Smoke and Heat Exhaust Control Unit mcr 9705
– User Instruction Manual
Strona 10 z 24
3.3. Automatic weather monitoring unit
If the system is equipped with wind and/or rain sensor, the sensor will prevent
from opening of the smoke vents for non-emergency, daily ventilation in adverse
weather conditions. The wind/rain sensor will automatically close smoke vents (or
prevent the vents from being opened by using the ventilation pushbutton) if the wind
or atmospheric precipitation is too strong.
Note!
1. In case of the ALARM signal, smoke exhaust vents will be opened regardless of
weather conditions!
2. Do not use alarm buttons for non-emergency ventilation!
3.4. Emergency alarm
If the status of the unit is in the ‘alarm’ state, the red ALARM diode on the front
panel will light up, the audio alarm indicator will go off and the yellow “VENT OPEN”
diode will blink to indicate operation of actuators. Once the smoke vents are open,
the VENT OPEN diode will stay on.
In automatic door mode, in the ALARM state, the control panel cuts off the power
from the actuators, which releases the door holders.
The door automation mode is also used to control the operation of mcr
PROSMOKE FSv2 CE smoke curtains. In this case, after cutting off the power from
the actuators, the curtains automatically fall into the working position.
NOTE:
the door automation mode is not intended for the controlling the mcr
PROSMOKE CE/CE1 curtains.
In the electric locking drive/activating alarm boxes, in the ALARM state, the
control panel gives a fixed 24 V signal, but does not give a signal with reversed
polarity in the alarm reset state.
Alarm release methods:
Manual -
break the glass of the smoke release pushbutton and push the button.
Automatic
– depending on the type of sensors used, they will be automatically
activated when the temperature rises or the smoke conditions will
appear.
Automatic release from an external source
– a signal from an external device
(e.g. Fire Alarm Unit) is supplied to the alarm signal-in terminals of the control
unit (Pic. 3 item 35). The alarm will cause 24 V power outage on P13 terminals.
3.5. Deleting an emergency alarm
To delete the alarm status, one first needs to open the unit with the correct key
and determine the source of alarm, using the optical indicators inside the unit (Pic. 2).
Depending on the source of the alarm, remove its cause and reset the alarm:
After manual alarm release
(the RPO line), replace the glass in the alarm
