Controller Operation Instruction - Haier CA0035EAND Service Manual

7. Controller Operation Instruction

7.1 Description of controller panel
■ Key description of wired controller
1. [On/Off] key: this key is used for the system on/off control; if the initial status is "off", and the system is started
up when pressing this key once, and vice versa. During the startup, the LED indicator light (green) is on.
2. [Mode] key: this key used is to change the system operation mode; once pressed this key, the operation mode
is switched between cooling and heating.
3. [Power Save] key: this key is to operate the system in "Power Save" mode;if pressed this key, the target
temperature of return water is set at 15°C and 37°C respectively for cooling and heating.
4. [Modify] key: this key used is used to adjust setting parameters; press
or decrease setting parameters; when the wired controller is not in setting mode, this key is used to set the
return water temperature and passwords.
5. [Set] key: press this key to enter the parameter setting interface; after logging into the parameter setting
interface, general items (set time/timing mode/set timing) and special items can be set.
6. [Select] key: this key is used to select setting items;press
selected character object is displayed on a black background.
7. [Ok] key: this key is used to confirm the setting items; you can press this key to select a setting item and enter
the corresponding parameter setting interface.
8. [Exit] key: this key is used to exit (back); the system returns to the previous interface after each press and finally
returns to the main interface of the wired controller.
9. [Query] key: this key is used to query the parameter interface of the modular unit; after logging into the
parameter query interface of the modular unit, press
queried modular unit, and press
and operation conditions of the modular unit.
10. [Fault] key: this key is used to query the fault of the modular unit and log into the fault queryinterface.
Startup indicator light
or
or
or on the [Select] key to query the electrical performance parameters
30
On/off key
or on the [Modify] key to increase
on the [Select] key to select items, and the
on the [Modify] key to select the address of the