than 16 sets;
（6）Configuration way: WEB management.
2.3 Intelligent Remote Eudemon
For more details, please refer to the user’s manual of Intelligent Remote Eudemon.

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3 Product Installation
3.1 Controller Dimensions and Installation Dimensions for
Electric Control Cabinet
3.1.1 Controller Dimensions
Unit:mm
Length×Width×Height: 229×119×61 (mm)
3.1.2 Installation Dimensions for Electric Control Cabinet of the
controller
The controller should be installed in the electric control cabinet. The guide rail should be
horizontally fixed with multiple screws. The controller is installed on the guide rail parallel in front
side. The installation is shown in the figure as below (for reference only).

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Fig. 3.1 Controller installation guide
The thin real line shown in the figure is communication wire and weak current wire, the thick
real line is strong current wire. Above lines are only for reference.
NOTE!
（1）
Ensure the specification of power input. Otherwise, Controller can’t work normally or
even be damaged.
（2）
Ensure the dial code setting of Controller is correct. Otherwise, there will be
communication malfunction.
（3）
Ensure that the communication cord has connected to the correct interface. Otherwise,
there will be communication malfunction.
（4）
Do not place Controller in direct sunlight or high-temperature and humid environment.
Place it in the central control cabinet.
3.2 Installation and Configuration of Router
3.2.1 Installation of Router
Please refer to the installation instruction manual of specific router for the installation of router.
3.2.2 Configuration of Router
To ensure reliable operation of Gree Intelligent Remote System, the router shall be configured.
The purpose of configuration is to allocate a reliable and solid IP address to controller and the
computer that is installed with Intelligent Remote Eudemon. Please refer to the following steps to
set the static IP of controller and software in router. For detailed operation, please refer to the
instruction manual of router.

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（1）
Connect ETH0 internet port of controller and computer into LAN port of router with
cable. Make sure the router is energized and is operating normally;
（2）
Open the web browser of computer and input the login address of router (see the
backside of router);
（3）
Input username and password in login interface;
（4）
Enter the client list and view the status of devices which are connected to this router.
Confirm the corresponding MAC address of controller and computer;
（5）
After confirming MAC address, enter “Static Address Allocation” and bind MAC
address to a workable IP;
（6）
Click save after finishing setting and then restart the router to make it valid.
3.3 Installation of Intelligent Remote Eudemon
Make sure the computer comply wit the following requirements before installing Intelligent
Remote Eudemon.
Description Minimum configuration Recommended configuration
Internet Information
Server
8.0 version 8.0 version or above
Message queue / /
Memory 4GB and above 8GB or above
Hard disk 500 GB or more free space 1TB or more free space
CPU Intel i5 or higher Intel i7 or higher
Operation system
Windows 7 English Version (64 bits,
Professional\Ultimate)
Windows 10 English Version(64 bits,
Professional)
Windows 7 English Version (64 bits,
Professional\Ultimate)
Windows 10 English Version(64 bits,
Professional)
Please refer to the installation instruction manual of Intelligent Remote Eudemon for the
installation.
3.4 Communication Connection
The system is consisted of several components. Each component must communicate
effectively for normal operation. Communication connection includes:
（1）
Communication between controller and the computer that is installed with Intelligent
Remote Eudemon;
（2）
Communication between controller and air conditioners;
3.4.1 Selection of Communication Cord Materials
（1）
Select communication cord for controller and air conditioners.

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Cord type
Comm cord between
controller and air
conditioners L(m)
Cord
size(mm2)
Cord
standard Remark
Shielding
light/general PVC
sleeve twisted pair
copper core soft wire
L
≤
500
≥
2
×
0.75 IEC 60227-
5:2007
Total length of
communication cable
should not exceed
500m.
（2）
Select standard Ethernet communication cord to realize the communication between
controller and the computer that is installed with Intelligent Remote Eudemon.
3.4.2 Installation Notices of Communication Cord
（1）
Make sure each communication cord is conducting properly and pass conduction test.
（2）
Communication cord and other high-frequency heavy current wire or high-frequency
signal wire shall not be placed in the same wire groove or shall not be bound together
for wiring. The distance between communication cord and high-frequency heavy
current wire shall be more than 15cm. For the distance between communication cord
and other high-frequency signal wire, the minimum distance shall be calculated
according to the frequency and voltage of signal. If the communication cord is parallel
with high-interference signal wire, shielded steel pipe must be applied by the
constructor.
（3）
The communication wire shall go through along refrigerant pipeline in specialized wire
groove.
3.4.3 Communication Connection Method
（1）
Communication connection between Controller and Intelligent Remote Eudemon
system:
Fig. 3.2 Connecting method between Controller and router

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（2）
Communication connection between Controller and AC units (n is the quantity of ODU
system, n ≤ 16)
Fig. 3.3 Connecting method of Controller
NOTE! All communication connection lines under Controller must be in series connection, star
connection shall not be adopted.
3.5 Communication Connection Configuration
（1）
Communication line connection between Controller and PC:
Connection diagram between Controller and PC user side:
1) Adopt cross connection network cable, Controller shall directly connect to PC.
Fig. 3.4 Controller connects to personal computer directly

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2) Adopt parallel network cable, Controller shall go through router to connect to PC.
Fig. 3.5 Controller connects to personal computer via router
（2）
Communication line connection between Controller and AC units:
When Controller is connected to main control unit of ODU, ODU with the address dial-up of 0
must be connected.
Fig. 3.6 Communication connection between Controller and unit
4 Product Debugging Instruction
Gree Intelligent Remote System is a comprehensive engineering system, involving the logical
interaction and data exchange of three modules of unit, controller and software. Its debugging is
difficult which needs comprehensive knowledge and technologies. Please read the following
instruction carefully before debugging or arrange debugging under the guidance of professional
staff.
NOTE!
As the debugging course involves heavy current environment, please pay attention of
personal safety! Prevent equipment damage or personal injury due to improper operation!
4.1 Debugging of Air Conditioner
Before debugging Gree Intelligent Remote System, please make sure related settings of air
conditioning system are done. The following conditions shall be met (including but not limited to):
CAN G1 G2
D1D2 G1G2
1 2
ON ON
Main control
Unit of ODU
……
Subordinate
Unit of ODU

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（1）All indoor units and outdoor units are energized;
（2）All units are without indoor unit project code conflict (C5);
（3）All units are without system code conflict;
（4）CAN2 bus cannot exceed 500m.
After finishing the debugging of air conditioning system, please set centralized control address
and project code according to the following steps.
Step 1: Master control unit setting of single system and centralized control address setting of
multiple systems.
（1）Make sure the DIP switch of master control unit of each refrigeration system is set
correctly (for more detailed operation, please refer to the service manual of the unit).
（2）For the connection of multiple refrigeration systems, make sure the centralized control
address DIP switch of each refrigeration system is set correctly, without system code
conflict (for more detailed operation, please refer to the service manual of the unit).
Step 2: The setting of deviation of indoor unit project code.
For the first time of engineering installation and debugging, if project code conflict C5 occurs
after connecting several systems, please eliminate the malfunction (for more detailed operation,
please refer to the service manual of the unit).
4.2 Debugging of Controller
4.2.1 Configuration of Parameters for controller
Before setting the parameters of Controller, please set the IP address of PC as the same with
the IP address in the same network segment of Controller, as refer to appendix A; and then open
the browser (IE10 and above version, Firefox or Google), input the default IP address of Controller:
http://192.168.1.150, default user name: config, password: config; as shown below.
Fig. 4.1 Log on interface
Setting of Controller protocol functions:
After inputting user name and password, click the arrow to enter the setting interface, as shown

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in Fig. 4.2, 4.3, and 4.4; in the setting interface 1, you can set the IP parameters of Controller; in
the setting interface 2,you can set the equipment information. in the setting interface 3, you can set
the server information.
Note: device ID range: 1〜255. The defaulted value for device ID is 0. The ID of the Controllers
connected to the same PC should be different.
Fig. 4.2 Setting interface of network parameters

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Fig. 4.3 Setting interface of equipment information
Fig. 4.4 Server setting page
Settable parameters:：IP address of controller、subnet mask of controller、default gateway、
controller name、controller ID（0~255）、network type of server、service IP、service port.User
can set by himself/herself according to the actual needs. After setting, click the arrow, the interface
will pop up a window to ask: Whether to restart the controller to make the setting come into effect?
Click OK and then the controller is restarted.
Fig. 4.5 Pop-up window of restart
NOTE!
IP address of controller under the same network (under the same router) can’t be repeated.
Otherwise, the software can’t conduct the communication with the controller.
4.2.2 Debugging of Communication between controller and Air