Gree CN851W1000, Service Manual

Page: 76 / 233

DC Inverter Multi
VRF Service Manual
71
CONTROL
Mark A:
Outdoor Unit GMV-Pdm450W/NaB-M can be connected with up to 32 indoor units by two pinboards ,either of
which can connect with up to 16 indoor units . What’s more, the quantity of communication modules used is the same as
that of pinboards.
In this project, pinboard 1 is connected with the communication module with address of 02 and indoor units (address
01~04) of office 7-8, corresponding with independent communication Net.2. Pinboard 2 is connected with communication
module of address 03 and indoor units (address 01~08) of office 1-2, corresponding with independent communication
Net.3. The outdoor figure is as follow:
Mark B:
Outdoor Unit GMV- Pdm 280W/NaB-M can be connected with up to 32 indoor units by two pinboards ,either of
which can connect with up to 16 indoor units . What’s more, the quantity of communication modules used is the same as
that of pinboards.
In this project, pinboard 1 is connected with the communication module with address of 02 and indoor units
(address 01~04) of office 7-8, corresponding with independent communication Net.2. Pinboard 2 is connected with
communication module of address 03 and indoor units (address 01~08) of office 1-2, corresponding with independent
communication Net.3. The outdoor figure is as follow:
Pinboard2:
3-core neilsbed connects with Indoor Unit
or communication module and 4-core
neilsbed with Outdoor Unit.
Pinboard2:
3-core neilsbed connects
with Indoor Unit or
modules and 4-core
neilsbed with Outdoor Unit.
Mark C:
Centralized controller cabinet is mainly used to put communication modules together. Refer to Section 3 Instruction
to Installation Procedure of System about its figure and connection method of communication modules.
Mark D:
Centralized Controller ZJ701. For the first use of it, address mapping setting must be made to specify addresses of
communication modules which should be controlled. In this project example there are 3 communication modules with the
address of 01, 02 and 03 which are displayed in the centralized controller correspondingly.
Mark S1, S2, and S3:
Telephone 3-way triple adapters are used to connect communication modules with communicating net of indoor and
outdoor units. Refer to Section 3 Instruction to Installation Procedure of System for its connection method.