S&S Northern Merlin 3000S Installation & Operation Manual Download Page 3

User Manual                                 

                                                                                                                     Merlin 3000S  

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Important Information 

Warning Symbol

  

 

Where this symbol is used, consult the manual to understand any potential hazards and how to avoid them. 

 

 

The information contained within this manual should be referenced for typical installation and operation only.  

 

Isolate the equipment from all hazardous live power sources before opening the cover. 

 

Any parts that form part of the connections/installation must have a minimum fire-retardant rating of UL 94 V-1. 

 

For site specific requirements that may deviate from the information in this guide 

 contact your supplier.  

 

If the equipment is used in a manner not specified, the safety provided by the equipment may be impaired. 

 

This device is designed for indoor operation only. 

 

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. 

 

The device is not intended for use in potentially explosive atmospheres. 

 

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

 

Warranty Statement 

All products are engineered, designed and 100% quality tested in accordance with the latest internationally 

recognised standards under a Quality Management System that is certified to ISO 9001. The manufacturer 
warrants to the original consumer purchaser, that this product will be free of defects in material and 

workmanship for a period of three (3) years from date of purchase. The manufacturer’s liability hereunder is 

limited to replacement of the product with repaired product at the discretion of the manufacture. This 
warranty is void if the product has been damaged by accident, unreasonable 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.  

Any implied warranties arising out of this sale, including but not limited to the implied warranties of 

description, merchantability and intended operational purpose, are limited in duration to the above 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 consumer or any other user of 
this product, whether due to a breach of contract, negligence, strict liability in tort or otherwise. The 
manufacturer shall have no liability for any personal injury, property damage or any special, incidental, 
contingent, or consequential damage of any kind resulting from gas leakage, fire, or explosion. This warranty 
does not affect your statutory rights.  

During the above warranty period, your product will be replaced with a comparable product if the defective 

product is returned together with proof of purchase date. The replacement product will be in warranty for the 
remainder of the original warranty period or for six months 

 whichever is the greatest. 

 

Information for consumers of electrical & electronic equipment. 

When this product has reached the end of its life, treat 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 3000S

Page 1: ...ion System INSTALLATION OPERATION MANUAL Please read these instructions carefully and retain for future use These instructions can be downloaded in electronic form on the product website www snsnorthe...

Page 2: ...g 4 Electrical Connections 5 Access Navigate Settings 10 Settings Switch 1 Overview 11 Settings Switch 2 Overview 12 Duct Temperature vs 0 10V Fan Output 13 Operation 15 Initial Power Up 15 Adjust the...

Page 3: ...ereunder is limited to replacement of the product with repaired product at the discretion of the manufacture This warranty is void if the product has been damaged by accident unreasonable use neglect...

Page 4: ...t cooking environment Conversely when only minimal gas is being used and the CO2 levels are low the Merlin 3000S will reduce the speed of the ventilation systems saving energy and money The optical se...

Page 5: ...ese terminals are used to receive an input signal from external air pressure switches or external current monitors These terminals are linked out as a factory setting Wiring to air pressure differenti...

Page 6: ...k as normally closed N C or normally open N O 8 FAN ENABLE Supply This terminal will switch when the key is turned on and off These terminals are linked to a fan switch speed controllers supplied sepa...

Page 7: ...CO2 Monitor will automate the speed of extract and supply fans dependant on CO2 detected levels detected 13 CO2 Zone 2 0 10V Input A 0 10VDC signal from a Merlin CO2 Monitor will automate the speed o...

Page 8: ...output unit pulse and high density pulse The Merlin 3000S requires a high density pulse wire 16 FIRE PANEL The terminal for fire alarms is detailed on the circuit board as FIRE PANEL These connections...

Page 9: ...R 1 2 are wired to the optical sensor supplied separately 19 DUCT TEMP ZONE 1 This is a low resistance connection to the duct temperature sensor to drive fans on an automatic varied speed based on ext...

Page 10: ...regulate external fan speed controllers supplied separately which can accept this control signal Access Navigate Settings There are two internal Settings Dipswitches 1 and 2 Turn the key to the Off P...

Page 11: ...ELECTION The Merlin 3000S has a four 4 combination emergency selection feature FANS OFF Extract Supply fan OFF default FANS ON Extract Supply fan ON at maximum speed SUPP ON Extract fan is OFF Supply...

Page 12: ...successful calibration If the system encounters a problem the screen may display the following Too many pulses Not enough pulses The 3000S will automatically increase the calibration time when it rece...

Page 13: ...DO NOT RECOMMEND A SUPPLY FAN SPEED HIGHER THAN EXTRACT FAN SPEED 5V EXTRACT FAN ENABLE The Merlin 3000S has a built in fan speed control ON OFF feature This can work as N O or N C NC SUPPLY FAN ENABL...

Page 14: ...p to Extract fan 0 10V out At minimum speed Supply fan 0 10V out At minimum speed 0 25 25 0 0 0 1 25 1 30 5 5 5 0 2 30 1 35 6 0 5 4 3 35 1 40 6 5 5 9 4 40 1 45 7 0 6 3 5 45 1 50 7 5 6 8 6 50 1 55 8 0...

Page 15: ...the fan s reach the speed set by the engineer After the fan s have reached the desired settings the system will continue as normal Under normal conditions The display will show fan speed When Fan Ove...

Page 16: ...Terminals When CO2 gas is detected above alarm level see CO2 Monitor manual the screen will display CO2 HIGH indication and the fans output will be at maximum speed When the CO2 gas returns below ala...

Page 17: ...return to normal Fault Status Screens EMERGENCY STOP If an emergency stop button remotely or direct is pressed the gas and contactor will shut off Fans can be driven in a combination upon emergency st...

Page 18: ...OTECTION The Merlin 3000S has a built in solid fuel protection feature When the system is switched off and the solid fuel protection is set to ON it will continue to instruct the system to check the C...

Page 19: ...Power Consumption 6 9W max AC Power Rating 100 240V 50 60Hz Maximum Current 28mA Extract Supply Fan Output 0 5A Max Internal Fuse T3 15A L250V Equipment Overvoltage Category II Pollution Degree 2 Equi...

Page 20: ...nces S S would greatly appreciate being informed of any errors or omissions that may be found in the content of this document For information not covered in this document or if there is a requirement...

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