Page 3 - Important Instructions
Important Instructions Net Safety Monitoring, Inc (Net Safety) designs, manufactures and tests products to function within specific conditions. Because these products are sophisticated technical instruments, it is important that the owner and operation personnel must strictly adhere both to the info...
Page 4 - Notice
Notice The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed as warranties or guarantees, expressed or implied, regarding the products or services described herein or their use or ap...
Page 5 - Warranty
Warranty 1. Limited Warranty. Subject to the limitations contained in Section 10 (Limitation of Remedy and Liability) herein, Seller warrants that (a) the licensed firmware embodied in the Goods will execute the programming instructions provided by Seller; (b) that the Goods manufactured by Seller w...
Page 7 - Contents
Reference Manual Table of Contents MAN-0081, Revision 4 July 2014 Table of Contents I Contents Section 1 : Introduction ....................................................................... 1 1.1 Models covered ..........................................................................................
Page 9 - Section 1: Introduction; Models covered; Service support
Reference Manual MAN-0081, Revision 4 July 2014 1 Section 1: Introduction 1.1 Models covered The Net Safety JB series junction box is a multi-purpose junction box that is used with numerous Net Safety products. It can be used as a termination box for flame detectors or for remote mounting gas sensor...
Page 10 - Return of material; Product recycling/disposal
Reference Manual July 2014 MAN-0081, Revision 4 2 1.3 Return of material To expedite the repair and return of this product, proper communication between the customer and the factory is important. Before returning a product for repair, call +1866 347 3427 or e-mail [email protected] for a Materi...
Page 11 - Section 2: Installation; Unpacking and inspection; Mounting
Reference Manual MAN-0081, Revision 4 July 2014 3 Section 2: Installation 2.1 Unpacking and inspection Carefully remove all of the components from the packaging and verify them against the enclosed packing list. Inspect all components for any obvious damage such as broken or loose parts. If you find...
Page 12 - Wiring; Device separation distance; Seals
Reference Manual July 2014 MAN-0081, Revision 4 4 2.4 Wiring Failure to follow these installation guidelines could result in death or serious injury. Ensure that only qualified personnel perform the installation. Electrical shock could cause death or serious injury. Use extreme caution when making c...
Page 13 - Terminal block connections
Reference Manual MAN-0081, Revision 4 July 2014 5 Seals should be located as close to the device as possible and not more than 18 inches (46cm) away; seal all conduits within 18 inches (46cm). Consult the local electrical code for specific requirements. Explosion proof installations may require an a...
Page 14 - Ground connections; Installation checklist
Reference Manual July 2014 MAN-0081, Revision 4 6 2.4.4 Ground connections The junction box is equipped with an internal and external earth ground lug. One crimp connector is provided for each ground lug. On installation, crimp the ground wire to crimp connector and then securely fasten crimp connec...
Page 15 - Section 3: Terminal board configurations; Flame detection
Reference Manual MAN-0081, Revision 4 July 2014 7 Section 3: Terminal board configurations There are multiple terminal board configurations facilitated by the JB series junction box. This allows effective, safe, and accurate terminations and sensor separation requirements across the Net Safety produ...
Page 20 - Gas detection; Models: Millennium II ST3 and SC3 sensor series
Reference Manual July 2014 MAN-0081, Revision 4 12 3.2 Gas detection In the following drawings, the sensor wiring side refers to the wiring between the gas transmitter and the junction box terminals. The transmitter wiring side refers to wiring between the transmitter and the junction box terminals....
Page 21 - Millennium SIR100 and APM
Reference Manual MAN-0081, Revision 4 July 2014 13 3.2.2 Millennium SIR100 and APM 3.2.3 Millennium ST1 toxic sensor series Sensor wiring Terminal Color Function 1 (GND) Green Earth ground 2 White Vdc (+) 3 Black COM (-) 4 Blue A (Comm) 5 Red B (Comm) 6 Not used 7 Not used Transmitter wiring Termina...
Page 22 - Millennium SC1 combustible sensor series
Reference Manual July 2014 MAN-0081, Revision 4 14 3.2.4 Millennium SC1 combustible sensor series 3.2.5 Millennium ST2 & Gas Shield ST7 toxic sensor series Sensor wiring Terminal Color Function 1 (GND) Green Earth ground 2 White Vdc (+) 3 Red Signal 4 Black COM (-) 5 Not used 6 Not used 7 Not us...
Page 23 - Common junction boxes
Reference Manual MAN-0081, Revision 4 July 2014 15 3.3 Common junction boxes 3.3.1 HART Port remote connection box (JB-MPH-A/S) The HART Port connector plugs onto the PCB board. The Black wire is a safety ground. Connect the black wire to earth ground. When no earth ground is available connect the b...
Page 24 - Section 4: Maintenance; Troubleshooting; Spare parts and accessories
Reference Manual July 2014 MAN-0081, Revision 4 16 Section 4: Maintenance 4.1 Troubleshooting The junction box is not designed to be repaired in the field. If problems should develop, first check for faulty wiring and confirm proper voltage to the junction box. If problems persist, please contact Ne...
Page 25 - Section 5: Electrostatic sensitive device
Reference Manual MAN-0081, Revision 4 July 2014 17 Section 5: Electrostatic sensitive device Definition: Electrostatic discharge (ESD) is the transfer, between bodies, of an electrostatic charge caused by direct contact or induced by an electrostatic field. The most common cause of ESD is physical c...
Page 26 - Section 6: Wire resistance table
Reference Manual July 2014 MAN-0081, Revision 4 18 Section 6: Wire resistance table Distance Feet (Meters) AWG #20 0.5mm 2 AWG #18 0.8mm 2 AWG #16 1.0mm 2 AWG #14 2.0mm 2 100 (30.5) 1.02 0.64 0.40 0.25 200 (61) 2.03 1.28 0.80 0.51 300 (91.4) 3.05 1.92 1.20 0.76 400 (121.9) 4.06 2.55 1.61 1.01 500 (1...
Page 27 - Section 7: Specifications; Electrical
Reference Manual MAN-0081, Revision 4 July 2014 19 Section 7: Specifications 7.1 Electrical 7.1.1 Operating voltage 10 to 32 Vdc 7.1.2 Conduit entries 3 x 3/4” NPT 7.1.3 Power consumption (JB-IR3SAR) Nominal: 170mA (1.7W) @10Vdc Maximum: 275mA (2.9W) @ 10Vdc Nominal: 73mA (1.8W) @ 24Vdc Maximum: 117...
Page 28 - Weight
Reference Manual July 2014 MAN-0081, Revision 4 20 7.2.6 Weight Aluminum: 2.0lbs, 0.8kg Stainless steel: 3.5lbs, 1.6kg 7.3 Warranty 2 years
Page 29 - Section 8: Certifications; North America; IECEx
Reference Manual MAN-0081, Revision 4 July 2014 21 Section 8: Certifications 8.1 North America Class I, Division 1 Groups B,C, D T5 Class I, Zone 1 Ex d IIB +H 2 T5 (Canada) Class I, Zone 1 AEx d IIB +H 2 T5 (United States) -55°C ≤ Ta +85°C NEMA Type 4X/IP67 8.2 ATEX 0575 II 2G Ex d IIB+H 2 T5 Gb -5...
Page 30 - Section 9: Ordering information
Reference Manual July 2014 MAN-0081, Revision 4 22 Section 9: Ordering information Model Description JB Multi-purpose termination box Type Performance IR3SAR 4-20mA Analog and Fire & Fault Relays (IR3S only) MPD Digital Output (Gas Sensors & APM Only) MPG General junction box MPH Used to sep...
