Kysor/Warren DX6LN-MCU Installation And Operation Manual
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Kysor/Warren DX6LN-MCU Installation And Operation Manual

Stratus multi-deck display case
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Table of Contents

STRATUS Multi-Deck
Display Case
January 2019
Part No. 31E01037
Applications:
KW-IOM-1037 | Version 02
Installation and Operation Manual
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Summary of Contents for Kysor/Warren DX6LN-MCU

  • Page 1: Table Of Contents

    Installation and Operation Manual Display Case January 2019 Introduction—General Information Plan and Cross Section Views Part No. 31E01037 Paragon ERC-2 Set-Up Instructions Models: Case Data DX6LN-MCU Case Installation Modular Condensing Unit Applications: Electrical Connections—General ECM Evaporator Fan Operation Parts List Warranty...

  • Page 2: Models

    97” in height. Case Description Model Description DX6LN-MCU Multi-deck, standard depth, 6 deck, low front, with modular condensing unit Receiving/Shipping Damage/Lost Items All equipment should be examined for shipping damage before and during unloading. If there is any damage, the carrier should be notified immediately and an inspection requested.

  • Page 3: Plan And Cross Section Views

    STRATUS Multi-Deck Display Case Cross Section View DX6LN - MCU Plan View...

  • Page 4: Paragon Erc-2 Set-Up Instructions

    Installation and Operation Manual Modular Condensing Unit The selected condensing unit will have the following features: • Electrical Rating — 208 – 230V / 60Hz / 1 Phase • Refrigerant — R-448A • Receiver and suction service valves • All refrigerant piping employs sweat connections •...
  • Page 5 STRATUS Multi-Deck Display Case The ERC-2 (Electronic Refrigeration Control) is a microprocessor-based electronic controller designed to control both the temperature and the defrost functions of a commercial refrigeration unit. It can be powered by 120, 208, or 240 VAC (50 or 60 Hz). The control comes with four relay outputs, which are for the following: compressor control, defrost control, evaporator fan, and alarm.
  • Page 6 Installation and Operation Manual DX6LN PARAGON ERC-2 Controller Settings Set the Paragon ERC-2 controller parameters as described in table below: CloC = Set to local time SEt = 32 dSPL = rSP° CLHr = 12HR °dSP = F° dFtP = ELEC EFAN = yES CFAN = on dFin = TdAy...

  • Page 7: Case Data

    15 min. Type I refrigerator, intended for use in an area where the environmental conditions are controlled and maintained that conditions do not exceed 75°F and 55% relative humidity. Kysor Warren, whose policy is one of continuous improvement, reserves the right to change at any time specifications, designs, or prices without incurring obligation.

  • Page 8: Case Installation

    Installation and Operation Manual Maximum Top Shelving Size Recommended: 22” NOTE: The refrigerated air curtain is very important to the performance of this case. The load limit line (see operation section) is the indicator of the inside edge of the air curtain and at no time should shelving, product, signs, debris, etc., interfere with the air curtain.
  • Page 9 STRATUS Multi-Deck Display Case Installing Case 1. Ensure all preparation for installation, as outlined in the above paragraphs, have been fully complied with and are complete. 2. If multiple cases are to be installed, find the highest area of the floor to place the first case. 3.
  • Page 10 Drain Strainer NOTE: Not all Kysor Warren cases have drain strainers. Drain strainers are optional. This information applies only to cases equipped with drain strainers. The drain strainer is used to keep debris or foreign objects from entering the PVC drain, which could cause blockage.

  • Page 11: Modular Condensing Unit

    STRATUS Multi-Deck Display Case Modular Condensing Unit Mounting Base and Enclosure The control box and Buck & Boost transformer are attached to the top of the case. The condensing unit, defrost water evaporation pan and valance panels are shipped loose and are field installed. (Refer to pictures) Assembly—Modular Condensing Unit The top front valence panel has a rectangular knock out provided for the controller display to be inserted into.
  • Page 12 Installation and Operation Manual Assembly—Condensate Pump The DX6LN case has approximately 9.92 lb condensate/ft/day. Special care is required to ensure the condensate can be evaporated or drained to the sewer. It can save a lot of energy by draining the condensate to the sewer. If there is no access for drainage, please install the drain-evaporator mechanism in the following way to prevent the water overflow to the floor.
  • Page 13 STRATUS Multi-Deck Display Case Assembly—Condensate Pump (cont.) 3. Condensate is collected into the condensate pump with the following diagram. 4. Please ensure that the condensate flows into the pump pan. Ensure there is no leakage at the joints.
  • Page 14 Installation and Operation Manual Refrigeration Piping Coupling Connection Instructions The couplings on the ends of the pre-charged line sets are self-sealing when installed properly. Follow these instruc- tions carefully. An EPA Certified Type II or higher technician must perform these steps. Initial Connections 1.
  • Page 15 STRATUS Multi-Deck Display Case Coupling Description Rotate Swivel Nut 1/4 Turn More The following pages show the stages of coupling assembly as the swivel nut and male fitting are drawn together. The swivel nut end contains one diaphragm in the center post. The male fitting contains the knife blades and its own diaphragm.
  • Page 16 Installation and Operation Manual Below shows the two parts almost together; the threads are flush. At this point the main problem will be refrigerant leaks. Threads Flush Knives Visible Pierced, but will leak Correctly Tightened Knives Fully Open Fully Pierced NOTE: Couplings that are screwed together but have threads showing are not only leaking refrigerant, they are re- stricting the flow of refrigerant through the small slits in the membranes or diaphragms.

  • Page 17: Electrical Connections-General

    STRATUS Multi-Deck Display Case Electrical Connections—General WARNING! Ensure the kickplate does not come in contact with the case electrical wiring. Live electrical wiring that comes in contact with the case is a shock hazard that may cause severe injury or death by electrocution. WARNING! Always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component.
  • Page 18 Installation and Operation Manual...
  • Page 19 STRATUS Multi-Deck Display Case...
  • Page 20 Installation and Operation Manual...
  • Page 21 STRATUS Multi-Deck Display Case Expansion Valve and Superheat CAUTION: During service of this equipment, precautions should be taken to prevent loss of refrigerant to the atmosphere. Always install the expansion valve stem cap after making valve adjustments. The expansion valve furnished with your case has been sized for maximum coil efficiency. To adjust superheat, perform the following: 1.

  • Page 22: Ecm Evaporator Fan

    Installation and Operation Manual ECM Evaporator Fan Product Overview This troubleshooting guide covers the evaporator fan. The fan is supplied as a complete assembly (fan blade, motor mount and power harness) with no replaceable components. An electronically commutated (brush-less) motor powers the fan.
  • Page 23 STRATUS Multi-Deck Display Case Procedures—Fan removed from the case 2. FAN HARNESS PLUG 1. Disconnect the fan plug from the case wire harness and inspect the pins. If they appear bent, straighten them out and reconnect the plug. If pins are broken, replace the power harness. 2.

  • Page 24: Operation

    Installation and Operation Manual Operation Merchandise should not be placed in the fixture until all controls have been adjusted and the case is at the proper temperature. AT NO TIME SHOULD THE CASE BE STOCKED BEYOND THE LOAD LIMIT LINE OR OVER THE FRONT EDGE OF THE ADJUSTABLE SHELVES.
  • Page 25 STRATUS Multi-Deck Display Case CAUTION—The following could damage the case: • Use of cleaning products containing chlorine, chloride ion, the words Bleach, is not recommended for un- painted stainless steel surfaces as it may cause rust to form. The operational warranty of the equipment will be voided if these products cause rust to form on the stainless steel parts or any other parts of the equipment.

  • Page 26: Parts List

    NOTE: Standard parts are provided in the parts lists. Cases may be equipped with specialty parts that were incor- porated into the case(s) at the time they were manufactured. It is important to have the case serial number when contacting Kysor Warren for replacement parts. Warranty—Rev. January 2015...
  • Page 27 Replacements within the time period of the standard Warranty (as modified in some instances as stated above) are available through the distributor; for the remaining years, the purchaser must submit a proof-of-purchase of a compressor and supply it to Kysor Warren Warranty Claims for reimbursement.
  • Page 28 Installation and Operation Manual THIS WARRANTY SHALL NOT APPLY: 1. Glass is not guaranteed against breakage. If this refrigerator is equipped with a glazing assembly carrying the manufacturer’s brand name (Thermopane, Twindow, etc.), the manufacturer’s glazing warranty in effect at the time of this shipment is extended to that assembly. 2.
  • Page 29 5201 Transport Blvd. Columbus, GA 31907 P: 800.866.5596 F: 706.568.8990 www.kysorwarren.com...

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