Daikin WMC Instruction Manual download pdf (Page 43)

www.DaikinApplied.com 43 IOM 1210-1 • MAGNITUDE

MODEL WMC CHILLERS

operaTIon

To Download Alarm History:

• Make sure that the “History File” text eld on the right side

of the Alarm History Screen shows “ALARMS.” If it shows

a date instead, press the ALARMS button.

• Take note of the le size of the alarm history by viewing

the “Size” text eld. Press the COPY to USB button and

watch the le size in the “Size” text eld count up to the

noted le size. Once this text eld has stopped counting

and has reached its actual le size, the download of the

alarm history to the USB is complete. (Note that unlike

the trend history les, alarm history only has one le.)

Viewing/Using Trend History and Alarm History Files:

• Trend history le names will be displayed as

“HCXXXXXX”, where the rst two X’s will be numbers to

indicate the year, the second two X’s will be numbers to

indicate the month, and the last two X’s will be numbers

to indicate the day. For example, if there is a le called

HC140510, it indicates that the le contains trend history

from 5/10/2014.

• The alarm history le name will be displayed as “alarms.”

• All trend history and alarm history les are saved from

the OITS PC as .csv les. These les can be opened on

a normal PC and manipulated using Microsoft Excel for

personal use. If tech support is requested, the original

(un-manipulated) .csv les must be sent to Daikin

Applied. Any other le formats are NOT accepted.

Active Alarms Screen

The Active Alarms Screen (Figure 52) is only accessible when

an active alarm exists on the unit. Pressing the red ALARM

button on any screen will access the Active Alarms Screen. (In

this manual, the red ALARM button is displayed as an example

in Figure 16 on page 22.)

Figure 52: Active Alarms Screen

The current active alarms (there may be more than one) will be

displayed on the Active Alarms Screen. Alarms are arranged

in order of occurrence, with the most recent on top. The date/

time and cause of the alarm are displayed. See the "Possible

Alarms and Events" section starting on page 44 for specics

on alarms that may occur.

After eliminating the cause of the alarm, clear the alarm by

pressing the CLEAR button. This will clear the alarm from

the register and allow the unit to restart after going through

the start sequence. The alarm notice will be deleted from the

screen.

If the cause of the alarm is not remedied, the alarm is still

active and the alarm message will remain open. The unit will

not begin its starting sequence.

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