Gree ME55-33/F Quick Start Manual

Instruction of GMV Communication Convertor
Notice
1
This instruction is applicable for Communication Convertor ME55-33/F(C), for installation and maintenance of it;
◆
Please read this instruction carefully before installation; installation and maintenance work must be conducted
◆
by authorized company or professional personnel;
Communication convertor does not has waterproof function that it must be installed in indoor and dry place;
◆
Please retain this instruction well for future refernce.
◆
2 Product Summarize
Communication convertor is for converting information between CAN network communication and 485 network
communication, which can achieve compatible operation between GMV4 indoor unit with 485 communication
technology and outdoor unit of GMV5, GMV5S, GMV ES with CAN network communication technology.
Notes: For the system adopting such product, its outdoor unit must be the unit with CAN network, and indoor
unit must be GMV4 unit with 485 network.
3 Product Introduction
3.1 Components
Package of this product includes the following components, please check before use.
Communication convertor
Instruction
Tapping screw
Tapping screw parts
3.2 Specific Introduction
Notes: Picture of product is only for reference, Please refer to actual products. Unspecified measure unit is
mm.
External dimension of communication convertor is as below:
154
Mainboard of communication convertor is as below:
通讯转换器说明书
One
One
Three
Two
75
-1-
3.3 Working Condition
Normal working requirements of communication convertor:
1.It should be installed on the wall or in electric cabinet;
2.Temperature: 0℃ -40℃ ;
3.Relative humidity: less than or equal to 85%;
3.4 Feature of system
For the GMV system adopts communication convertor, its installation of outdoor unit and indoor unit are
the same as general system, the only difference is that the communication convertor is extra installed in the
communication network between indoor units and outdoor units.
If outdoor unit is modularized unit, then it can connect to 4 modules in parallel at most, after parallel
connection of outdoor unit, connect communication wire to communication convertor, it can connect to 5
communication convertors at most, each communication convertor can connect to 16 indoor units at most,
therefore a modularized system can connect to 80 sets of indoor units at most.
3.5 System Function
The GMV system with communication convertor is set to be compatible with general system, which mainly
includes engineering application function, unit function and settlement of malfunction.
3.5.1 Compatible Functions
1.Indoor unit does not support auto addressing function that it should conduct related setting of address code
according to instruction manual of indoor unit, otherwise it may cause communication malfunction;
2.For monitor and control of system, please use Gree Debugger; it does not support Text Parser;
3.Partial setting functions of Gree Debugger are invalid;
4.The system does not support trial running stipulated in instruction manual of outdoor unit; the unit can
operate after finishing installation, there is no need to conduct debugging.
3.5.2 Malfunction Settlement
Indoor unit that connects into this system can only display and inquire partial malfunctions as below. Other
malfunctions should inquire the malfunction code displayed in outdoor unit, communication convertor or Gree
Debugger.
Code of indoor unit Code of Communication convertor or Gree Debugger
F0 d3
F1 d4
F2 d5
F3 d6
E2 L5
E6 C0
E7 L6
Malfunction
Ambient temperature sensor malfunction
Inlet pipe temperature sensor malfunction
Pipeline temperature sensor malfunction
Outlet pipe temperature sensor malfunction
Anti-freeze protection
Communication malfunction
Mode conflict
-2-