Haier AB25S2SC1FA, Service Manual

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(1) Child lock function can be used to prevent false operation.
All of keys are locked after pressing
and together for
5 seconds. child lock icon will display on the interface. All
of settings will exit and keep the previous state. All of keys are
invalid including "ON/OFF".
(2) The screen will unlock after pressing
and together
for 5 seconds, child lock icon will disappear and all keys are
available.
Note:
When controlling Fresh Air unit, the controller main interface
will not display Up/Down key in normal state. When in child
lock setting, press Time key
to display Up/Down key at
the main interface, and then press Set and Down key together
for 5 seconds to enter child lock setting. After setting child
lock, Up/Down key will keep displaying for the convenience of
cancellation of child lock.
Child Lock
(1) Keep pressing for 5 seconds (if it is the four-way
cassette model, the time is 10 seconds) to enter parameter
inquiry. Unit No. is displayed on 88 area of clock while data
type is displayed on 88 area of timer. Unit No. is displayed on
the
two "88" of clock while data type is displayed on
the two "88" of timer. The data type includes A, b, C,
d, E and F. The current data is displayed behind date type. For
example, ambient temp. of 00 unit is 16 degree, then “00
A
16” is displayed. Press to choose different type of data
from A, b, C, d, E and F.
Parameter Inquiry
Data Type meaning System
A Indoor sensor Tai temp. Actual value, decimal sys.
b Indoor sensor Tc1 temp. Actual value, decimal sys.
C Indoor sensor Tc2 temp. Actual value, decimal sys.
d Indoor unit PMV opening/2 Actual value, decimal sys.
E Indoor unit address
Actual value, hexadecimal
sys.
F Indoor unit central address
Actual value, hexadecimal
sys.
(2) In parameter inquiry state, press key to change the
unit No. address in the group.
(3) In parameter inquiry state, press the
key again or have
no operation for 10 seconds to exit.
(4) In parameter inquiry state, press
or can exit
the parameter inquiry and press above keys again, their
corresponding functions will work.
(5) In parameter inquiry state, press “ON/OFF” , it will exit the
current state directly and then turn on/off.
(1) Entering: Press key for 10 seconds (if it is the four-
way cassette model, the time is 15 seconds) to enter unit No.
setting/ inquiring.
(2) Setting is available when the communication address
between indoor and outdoor unit is
if the indoor
unit’s dip switch can set the address, then use to adjust
within the range of 0-3F. If the indoor dip switch cannot set
the address, the communication address between indoor and
outdoor unit is static, which can only be inquired.
(3) Wired controller’s address is displayed before the colon of
clock on the top-left corner, ranging from 0 to 15 and displayed
in decimal system.
(4) The communication address between indoor and outdoor
unit is displayed on the top-left corner. The default value is the
current unit’s address, selecting other indoor units by the .
(5) Central address is displayed on top-right corner which
cannot be edited.
(6) Press
key to and exit the setting after
changing the communication address of indoor unit. If press
other keys or no operation in 10 seconds, it will automatically
exit and keep previous setting. If press
or key, exit
and the current setting is invalid. If press “ON/OFF”, turn on/off
the unit directly and the current setting is invalid.
Unit No. Setting