Smoke and Heat Exhaust Control Unit mcr 9705
– User Instruction Manual
Strona 5 z 24
Pic. 2
Inside view of the control unit’s door.
On the inside of the control unit’s door there’s an audio alarm device (22) and the
optical indicator board (23). Optical indicators are used for the system diagnostics:
Item Color
Information
7
red
alarm; source: sensor line
8
red
alarm; source: pushbutton line
9
red
alarm; source: external input terminal
10
yellow
defect to the actuator line (line gap)
11
yellow
defect to the sensor line (line gap)
12
yellow
defect to the pushbutton line (line gap or short-circuit)
13
not installed
14
yellow
not used
15
yellow
disconnection of the sensor line (SW1-2)
16
yellow
disconnection of the pushbutton line (SW1-3)
17
yellow
disconnection of the in/out connectors providing information
about alarm and defect (SW1-4)
18
green
power supply (same as on the front panel)
19
yellow
ready (same as on the front panel)
20
yellow
check
– testing the correct operation of signals
21
red
indication of open vent or dropped curtain (same as on the front
panel)
22
23
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
