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11 

00245 

Remote stop buttons

 

SEC-Lw 

To EM Stop connections in the 

panel 

Use terminals TB2 A & C 

Use terminals TB2 A & C 

Remote stop buttons can be  connected to the panel terminal 
marked as “EM STOP” (number 6 ).  
 
The remote buttons must be wired as shown in order to provide a 
“closed contact” for the control panel. 

 
If thermal links are to be installed these should be wired 
in series with the EM stop buttons 

To EM Stop connections in the 

panel 

Indicator bar shows when 
pressed 

Normal 

EM-Stop Activated 

    Multiple Stop Buttons 

    Single Stop Buttons 

     Resetting (indicator bar) 

The stop buttons supplied by Medem are of a “Push Glass, key resettable” style, when activated a yellow indicator bar will 
show and the unit will require resetting using the key provided. 

Multiple stop buttons are wired in series. 
 
If thermal links are to be installed these too should 
be wired in series with the EM stop buttons 
 

Use terminal TB2 A & C 

Содержание SEC-Lw

Страница 1: ...m is installed and commissioned to the satisfaction of the manufacturer A commissioning certificate must be issued to the end user along with instructions for the operation of the equipment As the Man...

Страница 2: ...buttons A and B for engineer functions LED indications Power On green A blind button for displaying gas pressures on the LCD screen Gas Water red when active to warn of live service Fans running light...

Страница 3: ...essure check will isolate gas supply if pressure exceeds 70 mbar 17 Fill prove time for gas pressure proving see page 5 18 Timer adjustment for fan commissioning allows timed period for gas installati...

Страница 4: ...as detectors 1 8 press A B together to view 9 16 Fire Test Mode Press button B three times When connected to a fire alarm panel using the fire alarm terminal no 13 the system will isolate the gas duri...

Страница 5: ...1 Option Headers 18 19 21 20 Fan comm To enable the commissioning of the gas portion of the system before the ventilation interlock is completed you may temporarily disable the interlocking by pressin...

Страница 6: ...e the gas detectors own instructions for more guidance SEC Lw Detector Information VE supply Comm s From either the main panel or an extender Detectors are wired in parallel and can be connected to on...

Страница 7: ...een 1m and 3m from the potential source Care should be taken so they are not located close to the edge of a canopy or in direct flow of the supply or extract ventilation For additional information or...

Страница 8: ...rallel Live feed through the Medem CM2M K2 channel current Monitor fans Fan speed controls Fan live Supply Fire Alarm Requires a volt free NC contact Where using 3 phase fans interlock on a single pha...

Страница 9: ...s fitted the correct way round Note there is no flow through the pressure sender unit it is purely reading the pressures either side of the valve Correct Pressur e Solenoid Never mount the valve such...

Страница 10: ...Solenoid coil of the valve should never be mounted below the horizontal Pressure sender unit should never be mounted upside down to protect from water ingress Approx 400mm length INLET PORT OUTLET PO...

Страница 11: ...ld be wired in series with the EM stop buttons To EM Stop connections in the panel Indicator bar shows when pressed Normal EM Stop Activated Multiple Stop Buttons Single Stop Buttons Resetting indicat...

Страница 12: ...er Medem UK will exchange faulty valves for return to the manufacturer 5 Where a Medem UK engineer or another company appointed by Medem UK commission and installed system then that system will carry...

Страница 13: ...on the LCD display that all the detectors have been recognised by the panel A recognised detector will appear as CO Carbon Monoxide CM combustible CH Carbon Dioxide OX Oxygen depletion and TP Temperat...

Страница 14: ...ssure test If at any point the fans stop running opening the S1 or E1 contact the system will isolate the gas and report fans not running Check that the fans are not only switched on but actually runn...

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