Algas SDI VAPORAIRE M-Series Operation & Maintenance Manual Download Page 47 | Manualshive

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Maintenance

Algas-SDI Operations & Maintenance Manual – 54264

5-39

VENTURI CHECK VALVE REMOVAL AND INSTALLATION INSTRUCTIONS

This instruction set is to be used for the Venturi Check Valve Kit- P/N - 40490.

Please refer to the following diagrams when removing and installing the Venturi Check Valve

A. Check Valve Assembly

B. Housing Lid

C. Housing Gasket

D. Venturi Housing

E. O-Ring F.

Seating

Surface

G. Acorn Nut

H. Sealing Washer

I. Clevis

J. Lock Nut

K. Check Valve Arm

L. Pivot Screw

M. Check Valve

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Summary of Contents for VAPORAIRE M-Series

Page 1: ...nce Manual 151 S Michigan Street Seattle Washington USA 98108 Tel 206 789 5410 Fax 206 789 5414 Web www algas sdi com MANUAL PN 54264 VAPORAIRE REV 08 26 19 Digitally signed by Ana Torres Date 2019 08...

Page 2: ...ability dictates Vendors have supplied literature contained in the Operation Manual Please check to be sure supplied data matches your configuration Contact Algas SDI if any questions exist This equip...

Page 3: ...erformed by others upon or in conjunction with ASDI equipment unless prior authorization is given by means of an Algas SDI International LLC purchase order Algas SDI International LLC will not be liab...

Page 4: ...E GAS HAZARD This Symbol indicates a potential hazard which can result in severe personal injury or death Use extreme care and follow the instructions given ELECTRICAL DISCONNECT REQUIRED This symbol...

Page 5: ...r Tank Sizing 2 18 Table 4 Surge Accumulator Tank Requirements 2 18 3 Startup 3 19 4 Operation 4 21 SINGLE VENTURI SYSTEMS 4 22 Mixer Operation 4 22 Mixed Gas Operating Pressure Adjustments 4 22 High...

Page 6: ...44 MAINTENANCE FOR ALL SINGLE MIXERS USING A PRESSURE SWITCH FOR CONROL 5 45 MAINTENANCE FOR ALL MIXERS USING THE SEQUENCER 5 45 SEQUENCER 5 46 Replacing TRIMPOT6 C and Analog Input Module D 5 46 Figu...

Page 7: ...formation Figure 15 Inlet Solenoid Assembly Diagram Solenoid Noise Component Specifications Warranty Registration Refer to the Nameplate on the unit to fill out the product registration Then photocopy...

Page 8: ......

Page 9: ...ed in the surge accumulator tank to provide uninterrupted flow of mixed gas from full flow to no flow automatically All models are explosion proof and meet the requirements of Class I Division 1 Group...

Page 10: ...APORAIRE Mixer Figure 1 Mixed gas is produced by the venturi assembly 5 LPG vapor enters the vapor manifold and passes through the safety inlet solenoid valve 1 A High Mixed Gas Pressure Switch in the...

Page 11: ...anual shut off valve 3 Venturi vapor solenoid valve 13 Venturi motive pressure gauge 4 Venturi vapor pressure regulator 14 Low vapor pressure switch 5 Venturi assembly 15 Secondary check valve optiona...

Page 12: ...Introduction 1 4 Algas SDI Operations Maintenance Manual P N 54264 Figure 2 VAPORAIRE with surge accumulator tank configuration Venturi Mixing Sys wmf...

Page 13: ...2 Nozzle 3 Air inlet screen assembly 4 Venturi motive pressure gauge 5 Venturi assembly 6 Venturi vapor solenoid valve 7 Venturi manual shut off valve 8 Vapor inlet header 9 Low vapor pressure switch...

Page 14: ...Introduction 1 6 Algas SDI Operations Maintenance Manual P N 54264 Figure 4 VAPORAIRE M Series Configuration VAPORAIRE M Series Mixing Sys wmf...

Page 15: ...closure 3 Mixed gas pressure control switch 9 Flame arrestor 2 places Venturi pressure controls switch 10 Bulkhead Connector 2 places 11 Fuse Fuse Holder 4 Safety relay 12 Ground Anchors 5 Ground lug...

Page 16: ...Introduction 1 8 Algas SDI Operations Maintenance Manual P N 54264 Figure 6 8100 Sequencer Control Box 8100 Seq Control Box wmf...

Page 17: ...ressure control switch venturi pressure control switch 6 High mixed gas pressure safety switch 7 Terminal strip 8 Thermostat 1 temperature control 9 Thermostat 2 over temperature control 10 Interposin...

Page 18: ...Introduction 1 10 Algas SDI Operations Maintenance Manual P N 54264 Figure 7 SEQUENCER Diagram...

Page 19: ...gas pressure CH1 Alarm Delay Timer adjustment 0 10 minutes for Optional Alarm 1 CH2 Not used CH4 Not used CH5 Not used CAUTION Adjustments are one turn stop to stop Do not force them They can easily...

Page 20: ...1 12 Algas SDI Operations Maintenance Manual P N 54264 This page intentionally left blank...

Page 21: ...In mixers using the SEQUENCER the software program for controlling the blending operation is set at the factory Any attempt to change the software voids the operating warranty Installation requiremen...

Page 22: ...Installation 2 14 Algas SDI Operations Maintenance Manual P N 54264 Figure 10 Typical VAPORAIRE Installation Drawing VAPORAIRE Installation dxf...

Page 23: ...Installation Algas SDI Operations Maintenance Manual P N 54264 2 15 Figure 11 Typical VAPORAIRE M Series Installation Drawing VAPORAIRE M Series Installation wmf...

Page 24: ...be available to the control box mounted on the mixing system Refer to the Data Sheet for electrical service requirements All wiring should be in accordance with NFPA 70 suitable for the proper area cl...

Page 25: ...ort 3 Connect the mixed gas outlet of the unit to the surge accumulator opening The tank inlet connection interconnecting spool must be the same diameter as the mixed gas outlet and no longer than ten...

Page 26: ...LLONS 125 150 All 15 PSI models require a surge accumulator tank of at least 500 gallons capacity 1 Capacity is based on a nominal mixed gas gross heating value of 1450 BTU SCF with commercial grade p...

Page 27: ...outlet valve on the surge accumulator tank 4 Open the venturi shutoff valves on each venturi train 5 Slowly open the main vaporizer outlet valve 6 Push the Start switch The vapor inlet solenoid valve...

Page 28: ...Startup 3 20 Algas SDI Operations Maintenance Manual P N 54264 This page intentionally left blank...

Page 29: ...LPG vapors in the area when the control box cover is removed If the cover must be removed shut off the power remove the cover and check very carefully for LPG fumes leaks or any indication of LPG in...

Page 30: ...NTS The Mixed Gas Pressure Control Switch is also referred to as Venturi Control or System Delivery Pressure Switch The Mixed Gas Pressure Control Switch is wired normally closed and is set to open at...

Page 31: ...e setting The High Mixed Gas Pressure Switch is set 3 PSI above the mixed gas operating pressure EXAMPLE 8 PSIG Mixed Gas Pressure 3 PSI 11 PSIG High Mixed Gas Pressure Setpoint LOW VAPOR PRESSURE SWI...

Page 32: ...QUENCER opens the venturis progressively in sequence so they are all used equally They are controlled in a first on first off rotation For example if five venturis are used and the load requires two v...

Page 33: ...s will be lit POWER STATUS RUN STATUS INPUT STATUS will only be on if the input is active OUTPUT STATUS will only be on if the output is active The mode switch must always be in the up RUN position AN...

Page 34: ...for the SEQUENCER and is labeled with the program version The Memory module is in the first slot on the top left On power up faults are cleared if any then the program is loaded NOTE The software prog...

Page 35: ...1 Discrete Inputs Discrete Inputs of Venturi Solenoids I 03 I 04 I 05 I 06 0 0 0 1 1 0 0 1 0 2 0 0 1 1 3 0 1 0 0 4 0 1 0 1 5 0 1 1 0 6 0 1 1 1 7 1 0 0 0 8 All other combinations 1 0 Input not jumped t...

Page 36: ...operating temperature put a load or flare stack on the system so at least one venturi is cycling Note the number of venturis that are not cycling Note the high and low cycling pressure in the surge ac...

Page 37: ...to data sheet for setpoint Control box must be open to adjust 1 To set turn the adjusting wheel to the approximate setting shown on the indicator scale on the switch indicator on the front of the swit...

Page 38: ...es The Mixed Gas Operating Pressure Switch and Venturi Valve are not allowed to operate until the there is adequate vapor pressure to operate the venturi 1 Put the system on a load so that the single...

Page 39: ...r where it decelerates and gains pressure as it fills the mixed gas surge accumulator tank The mixed gas is held in the surge accumulator tank at a pressure controlled by the SEQUENCER until withdrawn...

Page 40: ...progressive control system that selects a different venturi every time a venturi operates A venturi must operate continually so it can be adjusted The progressive sequencing of venturis must be stopp...

Page 41: ...s simultaneously 3 Close the shutoff valve on the pilot supply line to the pilot operator 4 Open the shutoff valve on one of the venturis The mixed pressure should increase to the setpoint and the ven...

Page 42: ...demand on the vaporizer Increasing motive pressure beyond the setpoint should only be done when required with caution to avoid overdrawing the vaporizer and increasing the mixed gas HEATING VALUE CON...

Page 43: ...t valve of the vaporizer 3 Push the START switch on the control box and observe that the mixed gas pressure rises to the setpoint 4 Open the surge accumulator tank outlet valve the system is then on l...

Page 44: ...Operation 4 36 Algas SDI Operations Maintenance Manual P N 54264 This page intentionally left blank...

Page 45: ...evis assembly clevis bolt nut valve arm valve surface Replace if worn Pressure Regulators Check setpoints Replace disk assembly Replace diaphragm if Required Control Box Electrical Components Open box...

Page 46: ...with a soapy solution Replace the valve if there are any leaks Pressure Regulators Check setpoints Inspect disk assembly seat ring and diaphragm Replace if necessary Control Box Electrical Components...

Page 47: ...is to be used for the Venturi Check Valve Kit P N 40490 Please refer to the following diagrams when removing and installing the Venturi Check Valve A Check Valve Assembly B Housing Lid C Housing Gaske...

Page 48: ...head screws that secure the Housing Lid B to the Venturi Housing D This will require a 1 8 Allen wrench 9 With the Allen head screws removed separate the loosened pipe union from step 6 Apply some up...

Page 49: ...s 3 Insert the Check Valve Arm K into the slot of the Clevis I and connect the two pieces with the clevis arm Pivot Screw L through the aligned holes Be sure that the flat washers are inserted on eith...

Page 50: ...ion around the valve arm pivot lowering the Check Valve Arm K should cause only the upper part of the Check Valve M to contact the Seating Surface F c Lower the Check Valve Arm K a third time allowing...

Page 51: ...e acorn nut 6 Tighten the Lock Nut J on the clevis arm Pivot Screw L until the arm is tight in the Clevis I Then slowly loosen the lock nut just until the arm can swing freely Check that the Check Val...

Page 52: ...ng pressure shut off the system close the inlet valve and disconnect all power 3 Use either a gas detector or a soapy solution applied to the check valve and seat to determine if there is a leak 4 If...

Page 53: ...the body d Replace the switch and connect per schematic e Close the explosion proof box f Turn on the power at the main feed disconnect g Adjust the system output pressures as described in Section 4 O...

Page 54: ...o repair the sequencer modules If the module is defective the entire module should be replaced REPLACING TRIMPOT6 C AND ANALOG INPUT MODULE D Figure 14 Module Removal Installation Drawing 1 Turn off p...

Page 55: ...l 54264 5 47 4 Position the replacement plug in module with the terminal block facing the front of the controller as shown 5 Snap the replacement module into the module bay 6 Using a screwdriver tight...

Page 56: ...ontrol panel and is not visible The heater is controlled by two thermostats One thermostat 1 is mounted on the stop switch and the second thermostat 2 is mounted directly on the control panel The heat...

Page 57: ...rd debris may cause piston style solenoid valves to stick or operate poorly and be the cause of fuses blowing frequently To check if a piston type valve is sticking rap the valve with a rubber mallet...

Page 58: ...e Output status LED s to see which alarm shut the mixer down Table 3 Annunciator output for mixers having fewer than 7 venturis Discrete Output Associated Input Alarm Description Solid Blinking O 8 I...

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Page 65: ...OPTIONS...

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Page 67: ...rge accumulator tank packages FLARE STACK Contact Algas SDI international for Flare Stack Packages SECONDARY AIR CHECK VALVE ASSEMBLY Secondary Air Check Valve Assembly ASDI PN 20120 See Drawing 1302...

Page 68: ......

Page 69: ...APPENDIX A COMPONENT INFORMATION...

Page 70: ...This page left intentionally blank...

Page 71: ......

Page 72: ...Algas SDI International LLC 151 S Michigan Street Seattle Washington 98108 USA Ph 1 206 789 5410 Fax 1 206 789 5414 www algas sdi com...

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