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Merlin CT1200S

 

 

 

 

 

                                         

User Guide 

 

 

Rev: 03    05-23

 

3  

General information  

 

The Merlin CT1200S is a ventilation interlock panel. 

 

The Merlin CT1200S can receive connections from remote air pressure differential switches and 
remote emergency shut-off buttons. It can also be integrated with a BMS and fire alarm.  

 

It is recommended that the user reads this guide before using the system. Please do NOT 
attempt to operate the unit until the contents of this document have been read and are 
thoroughly understood.    

 

1.1

 

Panel Mounting 

The control panel is designed for surface mounting using 4 mounting screws. Removing the 
cover on the panel gives access to the circuit board.  

 

The PCB should be removed before drilling entry holes into the case 

 

 

 

 

Important Warning Statements 

 

 

Never ignore your device when in alarm. 

 

This device requires a continual supply of electrical power 

 it will not work without power. 

 

This device should not be used to substitute proper installation, use and/or maintenance of fuel burning 

appliances including appropriate ventilation and exhaust systems. 

 

Your product should reach you in perfect condition, if you suspect it is damaged, contact your supplier. 

 

 

 

 

 

 

 

 

 

 

 

 

 

Information on waste disposal for consumers of electrical & electronic equipment. (EEE) 

When this product has reached the end of its life it must be treated as Waste Electrical & Electronics Equipment 

(WEEE). Any WEEE marked products must not be mixed with general household waste, but kept separate for 

the treatment, recovery and recycling of the materials used.  

 

Please contact your supplier or local authority for details of recycling schemes in your area. 

Summary of Contents for Merlin CT1200S

Page 1: ...ation Interlock system Installation Operation Maintenance Please read this manual carefully and retain for future use For specific requirements that may deviate from the information in this guide cont...

Page 2: ...als 4 2 1 POWER IN 4 2 2 TO VALVE 4 2 3 TO BMS 4 2 4 EM REMOTE 4 2 5 FAN PD SWITCHES 4 3 Installation Operation 5 3 1 System ON and OFF 5 3 2 Emergency Shut Off 5 3 3 BMS Integration 5 3 4 Fire Alarm...

Page 3: ...y holes into the case Important Warning Statements Never ignore your device when in alarm This device requires a continual supply of electrical power it will not work without power This device should...

Page 4: ...on COM and normally open N O These are volt free connections 2 4 EM REMOTE The terminal for remote emergency shut off buttons is detailed on the circuit board as EM REMOTE These connections are linked...

Page 5: ...4 Fire Alarm Integration The Merlin CT1200S can be integrated with a fire alarm to close the gas supply automatically in the event of a signal from the fire alarm panel The volt free fire alarm signa...

Page 6: ...normal working the LED will illuminate GREEN If a supply fan fault is present the LED will be flashing If the LED flashes for more than 20 seconds the gas will be shut off ON OK FLASHING the supply f...

Page 7: ...ice NEVER paint the device Paint will seal vents and interfere with the device 6 CT1200S Wiring Spec 1 POWER IN Mains Input 100 240VAC Single Phase 2 TO VALVE Gas Solenoid Valve Power Output 100 240VA...

Page 8: ...warranty period In no event shall the manufacturer be liable for loss of use of this product or for any indirect special incidental or consequential damages or costs or expenses incurred by the consum...

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