Hitachi HCWA21NEWH Installation And Operation Manual page 7

Custom-
setting
Implication of code display
parameter
code
3
Temperature display setting 0-Display the set temperature;
6
Temperature measurement
7
unit display setting
8
Cooling only setting
Temperature limits revision
10
Environment temperature
11
revision setting
The method of setting the custom parameters
1 Press and hold " ", "
parameter custom-setting mode, and the screen will display the self-setting parameter code
and icon .
2
Press the " " button to select the custom-setting parameter code, and function code will
also be displayed on the LCD.
3
Press the " " (up) button or "
"ON/OFF" button to confirm the setting.
Note:
It will directly exit custom setting mode without saving the setting if there is no operation within 30s.
Parameter setting
The wired controller room temperature display and limit set temperature can be revised if needed.
Before setting, please check if these parameters are enabled to be revised, for details, see
Custom parameters.
1.Temperature limit setting
Default temperature set point range is (16-30)℃. You can change the range when needed. For
example, in cooling mode, temperature adjustment range could be changed to (23-30)℃; in
heating mode, it could be changed to (16-23)℃. The temperature limit is only effective for the
cooling and heating modes.
When "boot" blinks, press " " to restore to
boot
factory default and quit parameter set.
1-Display the indoor environment temperature
0-Display in Celsius;
1-Display in Fahrenheit degree
0-Heat pump type air conditioner;
1-Cooling only air conditioner
0-Not permitted; 1-Permitted
setting
0-Not permitted; 1-Permitted
" and " " buttons at the same time for 5s, to access the
" (minus) button to select the function code and press
Wired Controller Installation
Description
Function code
Self-setting parameter code
5
Remarks
The
factory
setting
defaults to
0