Gree GRJW05-J User manual

Wireless Gateway Owner’s Manual
Model：GRJW05-J FCC ID: 2ADAP-W05AGL IC:12478A-W05AGL
Gree Electric Appliances, Inc. of Zhuhai
●Please read this manual carefully before operation and keep it well for future reference.
●Due to product improvement, Gree reserves the right to change contents of this manual without prior notice.
●Gree ElectricAppliances, Inc. of Zhuhai reserves the final right to interpret this manual.

Dear Users:
User Notices
Please read this manual carefully before installation and operation and strictly observe the installation and operation
instructions covered in this manual. In addition, careful attention shall be drawn to the following symbols.
WARNING
It indicates, if operated improperly, it would lead to bodily injury or severe damage.
CAUTION It indicates, if operated improperly, it would lead to damage of unit.
WARNING
(1) Installation shall be performed by the qualified personnel; otherwise it would result in a fire hazard or electric shock.
(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 of gateway 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 cord provided with the gateway. A fire hazard would happen when the connection or installation is
in poor condition.
(6) Do install the gateway where it will not be subject to the electromagnetic interference or heavy dust.
(7) Do install the gateway inside the electric control cabinet which is locked.
CAUTION
(1) Be sure proper power supply is provided; 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 error.
(3) Be sure the communication cable is connected to the correct interface; otherwise it would result in communication
error.
(4) After connection, wires should be protected with insulation tape to avoid oxidation and short circuits.
(5) Normal working conditions: ①Temperature: -20 ～+50℃; ②Humidity: less than 85%; ③Location: inside the
electric control cabinet which is placed indoors, not subject to direct sunlight, rain and snow etc.

Content
1 General Functions............................................................................................1
2 Check before Installation..................................................................................1
3 Detailed Instruction of Gateway....................................................................... 1
3.1 interfaces.....................................................................................................1
3.1.1 Interface Drawing ..................................................................................1
3.1.2 Power Supply.........................................................................................2
3.1.3 Communication Interfaces.....................................................................2
3.1.4 DI/AI Input..............................................................................................2
3.2 LED Display ................................................................................................3
3.3 DIP Switches............................................................................................... 3
3.3.1 Diagram of DIP Switches ......................................................................4
3.4 Buttons........................................................................................................4
4 Function Instruction.......................................................................................... 4
4.1 CAN Function..............................................................................................4
4.2 WiFi Function..............................................................................................5
4.2.1 Flowchart of System Control................................................................. 5
4.2.2 Download and Installation..................................................................... 5
4.3 Steps of Communication Connection......................................................... 5
4.4 Connect device to network.......................................................................... 6
5 Installation.........................................................................................................8
5.1 Product Dimension......................................................................................8
5.2 Installation Space........................................................................................ 8

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1 General Functions
The wireless gateway connects with the units by CAN, for realizing the wireless communication between intelligent
devices (such as smart phone, tablet PC) and units. Intelligent devices can check or control the unit’s status by gateway.
2 Check before Installation
The product contains following items. Please check them prior to installation.
Gateway 1set
Owner’s Manual 1piece
power cord 1piece
3 Detailed Instruction of Gateway
3.1 Interfaces
3.1.1 Interface Drawing

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3.1.2 Power Supply
The power input should be 100VAC-240VAC, 50/60Hz.
Warning: Do not touch the power input when the gateway is energized.
3.1.3 Communication Interfaces
“RS485-3”：Communication interface reserved.
“RS485-2”：Communication interface reserved.
“RS485-1”：Communication interface reserved.
“CAN”: CAN communication interface，it is used to connect the indoor and outdoor unit throught CAN bus.
“ETHERNET”：ETHERNET port reserved.
“SD”: SD card interface for program record and upgrade，It is reserved.
“USB”: USB interface, for program record and upgrade.
“MICRO”: MICRO_USB interface, with the same functions as USB interface, adaptable for various USB interface
models.
3.1.4 DI/AI Input
The product doesn’t use this communication interface temporarily, It is reserved.
“DI1”: Digital input
“DI2”: Digital input
“AI1”: Analog input

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“AI2”: Analog input
3.2 LED Display
CAN TX It flashes when the gateway sends data to CAN bus.
RX It flashes when the gateway receives data from CAN bus.
RS485-1 TX It flashes when the gateway sends data to RS485 bus.
RX It flashes when the gateway receives data from RS485 bus.
RS485-2 TX It flashes when the gateway sends data to RS485 bus.
RX It flashes when the gateway receives data from RS485 bus.
RS485-3 TX It flashes when the gateway sends data to RS485 bus.
RX It flashes when the gateway receives data from RS485 bus.
POWER It lights on when the gateway is powered normally.
RUN It flashes when the gateway is in normal operation.
ERROR It flashes when the gateway has an error.
A/D It flashes after pressing reset button for 5s.
3.3 DIP Switches
This gateway includes two kinds of DIP switches, “address” DIP switch and “function” DIP switch. This function is
reserved。

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3.3.1 Diagram of DIP Switches
3.4 Buttons
“INIT”: It is reserved.
“RESET”: System restarts.
4 Function Instruction
4.1 CAN Function
L1: L1 as shown in the figure is the CAN1 bus, which is made up of indoor units and outdoor units in the system.