Helios EVS Series Installation And Operating Instructions Manual page 59

Installation and Operating Instructions
Smoke exhaust fan control system – EVS
Fig . 4
Display GREEN: System operational
Display YELL.: System OFF, due to fireman's switch (FWS) "Off" or input "Block"
Display YELL.: Input "Rep-switch" open or microfuse (F1, F2) dropped
Display YELL.: System OFF, due to fireman's switch (FWS) "Off" or input "Block"
Display YELL.: Motor protection triggered or input "Motor prot." open, signal self-holding
"Reset" button: After checking and resetting the external monitoring device
Switch ON: Trigger via the fire alarm system not self-holding
Switch DKM: Detector circuit for latching or spring-return pushbutton alarm
Rot. poti St. 1: Setting output voltage 0-5 V for fan stage 1
Switch 10 V: Output voltage in smoke extraction mode 10 V fixed
Button: Press: Trigger of HRM (DKM), BMZ and motor protection is reset. Only possible if
Input terminal 60/61: Function is same as via button "Sys. reset".
RED: System in smoke extraction mode
OFF: System fault exists
Operating module (AES-BTxS) unplugged or see onboard diagnosis display
RED: Trigger in self-hold
OFF: No fault
RED: Trigger in self-hold
OFF: Detector circuit without fault, no trigger
OFF: No fault exists
press button to reset signal
OFF: Trigger via the fire alarm system self-holding
(wire breakage = trigger)
Setting for analogue output to terminal 25/26
St. 2: Setting output voltage 5-10 V for fan stage 2 and smoke extraction mode
St. 2: Output voltage in smoke extraction mode same as for fan stage 2
Reset stored trigger
alarm no longer exists
1 sec. press: Trigger of automatic smoke detector (RM) is reset and the detector
circuit is interrupted for 3 sec.
3 sec. press: Trigger of fireman's switch (FWS) is reset. Only possible if fireman's
switch (FWS) is "Off" first
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