Raven AccuFlow Vortex Installation And Operation Manual
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Raven AccuFlow Vortex Installation And Operation Manual

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AccuFlow™ Vortex and
AccuFlow™ HP+
Installation and Operation
Manual
016-0171-573 Rev. G
1/2020
E34241
Copyright 2014, 2015, 2016, 2017, 2020

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Summary of Contents for Raven AccuFlow Vortex

  • Page 1 AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual 016-0171-573 Rev. G 1/2020 E34241 Copyright 2014, 2015, 2016, 2017, 2020...
  • Page 2 Raven systems, or products used as components of systems, which rely upon the reception of these signals or availability of these services. Raven Industries accepts no responsibility for the use of any of these signals or services for other than the stated purpose.

  • Page 3: Table Of Contents

    Table of Contents Chapter 1 Important Information..................1 Safety ....................................1 Displays and Control Consoles ............................1 Anhydrous Ammonia (NH3) Safety ..........................2 Agricultural Chemical Safety .............................. 3 Hydraulic Safety ..................................4 Electrical safety ..................................4 Touch Screen .................................... 4 Recommendations and Best Practices ........................
  • Page 4 Table of Contents Chapter 4 AccuFlow™ Vortex System (Non-Pump) Calibration and Operation..43 Programming NH3 Rate Control .........................43 Entering Boom Cal ................................43 Entering Speed Cal ................................43 Entering Meter Cal ................................43 Adjusting Valve Cal ................................44 Adjusting Rate Cal ................................44 AccuFlow NH3 Orifice Kit Instructions ......................46 Overview ....................................46...

  • Page 5: Important Information

    • Do not operate this Raven system or any agricultural equipment while under the influence of alcohol or an illegal substance. • Be alert and aware of surroundings and remain in the operator seat at all times when operating this Raven system.

  • Page 6: Anhydrous Ammonia (Nh3) Safety

    CHAPTER 1 DANGER ANHYDROUS AMMONIA (NH ) SAFETY Anhydrous ammonia (NH ) under pressure. NH can cause severe burning, blindness, sickness, or death. Understand all safety instructions and warnings before operating or servicing equipment. • Review the properties of NH and the procedures for safe handling, and use with your NH supplier.

  • Page 7: Agricultural Chemical Safety

    • Only NH harness systems, control systems, and on/off valves approved by Raven Industries are recommended for use with NH products. Raven shall not be liable for any damages and this warranty shall not cover defects from: • The use of a system with a harness not approved by Raven.

  • Page 8: Hydraulic Safety

    • Do not connect the power leads to the battery until all system components are mounted and all electrical connections are completed. • Always start the machine before initializing this Raven system to prevent power surges or peak voltage. • To avoid tripping and entanglement hazards, route cables and harnesses away from walkways, steps, grab bars, and other areas used by the operator or service personnel when operating or servicing the equipment.

  • Page 9: Recommendations And Best Practices

    The word “hose” is used to describe any flexible, fluid carrying components. Use the following guidelines and recommendations when connecting and routing hoses while installing or maintaining this Raven system: • Leave protective caps/covers over hose ends until connecting the end into the hydraulic system to help prevent contaminants from entering the system.
  • Page 10 CHAPTER 1 • Protect harnessing from sharp bends, twisting, or flexing over short distances and normal implement operation. • Connectors and splices should not be located at bending points or in harness sections that move. • Ensure sufficient length for free movement of the implement during normal operation and prevent pulling, pinching, catching, or rubbing, especially in articulation and pivot points.

  • Page 11: Discharging The Accuflow™ System

    DANGER DO NOT transport anhydrous ammonia application equipment while it is charged with anhydrous ammonia. The AccuFlow Vortex cooler and product lines must be completely discharged before transporting the implement. DANGER Always wear appropriate personal protective...
  • Page 12 CHAPTER 1 2. (AccuFlow HP+) Turn off boost pump control by closing the tractor SCV (selective control valve). DANGER Pressure gauges can fail, become plugged, or display incorrect pressure. Liquid NH can absorb heat from surroundings and re-pressurize the system. Any bleed valves that are opened to relieve pressure should remain open while transporting the system or maintenance is being performed.
  • Page 13 IMPORTANT INFORMATION Example System Components TABLE 1. Component Description Nurse Tank Main Shut-off and Bleed Valves (At Bulkhead or Withdrawal Valve) Supply Hose Bleed Valves and Breakaway Couplers AccuFlow System Emergency Shut-off Valve and Rope to Tractor Cab AccuFlow System Primary Bleed Valve AccuFlow System Secondary Bleed Valve AccuFlow System Pressure and Temperature Gauges Bleeder on Check Valve...
  • Page 14 CHAPTER 1 FIGURE 2. Example Discharge and Shutoff Component Locations (Side View) Bleed Circuit Vortex Cooler Bleed Circuit Vapor Emergency Hose Pressure Hose Hose Connection Shut-Off Valve Breakaway Connection Pressure Gauge Temperature System Strainer(s) Gauge and Check Valve(s) Primary Secondary Bleed Bleed Lines Vapor Hoses Toolbar...

  • Page 15: Introduction

    -28° F [-33° C] or kept under pressure at higher temperatures. To help ensure that the ammonia is in a liquid state as it passes through the flow meter the AccuFlow Vortex cooler uses a small amount of anhydrous ammonia from the system to reduce the temperature of the ammonia being applied.
  • Page 16 CHAPTER 2 System Specifications TABLE 1. System Specifications Max Flow Rate Tank Pressure Tank Full Level AccuFlow Vortex System (non-Pump) 60 PSI >25% 50 GPM AccuFlow HP+ System (Pump) 60 PSI >25% 80 GPM 1. Achieved Based on Recommendations Below 2.
  • Page 17 INTRODUCTION Section Splitter Hose from Cooler Minimized System Outlet to 1-1/4” and Equal Section Splitters (ID) Length Multi Section Minimized Hose from Section and Equal Splitters to Section 1” Length Manifolds/Valves (ID) Section Manifold Applicator Knife Hose from Section Minimized Manifold to Applicator 3/8”...
  • Page 18 CHAPTER 2 FIGURE 1. Application Unit System Components 4, 5 2, 3 AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...

  • Page 19: Updates

    INTRODUCTION UPDATES Updates for Raven manuals as well as software updates for Raven consoles are available at the Raven Applied Technology Division web site: https://portal.ravenprecision.com/ At Raven Industries, we strive to make your experience with our products as rewarding as possible.
  • Page 20 CHAPTER 2 AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...

  • Page 21: Accuflow™ Vortex And Accuflow™ Hp+ Installation

    AccuFlow™ System section on page 5 or page 61 and follow the procedure for bleeding the AccuFlow system before beginning maintenance. This section assumes that the Raven control console has already been installed and all installation and safety procedures have been completed or understood. NOTE: In addition to the Raven control console and associated cabling, a speed sensor and flow cabling must also be installed with the Raven AccuFlow system.

  • Page 22: Assembling The Accuflow™ System

    CHAPTER 3 ASSEMBLING THE ACCUFLOW™ SYSTEM DANGER Anhydrous ammonia in vapor form can cause serious injury or death. Pipe joints must be properly sealed with PTFE pipe thread sealant, or an equivalent thread sealant, to prevent leaks. COOLER BRACKET ASSEMBLY FIGURE 2.

  • Page 23: Flow Meter And Outlet Manifold Assembly

    ACCUFLOW™ VORTEX AND ACCUFLOW™ HP+ INSTALLATION FLOW METER AND OUTLET MANIFOLD ASSEMBLY FIGURE 3. Outlet Manifold Assembly End of Cooler Outlet 1/2” Nut 1/2” Bolt Outlet Coupling Manifold Gasket Coupling Clamp FIGURE 4. Outlet Manifold Clamp Assembly Groove Coupling Gasket Groove 1.
  • Page 24 CHAPTER 3 FIGURE 5. Flow Meter Assembly Coupling Clamp Outlet Flow Meter Manifold 1/2” Bolts Coupling 1/2” Nuts Gasket 5. Slide the flow meter into the end of the coupling gasket. Note the flow direction indicated on the flowmeter. 6. Place the two parts of the coupling clamp over the coupling gasket so the bolt holes are above and below the outlet manifold.

  • Page 25: Gauge Tree And Valve Assembly

    ACCUFLOW™ VORTEX AND ACCUFLOW™ HP+ INSTALLATION 1.5” GAUGE TREE AND VALVE ASSEMBLY GAUGE TREE AND VALVE ASSEMBLY FIGURE 7. Gauge Tree and Valve Assembly Pressure Control Valve Gauge Temperature On/Off Valve Bleed Valve Gauge Gauge Tree Manifold Fitting Tee Reducer 90°...

  • Page 26: Attaching The Gauge Tree To The Cooler

    CHAPTER 3 ATTACHING THE GAUGE TREE TO THE COOLER FIGURE 8. Attaching the Gauge Tree to the Cooler Clamping U-Bolts Cooler Outlet Manifold Gauge Tree 1/2” Bolt 1/2” Clamp 3/8” Nut 1. Slide the coupling gasket over the end of the gauge tree that attaches to the flowmeter. 2.

  • Page 27: Check Valve Assembly (For Multiple Section Valves Only)

    ACCUFLOW™ VORTEX AND ACCUFLOW™ HP+ INSTALLATION CHECK VALVE ASSEMBLY (FOR MULTIPLE SECTION VALVES ONLY) FIGURE 9. Check Valve Assembly 1/4” Bleed Valve Relief Valve Check Valve Pipe Nipple Gauge Tree Fitting Tee 1. Apply PTFE thread sealant to all threaded joints. 2.

  • Page 28: Refrigerant Line Assembly

    CHAPTER 3 REFRIGERANT LINE ASSEMBLY FIGURE 10. Refrigerant Line Assembly 90° Hose Barb Fitting Refrigerant Line Hose Clamp Cable Tie Straight Hose Hose Clamp Barb Fitting 1. Slide a hose clamp over one end of the refrigerant line. 2. Slide the refrigerant line over the 90° hose barb fitting. 3.

  • Page 29: One Inch Gauge Tree And Valve Assembly

    ACCUFLOW™ VORTEX AND ACCUFLOW™ HP+ INSTALLATION ONE INCH GAUGE TREE AND VALVE ASSEMBLY GAUGE TREE AND VALVE ASSEMBLY FIGURE 11. Gauge Tree and Valve Assembly Pressure 1/4” Pipe Plug Gauge (for optional pressure 1-1/4” x 1/2” transducer) Reducer 1/4” Run Tee Pipe Adapter 1/2”...

  • Page 30: Attaching The Gauge Tree To The Cooler

    CHAPTER 3 15. Install the tee, bleed valve, and check valve into the relief valve adapter. 16. Install the on/off valve onto the 1” close nipple. 17. Install pipe adapter into the other end of the on/off valve. 18. Thread the 1” x 3” long pipe nipple into a pipe adapter. 19.

  • Page 31: Check Valve Assembly (For Multiple Section Valves Only)

    ACCUFLOW™ VORTEX AND ACCUFLOW™ HP+ INSTALLATION CHECK VALVE ASSEMBLY (FOR MULTIPLE SECTION VALVES ONLY) FIGURE 13. Check Valve Assembly Gauge Tree Check Valve 1/4” Bleed Valve Relief Valve Pipe Nipple Flow Direction 1. Apply PTFE thread sealant to all threaded joints. 2.

  • Page 32: Manifold Assembly

    CHAPTER 3 1. Slide a hose clamp over one end of the refrigerant line. 2. Slide the refrigerant line over the hose barb fitting. 3. Secure the hose clamp over the hose barb fitting. 4. Slide a hose clamp over the other end of the refrigerant line. 5.

  • Page 33: Dual Inlet Manifold Support Bracket Installation

    ACCUFLOW™ VORTEX AND ACCUFLOW™ HP+ INSTALLATION 3. Attach the valve assembly to the end of the valve assembly to the 2” pipe nipple. 4. Secure the inlet manifold to the other end of the valve assembly. 5. Attach a strainer to each end of the inlet manifold. Ensure both strainers are in the same position. 6.

  • Page 34: Single Inlet Manifold Assembly

    CHAPTER 3 SINGLE INLET MANIFOLD ASSEMBLY FIGURE 18. Single Inlet Manifold Assembly Valve Assembly 2” Pipe Nipple Reducer Bushing 2” Pipe Nipple Strainer SINGLE INLET MANIFOLD SUPPORT BRACKET INSTALLATION FIGURE 19. Installed Single Inlet Manifold Support Bracket Clamping U-Bolt Inlet Manifold Support Bracket Mounting Bracket...

  • Page 35: Installing A Hp+ System

    ACCUFLOW™ VORTEX AND ACCUFLOW™ HP+ INSTALLATION INSTALLING A HP+ SYSTEM FIGURE 20. Typical AccuFlow HP+ System Bleed Circuit Vapor Temperature Gauge Hose to Bleed Circuit Pressure Hose Connection Breakaway Vortex Cooler Pressure Hose Gauge Emergency Shut-Off Valve Connection Pump Inlet Pressure Check Valve Transducer...
  • Page 36 CHAPTER 3 1. Place the control node (sold separately) on the mounting plate so the edge of the control node with the connections is flush with the flat side of the node mounting bracket. Refer to Figure 21. 2. Use three bolts and nuts to secure the control node to the mounting plate. 3.

  • Page 37: Installing Pump Upgrade (Vortex To Hp+ Upgrade)

    ACCUFLOW™ VORTEX AND ACCUFLOW™ HP+ INSTALLATION INSTALLING PUMP UPGRADE (VORTEX TO HP+ UPGRADE) FIGURE 23. Installing Pump Upgrade and Fittings 2-1/2” Coupling Nuts Pipe Nipple 2” x 1-1/2” Coupling NH3 Pump Bolt 1. Apply PTFE thread sealant to the threaded end of the pipe nipple. 2.

  • Page 38: Installing Hydraulic Valve

    CHAPTER 3 INSTALLING HYDRAULIC VALVE FIGURE 24. Installing Hydraulic Valve to Vortex Cooler Bracket Bolt Flat Washer PWM Valve 1. Use two bolts, nuts, and flat washers to attach hydraulic valve to Vortex cooler support bracket as shown in Figure 24. AccuFlow™...

  • Page 39: Boost Pump Hydraulic Connections (Hp+ System Only)

    ACCUFLOW™ VORTEX AND ACCUFLOW™ HP+ INSTALLATION BOOST PUMP HYDRAULIC CONNECTIONS (HP+ SYSTEM ONLY) FIGURE 25. HP+ Hydraulic Fitting and Hose Installation HP+ Hydraulic Fitting and Hose Installation TABLE 1. Component Description Placement -8 JIC (M) to -16 SAE (M) Elbow Valve “CF”...

  • Page 40: Mounting The Accuflow™ System

    Also verify that the ball valve hands can be pulled to the full off position with the emergency shut-off rope. The intake port of the AccuFlow Vortex cooler should be pointing toward the rear of implement and nurse tank. NOTE: Follow plumbing recommendations on the Component Recommendations table found in Chapter 2 to achieve desired flow rates.

  • Page 41: Vapor Port Assembly

    ACCUFLOW™ VORTEX AND ACCUFLOW™ HP+ INSTALLATION FIGURE 27. Using the Emergency Shut-Off Rope Wind Direction Emergency Shut-Off Rope WARNING Anhydrous ammonia can cause severe burning, blindness, or death. Always work upwind of an implement with the AccuFlow system. If the emergency shut-off rope cannot be routed to the vehicle’s cab, make sure to orient the vehicle to allow the rope to be pulled from a location...

  • Page 42: Accuflow™ Vapor And Applicator Plumbing Installation

    PTFE pipe thread sealant, or an equivalent thread sealant, to prevent leaks. The following will step through the final system connections for the AccuFlow Vortex cooler and NH plumbing. Generic Control valves used with liquid systems are not acceptable for NH .

  • Page 43: Bleed Line Hose Routing

    AccuFlow system. Always install breakaway fittings in the nurse tank supply lines to reduce discharge if the nurse tank accidentally disconnects from the implement. NOTE: To reduce risk of uneven application, Raven recommends using equal length hose to all vapor knives, placed at least 1 row apart. BLEED LINE HOSE ROUTING 1.
  • Page 44 CHAPTER 3 5. Connect the 3/8” low pressure hose to the other side of the needle valve. 6. Route the 3/8” low pressure hose to a 3/8” hose barb tee on the top side of the cooler. FIGURE 32. 3/8” Barb Tee To 3/8”...

  • Page 45: Checking For System Leaks

    ACCUFLOW™ VORTEX AND ACCUFLOW™ HP+ INSTALLATION CHECKING FOR SYSTEM LEAKS CAUTION To avoid damage to boost pump seals, do not run the boost pump dry. Be sure to shutdown the boost pump when no anhydrous ammonia is flowing through the pump or when the nurse tank is empty.
  • Page 46 CHAPTER 3 AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...

  • Page 47: Accuflow™ Vortex System (Non-Pump) Calibration And Operation

    Refer to the control console Installation and Operation manual for detailed programming instructions. NOTE: Before the AccuFlow system and connected console may be used to control anhydrous ammonia application, the following calibration values must be programmed on the Raven product control console: • Boom Cal •...

  • Page 48: Adjusting Valve Cal

    CHAPTER 4 FIGURE 1. Meter Cal Tag Meter Cal Tag NOTE: All volumes will be displayed in pounds [kilograms] of actual nitrogen. To properly control the application of anhydrous ammonia, enter the target application rates as pounds [kilograms] of actual nitrogen per acre [hectare] or lbs(N)/acre [kg N)/ha].
  • Page 49 68 x 10 x 1220 = 13.8 kg(N)/min 60,000......(EQ 8) The maximum capacities of the various AccuFlow systems are shown below: Contact a local Raven dealer if the maximum rate is exceeded. Single tank Vortex: 126 lbN/min [57 kgN/min].

  • Page 50: Accuflow Nh3 Orifice Kit Instructions

    CHAPTER 4 FIGURE 2. System Capacity Chart 50 GPM Vortex System Capacity 12 MPH Max 10 MPH Max 8 MPH Max 7 MPH Max 6 MPH Max 5 MPH Max 1000 1100 1200 Implement Width (IN) ACCUFLOW NH ORIFICE KIT INSTRUCTIONS OVERVIEW Anhydrous ammonia will vaporize as is loses pressure from the nurse tank to the AccuFlow system.

  • Page 51: Calculating The Required Capacity

    ACCUFLOW™ VORTEX SYSTEM (NON-PUMP) CALIBRATION AND OPERATION Orficed NH3 Cooler Performance Table TABLE 1. Accuflow Orificed Dual AccuFlow Orificed Cooler AccuFlow Vortex Cooler Cooler Flow Flow Flow Orifice Range, gpm Range, gpm Range, gpm Size Refrigerant Refrigerant Refrigerant [lbN/hr] [lbN/hr]...

  • Page 52: Charging The Accuflow™ System

    CHAPTER 4 FIGURE 3. Orifice and Hose Barb Installation Pre-Installed Orifice (Not Shown) Requires a 3/16” Allen Wrench Orifice Hose Barb Fitting Refrigerant Inlet EVA Hose CHARGING THE ACCUFLOW™ SYSTEM The following procedure will step through the proper method for connecting and charging the AccuFlow system, this assumes installation checks have been completed.

  • Page 53: Verifying Accuflow™ Operation

    Chapter 7, Troubleshooting. NOTE: Due to the highly corrosive nature of many additives and nitrogen stabilizers, Raven recommends injection of the additive after the Vortex cooler, control valve, and vapor lines. This will help prevent corrosion of heat exchangers and other plumbing components.
  • Page 54 CHAPTER 4 AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...

  • Page 55: Accuflow™ Hp+ Calibration And Operation

    The HP+ system requires a CANbus system with a Raven product control node. • The HP+ system uses a 2-stage control. Stage 1 opens the control valve as needed to achieve target rate. Once the valve reaches the full open position, stage 2 starts controlling the pump and ramps it to reach the target rate (assuming tractor hydraulics are on).

  • Page 56: Default Calibration Values (Nh3 Pre-Sets)

    Open the bleed valve(s) and allow all NH in the lines to evaporate and discharge from the system. When the system is fully discharged, the AccuFlow Vortex cooler should not feel cold and the pressure gauge reading on the AccuFlow system should be at zero.

  • Page 57: Programming Hp+ Rate Control - Viper Pro

    PROGRAMMING HP+ RATE CONTROL - VIPER PRO 1. Boom cal, meter cal, speed cal and rate cal are the same as AccuFlow Vortex. See chapter 4 to verify settings. 2. To setup the proper HP+ application mode, from ‘CAN Controller Status’ screen, press ‘Application’ box.
  • Page 58 CHAPTER 5 Config will enable remote switch & section feedback if desired. i. 3 - remote prox sensor enabled, section feedback disabled ii. 4 - remote prox sensor disabled, section feedback disabled iii. 5 - remote prox sensor enabled, section feedback enabled iv.
  • Page 59 ACCUFLOW™ HP+ CALIBRATION AND OPERATION FIGURE 3. Node 1 Settings 7. Pressure Transducer Cal - Calibrate pressures making sure P1 is the transducer at the gauge tree manifold and P2 is the transducer at the cooler. Complete transducer calibration after the AccuFlow system is fully charged and ready for operation.

  • Page 60: Adjusting The Rate Cal

    CHAPTER 5 FIGURE 4. Symbols 9. HP+ uses P1 & P2 pressures to monitor pump performance. A 'Pump Fault' message is displayed if the pump does not boost pressure after 10 seconds of operation and shuts the pump off after 60 seconds. ADJUSTING THE RATE CAL Enter the target rate in actual pounds [kilograms] of nitrogen (N) per acre [hectare].
  • Page 61 ACCUFLOW™ HP+ CALIBRATION AND OPERATION 150 x 5.5 x 480 = 606 lbs(N)/min 5940......(EQ 2) (SI Units) Given a target application rate of 68 kg(N)/ha at an average of 10 km/hr and a calculated implement width of 1220 centimeters, the required capacity is: 68 x 10 x 1220 = 13.8 kg(N)/min 60,000......

  • Page 62: Operating Hp+ System In Hp (Nh3 Boost) Mode

    CHAPTER 5 OPERATING HP+ SYSTEM IN HP (NH BOOST) MODE CAUTION To avoid damage to boost pump seals, do not run the boost pump dry. Be sure to shutdown the boost pump when no anhydrous ammonia is flowing through the pump or when the nurse tank is empty.
  • Page 63 3. Toggle the console to manual control mode. 4. Detect tractor hydraulic selective control valve (SCV) attached to the Raven control pump control valve circuit to the continuous flow setting. Set the flow rate to provide maximum flow to the circuit. The HP+ control system will control and limit flow to the boost pump.
  • Page 64 CHAPTER 5 AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...

  • Page 65: Service And Maintenance

    C H A P T E R 6 The following sections are included to illustrate the proper procedure for servicing and maintaining the AccuFlow system. This chapter also includes instructions for disassembling the AccuFlow Vortex cooler for cleaning and storage.
  • Page 66 6. Completely close the emergency shut-off valve (Item 3) either by using the rope from the cab of the tractor, or the handle on the valve itself on the AccuFlow Vortex cooler. 7. Bleed and disconnect the nurse tank supply hose (Item 2) from the nurse tank.
  • Page 67 SERVICE AND MAINTENANCE FIGURE 1. System Bleed and Emergency Shut-off (Top View) Wind Direction for System Bleed or Emergency Shut-off System Bleed and Emergency Shut-off Components TABLE 1. Component # Description Nurse Tank Main Shut-off and Bleed Valves (At Bulkhead or Withdrawal Valve) Supply Hose Bleed Valves and Breakaway Couplers Accuflow System Emergency Shut-off Valve and Rope to Tractor Cab Accuflow System Primary Bleed Valve...
  • Page 68 CHAPTER 6 FIGURE 2. System Bleed and Emergency Shut-off (Side View) Bleed Circuit Vapor Temperature Gauge Hose to Hose Connection Pressure Emergency Shut-Off Bleed Circuit Breakaway Vortex Cooler Gauge Valve Pressure Hose Connection Bleed Line Toolbar Secondary Bleed Valve Primary Bleed Vapor Hose Valve AccuFlow™...

  • Page 69: Servicing And Storing The Accuflow™ System

    When storing the AccuFlow or AccuFlow HP system or when the system will not be used for extended periods, clean the inside of the Vortex cooler with kerosene and coat with a 10 weight motor oil. Refer to the following section for instructions on disassembling the AccuFlow Vortex cooler to perform service or maintenance. DANGER Anhydrous ammonia can cause severe burning, blindness, or death.
  • Page 70 NOTE: O-rings should be replaced when the unit is disassembled. Tank-mixed nitrogen stabilizers can be corrosive to o-rings. Raven recommends injection of nitrogen stabilizers downstream of heat exchanger components and plumbing. Unit should be inspected, disassembled, and cleaned at the end of every season if nitrogen stabilizers are mixed in the ammonia nurse tanks.

  • Page 71: Strainer Maintenance Procedure

    SERVICE AND MAINTENANCE STRAINER MAINTENANCE PROCEDURE The strainer must be cleaned and inspected periodically or when system performance degrades. Refer to the following procedure to disassemble and maintain the strainer to ensure that the AccuFlow system is operating properly. DANGER Anhydrous ammonia can cause severe burning, blindness, or death.

  • Page 72: Flow Meter Maintenance And Adjustment

    CHAPTER 6 FLOW METER MAINTENANCE AND ADJUSTMENT Refer to the following procedure when removing the flow meter for maintenance or service. DANGER Anhydrous ammonia can cause severe burning, blindness, or death. Refer to Discharging the AccuFlow™ System section on page 5 or page 61 and follow the procedure for bleeding the AccuFlow system before beginning maintenance.
  • Page 73 SERVICE AND MAINTENANCE 11. Carefully direct a low pressure jet of air (5 psi [34.5 kPa]) through flow meter in the direction of flow and again in the opposite direction to verify that the turbine spins freely. 12. If there is drag, loosen the stud on the bearing hub 1/16 turn until the turbine spins freely. 13.
  • Page 74 CHAPTER 6 AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...

  • Page 75: Chapter 7 Troubleshooting

    T ROUBLESHOOTING CHAPTER C H A P T E R 7 WARNING Anhydrous ammonia may be under pressure. Before disconnecting any fittings or hoses, be sure to purge the system of all NH (see Discharging the AccuFlow™ System section on page 61).
  • Page 76 3. Check operation of the master switch. 4. Verify power at valve connectors. 5. If none of the above steps resolve the issue, the console may require repair. Contact a local Raven dealer for further assistance. AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...
  • Page 77 TROUBLESHOOTING Issue Resolution (SCS 400 to 700 Series The console may require repair. Contact a local Raven dealer for further consoles only) All keyboard assistance. lights are on at the same time. (SCS 400 to 700 Series The console may require repair. Contact a local Raven dealer for further consoles only) Keyboard does assistance.
  • Page 78 CHAPTER 7 Issue Resolution Rate Reads “0000” 1. Verify speed display is being registered accurately. If the speed displays a constant zero value, troubleshoot the speed sensor. 2. Verify that the console is registering flow by confirming the total volume display is correct.
  • Page 79 Chapter 6, Service and Maintenance, for more information about servicing the Vortex cooler. 3. Determine if the operating pressure drop is within tolerances. See step 3 in “Raven control console reports inaccurate AccuFlow measurements (i.e. console indicate more product applies than actual product removed from tank”.

  • Page 80: Pressure Vs. Temperature

    CHAPTER 7 PRESSURE VS. TEMPERATURE FIGURE 1. Pressure vs. Temperature Chart Given an observed pressure reading 70 PSI and temperature reading 40° F. The point where these two readings intersect is within the non-vapor area. SPEED SENSOR EXTENSION CABLE Disconnect the extension cable from the speed sensor assembly cable. Hold the extension cable connector so that the keyway is pointing in the 12 o’clock position as shown below.

  • Page 81: Testing The Speed Sensor Extension Cable

    TROUBLESHOOTING FIGURE 2. Speed Sensor Extension Cable Connector Pins Keyway 2 o’clock 10 o’clock Power Ground 5 VDC 5 VDC 6 o’clock Signal NOTE: If a radar type speed sensor is used, the voltage between the 10 o’clock and 2 o’clock positions may read 12 VDC.

  • Page 82: Testing The Flow Meter Cable

    CHAPTER 7 TESTING THE FLOW METER CABLE 1. Enter a meter cal of 1 in liquid or direct injection modes, or density of 1 and spreader constant of 0 in granular mode. 2. Navigate to the volume/area settings screen and note the total volume for each product node connected to the CANbus.

  • Page 83: System Diagram And Replacement Parts

    C H A P T E R 8 REPLACEMENT PARTS STANDARD ACCUFLOW™ DIAGRAMS The AccuFlow Vortex one and two valve systems may be operated using standard Raven SCS control cabling. Refer to the figure below for additional components used with the AccuFlow HP+ systems. NOTE: Contact a local Raven dealer for additional information or assistance with cabling or Raven AccuFlow system components.
  • Page 84 CHAPTER 8 FIGURE 1. AccuFlow Vortex and HP+ System Diagram (054-1201-001) AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...

  • Page 85: Replacement Parts Drawings

    SYSTEM DIAGRAM AND REPLACEMENT PARTS REPLACEMENT PARTS DRAWINGS FIGURE 2. Inlet Plumbing Components (054-1201-001) System Diagram and Replacement Parts: Replacement Parts Drawings...
  • Page 86 CHAPTER 8 FIGURE 3. Vortex Cooler and Bleed Components (054-1201-001) AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...
  • Page 87 SYSTEM DIAGRAM AND REPLACEMENT PARTS FIGURE 4. Gauge Tree, Sensor, Flowmeter & Valve Components (054-1201-001) SHEET System Diagram and Replacement Parts: Replacement Parts Drawings...
  • Page 88 CHAPTER 8 FIGURE 5. 1” Gauge Tree and Valve Assembly (054-1201-001) SHEET AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...
  • Page 89 SYSTEM DIAGRAM AND REPLACEMENT PARTS FIGURE 6. Optional Outlet Kits (054-1201-001) System Diagram and Replacement Parts: Replacement Parts Drawings...

  • Page 90: Replacement Parts

    CHAPTER 8 REPLACEMENT PARTS FIGURE 7. RFM 60S/60SG Flow Meter Replacement Parts (054-0159-144) AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...
  • Page 91 SYSTEM DIAGRAM AND REPLACEMENT PARTS FIGURE 8. RFM 15s/15sg Flow Meter Replacement Parts (054-0159-334) System Diagram and Replacement Parts: Replacement Parts...
  • Page 92 CHAPTER 8 FIGURE 9. 1-1/2” Ball Valve Replacement Parts (054-0159-342) AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...
  • Page 93 SYSTEM DIAGRAM AND REPLACEMENT PARTS FIGURE 10. 1” Ball Valve Replacement Parts (054-0159-348) System Diagram and Replacement Parts: Replacement Parts...
  • Page 94 CHAPTER 8 AccuFlow™ Vortex and AccuFlow™ HP+ Installation and Operation Manual...
  • Page 95 Charging the System AccuFlow Vapor and Applicator Plumbing System Capacity Chart Installation Verifying Operation AccuFlow Vortex and AccuFlow HP+ AccuFlow HP+ Calibration and Operation Assembling the AccuFlow Charging the AccuFlow System Attachign the Gauge Tree to the Cooler 22, 26...
  • Page 96 Index Service and Maintenance Discharging the AccuFlow System Discharging the System Flow Meter Flow Meter Maintenance and Adjustment Orifice Table Servicing and Storing the AccuFlow System Maintaining the Vortex Cooler 65 Strainer Strainer Maintenance Procedure Vortex Cooler Servicing and Storing the AccuFlow System System Capacity Chart 46, 57 System Diagram...
  • Page 97 Bring the defective part and proof of purchase to your Raven dealer. If the dealer approves the warranty claim, the dealer will process the claim and send it to Raven Industries for final approval. The freight cost to Raven Industries will be the customer’s responsibility.
  • Page 98 Bring the defective part and proof of purchase to your Raven dealer. If the dealer approves the warranty claim, the dealer will process the claim and send it to Raven Industries for final approval. The freight cost to Raven Industries will be the customer’s responsibility.

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