Events Masks - Mitsubishi Electric Evolution+ s-MEXT Technical Manual

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2.7 Events masks

Press the [ALARM] key once to enter the "Event" menu showing the alarm and signalling event messages along with their
codes.
If there is more than one event, scroll the menu using the [UP] and [DOWN] keys. Press [ESC] to exit this menu.
In order to reset an event, press the [ALARM] key another time. The event will be reset only if the condition that caused it has
been solved. The event otherwise remains active.
If the [ALARM] key is pressed and there are no events to be displayed, the system shows the message "No Events detected".
For every event, the following properties are defined:
Event type: indicates the presence of a Warning (W), Signal (S) or Alarm (A);
Reset type: indicates whether reset is manual (Manual) or automatic (Auto);
Location: indicates where in the unit the alarm has taken place;
Action: indicates where the block caused by the alarm is located.
Some events can be configured by type and type of reset, manual or automatic. It is also possible to define the number of
interventions per hour, after which the event automatically switches to manual reset.
Letters
Display description
Key to "Type of Event" column.
A
Event
S
Event
Event
S/A
Event
S*
Event
W
Event
Key to Type of Reset" column.
A
Type:
Auto
M
Type:
Manual
Type:
Auto
A/M
Type:
Manual
Type:
Auto
A->M
Type:
Manual
Key to "Position" column.
CO
Location: Compressor
CI
Location: Circuit
U
Location: Unit
P
Location: Plant
Key to "Action" column.
NO
U
Action: Unit
NO/U
Action: Unit
CI
Action: Circuit
CO
Action: Compressor
CW
Action: ChillWater
HU
Action: Humidifier
Version 38
15:00:01
A003
Fire/Smoke
Presence Alarm
Reset:
Location:
Blocked:
Alarm with resource/unit block. Sets the "alarm cumulative".
A###
Display signal. Does not set the "alarm cumulative".
S###
S###
Signal or Alarm. It is possible to select one of the two modes using the parameter.
The "alarm cumulative" is set in the case the event is an alarm.
A###
Display signal with "alarm cumulative" setting.
S###
Warning on display. Does not set the "alarm cumulative".
W###
Automatic rearm (if the condition causing the alarm disappears, the alarm resets
automatically).
Manual rearm (if the condition causing the alarm disappears, the alarm must be
reset from the keyboard).
Automatic reset if the type of reset set in the parameter is automatic.
Manual reset if the type of reset set in the parameter is manual.
Automatic rearm alarm for the first N interventions in one hour. After which it is
manual.
Event involving the compressor.
Event involving the cooling circuit.
Event involving the unit.
Event involving the system.
No block (row not visible on the mask).
Unit block.
No block if the type of reset set in the parameter is automatic block (row not visible
on the mask).
Block of the unit if the type of reset set in the parameter is manual.
Block of the cooling circuit involved in the event.
Block of the compressor involved in the event.
Block of the water circuit involved in the event.
Block of the humidifier.
08/04/20
Manual
Plant
Unit
Description
118

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