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Vertical Float Switch
Vertical Float Switches
Installation, Operation & Maintenance Manual
Series JB_ _ F
Installation, Operation, & Maintenance Instructions
Series JX_ _ F
www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500
Section: JS500
Bulletin: JS500.03
IOM JS500.03
Date: 2016.04
2016.04
Supersedes: March 2015
Series JD_ _ F
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Table of Contents
Related Manuals for Jerguson JB**F Series
Summary of Contents for Jerguson JB**F Series
- Page 1 Installation, Operation, & Maintenance Instructions Section: JS500 Vertical Float Switch Bulletin: JS500.03 IOM JS500.03 Date: 2016.04 Vertical Float Switches 2016.04 Installation, Operation & Maintenance Manual Supersedes: March 2015 Series JB_ _ F Series JD_ _ F Series JX_ _ F www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500...
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Page 2: Table Of Contents
Installation, Operation, & Maintenance Instructions IOM JS500.03 Vertical Float Switches 2016.04 Table of Contents Principle of Operation Switch Assembly Identification Model Number – Part 1: Switch Assembly Model Number – Part 2: Spare Enclosure & Pressure Tube Model Number – Part3: Conversion Kits Electrical Characteristics, Wiring Examples, & Switch Ratings Switch Mechanisms – Simple Apparatus Installation – Part 1: Switch Assembly Installation – Part 2: Spare Enclosure & Pressure Tube Installation – Part 3: Conversion Kits Installation Specific to Hazardous Area Putting the Switch into Service Taking the Switch out of Service Maintenance Dimensional Data 12‐13 Switching Point Adjustment Bolting: Torque Values & Tightening Sequence Switch Mechanism Replacement Spare/Replacement Parts Parts Store www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500... -
Page 3: Principle Of Operation
IOM JS500.03 Vertical Float Switches 2016.04 Principle of Operation ‘Primary’ magnet encased in Secondary ® Switching is achieved with the Jerguson Tri-Magnet 316 stainless steel switch mechanism system, giving snap-action, “latch-on” switching. magnet Contact pair on Vertical movement of the primary magnet A in a glandless contact blades... -
Page 4: Model Number - Part 1: Switch Assembly
Model Number - Part 1: Switch Assembly 1F SA7F 1 X4 1 1 WN Product Line/Tagging = Jerguson ® (Omitted) = Magne-Sonics Chamber Design Style (A-Z, Not w/in Ex scope) = Bottle/Sealed Chamber = Flanged Chamber or Head Ass'y Only = Top Mount (No Chamber) Chamber/Process Conn. -
Page 5: Model Number - Part 2: Spare Enclosure & Pressure Tube
= SS for RA7, Ex-Proof FM (Short) (Al Alloy, 1 Switch) Nameplate & Enclosure = Jerguson for LA4, Weatherproof NEMA 4 / IP66, (Long) (1-3 Switches) = Jerguson for SA4, Weatherproof NEMA 4 / IP66 (Std.) (1-2 Switches) = Jerguson for SA7, Ex-Proof FM (Std.) (Al Alloy, 1-2 Switches) = Jerguson for SI7, Ex-Proof FM (Std.) (Cast Iron, 1-2 Switches) -
Page 6: Electrical Characteristics, Wiring Examples, & Switch Ratings
HLA Switch Two switch pump control circuit using auxiliary contacts on starter. Note diagram shows starter fitted with 250V coil for 3-phase LLA Switch 3-wire supply connect coil terminal N to line 1 and fit 440V coil. www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500... -
Page 7: Switch Mechanisms - Simple Apparatus
That suitable temperature rated cable is used. Note: The cable entry temperature may exceed 70°C d. The float is protected from impact or friction, or static electrical build-up from fast flowing non- conductive fluids, that could generate an ignition source. www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500... -
Page 8: Installation - Part 1: Switch Assembly
Before energizing, ensure the cover locking safety grub screw is replaced and tightened. Do not energize if the cover locking safety grub screw is missing. Before energizing, ensure that the fiber sealing washer and hexagon bolt were reinstalled Weatherproof models: at the top of the cover. www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500... -
Page 9: Installation - Part 2: Spare Enclosure & Pressure Tube
Installation shall be carried out by suitably trained personnel in accordance with applicable codes of practice. For hazardous area installations, also see ‘Installation Instructions Specific to Hazardous Areas’ section, page 10. 1. Refer to Document JS500.06 for complete conversion instructions. www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500... -
Page 10: Installation Specific To Hazardous Area
Ambient Air Temperature (Ta) (-50°C ≤ Ta ≤ +60°C) T Class Process Temperature (Tp) Allowable process temperature (Tp) ‐50°C TO 80°C FM Approval Standards: FM Class 3600:2011, FM Class 3615:2006, FM Class 3616:2011, ‐50°C TO 95°C FM Class 3810:2005. ‐50°C TO 130°C The Temperature Class applicable for each application is determined by the ‐50°C TO 195°C process temperature (Tp) as shown in the table above. ‐50°C TO 295°C ‐50°C TO 455°C www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500... -
Page 11: Putting The Switch Into Service
3. Remove any remaining fluid from the chamber using a drain valve, drain plug, or the lowest connection. ® Maintenance of the Jerguson Vertical Float Switch Inspection and maintenance shall be carried out by suitably trained personnel in accordance with all local and national codes. -
Page 12: Dimensional Data
G = Enclosure Height. See table on page 13. Model -4F JB_5F JX_5F 2.00 Dim C1 (in) 5.00 Dim C2 (in) Dim D (in) Default trip locations at minimum operating SG. See ‘Switching Point Adjustment’ section, page 13. www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500... -
Page 13: Switching Point Adjustment
(SG) of the unit. Higher application SG’s will cause the switch to trip sooner, at a lower elevation. Any change made to the factory default switch positions are done at the customers discretion, and should be tested in the application fluid to ensure that each switch mechanism can be tripped and also reset. www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500... -
Page 14: Bolting: Torque Values & Tightening Sequence
200 / 271 200 / 271 200 / 271 200 / 271 490 / 664 664 / 900 867 / 1175 8.00 (200) 200 / 271 200 / 271 200 / 271 320 / 434 320 / 434 320 / 434 710 / 963 1000 / 1356 1297 / 1758 Correct 4 and 8 Bolt Pattern Tightening Sequence: www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500... -
Page 15: Switch Mechanism Replacement
5-1/2" OD Sphere D-3361-13 DPDT Hi Temp. K-2013-00 JX_7F 5-1/2" OD Sphere D-3341-13 DPDT Herm. Sealed K-2015-00 JX_8F 5-1/2" OD Sphere D-3331-13 DPDT Gold Plated K-2014-00 JX_9F 7" OD Sphere D-3431-13 DPDT Hi Temp. Encapsulated K-2021-00 (1) Spare switch mechanism is recommended for every (10) installed switch mechanisms. Refer to model no. for switch mechanism quantity, pages 4 & 5. Refer to page6, 'Electrical rating' table, for switch mechanism ratings. www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500... -
Page 16: Parts Store
Installation, Operation, & Maintenance Instructions IOM JS500.03 Vertical Float Switches 2016.04 16633 Foltz Parkway, Strongsville, OH 44149 USA +1.440.572.1500 www.clarkreliance.com www.Jerguson.com ● JergusonApp@clark‐reliance.com ● +1.440.572.1500...
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