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6. Central control system + Group control system(max.128 x16 indoor units can be connected),this type is
applicable for the unitary free indoor units except for cabinet type.
1. Communication function
Communicate with the indoor PCB in the group control network
To communicate with the indoor PCB through the R S-485 bus (A, B). The central controller sends commands
to and receives response from indoor PCB; communication by address enables sending and receiving control
information, work information and fault information between indoor PCB and the central controller.
2. LCD display function:
The LCD could display the fundamental status of air conditioning units (are the units existing? On/off? Fault?
Are units group selected? Cursor and the current unit no.);
The LCD can display the working status of the air conditioning unit with the current number (mode, fan speed,
temperature setting, room temperature,timer,error code, central/remote control status);
The working status of the central controller (monitor/set status, panel locking status, signaling status).
3. Key input function:
The key for locking key function of the central controller: LOCK.
4. Unit number setting function:
To enrich the control functions of Haier commercial air conditioner remote monitoring system, multiple controllers
could be set to work together for a combination of multiple functions. For this, the central controller is provided
with a two-digital switch for setting controller address.
5. Realizing central control function with the central controller
(max.128 indoor units can be connected)
this type is applicable for the unitary free indoor units except for cabinet type.
The keys for moving the current unit number cursor and for group selection: , , , , SELECT;
The keys for setting working status of the air conditioning unit and control conditions: ON/OFF, MODE, FAN
SPEED, TEMP, TIME /
, CLOCK,TIMER, CENT/REM, SET;
indoor
outdoor
C
HEALTH
F
MODE
FAN
SWING
TEMP
CLOCK
TIMER
SET
RECOVERY
CHECK
FILTER
RESET
MODE FAN
AUTO
AUTO
FAN ONLY
COOL
DRY
HEAT
TES
HIGH
MED
LOW
FIX
CENTRAL
OPERATION
STANDBY
PRE-HEAT
DEFROST
FILTER
HEALTH
CHECK
SWING
UNIT NO.
DEMAND
MANUAL
CEN.ADD.
SYS.ADD.
ROOM TEMP.
SET TEMP.
TIMER CLOCK
UP
DOWN
VENTILATION
ON
OFF
DAILY
AUTO
RECOVERY
NORMAL
ON/OFF
C
HEALTH
F
MODE FAN
SWING
TEMP
CLOCK
TIMER
SET
RECOVERY
CHECK
FILTER
RESET
MODE FAN
AUTO
AUTO
FAN ONLY
COOL
DRY
HEAT
TES
HIGH
MED
LOW
FIX
CENTRAL
OPERATION
STANDBY
PRE-HEAT
DEFROST
FILTER
HEALTH
CHECK
SWING
UNIT NO.
DEMAND
MANUAL
CEN.ADD.
SYS.ADD.
ROOM TEMP.
SET TEMP.
TIMER CLOCK
UP
DOWN
VENTILATION
ON
OFF
DAILY
AUTO
RECOVERY
NORMAL
ON/OFF
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