Instruction of the GMV D.C. Inverter
13
5 Instructions for DIP Switch
5.1 Set the addrss code and capacity code for indoor unit
Set the address of the indoor unit according to the layout of the AC system , the address can’t repeat in a
same system.
8 bit DIP is adopted on the main board of the indoor unit to assign the indoor’s address and capacity . The
5~8 bit that is used to assign the indoor’s capacity has been set before shipment.It’s only to adapt the 1~4 to
set the indoor’s address before installation.
4 bit DIP is adopted to the main board of wired controller to assign the address . The wired controller’s
address must be same with its corresponding indoor unit.
The mainboard of the wire controller has a 4-bit DIP controller to allocate the address of the controller.
The address of the wire controller must be identical with the address of the corresponding indoor unit.
Address Setting of Indoor Unit and Wire Controller Are Shown in the Following Table:
Bits 1~4 for Address Setting
Corresponding Pins of the 8-Bit (4-Bit) DIP Switch
4 3 2 1
Allocated
Address
4 3 2 1
Allocated
Address
0 0 0 0 1 1 0 0 0 9
0 0 0 1 2 1 0 0 1 10
0 0 1 0 3 1 0 1 0 11
0 0 1 1 4 1 0 1 1 12
0 1 0 0 5 1 1 0 0 13
0 1 0 1 6 1 1 0 1 14
0 1 1 0 7 1 1 1 0 15
0 1 1 1
8 1 1 1 1 16
Note: The position “ON” means “0”.
Instructions for DIP Switch at the Outdoor Side
For the outdoor unit which capacity is 450 and below, there is only one mainboard, and without to dial.
For the outdoor unit which capacity is 450 above, there are two mainboards (please refer to the above
diagram), thereinto the four-bit switch S2 on the slave unit must be dialed “0000”, and DIP switch should be
dialed at “ON” means 0.
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