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Installation & Operation Manual                                                                                   Merlin  

 

 

 

 

 

IOM

 

Rev: 05    01-20

 

 

 

 

 

Merlin  

Gas, Electric and Water Isolation Controller with Ventilation Interlocking 

 

 

 

 



Installation & Operation Manual 

Please read this manual carefully and retain for future use. 

 

 

The Merlin  gas pressure proving, electric and water isolation system is designed 
specifically for use in educational buildings and Laboratories 

with ventilation interlocking 

between the ventilation system and the gas solenoid valve. The system is compatible with both 
current monitors and air pressure differential switches in order to interlock with up to two fans.

 

 
The system is designed to give full control over incoming gas supply, bench electrics and 
water services with the lockable main key-switch and touch sensors. 

 

Содержание Merlin 1000VW+

Страница 1: ...electric and water isolation system is designed specifically for use in educational buildings and Laboratories with ventilation interlocking between the ventilation system and the gas solenoid valve T...

Страница 2: ...Mounting 3 Typical Installation Arrangement 4 Terminal Connections 4 Switch Settings 7 Specification 9 OPERATION 10 First Power Up 10 Emergency Shut Off Button 10 LED Indicators 10 Servicing General M...

Страница 3: ...on monoxide and LPG sensors The Merlin 1000VW also has a built in timeout facility which will automatically shut off the gas solenoid valve at the end of a specific time period this time period can be...

Страница 4: ...s supply to the panel the power LED indicator will light up this is located on the front cover S S Northern Logo 2 GAS SOLENOID VALVE OUTPUT 100 240V AC electrical power supplied from the VALVE OUT co...

Страница 5: ...mon NC Normally Closed These are volt free connections This is a relay that changes state in alarm or when the gas is on off and can be used in conjunction with the 12V DC output and other external re...

Страница 6: ...r via external mains power supply Refer to your CO2 monitor manual for further information 9 FAN SWITCHES This terminal switches when the key is turned on and off This can be connected to a fan switch...

Страница 7: ...ther on or off valve open or valve closed This will tell the BMS whether or not power is being sent to the solenoid valve OFF Signals the BMS when gas is on or gas is off Default ON Signals the BMS on...

Страница 8: ...in 1000VW can be integrated with a fire alarm to close the gas supply automatically in the event of a fire The volt free fire alarm signal can be wired in series with any remote emergency shut off but...

Страница 9: ...Specification Model 1000VW Visual Indication LED Mains Electrical Power Input 100 240VAC Gas Solenoid Valve Output 100 240VAC Electrical Contactor Output 100 240V AC Water Solenoid Valve Output 100 24...

Страница 10: ...ff button is located on the front of the panel There is also a facility for remote shut off buttons to be wired in series on the circuit board The emergency shut off button s will cut off the gas supp...

Страница 11: ...out Under normal working conditions this LED is off This LED will illuminate AMBER when auto shut down has occurred OFF OK ON Auto shut down activated EM Stop If an emergency shut off button either re...

Страница 12: ...rature fluctuations cleaning products contaminants or sensor drift ageing can cause a decline in sensitivity and eventual failure Regular bump tests are important to make sure the detector is able to...

Страница 13: ...use neglect tampering or other causes not arising from defects in material or workmanship This warranty extends to the original consumer purchaser of the product only Warranty disclaimers Any implied...

Страница 14: ...Installation Operation Manual Merlin 1000VW 1000VW IOM Rev 05 01 20 14 Notes...

Страница 15: ...Installation Operation Manual Merlin 1000VW 1000VW IOM Rev 05 01 20 15 Notes...

Страница 16: ...tallation Location Organisation Stamp Signature of the installer CONTACT US S S Northern Head Office Tel 44 0 1257 470 983 Fax 44 0 1257 471 937 www snsnorthern com info snsnorthern com South East Div...

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