Haier CA0035EAND, Service Manual, Page: 33 / 66

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■ Description of Basic Operation of Wired Controller
1. Once powered on, the wired controller displays a startup password input interface; and the operation can be
done only after the input of correct startup passwords. (please consult Haier’s after sales service personnel for
initial passwords).
Note: initial passwords are not set for some types of units.
2. If you want to start up the modular unit, press the [On/Off] key on the wired controller, then the system starts up
and operates in the set mode, and the startup indicator light turns on.
3. The operation mode is generally selected via the [Mode] key prior to the startup, and the mode switch is allowed
during the system operation; the system can automatically shut down, and then it can start up and operate in
the new operation mode.
4. In the main interface, directly press the [Modify] key to change the target temperature of the return water; the
modification range is 10-25°C and 25-50°C respectively for cooling and heating. The optimal set temperature is
12°C for cooling and 40°C for heating.
5. Users can operate the system in the “Power Save” mode through pressing the [Power Save] key; in the “Power
Save” mode, the target temperature of return water is set at 15°C for cooling and 37°C for heating.
1. Upon power on, first enter the first level password ; (initial password: 1234)
the wired controller displays the main interface first.
Date and time is displayed in the first line: MM/DD/YY hour/minute/second day of the week
Set status is displayed in the second line:
Set mode; you may press the [Mode] key on the wired controller to switch the cooling/heating mode;
Linked switch status;
☆
is displayed in closed status;
☆
is not displayed in open status;
Set temperature is displayed in the third line:
In heating mode, press
or on the [Modify] key to set the temperature within 25°C-50°C.
In cooling mode, press or on the [Modify] key to set the temperature within 10°C-25°C.
[Timing] icon is displayed only the timing is valid on the same day.
Current fault is displayed in the fourth line:
The current fault codes and the address of fault unit are displayed. If a module has several faults, the fault with
a small code is reported in a priority manner; if several modules are fault, the fault with a small module address
is reported in a priority manner.
2. Press the [Set] key to enter the main item setting interface.
The first three items on this interface are general items set by users,while the fourth
item is a special item set by professionals
1) When you press the [Select] key to select the set time item, the set time is displayed
on a black background; you may press the [Ok] key to enter the time setting interface.
You may press or on the [Select] key to select the modification item:
Hour/Minute/Second on MM/DD/YY. The selected modification item is displayed on a
black background. Press or on the [Modify] key to set corresponding values; upon the modification completion,
press the [Ok] key to update and the system will return to the main interface. The timing is displayed on the
main interface based on the modified time.
2) Press or on the [Select] key to select the timing mode, the selected timing mode is displayed on a black
background; press or on the [Modify] key to switch among Week/Cycle/Day/Timing Disabled modes.
Upon the completion of setting, press the [Exit] key to return to the previous interface, and the system
completes the setting and adjustment of timing mode.
3) When you press
or on the [Select] key to select the set timing item, the set timing is displayed on a black
background; you may press the [Ok] key to enter the timing setting interface:
7.2 Description of controller panel
07/01/01 23:59:59
SUN
Set Mode: Cooling
☆
Set Temperature:
25°C [Timing]
System Fault: None
Set Time
Timing Mode:
Week/Cycle/Day/Timing Disabled
Set first level password
Set Parameter
MM 00/DD00/YY00
00 H/00M/00S
Main interface
Main item setting interface
Time setting interface