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DESCRIPTION

The nVent RAYCHEM JBS-100-EC is a replacement kit that can 

be used to replace the electronic controller used in the JBS-100-

ECP-A and the JBS-100-ECW-A.
For technical support call nVent at (800) 545-6258.

TOOLS REQUIRED

•  Large slotted screwdriver

•  Small slotted screwdriver

This component is an electrical device that must be installed correctly to ensure proper operation and to prevent shock or fire. Read these 

important warnings and carefully follow all of the installation instructions.
•  To minimize the danger of fire from sustained electrical arcing if the heating cable is damaged or improperly installed, and to comply with 

the requirements of nVent, agency  certifications, and the National Electrical Code, ground-fault equipment protection must be used. Arcing 

may not be stopped by conventional circuit breakers.

•  Component approvals and performance are based on the use of nVent-specified parts only. Do not use substitute parts or vinyl electrical tape.

• The black heating cable core and fibers are  conductive and can short. They must be properly insulated and kept dry.

• Damaged bus wires can overheat or short. Do not break bus wire strands when scoring the jacket or core.

• Keep components and heating cable ends dry before and during installation.

• Use only fire resistant insulation materials, such as fiberglass wrap or flame-retardant foam.

WARNING:

CAUTION:

KIT CONTENTS

Item Qty  Description

JBS-100-EC board

APPROVALS

C

US

Nonhazardous locations

JBS-100-EC

Electronic Controller Replacement kit for JBS-100-ECP-A and  

JBS-100-ECW-A Installation Instructions

HEALTH HAZARD: Prolonged or repeated contact with the sealant in the core sealer may cause skin irritation. Wash hands thoroughly. 

Overheating or burning the sealant will produce fumes that may cause polymer fume fever. Avoid contamination of cigarettes or  tobacco. 

Consult MSDS RAY5510 for further  information.
CHEMTREC 24-hour emergency telephone:  

(800) 424-9300

Non-emergency health and safety information:  

(800) 545-6258

.

Summary of Contents for JBS-100-EC

Page 1: ...specified parts only Do not use substitute parts or vinyl electrical tape The black heating cable core and fibers are conductive and can short They must be properly insulated and kept dry Damaged bus wires can overheat or short Do not break bus wire strands when scoring the jacket or core Keep components and heating cable ends dry before and during installation Use only fire resistant insulation m...

Page 2: ... You can then use this diagram for reference when rewiring Disconnect all wires Remove the screws and the PC board Note You may need to loosen or remove external fittings on the box to get the PC board out Install the new PC board using the four copper screws Note Once installed tighten any external fittings WARNING Shock Hazard Before you begin dismantling your controller turn OFF THE power and l...

Page 3: ...r MI heating cable RTD Heating cable ground GLCB Phase A Phase B Ground Pipe Mounted Enclosures JBS 100 ECP A Wall Mounted Enclosures JBS 100 ECW A Incoming Power GLCB Phase A Phase B Alarm Ground MI heating cable using direct connection RTD MI heating cable Power Terminal Block RTD Input Optional Alarm Contacts 5 6 Reconnect all wiring Use the wiring diagrams below for reference Replace wire cove...

Page 4: ...avigating the Menu in Set up Mode To activate set up mode press Menu button for approximately 5 seconds The display will change to the default mode for units Use the Up and Down buttons to change values Use the Next button to change to next display code parameter When completed secure the enclosure cover Powering Controller via Line Power Turn on branch circuit breaker that supplies power to the c...

Page 5: ...m set point must always be larger than the maintain set point plus the deadband plus 5 F 3 C 2 The maximum low temperature alarm set point must always be smaller than the maintain set point minus the deadband Display Code Parameter Default Min Max 1 Units F or C F 2 Maintain set point 40 F 32 F 0 C 425 F 218 C 3 Deadband 5 F 1 F 1 C 10 F 10 C 4 High Alarm 1 Off 38 F 3 C 482 F 250 C 5 Low Alarm 2 O...

Page 6: ...specifications without notice Raychem IM H57564 JBS100EC EN 1805 PN P000000302 nVent com North America Tel 1 800 545 6258 Fax 1 800 527 5703 thermal info nvent com Europe Middle East Africa Tel 32 16 213 511 Fax 32 16 213 604 thermal info nvent com Asia Pacific Tel 86 21 2412 1688 Fax 86 21 5426 3167 cn thermal info nvent com Latin America Tel 1 713 868 4800 Fax 1 713 868 2333 thermal info nvent c...

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