48 Chapter 5 Precision Air Conditioner Controller
DM Series 16kW Air Conditioner User Manual
The fan, comp1, comp2, heat1, heat2 and HUM run hours have the same submenus. Taking the
Fan Run Hours
menu for example, the submenu interface is shown in Figure 5-39. You can view the accumulated running hours of the
fan.
If the value in
Operation Hours
exceeds that in
Service Interval
, the system will generate an alarm to inform the
maintenance personnel with fan maintenance. After the fan is maintained, the
Operation Hours
will be cleared. After
setting the
Hour Reset
to
YES
, the maintenance personnel can reset the
Service Interval
.
Service Interval: 30000h
Hours Reset: No
Operation Hours: 00000h
Fan Run Hours [2]
D01 I10
Figure 5-39 Fan run hours interface
5.5.10 On/Off Record
Select the
On/Off Record
in the
Main Menu 2/2
interface and press the ENTER button to enter the
On/Off Record
menu, as shown in Figure 5-40. Only factory technicians can access the menu.
This menu is used to record the on/off information of some important components, such as fan, compressor, electrical
heater and humidifier. These records provide a base and reference to maintenance personnel for part maintenance.
Comp1 On/Off Record
Comp2 On/Off Record
Fan On/Off Record
On/Off Record [3] 1/2
D00 I00
Heat2 On/Off Record
HUM On/Off Record
Heat1 On/Off Record
On/Off Record [3] 2/2
D00 I00
Figure 5-40 On/off record interface
The fan, comp1, comp2, heat1, heat2 and HUM have the same submenus. Taking the
Fan On/Off Record
menu for
example, the submenu interface is shown in Figure 5-41. The menu items include
Records
(total record number),
No.
(record SN) and
Time
(fan on and off time).
Time: 2008/12/02 12:02:32 To
2008/12/02 13:14:50
Fan On/Off Record
D00 I00
Records: 012
No. 001
Figure 5-41 Fan on/off record interface
5.5.11 Team Work
Select
Main Menu 2/2
->
Team Work
to enter the
Team Work
menu. The menu is displayed in two screens, as shown
in Figure 5-42. The second screen provides the working status of #00 ~ #15 units. For detailed setting ranges of the
menu items, refer to
Appendix 6 Parameter Setting Table
.
The teamwork mode can be set to
Single
,
0
,
1
,
2
or
3
, which are applicable to different cases, as follows:
Single: Each unit operates independently without communication with each other.
0: Each unit operates independently. But the communication exits among them.
1: It is applicable to the case with an even temperature & humidity load.
2: It is applicable to the case with an uneven temperature & humidity load. Each unit independently computes the
individual requirement.
3: It is applicable to the case with an uneven temperature & humidity load. The lead unit distributes the
requirement for each unit.
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