Chapter 6 Micro-Processing Controller 33
Liebert.CRV+ Series Air Cooled Precision Air Conditioner User Manual
4. Press the Enter button to enter the
Alarm Set
screen.
5. Press the Up or Down button to move the cursor on
Alarm Stpt
in the
Alarm Set
screen.
6. Press the Enter button to enter the
Alarm Stpt
screen.
7. Press the Enter button to highlight the parameter field of
Hi Sup Temp
.
8. Press the Up or Down button to select the parameter option.
9. After selecting, press the Enter button to confirm. The parameter will take effect.
10. Press the Esc button to return to the previous menu screen.
Note
After changing the parameter, if you do not press the Enter button to confirm it, the original value of Hi Sup
Temp will be kept.
6.5 Control Screen
6.5.1 ON Screen
After the AC unit is powered on, the LCD screen will display the ON screen, as shown in Figure 6-4.
Figure 6-4 ON screen
6.5.2 Normal Screen
After the air conditioner is powered on, the Normal screen will be displayed after 10 seconds startup delay, as shown
in Figure 6-5. In the upper part of the Normal screen, it displays the settings and actual values of current air supply
temperature (first queue) & humidity (second queue), and air return temperature (the third queue displays air return
temperature by default, when the compressor mode or fan mode is set to ‘Remote’, the queue displays remote
temperature). In the lower part of the LCD screen, it displays unit output status (fan, cooling, heating, dehumidifying
and humidifying), unit mode (single, teamwork), and unit operation status (off, running, standby, locked).
Figure 6-5 Normal screen
Icons on main screen
The icons on main screen tell the unit output status, unit property, and unit operating status. The icons and their
definitions are given in Table 6-2.
Table 6-2 Icon definitions
Icons
Definitions
Fan rotating speed. Displaying the percentage of actual fan rotating speed
Compressor capacity. Displaying the percentage of actual compressor capacity
Heating state. Displaying 100% in heating mode, otherwise, displaying 0%
Humidifying state. Displaying 100% in humidifying mode, otherwise, displaying 0%