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Multi PSI MPC4023-CH-21 Operating Manual
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Multi PSI MPC4023-CH-21 Operating Manual

Cold water pressure washer
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2019
Téléphone : (450) 641-6633 Fax : (450) 641-2633 Sans frais : 1 (866)-641-6633
WWW.MULTIPSI.COM
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Built by PSC Manufacturing since 1969
Suivez-nous sur / Join us :

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Summary of Contents for Multi PSI MPC4023-CH-21

  • Page 1 2019 Téléphone : (450) 641-6633 Fax : (450) 641-2633 Sans frais : 1 (866)-641-6633 WWW.MULTIPSI.COM Built by PSC Manufacturing since 1969 Suivez-nous sur / Join us :...
  • Page 2 ANY INFORMATION THAT YOU MAY REQUIRE THAT IS NOT INCLUDED IN THIS MANUAL CAN BE PROVIDED BY YOUR DEALER OR THE FACTORY. THANK YOU FOR CHOOSING THIS QUALITY BUILT PSC PRODUCT. OPERATING MANUAL MODEL # MPC4023-CH-21 PLEASE REFER TO THESE SPECIFICATIONS WHEN ORDERING PARTS OR SERVICE OPERATING VOLTAGE 230 VAC 01 PHASE 60 Hz...
  • Page 3 Equipment Preventative Maintenance IMPORTANT The customer should have periodic (yearly) inspections performed on the system to ensure safe operation. Inspections to be performed by a licensed professional. The customer is responsible for maintaining the equipment and keeping it in safe working order.

  • Page 4: Before You Begin

    BEFORE YOU BEGIN! Safety First! HIGH PRESSURE SPRAYS CAN CAUSE SERIOUS INJURY.  Never place any part of your body in front of the high pressure nozzle.  Never direct the high pressure spray at yourself or any other person. ...
  • Page 5 CAUTION: To reduce the risk of injury, read operating instructions carefully before using. 1. Read the owner's manual thoroughly. Failure to follow instructions could cause malfunction of the machine and result in death, serious bodily injury and/ or property damage. 2.
  • Page 6 INSTALLATION & GENERAL LOCATION Select a location that offers a solid, level surface capable of supporting the system. A clean, dry, heated equipment room with drainage is ideal The room must have a 575v Power supply. Also a source of clean potable water supply with a inlet connection of 1/2”. Proximity to the water supply, electrical supply and cleaning areas are also important.
  • Page 7 Water Supply The correct water supply is important to the life of your pressure washer. Sediment, scale or other debris, air, and insufficient water volume or high temperature can all cause expensive damage and premature failure of the system. Your pressure washer will require a constant water supply equal to or greater than the rated discharge volume of the system as specified at the front of this manual.
  • Page 8 flow of water to the pump. Unless sealed by a gasket or O-ring, Teflon® tape or suitable compound must be used on all threaded plumbing connections to provide a leak tight connection. SRA Option Surge Tank Pump Wall Inlet Bracket From Water Supply...
  • Page 9 The serial plate located on the machine identifies the correct voltage, phase and amperage requirements for the pressure wash system. Prior to connecting the system, a voltage reading of the supply should be taken to confirm that it matches the machine’s motor plate data.
  • Page 10 Accumulators / Surge Arrestors An optional high-pressure accumulator, also called a surge arrestor, may be installed on the discharge side of the high-pressure pump. The purpose of this device is to minimize the minute pulses created as the water moves through the pump. These pulses are a normal characteristic of positive displacement pumps.
  • Page 11 A thermal protection device has been included in this system to protect the pump from the damaging effects of overheating due to potential excessive bypass conditions or hot water being fed to the system. These devices are intended to be a safety feature to protect the pump only and are not meant to provide a control over inlet temperature.
  • Page 12 Some pumps must rotate in one direction to provide proper lubrication to the crankcase components. The preferred direction is the crankshaft turning from the top of the crankcase toward the manifold (head). If the pump rotation is incorrect, interchange See diagram B. any two of the numbered leads at the motor connection point.
  • Page 13 Before spooling the high-pressure hose onto the reel for the first time, flood and pressurize the hose. Failure to do so may result in damage to the hose reel and will render the warranty void. Always keep your hands, loose clothing and other objects well clear of the moving parts of the hose reel when rewinding hose.

  • Page 14: Flow Diagram

    CWBB Option Designed as an energy saving feature for high volume, multi-gun hot water systems, the CWBB option allows maximized flow of cold water for the removal of heavy soils and other problems where higher volumes of water are required. A dedicated high volume hose, trigger gun and wand assembly, as well as a shut off valve, are provided for this purpose.
  • Page 15 OPERATING MANUAL 15 | P a g e © c o p y r i g h t M U L T I P S I . A l l i n f o r m a t i o n c o n t a i n e d h e r e i n s u b j e c t...
  • Page 16 ELECTRIC MOTOR DRIVEN PRESSURE WASHER HOOK UP Provide clean water to the water inlet connection via a water hose supply line. CAUTION: Determine that the water supply source and supply line is of adequate size to provide sufficient water to match the pump discharge rate with a residual line pressure of at least 20 P.S.I.
  • Page 17 COLD WATER CONTROL BOX Assembly Diagram Legend Item No. Description Detail Part No. Quantity 202324 202447 Terminal Strip CB 1 202628 (IF USED) Control circuit 202076 CB 2 Timer 400441 (IF USED) Solid State / 1 sec. Delay ON, 8 sec. Delay OFF CB 3 DIN Bar 202567...
  • Page 18 EP 15 Contactor, Motor Motor Voltage 575 – 600/3Phase 208/3 Phase 230/1 - 230/3 Phase 460 - 480/3 Phase 400506 400506 400506 401448 400506 400506 / 403898 401462 / 400370 400506 / 403898 400506 / 403898 400375 - 401533 401448 / 403898 400506 / 403898 Motor 401563...
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  • Page 28: Troubleshooting

    TROUBLE SHOOTING PROBLEM CAUSE REMEDY Low Pressure Worn nozzle Replace nozzle with one of proper size. Belt slippage Tighten or replace, use correct belt Air leak in inlet Disassemble, reseal and reassemble plumbing Unloader valve stuck, partially Clean, adjust unloader valve, or plugged or improperly adjusted valve check for worn and dirty valve seat.

  • Page 29: Maintenance

    Maintenance Daily To ensure a problem free system simple visual checks can be performed. Check for leaks in the inlet supply, pumping system, pump to heater hose, gun(s), and high pressure hose. Check and refill chemical tank. Check level and condition of pump oil.

  • Page 30: Warranty

    WARRANTY Equipment: - The manufacturer warrants all original equipment, factory added options, and accessories to be free from defects in material and workmanship for a period of one (1) year from date of purchase. - Within this period, at the discretion of the manufacturer, if there is shown to be a defect in original material or workmanship, the defective part(s) are to be repaired or replaced at the manufacturer’s place of business or authorized repair depot, all parts require an RGA#, prior to shipment.