Control Operation; Main Board Code Designation; Network Address Set - Midea Air Conditioner Installation Manual

8. CONTROL OPERATION

8.1 Hoursepower set
ENC1
Base on different purposes to setting the switch cords on PC panel
of indoor electrical control box. Once finish the setting, please cut off
the main power, and then input power again, otherwise, setting
function could not work.
Table.8-1
ENC1 Toggle switch
Code
Note: The horsepower
has been set before
leaving the factory ,
anyone can't
modify it except the
maintenance person.
CAUTION
The system together have 64units(0-63),everyone has only
system addresscode,If two addresses are the same in one
system , the abnormal operation will occur.
Please switch off the power before setting,otherwise the
unexpected error will occur.
8.2

Network address set

●
Network address is set by communication of indoor and
outdoor unit; the address is the same as indoor address, there
is no need to set separately.
The central control of indoor units can be done on outdoor
●
unit, there is no need to control indoor unit separately, for
details please refer to V4+ outdoor unit manual.
●
For previous control of indoor units, the network can be set
by connecting (X,Y,E) terminals, there is no need to set
network address. The network can also be set by outer
network module and main board (CN20).
installation manual
12
For set horsepower
Capacity(Horsepower)
0 2200W(0.8HP)
1 2800W(1.0HP)
2 3600W(1.2HP)
3
4500W(1.5HP)
4
5600W(2.0HP)
5
7100W(2.5HP)

8.3 Main board Code designation

SW1 definition
S W1
1 means factory test mode
●
ON
0 means add. auto searching mode
●
(default setting)
123 4
S W1
1 means factory test mode
ON
●
0 means AC fan Is chosen
●
123 4
S W1
00 means DC fan static pressure is 0
ON
●
(reserved)
123 4
S W1
● 01 means DC fan static pressure is 1
ON
(reserved)
123 4
S W1
ON
10 means DC fan static pressure is 2
●
(reserved)
123 4
S W1
ON 11 means DC fan static pressure is 3
●
(reserved)
123 4
SW2 definition
S W 2
●
00 means the temperature is 15
O N
degrees when shutting down the unit
1 2 3 4
for cold wind proof.
S W 2
●
01 means the temperature is 20
O N
degrees when shutting down the
unit for cold wind proof.
1 2 3 4
S W 2
●
10 means the temperature is 24
O N
degrees when shutting down the
unit for cold wind proof.
1 2 3 4
S W 2
●
11 means the temperature is 26
O N
degrees when shutting down the
unit for cold wind proof.
1 2 3 4
S W 2
O N
●
00 means the time of stopping
TERMAL fan is 4 minutes
1 2 3 4
S W 2
●
01 means the time of stopping
O N
TERMAL fan is 8 minutes
1 2 3 4
S W 2
●
10 means the time of stopping
O N
TERMAL fan is 12 minutes
1 2 3 4
S W 2
●
O N
11 means the time of stopping
TERMAL fan is 16 minutes
1 2 3 4