Hoshizaki JWE-620UA-6B Installation Manual
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Hoshizaki JWE-620UA-6B Installation Manual

Hoshizaki JWE-620UA-6B Installation Manual

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JWE-620UA-6B
DISHWASHER
INSTALLATION MANUAL
FOR QUALIFIED INSTALLER ONLY
9280VC10B (041111)

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Summary of Contents for Hoshizaki JWE-620UA-6B

  • Page 1 JWE-620UA-6B DISHWASHER INSTALLATION MANUAL FOR QUALIFIED INSTALLER ONLY 9280VC10B (041111)
  • Page 2 Should the reader have any questions or concerns which have not been satisfactorily addressed, please call, write, or send an e-mail message to the Hoshizaki Technical Support Department for assistance. HOSHIZAKI AMERICA, INC.

  • Page 3: Table Of Contents

    IMPORTANT This manual should be read carefully before the product is installed and operated. Only qualified service technicians should install, service, and maintain the product. Read the warnings contained in this booklet carefully as they give important information regarding safety. Please retain this booklet for any further reference that may be necessary.
  • Page 4 Important Safety Information Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, or damage to the unit. WARNING Indicates a hazardous situation which could result in death or serious injury. CAUTION Indicates a situation which could result in damage to the unit.

  • Page 5: Moving

    1. MOVING WARNING When handling the unit (unloading from pallet, moving, installing), do not hold the door or handle, or the door will open. Hold the parts indicated by arrows only. Do not remove the shipping band securing the door until the end of installation. WARNING 1.

  • Page 6: [A] Shipping Tape

    disassembled, repaired or modifi ed only by qualifi ed service personnel. 5. The location should provide a fi rm and level foundation for the unit to avoid the risk of water leaks or injury caused by overturn or fall. 6. Avoid a site where dripping is not allowed. The unit may drip water onto the fl...

  • Page 7: [B] Checks Before Installation

    [b] CHECKS BEFORE INSTALLATION 1) Check the exterior including the front panel and door for damage. 2) Check the internal parts including the spray arms and fi lters for damage or clogging. 3) The accessories except the rack are provided in the package. Check that all the accessories listed in the instruction manual (see “1.

  • Page 8: [E] Connection To A Dishtable

    5) Cover the cable connection with the plastic bag, and tie it upward as illustrated. Refi t the front panel in its correct position. IMPORTANT To attach the operation panel to the left side, remove screws D from the operation panel, turn the bracket upside down, and reattach it using the other holes.
  • Page 9 3) Hook the dishtable on the wash tank. Drill a hole in the wash tank to match the mounting hole in the dishtable. Dishtable Drill a hole Dishwasher 4) Secure the dishtable to the dishwasher with a screw. Apply silicone sealant to the screw threads as shown on the right and between the dishtable and the wash tank.

  • Page 10: [F] Rack Guide

    [f] RACK GUIDE The rack guide helps ease the load and unload the rack smoothly. It is provided in the package of accessories together with the securing bolts. The rack guide location depends on the installation conditions. Straight Installation Dishwasher Rear Front Dishtable...

  • Page 11: Ventilation

    3. VENTILATION WARNING 1. Installation must be in accordance with applicable national, state, and local regulations. 2. If an exhaust hood is required to discharge steam from the dishwasher, it should provide a minimum 450 CFM and be a listed and labeled factory-built commercial exhaust hood tested in accordance with UL Standard 710 by a nationally recognized testing laboratory.

  • Page 12: [C] Water Softener

    * External fi lters and strainers may be required depending on water quality. Contact your local Hoshizaki distributor for recommendations. * Sediment, silica, chlorides or other dissolved solids may lead to a recommendation for particulate fi ltration or reverse osmosis treatment.

  • Page 13: [D] Strainer

    If water is supplied at a temperature below 110°F (43°C), the dishwasher cannot maintain the proper rinse water temperature and may require a longer wash cycle time than the 53 second cycle. In such case, consult with an authorized Hoshizaki service company. Wash Temperature...

  • Page 14: [F] Drain Connection (Wash Tank Drain)

    [f] DRAIN CONNECTION (WASH TANK DRAIN) CAUTION To ensure proper draining, do not route the drain pipe where it can be stepped * Drain line should be pitched (1/4” per foot) to the floor Drain Pipe (pitched) drain. An air gap of a minimum of 2 vertical inches (5 cm) should be between the end of the drain pipe from the Min 2"...
  • Page 15 * The maximum allowable voltage variation is ±10 Terminal Block percent of the nameplate rating. * The voltage tap switch in the unit must be positioned to match incoming voltage at startup (factory default: 230V). Voltage Tap Switch * The opening for the power supply connection is Pump Motor 1.11”...

  • Page 16: Phase Reversal Check

    Downgrade Control Box Cover (A) * Remove 3 screws Grounding UL Tube Wire Grommet Conduit Retainer Cable Tie 6. PHASE REVERSAL CHECK The unit is provided with a phase reversal relay to prevent operation in case of phase reversal. To check for phase reversal, follow the steps below. 1) Make sure all wiring connections have been properly made.

  • Page 17: Detergent/Rinse Aid Feeder

    For electrical and plumbing connections, follow the instructions in this manual and the manual supplied with the feeder. Consult with the detergent supplier or an authorized Hoshizaki service company for further details. The dishwasher uses 0.53 gallons of rinse water per rack. This information is use when setting a detergent/rinse aid pump.

  • Page 18: Trial Run

    IMPORTANT 1. Be sure to use detergent and rinse aid feeders with protective fuses. 2. Ensure the power supply capacity of 208 to 230VAC, 1A or less, and use insulated terminals to connect the feeders to the terminal block. * MC2 is synchronized with wash pump and X13 with rinse pump (except auto fi...

  • Page 19: [B] Preparing Hot Water Supply

    3) Insert the drain pipe securely. Insert drain pipe 4) Lower the rack rail. With the rack rail lifted securely up, the door cannot be closed and the unit will not operate. [b] PREPARING HOT WATER SUPPLY 1) If the optional drain valve for low temperature conditions is installed, close the drain valve provided to prevent freezing.

  • Page 20: [D] After Trial Run

    8) Is the display showing “H7”? If yes, correct the reverse phase connection according to “6. PHASE REVERSAL CHECK”. 9) Has the operation (auto fi ll, wash, rinse, mode selection) been checked against the instruction manual? 10) Remove the front panel. Make sure there are no water leaks in the machine compartment.

  • Page 21: [E] Adjustment

    [e] ADJUSTMENT If any adjustment is required to the wash or rinse cycle time or temperature setting, contact an authorized Hoshizaki service company. 9. RELOCATION WARNING 1. Make sure the power supply is off before making any electrical connections to prevent possible electric shock. Lockout/Tagout to prevent the power from being turned back on inadvertently.

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