Polar King Walk-In Series Installation & Service Manual

One piece outside coolers - freezers

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Installation & Service
Manual
One Piece Outside Walk-In
Coolers - Freezers

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Summary of Contents for Polar King Walk-In Series

  • Page 1 Installation & Service Manual One Piece Outside Walk-In Coolers - Freezers...
  • Page 2 Installation & Service Manual Polar King International, Inc. SERVICE 4424 New Haven Avenue Fort Wayne, Indiana 46803 In Indiana – 260-428-2530 Toll Free – 1-800-223-2017 Fax – 260-428-2533 SALES 4424 New Haven Avenue Fort Wayne, Indiana 46803 In Indiana – 260-428-2530 Toll Free –...
  • Page 3 To Our Customers: Thank you for purchasing a Polar King walk-in to fill your refrigerated storage requirements. Your walk-in has been designed and engineered to provide years of trouble-free service. All Polar King walk-ins are factory constructed using space-age materials and state-of-the art manufacturing techniques. Every unit receives numerous quality inspections and is pre-tested prior to delivery.
  • Page 4: Table Of Contents

    TABLE OF CONTENTS Refrigeration Basics ......................1 Heat Load........................1 Product Load........................2 Loading Your Walk-In...................... 2 Basic Structure........................ 2 Refrigeration........................2 Walk-Through Installation....................2 Installation Instructions....................3 Roof Flashing Installation ....................4 Sidewall Flashing Installation ..................4 Architectural / Engineering Specifications ............... 5 Optional Accessories Specifications ................
  • Page 5: Refrigeration Basics

    REFRIGERATION BASICS Modern refrigeration has many applications. The first, and probably the most important, is the preservation of food because most foods kept at room temperature spoil rapidly. However, when kept cold most foods will keep much longer. Before looking at the operation of mechanical refrigeration, it is important to understand the physical and thermal properties of the mechanisms and substances used to extract heat.
  • Page 6: Product Load

    Polar King walk-in. No protective roofs or enclosures are required. You won't pay to "cool the outside" with a Polar King unit. All the cold air stays in the unit where it belongs. This equates to big dollar savings for you.
  • Page 7: Installation Instructions

    INSTALLATION INSTRUCTIONS Polar King walk-in coolers and / or freezers are delivered to our customers fully assembled and require only a few basic procedures prior to start-up. DO'S Provide a level slab as required by your local building code. It is very important that the surface is level for proper drainage and operation.
  • Page 8: Roof Flashing Installation

    Install supplied termination bar over top edge of elastoform flashing. Fasten approximately 12” on center. (Fasteners are not included.) (11) Apply bead of silicone sealant (not provided by Polar King) to top of termination bar to finish installation. The completed flashing assembly can be painted if desired. SIDEWALL FLASHING INSTALLATION Read instructions thoroughly before starting.
  • Page 9: Architectural / Engineering Specifications

    Service Consultant specification writers, on projects utilizing outdoor walk-in refrigeration equipment. Where items appear in brackets [ ] a selection of one of the alternatives is required by the specifier. Due to our policy of ongoing product improvement, Polar King International reserves the right to change specifications without notice.
  • Page 10 FLOOR A 4" insulated (R-32) prefabricated floor shall be supplied. The floor shall be reinforced with woven fiberglass matting on top of a 1/2" sub floor bonded to the urethane core forming a watertight seal. A skid resistant surface coating will be applied to the floor surface. The floor shall be constructed for permanent elevation 11/2"...
  • Page 11 Entry doorjamb shall include a vapor-proof switch and visible pilot light to indicate when lights are in the "ON" position. THERMOMETER Entry door shall be supplied with 2", flush face dial-type thermometer. Thermometer shall be NSF approved. HASP LOCK All entry doors not specified as thru-wall or partition type doors shall be equipped with a door hasp lock to prevent unauthorized entry into the walk-in.
  • Page 12 12.0 SELF CONTAINED REFRIGERATION SYSTEM(S) 12.1 Packaged refrigeration system(s) shall be manufactured and factory installed by the walk-in unit manufacturer. 12.2 System(s) shall be complete and ready to operate without field assembly, installation, or start-up required. 12.3 Refrigerants shall be non-flammable type R-404a or other acceptable substitute when necessary. 12.4 Electrical controls including system breakers shall be supplied, installed and ready to operate with single point electrical connection by others.
  • Page 13: Optional Accessories Specifications

    OPTIONAL ACCESSORIES SPECIFICATIONS 11.1 The following optional accessories are to be provided with the walk-in and shall be factory installed. Exterior Door Ramp: Shall be sized the width of the door x [30"] [36"] [47"] long. 11.2 18 ga. Stainless Steel Door Kick plate Set: Shall not be less than 18" high x width of door and 11.3 of 18 ga.
  • Page 14 All on-site refrigeration piping, refrigerant charging, and system start-up procedures shall be done according to ASHRAE recommended procedures and in conformance to local mechanical codes. 11.16 Nailer Trim: Shall be provided according to plans and drawings for attachment of siding, stucco, or other decorative material after the unit is set in place.
  • Page 21: Recommended Annual Maintenance

    Reseal as necessary. CIRCUIT BREAKERS All Polar King coolers and freezers are equipped with circuit breakers. Circuit breakers must be in the "ON" position for the unit to operate. DO NOT USE THE CIRCUIT BREAKERS AS AN ON-OFF SWITCH. Units must go through a "pump down"...
  • Page 22: Amp Load Requirements And Btuh System Capacities

    AMP LOAD REQUIREMENTS AND BTUH SYSTEM CAPACITIES C ondensing U nit Evaporator Voltage B T U H 1 PH 3 P H R -22 M ed iu m Tem peratu re (35° F) H erm etic F3A H -A050 LC A6-44 208-230 3950 N /A...
  • Page 30: Sequence Of Operation Coolers And Freezers

    All units are set at the factory to the temperature requested by the customer. Minor adjustments in operating temperature may be made to suit your needs. Polar King recommends that you do not set the walk-in temperature colder than required, as this will cause unnecessary power consumption.
  • Page 31: Defrost (Time Initiated - Temperature Terminated)

    DEFROST (TIME INITIATED - TEMPERATURE TERMINATED) After a run period of approximately 6 hours, the evaporator coil will be frosted and require a defrost. Four defrost cycles per day are programmed at the factory (4 a.m., 10 a.m., 4 p.m., and 10 p.m.). It may be necessary to change the defrost cycle times to fit your work schedule.
  • Page 32 DEFROST CONTROL DURATION LONGER SHORTER DEFROST CONTROL FIGURE 5-1 LOCATED ON RIGHT END OF EVAPORATOR COIL (MLT MODELS ONLY) DEFROST TIMER CLOCK Time of Day Indicator 24 Hour Dial NO O N Timer Pin Defrost Fail-Safe Tripper for Termination Cycle Manual Time Setting Knob FIGURE 5-2 LOCATED IN ELECTRICAL CONTROL PANEL ON TOP OF WALK-IN...
  • Page 33: Operating Tips

    OPERATING TIPS The operation of your Polar King walk-in cooler and/or freezer has been engineered to be as simple and trouble free as possible. This catalog provides you some helpful hints for everyday use of your equipment. After unit has been delivered, we recommend that anyone who will work with your Polar King unit take a minute and walk through it to familiarize themselves with the unit.
  • Page 34: Service Analysis

    SERVICE ANALYSIS GENERAL REFRIGERATION SYSTEM SERVICE ANALYSIS POSSIBLE CAUSES POSSIBLE CORRECTIVE STEPS Problem - Compressor will not run. No supply at motor. Check connections and controls. Main disconnects open. Close disconnect. Fuse blown. Repair electrical defect: replace fuse. Overload open circuit Rectify overload condition;...
  • Page 35 GENERAL REFRIGERATION SYSTEM SERVICE ANALYSIS POSSIBLE CAUSES POSSIBLE CORRECTIVE STEPS Problem - Compressor short cycles. Control differential too small. Readjust controls. Valve plate leaking. Replace valve plate. Motor overloading. Check condenser cooling, refrigerant charge, compressor lubrication, and load conditions. Shortage of refrigerant. Repair leak and check for acidity.
  • Page 36: Approvals & Code Compliances

    APPROVALS & CODE COMPLIANCES EQUIPMENT APPROVALS / COMPLIANCES National Sanitation Foundation (NSF) National Electric Code (NEC) U.L. Listed, Class I Urethane Foam U.L. Listed Major Refrigeration Components U.L. Listed Electrical Components BUILDING CODE GENERAL COMPLIANCES International Conference of Building Officials (ICBO) Southern Building Code Congress International (SBCCI) Building Officials Congress Association (BOCA)
  • Page 37: Conditions Of Sale

    Seller's terms and conditions shall be binding upon the Seller unless specifically agreed to in writing by an officer of Polar King. No representative or agent shall have the authority to abrogate or change any part of these conditions of sale, nor to obligate the company for costs of any kind whatsoever, without permission from an officer of Polar King.
  • Page 38 CANCELLATIONS The Seller subject to a cancellation charge will accept cancellation of an order for time, materials, and delivery. PATENTS Goods manufactured and sold by the Seller may be used by the buyer pursuant to such patent rights as the Seller has, and such goods do not, in and of themselves, infringe any unexpired U.S. patent;...
  • Page 39: Warranty

    All warranty service claims made must be made in accordance with the Polar King "Warranty Work Policy." The above states the entire warranty provided by Polar King, and is in lieu of any and all other warranties expressed or implied.
  • Page 40: Warranty Work Policy

    WARRANTY WORK POLICY In the event of a malfunction in operation of your Polar King walk-in cooler and/or freezer, the following steps must be taken in this order. Review the preliminary checklist. Check power source (Are lights working, etc?). Is there heat on the bottom of evaporator coil in the walk-in? If so, the unit may be in a defrost cycle.

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