AGRI-INJECT MacRoy G Series Operating Manual
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AGRI-INJECT MacRoy G Series Operating Manual

Fertigation pump system
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Summary of Contents for AGRI-INJECT MacRoy G Series

  • Page 2 Please carefully read these operating instructions before use. Do NOT discard. The operator shall be liable for any damage caused by installation or operating error(s). The latest version of the operating instructions as well as any addendums and/or supplemental instructions are available www.agri-inject.com.

  • Page 3: Table Of Contents

    Operating Instructions: MacRoy G Fertigation System TABLE OF CONTENTS 1.0 TABLE OF CONTENTS 2.0 OPERATOR’S MANUAL ADVISORY 2.1 SUPPLEMENTARY INFORMATION 2.2 TERMS & CONDITIONS 3.0 GENERAL SYSTEM ADVISORY 3.1 ABOUT THIS SYSTEM 3.2 IDENTITY CODE 3.3 WARNING! 3.4 TRAINING 3.5 USE CAUTION! RESPECT PRESSURE LIMITATIONS! 3.6 TUBING AND PLUMBING 3.7 INSPECTION 3.8 IMPORTANT...
  • Page 4 Operating Instructions: MacRoy G Fertigation System 6.7 OTHER APPLICATIONS 6.8 CHEMICAL DISPOSAL 6.9 MIXING CHEMICALS 7.0 INSTALLATION 7.1 SAFETY 7.2 LIQUID SUPPLY TANK 7.3 SYSTEM LOCATION 7.4 DISCHARGE PLUMBING CONNECTIONS 7.5 SUCTION PLUMBING CONNECTIONS 7.6 ELECTRICAL CONNECTIONS 7.6.1 WIRE COLOR AND PHASING 7.6.2 MOTOR ROTATION 7.6.3 ROTARY PHASE GENERATOR POWER SUPPLY 8.0 OPERATION...

  • Page 5: Operator's Manual Advisory

    All information made available in the technical data is supplied without any accompanying guarantee, whether expressly mentioned, implied, or tacitly assumed. In general, the provisions of the current standard Terms and Conditions of Agri-Inject ® apply exclusively, in particular as concerns any warranty liability.

  • Page 6: General System Advisory

    ® dealer, visit us on our website at www.agri-inject.com or give us a call at 1-800-4-INJECT (800-446-5328). Above all, thank you for your business. We are dedicated to helping growers like you around the world increase efficiency, optimize plant health, and foster environmental stewardship through the...

  • Page 7: Identity Code

    Operating Instructions: MacRoy G Fertigation System IDENTITY CODE Product Category: Fertigation System Fertigation System product line designation Dash separator Input Power Option Single Phase 110V AC Single Phase 220V AC 12V DC Three Phase 230V AC Three Phase 480V AC Dash separator Control Option No control switch, no cord...

  • Page 8: Warning

    USE CAUTION! RESPECT PRESSURE LIMITATIONS! The MacRoy G Series metering pump provided with your MacRoy G Fertigation System has output pressure limitations. MacRoy G pumps do not have internal pressure relief systems. The MacRoy G Series diaphragms are designed to absorb small, short duration pressure spikes;...

  • Page 9: Tubing And Plumbing

    100 PSI (6.89 bar) TUBING AND PLUMBING ® Always use proper tubing or plumbing when connecting an Agri-Inject system. The working pressure rating, temperature rating, and chemical compatibility must be compatible with the pump output and the liquid being pumped. Agri-Inject ®...

  • Page 10: Pumping Dangerous Liquids

    Operating Instructions: MacRoy G Fertigation System 3.10 PUMPING DANGEROUS LIQUIDS When the system is used to inject dangerous liquids, you face risks of harm to yourself and others from the dangerous liquids and/or the impact of those dangerous liquids. Personal injury and/or property damage can result from contact with the dangerous liquids from spray, splash, fumes, or vapors.

  • Page 11: Definitions

    Liquid Supply Tank over 1000 gallons, supply tanks are sometimes portable, but are often permanently installed. The patented injection check valve provided by Agri-Inject® for use on ® Mister Mist’r Agri-Inject® fertilizer and chemical injection systems. (see Injection Quill above)

  • Page 12: Safety

    Operating Instructions: MacRoy G Fertigation System SAFETY IDENTIFICATION OF SAFETY NOTES The following signal words are used in these operating instructions to denote different severities of danger Signal Word Meaning Denotes a possibly dangerous situation. If this is disregarded, you are in a life WARNING threatening situation and this can result in serious injuries Denotes a possibly dangerous situation.

  • Page 13: Intended Use

    A chemical resistance chart is available at www.agri-inject.com. All other uses or modifications are prohibited. The injection pump is not intended for the metering of gaseous media or solids. The injection pump is not intended for the metering of flammable or explosive media.
  • Page 14 Danger of injury to personnel and material damage The use of untested, non-conforming, third-party components can result in injury to personnel and material damage. Only fit parts to this system that have been tested and approved by Agri-Inject®. CAUTION! Danger from incorrect operation or poor maintenance Danger can arise from this system due to incorrect operation and poor maintenance.

  • Page 15: Information In The Event Of An Emergency

    Operating Instructions: MacRoy G Fertigation System INFORMATION IN THE EVENT OF AN EMERGENCY In an emergency, disconnect the main power, turn the system switch to OFF, or disconnect the main power supplying power to the injection system. If feed chemical escapes or is spilled, ensure that the pressure on the discharge side of the pump is relieved, all tank valves are closed, and adhere to the chemical Safety Data Sheet (SDS) for proper cleanup and disposal.
  • Page 16 Service The service designation refers to service technicians who have received proven training and have been authorized by Agri-Inject ® to work on the system.

  • Page 17: Storage, Transport And Unpacking

    Storage should be indoors in a clean, dry, protected area free from rodents and excessive insects. If the storage area is susceptible to freezing conditions, ensure that the system has been properly winterized by pumping a safe antifreeze solution through the system. Agri-Inject ®...

  • Page 18: Pre-Installation

    Precautions should be taken dependent on the chemical being used. You should ALWAYS consult the Safety Data Sheet (SDS) of the chemical being used to determine the type of PPE to be used. ® Refer to the following chart to order safety supplies. Consult your local Agri-Inject dealer/distributor for pricing. Description...

  • Page 19: Test Fluids

    Always adhere to your local plumbing codes as well as regional and national regulations for ® chemical injection. Agri-Inject is not responsible for improper installation. Copies of state and local regulations can be found at www.agri-inject.com. It is the responsibility of the user, however,...

  • Page 20: Agricultural Applications

    Operating Instructions: MacRoy G Fertigation System ® to ensure that the installation is in compliance with the most current code. Agri-Inject makes no guarantee that such posted regulations are entirely up to date. AGRICULTURAL APPLICATIONS Always follow guidelines for chemigation as defined in federal, state and local regulations. Almost all states have defined chemigation and fertigation rules and regulations.
  • Page 21 Operating Instructions: MacRoy G Fertigation System In addition to state rules and regulations, always follow the rules for application as defined on the chemical specimen label. The chemical specimen label is approved by the United States EPA, so it may include federal regulations that override state rules. The chemical specimen label very likely includes additional rules and regulations that apply specifically to the chemical being injected.

  • Page 22: Other Applications

    Read product labels and follow directions for all products that you mix. ® Agri-Inject recommends that a small scale “jar test” be done to test for compatibility prior to tank mixing in the field. Instructions for the jar test are as follows:...
  • Page 23 Operating Instructions: MacRoy G Fertigation System Place the carrier (water, liquid fertilizer, crop oil, etc) into a quart jar. Add each pesticide (or other active feed chemical) into the carrier one at a time. The amount of feed chemical added should be at the same proportion to the carrier as it will be used in the actual tank mix.

  • Page 24: Installation

    Operating Instructions: MacRoy G Fertigation System INSTALLATION SAFETY CAUTION! Lifting Hazard System is heavy. Single person lift could cause injury. When necessary, use assistance when moving or lifting. DANGER! Danger of environmental damage or contamination The use of this system without the recommended and proper backflow, check valve, and control interlock provisions can result in improper operation of the equipment resulting in unintended contamination of water supplies.

  • Page 25: System Location

    Operating Instructions: MacRoy G Fertigation System Equip the tank with discharge plumbing that includes a shut off valve and a strainer. The tank discharge plumbing needs to be sized at least as big as the injection system suction hose. See 7.5 SUCTION PLUMBING below.
  • Page 26 Once the half coupling is in place, apply thread sealant to the ¾” MNPT threads of the Mister Mist’r ® and tighten into the half coupling. Agri-Inject ® recommends a generous application of Teflon tape for Mister Mist’r ®...

  • Page 27: Suction Plumbing Connections

    Operating Instructions: MacRoy G Fertigation System Please refer to Section 14.0 INSTALLATION AND PIPING APPENDIX for a more thorough discussion of suction and discharge piping considerations. SUCTION PLUMBING CONNECTIONS MacRoy G Fertigation Systems require large diameter suction hoses. Due to the reciprocating operation of positive displacement pumps, the peak flow in a suction stroke is approximately 3.5 times greater than the rated flow of the pump.

  • Page 28: Electrical Connections

    If this system has been manufactured to work with a different electrical supply, there may be a supplementary addition to this manual specific to that configuration; or visit our website at www.agri-inject.com. In many countries, the provided AC electrical frequency is 50 Hz, rather than the United States standard 60 Hz.

  • Page 29: 7.6.1 Wire Color And Phasing

    Operating Instructions: MacRoy G Fertigation System System Full Load Amps MacRoy G Series, 480 VAC 3ph 1.8 A MacRoy G Series, 240 VAC 3ph 3.4 A MacRoy G Series, 110 VAC 1ph 12.8 A MacRoy G Series, 220 VAC 1ph 6.4 A...

  • Page 30: 7.6.2 Motor Rotation

    Typically, swapping the wire connections (ie. L1 and L3) in the electrical plug is the easiest and most appropriate. OPERATING MACROY G SERIES PUMPS IN THE WRONG DIRECTION WILL VERY QUICKLY DESTROY THE PUMP DRIVE GEARS. OPERATING THE PUMP IN THE WRONG DIRECTION IS NOT COVERED UNDER WARRANTY.

  • Page 31: Operation

    Operating Instructions: MacRoy G Fertigation System OPERATION SAFETY WARNING! Warning about personal and material damage The injection system can start to pump as soon as it is connected to the main voltage OR at such a time that the irrigation system starts up.
  • Page 32 Danger of injury to personnel and material damage The use of untested, non-conforming, third-party components can result in injury to personnel and material damage. Only fit parts to this system that have been tested and approved by Agri-Inject®. CAUTION! Warning against illegal operation Observe the regulations (local, state, federal) that apply where the system is installed.

  • Page 33: Safety Equipment

    Operating Instructions: MacRoy G Fertigation System SAFETY EQUIPMENT It is important to have the proper safety equipment available and in-use during the operation of this system. See Section 6.1 for Personal Protective Equipment. Always wear the proper Personal Protective Equipment (PPE) when working on or near this MacRoy G Fertigation System system.

  • Page 34: Priming The Injection Pump

    Operating Instructions: MacRoy G Fertigation System Refer to the following chart to order operating equipment. Consult your local dealer for pricing. Description Quantity Part Number Clock/timer 418-00-000001-0 Kwik-Cut cutters 411-01-000001-0 Replacement cutter blade 411-50-000001-0 Mister Mist’r flush tool 831-02-011000-0 Mist’r Mind’r 228-58-011016-0 PRIMING THE INJECTION PUMP Important!

  • Page 35: Calibrating The Injection Pump

    Mister Mist’r injection quill and discharge hose assembly is properly installed and all fittings are tight. MacRoy G series pumps are very predictable; the knob setting is an excellent predictor of injection flow. For example: a MacRoy G110 with the knob set to 75% will inject very close to 82.5 gallons per hour.

  • Page 36: Simplified Method (Calibration Result In Gallons Per Hour)

    Operating Instructions: MacRoy G Fertigation System 8.5.1 SIMPLIFIED METHOD (calibration result in gallons per hour) Ensure the irrigation system is ON and operating properly. Start the injection pump and ensure that it is fully primed and operating properly. Turn the pump back off.

  • Page 37: System Operation

    Operating Instructions: MacRoy G Fertigation System Preset the o-rings on the calibration tube so that the distance in milliliters between the o-rings is the same as the “Calibrate To” value from the ApplyYourself app. Example: If (G) is 125 ml, set the o-rings 125 ml apart. Ie. Set one at 200 and the other one at 75. Carefully fill the calibration tube.
  • Page 38 Operating Instructions: MacRoy G Fertigation System Return to the site after an hour or so to see that the pump is pumping at the expected rate. With large fertilizer tanks, it may take at least an hour for the liquid volume to change by an observable amount.

  • Page 39: Post Operation

    Operating Instructions: MacRoy G Fertigation System POST OPERATION SAFETY WARNING! Danger of electric shock Main voltage exists in the switch enclosure and the pump motor wiring box. When handling this system or making any wiring connections, disconnect the main power. If there is damage to any of these components, disconnect it from the main power immediately and only return to service after an authorized repair has been made.

  • Page 40: Storage

    Operating Instructions: MacRoy G Fertigation System It is recommended (and usually very convenient) to flush the MacRoy G Fertigation System out at the pivot. The pivot normally has both 480 volt electricity and water available. It is considered good practice to rinse remaining fertilizers or chemicals into the pivot while it is operating. The rinse products will be very dilute and will not require rinsate disposal at an alternate location.
  • Page 41 Operating Instructions: MacRoy G Fertigation System Remove the filter bowl and thoroughly clean the filter element and the bowl. Check the condition of the filter, gasket, and bowl. Replace as necessary. Inspect the suction hose, discharge hose, and fittings. Replace if cracked, discolored, or otherwise defective.

  • Page 42: Maintenance

    Operating Instructions: MacRoy G Fertigation System 10.0 MAINTENANCE 10.1 SAFETY WARNING! Danger of electric shock Main voltage exists in the switch enclosure and the pump wiring box. When handling this system or making any wiring connections, disconnect the main power. If there is damage to any of these components, disconnect it from the main power immediately and only return to service after an authorized repair has been made.
  • Page 43 The recommended service intervals are: ● Every year: Replace the oil seal, check valve o-rings, and change the oil. ○ Due to the typically wet and humid irrigation environment, Agri-Inject ® recommends changing the oil every year. ● Every three years: Perform the annual maintenance above and additionally replace the...

  • Page 44: Parts Replacement

    Support tab and select Video Library. Then select the Agri-Inject-Basic Maintenance-Series G Pump. ® Feel free to ask for service and repair advice or assistance by calling Agri-Inject at (800) 446-5328 or (970) 848-5336 and asking for pump service support.
  • Page 45 Operating Instructions: MacRoy G Fertigation System ● Ensure that check valves are oriented properly. All of the check valves have indicating arrows molded into the midsection ridge between the external threads. The indicating arrows on both check valves must point up. ●...

  • Page 46: Macroy G 55 Parts Breakdown

    Operating Instructions: MacRoy G Fertigation System 11.0 MacRoy G 55 PARTS BREAKDOWN...
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  • Page 54: Macroy G 110 Parts Breakdown

    Operating Instructions: MacRoy G Fertigation System 12.0 MacRoy G 110 PARTS BREAKDOWN...
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  • Page 62: Macroy G 150 Parts Breakdown

    Operating Instructions: MacRoy G Fertigation System 13.0 MacRoy G 150 PARTS BREAKDOWN...
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  • Page 70: Installation And Piping Appendix

    Operating Instructions: MacRoy G Fertigation System 14.0 INSTALLATION AND PIPING APPENDIX...
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  • Page 74: End User Warranty

    2.0 What is Not Covered This Limited Warranty does not apply to the following cases: (1) Loss of or damage to AGRI-INJECT product due to abuse, mishandling, or improper packaging by buyer; (2) Failure to follow operating, maintenance, or environmental instructions prescribed in AGRI-INJECT’s instruction manual and other operating guidelines;...
  • Page 75 6.0 What AGRI-INJECT Will Not Do Under This Limited Warranty If this product is returned to AGRI-INJECT or the authorized dealer from which it was purchased or any other party authorized to repair AGRI-INJECT products, this product must be insured during shipment, with the insurance and shipping charges prepaid by the Buyer.
  • Page 76 This limited warranty is void if (i) the label bearing the serial number of this product has been removed or defaced; (ii) the product is not distributed by AGRI-INJECT; or (iii) this product is not purchased from an authorized AGRI-INJECT reseller.
  • Page 77 YouTube: youtube.com/agriinjectinc ©2021 Agri-Inject. All rights reserved worldwide. The Agri-Inject name and logomark, Because irrigation can deliver more than just water®, Mister Mist’r®, Mister Mist’r Ultra®, Mini Mist’r®, Micro-Tube®, ApplyYourself®, BoundaryRider®, Insectigator®, reflex®, and Variable Rate Fertigation®, VRF®, and Variable Rate Chemigation®...

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