Connecting Method - Haier AU282AHBEA Service Manual

Connecting method

1. Use group controller and weekly timer to realize the group control function + weekly timing function, applicable for the units except
for the unit which needs detector to realize the weekly timer function, such as cabinet type, console type.
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MODE FAN CENTRAL MODE FAN SWING
AUTO AUTO OPERATION
STANDBY
FAN ONLY HIGH
COOL MED PRE-HEAT
DRY LOW DEFROST
FILTER HEALTH TEMP
HEAT FIX
TES
HEALTH CHECK SWING
MANUAL CLOCK
UNIT NO. DEMAND
CEN.ADD. C ROOM TEMP.
SYS.ADD. SET TEMP.
F SET RECOVERY
TIMER
TIMER CLOCK UP DOWN VENTILATION
ON AUTO
OFF RECOVERY CHECK FILTER
RESET
DAILY NORMAL
ON/OFF
2. Use weekly timer to realize weekly timing function,applicable for the units which need detector to realize the weekly timer function,
such as cabinet type, console type.
The detector is connected with one air conditioner by the 4-core screw fixed terminals A+ and A- of air conditioner interface, then
accordingly set the dial-code switch of the detector in single unit working mode; the address number setting shall be performed according
the planned program, for specific setting and corresponding address, please refer to the dial-code switch setting in detector's operation
manual; use weekly timer to fulfill weekly timing function, the system needs to be connected with weekly timer; each detector and weekly
timer is connected with shielded twisted pair communication bus by the 2-core screw fixed terminals (A and B) of its RS-485 interface;
the communication bus must be shielded and grounded, and the resistors in its two ends shall be suited.
View of the detector interface
Power cord
Resetting
Air Conditoner HMI
Power on/off
Indoor unit
Outdoor unit
3. Use weekly timer to realize two units auto-changeover function,applicable for the units which need detector to realize the weekly
timer function, such as cabinet type, console type.
The detector is connected with two same model air conditioners by the 4-core screw fixed terminals of air conditioner interface; then
accordingly set the dial-code switch of the detector in double units working mode, and the double units switch time is default 24 hours;
the address number setting shall be performed according the planned program, for specific setting and corresponding address, please
refer to the dial-code switch setting in detector's operation manual; use weekly timer to fulfill double units switch weekly timing function,
the system needs to be connected with weekly timer; each detector and weekly timer is connected with shielded twisted pair communication
bus by the 2-core screw fixed terminals (A and B) of its RS-485 interface; the communication bus must be shielded and grounded, and
the resistors in its two ends shall be suited.
Haier R
OFF OFF OFF OFF OFF OFF OFF
MON TUE WED THU FRI SAT SUN Program Number
Holiday
ON ON ON ON ON ON ON
Cancel
Hour
Min. Confirm
MON TUE WED THU FRI SAT SUN
Week
Time
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PROGRAM NO.
1 2 3 4 5 6 7
Program Holiday Number
SET 1 ON OFF
Hour Cancel
SET 2 ON OFF
Min. Confirm
1 2 3 4 5 6 7
Time Week
NO.
ON/OFF
-106-
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CN5
MODE FAN CENTRAL MODE FAN SWING
OPERATION
AUTO AUTO
FAN ONLY HIGH STANDBY
PRE-HEAT
COOL MED
DEFROST
DRY LOW TEMP
HEAT FIX FILTER HEALTH
TES
HEALTH CHECK SWING
CLOCK
UNIT NO. DEMAND MANUAL
CEN.ADD. C ROOM TEMP.
SYS.ADD. F SET TEMP.
TIMER SET RECOVERY
TIMER CLOCK UP DOWN VENTILATION
ON AUTO
OFF RECOVERY
CHECK FILTER RESET
DAILY NORMAL
ON/OFF
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CN5