FB1100/FB1200 Flow Computer End Cap Field Replacement Guide
D301814X012
March 2018
FB1100/FB1200 Flow Computer End Cap
Field Replacement Guide
For Part Numbers (Kits):
• 399122-01-0 (with window)
• 399123016-KIT (without window)
Remote Automation Solutions
Device Safety Considerations
Reading these Instructions
Before operating the device, read these instructions carefully and understand their safety implications. In some situations, improperly using this device may result in damage or injury. Keep this manual in a convenient location for future reference. Note that these instructions may not cover all details or variations in equipment or cover every possible situation regarding installation, operation, or maintenance. Should problems arise that are not covered sufficiently in the text, immediately contact Customer Support for further information.
Protecting Operating Processes
A failure of this device – for whatever reason -- may leave an operating process without appropriate protection and could result in possible damage to property or injury to persons. To protect against this, you should review the need for additional backup equipment or provide alternate means of protection (such as alarm devices, output limiting, fail-safe valves, relief valves, emergency shutoffs, emergency switches, etc.). Contact Remote Automation Solutions for additional information.
Returning Equipment
If you need to return any equipment to Remote Automation Solutions, it is your responsibility to ensure that the equipment has been cleaned to safe levels, as defined and/or determined by applicable federal, state and/or local law regulations or codes. You also agree to indemnify Remote
Automation Solutions and hold Remote Automation Solutions harmless from any liability or damage which Remote Automation Solutions may incur or suffer due to your failure to ensure device cleanliness.
Grounding Equipment
Ground metal enclosures and exposed metal parts of electrical instruments in accordance with OSHA rules and regulations as specified in Design Safety Standards for Electrical Systems , 29 CFR, Part 1910,
Subpart S, dated: April 16, 1981 (OSHA rulings are in agreement with the National Electrical Code).
You must also ground mechanical or pneumatic instruments that include electrically operated devices such as lights, switches, relays, alarms, or chart drives.
Protecting from Electrostatic Discharge (ESD)
This device contains sensitive electronic components which be damaged by exposure to an ESD voltage. Depending on the magnitude and duration of the ESD, it can result in erratic operation or complete failure of the equipment. Ensure that you correctly care for and handle ESD-sensitive components.
FB1100/FB1200 Flow Computer End Cap Field Replacement Guide
D301814X012
March 2018
Removing/Replacing End Caps
The flow computer includes two threaded covers called end caps. The front cover includes a window for viewing the HMI module; the rear cover provides access to the terminal plate for power and I/O wiring.
You can replace the end cap in the field provided that the replacement is the identical end cap type.
Restriction
Hazardous area approvals require that any part replaced in the field be the exact same part (like for like). Upgrading or substituting different parts violates hazardous area certification.
Note
Refer to the table below for the correct field replacement part number.
Description
Housing End Cap with Glass Window
(Front Cover)
UL Field Replacement Kit Part Number
399122-01-0
Housing End Cap without Glass Window
Rear Cover)
399123016-KIT
Ambient Temperature Range
May be used up to a maximum ambient temperature of 80C and a minimum ambient temperature of -40C; see end product data plate for ambient temperature.
Required Tools
Tool Usage
3 mm hexagonal torque wrench with range covering 10 to 12 in-lbs (1.1 to 1.4 N m)
UL File Number for these kits is: #192567.
For end cap retaining clamps (if used)
WARNING!
EXPLOSION HAZARD - Ensure the area in which you perform this operation is nonhazardous. Performing this operation in a hazardous area could result in an explosion.
WARNING!
EXPLOSION HAZARD - Never remove end cap(s) in a hazardous location. Removing cover(s) in a hazardous location could result in an explosion.
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FB1100/FB1200 Flow Computer End Cap Field Replacement Guide
D301814X012
March 2018
Important
If this equipment is used in a manner not specified by the manufacturer, the protection provided by equipment may be impaired.
Tip
If you need more leverage place a long screwdriver or other appropriate tool across the two notches in the end cap to act as a pry bar .
Removing or tightening the cover with long screwdriver
Removing/Replacing Retaining Clamp on End Caps
For flameproof ATEX/IEC applications, each end cap includes a retaining clamp which screws down to prevent the end cap from being unscrewed.
Front End Cap with Retaining Clamp Fitted
2
1
2
3
End Cap
Screw
Retaining Clamp
FB1100/FB1200 Flow Computer End Cap Field Replacement Guide
D301814X012
March 2018
Retaining Clamp in Place
To loosen or tighten the screw, use a 3mm hexagonal wrench. When tightening, torque to 10 to 12 in-lbs (1.1 to 1.4 N m).
Components of Retaining Clamp Assembly
1
2
3
Screw
Retaining Clamp
Washer
3
FB1100/FB1200 Flow Computer End Cap Field Replacement Guide
D301814X012
March 2018
Removing End Caps
1.
2.
Remove the retaining clamp (if present).
Grasp the end cap (front or rear).
Front (left) and Rear (right) End Caps
3.
Unscrew the end cap turning it counter-clockwise until the cover comes off. Set it aside in a safe location.
Front (left) and Rear (right) End Cap Removal
4
Replacing End Caps
UL Listed End Cap Field Installed Accessory Kit for Use in Class I, Division 1, Groups
C&D and Class I, Division 2, Groups A, B, C, and D
Flow Computer End Cap with Window Field Installed Accessory Kit Part No.
399122-01-0 and Flow Computer End Cap without Window Pack Field Installed
Accessory Kit Part No. 399123016-KIT for Use with UL Listed Class I, Division 1,
Groups C&D and Class I, Division 2, Groups A, B, C, & D Model Series FB1100 and FB1200.
DANGER
EXPLOSION HAZARD: When replacing end caps, inspect the housing threads for damage. If housing threads are damaged such that you cannot properly seal the end caps, you cannot operate the flow computer in a hazardous area. You must return the flow computer to Emerson for repair or replacement.
1.
Grasp the end cap (front or rear).
FB1100/FB1200 Flow Computer End Cap Field Replacement Guide
D301814X012
March 2018
2.
Carefully align the end cap threads with the threads of the enclosure.
Important
When replacing the rear end cap, ensure wires connecting to the terminal plate do not get crimped or caught between the end cap threads and the enclosure.
3.
Screw the end cap clockwise (eight full turns) until it is tightly sealed to the enclosure.
Note
If you need more leverage place a long screwdriver or other appropriate tool across the two notches in the cover to act as a pry bar.
4.
If applicable, tighten the retaining clamp onto the end cap using a 3mm hexagonal wrench. When tightening, torque to 10 to 12 in-lbs (1.1 to 1.4 N m).
5
FB1100/FB1200 Flow Computer End Cap Field Replacement Guide
For customer service and technical support, visit www.Emerson.com/SupportNet
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