Graph Menu; Run Hours - Liebert DM User Manual

5.5.8 Graph Menu

Select Main Menu 2/2 -> Graph Menu to enter the Graph Menu menu, as shown in Figure 5-35. Through the menu,
you can inquire the return air temperature and humidity graphs, which reflect the temperature and humidity changes
over a period of time in the past.
1. Select Graph Menu -> Return Air TEMP to enter the Return Air TEMP submenu, as shown in Figure 5-36.
In the graph, current temperature is the origin, time is the horizontal axis and temperature is the vertical axis. The
graph can display the temperature changes from 6h to 48h through zooming operation and controlling the cursor
movement. Pressing the UP or DOWN button moves the cursor to the required zoom-control bar. Press the ENTER
button to enter editing status and then press the UP or DOWN button to zoom the graph in or out.
2. Select Graph Menu -> Return Air HUM to enter the Return Air HUM submenu, as shown in Figure 5-37.
In the graph, current humidity is the origin, time is the horizontal axis and humidity is the vertical axis. The graph can
display the humidity changes from 6h to 48h through zooming operation and controlling the cursor movement.
Pressing the UP or DOWN button moves the cursor to the required zoom-control bar. Press the ENTER button to enter
editing status and then press the UP or DOWN button to zoom the graph in or out.

5.5.9 Run Hours

Select Main Menu 2/2 -> Run Hours to enter the Run Hours menu. The menu is displayed in two screens, as shown
in Figure 5-38. You can inquire the accumulated running hours of some components, including fan, compressor,
electrical heater and humidifier, and set the service interval through the menu (For its detailed setting ranges, refer to
Appendix 6 Parameter Setting Table).
Gtaph Menu
Return Air TEMP
Return Air HUM
Figure 5-35 Graph menu interface
Return Air TEMP
+
-
T=06
-
Figure 5-36 Return airTEMP graph interface
Return Air HUM
+
-
T=06
-
Figure 5-37 Return air HUM graph interface
Run Hours 1/2
D01 I10
Fan Run Hours
Comp1 Run Hours
Comp2 Run Hours
Figure 5-38 Run hours interface
Liebert_DM 16kW Air Conditioner User Manual
Chapter 5 Precision Air Conditioner Controller
D01 I10
D01 I10
+030
24
-030
10: 54
+
D01 I10
+030
50
-030
10: 54
+
Run Hours 2/2
Heat1 Run Hours
Heat2 Run Hours
HUM Run Hours
47
D01 I10