CORONA RCF15 Instruction Manual Download Page 3

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Avoid installing the product in the following locations. Otherwise, failure may occur.

 Locations where there are special chemicals or corrosive gases.

 Locations where there are water droplets or excessive humidity.

 Locations exposed to high temperatures.

 Locations subject to prolonged vibration.

Do not disassemble the product. Otherwise failure or electric shock may occur.

Do not press the reset button too hard. Otherwise the button may be damaged.

Installation, wiring, inspection, adjustment, maintenance, etc., of the product
should be performed by an experienced technician who has acquired the
knowledge and skills related to the combustion equipment and the product.

When the safety switch for this product is operated or lockout occurs, remove the
cause first, and then reset the product. Do not repeat reset many times
continuously.

Select the product and other combined devices according to the operation type of
the combustion equipment (batch operation, continuous operation).

Do not operate the product out of the rated specifications specified in the
instruction manual of the product. Otherwise, failure or malfunction may occur.

Perform wiring of the product correctly according to the specified standards with
the cables and wiring method specified in the instruction manual. Otherwise,
failure or malfunction may occur.

Be sure to turn off all power supplies of the product and the connected devices at
installation, removal, and wiring of the product. Otherwise, electric shock may

Batch operation type equipment starts and stops one or more times within 24
hours. Continuous operation type equipment continues combustion for 24 hours
or more.

Perform maintenance and inspection properly by observing the method, how to
handle, replacement intervals, etc., specified in the instruction manual of the
product. Otherwise, failure may occur.

The product is equipped with very important functions to operate the combustion
equipment safely.
For proper use of the product, observe this instruction manual, instruction manuals
of the combined devices, instruction manuals of the combustion equipment, etc.

Inappropriate selection or combination may lead to a serious accident of the
combustion equipment.

ii

WARNING 

CAUTION 

Summary of Contents for RCF15

Page 1: ...device and use the manual for quick reference when needed Reproduction of a part or all of the contents of this instruction manual without permission is prohibited The contents of this instruction ma...

Page 2: ...at operation start PRECAUTIONS FOR SAFETY i The following are important items for safe use Be sure to read them before installation and start of use INTRODUCTION FEATURES OF THE PRODUCT This instructi...

Page 3: ...out of the rated specifications specified in the instruction manual of the product Otherwise failure or malfunction may occur Perform wiring of the product correctly according to the specified standar...

Page 4: ...ition 4 1 sec 11 1 sec Flame detection threshold 15 1 sec 15 1 sec 250VA Terminal Alarm 75VA Page 9 Product Specifications AC100V 85 110 50 60 7VA Terminal Ignition transformer Power supply frequency...

Page 5: ...ct 7 8 9 Contact failure may generate high frequency radio waves which may cause malfunction 10 2 Installation and Wiring Do not bundle the power cable or the high voltage cable of the ignition transf...

Page 6: ...the reverse procedure of the above 3 Installation method of the subbase 1 2 Secure the subbase at the specified position with screws At this time be careful not to apply excessive force to the screws...

Page 7: ...with the installation of the main body Fig 3 shows the terminal layout of the subbase Fig 5 shows an example of wiring connection with external devices Ensure that the wiring is correct and then plug...

Page 8: ...applied to the terminal when the air pressure switch is turned on Operation in Circuit 1 RCF15 Operation in Circuit Burner motor stops Pilot valve OFF Main valve OFF Combustion Alarm indicator LED is...

Page 9: ...ilot valve are set to ON simultaneously and the Combustion Alarm indicator LED illuminates The state becomes post ignition when a flame is detected during the ignition trial within 4 seconds The burne...

Page 10: ...ition Failure in the above Item 3 When a false flame signal continues even after the prepurge timing When a false flame signal is issued during the prepurge and the signal continues beyond the prepurg...

Page 11: ...tline Drawing 4 Fig 7 Fig 8 M3 5 Terminal screw 10 Pg9 15 5 Knock out hole for conduit 2 M4 Terminal screw 3 Pg11 19 4 Knock out hole for conduit Securing screw 112 Dimension required to remove the re...

Page 12: ...e flame rod If the flame rod is normal the RCF15 main body is defective Please replace it 2 If the flame rod is defective replace it with a non defective one 9 When the pilot burner ignites check the...

Page 13: ...ote The contents of this document are subject to change without notice Operation where ignition sparks are not stopped immediately but kept for a fixed period of time to make flames stable when the pi...

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