Liquid Controls A8981 Installation And Parts Download Page 1 | Manualshive

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Installation

and Parts

Liquid ControLs Group

An IDEX Fluid & Metering Business

Installation: M300-20

Optical Air Eliminator

(US Patent #7000628)

Refined Fuels Applications (A8981 & A8981A)

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Summary of Contents for A8981

Page 1: ...Installation and Parts Liquid Controls Group An IDEX Fluid Metering Business Installation M300 20 Optical Air Eliminator US Patent 7000628 Refined Fuels Applications A8981 A8981A ...

Page 2: ... Information 3 How Optical Air Eliminators Work 4 Installation New Installations 6 Retrofit Installations 6 Dimensional Drawing 8 Wiring 9 The most current English versions of all Liquid Controls publications are available on our web site www lcmeter com It is the responsibility of the local distributor to provide the most current version of LC manuals instructions and specifica tion sheets in the...

Page 3: ...d LCR II CPU board part number 81924 for LC The optical air eliminator also requires the use of a solenoid operated control valve such as the E 7 or A2848 11 on the outlet side of the meter Environmental Rating NEMA 4X Safety Designed to meet Class I Division 2 requirements Materials of Construction Class 1 Body Aluminum Solenoid Brass Class 2 Body Anodized Aluminum Solenoid Stainless Steel Pressu...

Page 4: ... may begin or continue This functionality ensures that only liquid passes through the meter for measurement As long as a delivery is active and the liquid level remains at or above the optical sensor the optical air eliminator solenoid valve remains closed and the control valve re mains open If the liquid level should drop below the optical sensor the optical air eliminator solenoid valve opens an...

Page 5: ...t through the solenoid valve as shown in Figure 4 When the liquid level is at or above the optical sensor the S3 solenoid valve closes the vent path as shown in Figure 5 The diagram in Figure 6 shows the LectroCount register logic for a preset delivery In order to function properly the optical air eliminator must be used in conjunction with a solenoid actuated control valve at the meter outlet suc...

Page 6: ...NCE WITH ALL APPLICABLE PROCEDURES Pressure must be 0 zero psi Close all liquid and vapor lines between the meter and liquid source Failure to follow this warning could result in property damage personal injury or death from fire and or explosion or other hazards that may be associated with this type of equipment New Installations When ordered with a new meter the optical air elimina tor is suppli...

Page 7: ...ainer as semblies used for refined petroleum products Step 1 Remove Old Air Eliminator and Baffel Cup After the internal pressure has been relieved from the system and the assembly drained of liquid remove the four bolts and washers used to fasten the old air eliminator to the top of the strainer Inspect the O ring and replace if necessary Step 3 Connect the Vent Piping Tubing This connection is N...

Page 8: ...8 Dimensions Dimensions shown are not for construction use Consult factory when certified Engineering Drawings are required Front Side Bottom Optical Air Eliminator with High Capacity Strainer ...

Page 9: ...ely 24 to 36 in length WARNING For NorthAmerican Installations the installation must be fully in accordance with the National Elec trical Code US or the Canadian Electrical Code respectively to maintain the hazardous location ratings on the product This may involve using rigid conduit for all connections Caution Incorrect wiring can damage the optical sensor Step 1 Remove Cable Plug Loosen and rem...

Page 10: ...ction 1 Red 31 2 Black 32 Figure 11a LCR II to Optical Air Eliminator Wiring Figure 11b LC to Optical Air Eliminator Wiring LC Connect the wires to terminal block J11 on the Lec troCount CPU board Refer to Figure 11b for additional clarification LCR II Connect the wires to terminal block J15 on the Lectro Count CPU board Refer to Figure 11a for additional clarification Step 4 Connect to LectroCoun...

Page 11: ...o psi Close all liquid and vapor lines between the meter and liquid source Failure to follow this warning could result in property damage personal injury or death from fire and or explosion or other hazards that may be associated with this type of equipment Tools required Flat blade screwdriver 14mm box end or open end wrench Step 1 Loosen the thin hex nut holding the solenoid in place using a 14m...

Page 12: ...he valve body The internal components consist of a plunger and a spring Inspect the spring for damage O rings O rings Step 5 The armature guide post is composed of four components two O rings the guide post and the flange Inspect these components for damage Step 6 The valve body has two O rings found on the face which faces the housing These two O rings are identical Inspect these for damage Inspe...

Page 13: ...body has a number stamped into it This will be used to set the proper orientation of the solenoid valve body with respect to the optical air eliminator housing assembly Step 2 Align the solenoid valve body so that the stamped number on the valve body faces the housing assembly as shown in the picture to the left The valve body can physically be fastened to the housing assembly in one of two orient...

Page 14: ...ailure Replace CPU board Scenario 2 Meter outlet valve not opening Check wiring of the outlet valve S1 solenoid Measure resistance across S1 solenoid Value should read approximately 15Ω If not replace S1 solenoid Inspect S1 solenoid for blockage Refer to the manual which accompanies the valve LectroCount CPU failure Replace CPU board Optical Sensor If the optical sensor ever needs replacement use ...

Page 15: ...15 Bill of Materials Exploded View Model Number A8981 A8981A Italicized part numbers indicate A8981A Class 2 parts If there is no italicized number the listed part number applies to A8981 A8981A ...

Page 16: ...e Lake Bluff IL 60044 847 295 1050 Liquid Controls Europe SAMPI Via Amerigo Vespucci 1 55011 Altopascio Lucca Italy 39 0583 24751 IDEX Fluid and Metering Pvt Ltd Survey No 256 Alindra Savli GIDC Manjusar Dist Vadodara 391 770 Gujarat India 91 265 2631855 Liquid Controls Sponsler 105 Albrecht Drive Lake Bluff IL 60044 847 295 1050 Faure Herman Route de Bonnetable B P 20154 72406 La Ferté Bernard Ce...

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