LonWorks BMS gateway LonGW64

LonWorks BMS gateway LonGW64

The new LonWorks gateway MD-LonGW64/E has been compliance with LonWorks standard and can be
connected up to 64 indoor units to the LonWorks network directly. It can connect multiple refrigeration
systems and do not need to connect CCM03. For full V4 plus system can be connected CCM03, and it must
be connected from outdoor unit’s XYE, the new and the old indoor units or V4 indoor units cannot be applied
to this function.

LonGW64 helps other LonWorks devices gathering the information from the Midea central A/C, and help
setting the indoor units’ working mode.

Connect Central A/C system to LonWorks network.
1.Easily download the program on line.
2. LonGW64 gateway applies non-polar twisted pair lines, which
makes connecting to LonWorks network easily.
3.Be able to bridge the indoor units to the BMS.

General function

Indoor units can be connected to the BMS system through MD-LonGW64, and we can gather all the units’
information and control the indoor units. As a result, the indoor units need firstly connecting to the computer
to make a central monitoring system. The composition of the whole network is as follows:
(1) Connection method 1: Suitable for all of VRF air conditioner systems and connect max.64 indoor units.
(2) Connection method 2: Only suitable for V4 plus system and connect max.64 indoor units. The outdoor unit must be set to auto addressing mode, and it will be effective after about 6 minutes.

Notes:
If there are a few LonGW64 devices to compose a LonWorks network, the LonWorks terminals of the
MD-LonGW64 are able to be connected in the hand-in-hand way. It can be connected up to 64 indoor units to the LonWorks network no matter which system the indoor unit is from as long as the address is different

Connecting ports
LON- and LON+ port: The ports should be connected to the computer’s COM port, using the RS-232
communicative standard.
XYE ports: These ports use a removable connecting way to help user connect the LonWorks network
conveniently.
POWER: This port should be connected to the AC 220V power adaptor