Gree GMV-Pdhm1800W4/Na-M, Инструкция по установке и эксплуатации

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Communication of the System
Ⅰ
. Communication system of GREE Heat Recovery D.C Inverter Multi-VRF includes:
1. Communication between the indoor unit and the outdoor unit;
2. Communication among the indoor units
3. Communication among the outdoor units( in modules combination)
4. Communication among pinboards of outdoor units( when increasing pinboards is needed.)
Ⅱ .The communication way of GREE Heat Recovery D.C Inverter Multi-VRF includes:
1. All of the communication ways are 485 communication
2 Indoor units network: Dual-core twisted pair lines whose ends are three-pin XH plug are applied in the
communication between outdoor units-indoor units/ indoor units-indoor units.
3. Outdoor units network: Dual-core twisted pair lines whose ends are four-pin XH plug applied in
communication between module to module.
Ⅲ
. Traits of communication for Heat Recovery D.C Inverter Multi-VRF
1. Communications among modules are by the mainboards connection inside modules
2. A communication pinboard is equipped in each module which can communicate with max, 16 indoor units
simultaneously.