Merchandisers Euro Deli Service Merchandisers Delicatessen Merchandisers (Includes Wedge Installation) e nc ! T e re N re f A e Installation & RTutur f Operation Manual PO r o Shipped With Case Data Sheets IM re f e Ke p in st o P/N 406928.
P/N 406928 iii TABLE OF CONTENTS INSTALLATION Location . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Front Glass Caution . . . . . . . . . . . . . . . . . 1-1 Shipping Damage . . . . . . . . . . . . . . . . . . . 1-2 Exterior Loading . . . . . . . . . . . . . . . . . . . . 1-2 Merchandisers Shipped with End Installed 1-2 Shipping Braces . . . . . . . . . . . . . . . . . . . . 1-2 Shipping Rider . . . . . . . . . . . . . . . . . . . . . 1-2 Leveling . . . . . . . . . . . . . . . . . . . . . . . .
P/N 406928 1-1 INSTALLATION LOCATION ! These merchandisers are designed for displaying products in air conditioned stores where temperature is maintained at or below 75°F (24°C) and relative humidity is maintained at or below 55%. Placing refrigerated merchandisers in direct sunlight, near hot tables or near other heat sources could impair their efficiency. Like other merchandisers, these are sensitive to air disturbances. Air currents passing around merchandisers will seriously impair their operation.
1-2 INSTALLATION ! WARNING Do NOT remove shipping braces until the merchandisers are positioned for installation. SHIPPING DAMAGE All equipment should be thoroughly examined for shipping damage before and during unloading. This equipment has been carefully inspected at our factory. Any claim for loss or damage must be made to the carrier. The carrier will provide any necessary inspection reports and/or claim forms.
P/N 406928 1-3 Cross-Members Sides Screws (each leg) Shipping Rider for 8 ft Case Screws (two each end of each cross-member) Leg U LEVELING Merchandisers must be installed level to ensure proper operation of the refrigeration system and to ensure proper drainage of defrost water. Level on Upper Front Panel Set a long level (4 ft [1220 mm] or more) on the upper front panel of the merchandiser.
1-4 INSTALLATION JOINING INSTRUCTIONS Sectional construction means that two or more merchandisers may be joined in line yielding one long continuous display requiring only one pair of ends. All joints must be air-tight to prevent formation of ice or condensation. Refer to the detailed information provided in the separate Joining Instruction shipped with each case.
P/N 406928 2-1 REFRIGERATION / ELECTRICAL REFRIGERANT The correct type of refrigerant will be stamped on each merchandiser’s serial plate. The case refrigeration piping is factory sealed, pressurized and leak tested. Before making refrigeration hookups, depress universal line valve to ensure that coils have maintained pressure during shipment. ! Display Pan WARNING Fan Refrigeration lines are under pressure and should be depressurized before attempting to make any connections.
2-2 REFRIGERATION / ELECTRICAL INSULATION LIQUID LINE The suction and liquid lines should be clamped or taped together and insulated for a minimum of 30 ft (9144 mm) from the merchandiser. Additional insulation for the balance of the liquid and suction lines is recommended wherever condensation drippage is objectionable or lines are exposed to ambient conditions. • May be reduced by one size after one half the case run load. Do not reduce below the case liquid line connection size.
P/N 406928 2-3 CONTROL SETTINGS REFRIGERATION THERMOSTAT Merchandiser data sheets are shipped with this manual. The data sheets provide case control settings and defrost data. The bulb for the optional refrigeration thermostat is located in the discharge air of the evaporator. The optional refrigeration thermostat is located behind the exterior rear panel. An evaporator pressure regulator or EPR (primary control) and a 3 – 5ºF (1.7 – 2.
2-4 REFRIGERATION / ELECTRICAL MERCHANDISER ELECTRICAL DATA FIELD WIRING Merchandiser data sheets are shipped with this manual. The data sheets provide case electrical data, electrical schematics, parts lists and performance data. Refer to the merchandiser data sheets and case serial plate for electrical information. Field wiring must be sized for component amperes stamped on the serial plate. Actual ampere draw may be less than specified.
P/N 406928 3-1 DRIP PIPING AND SPLASHGUARDS WASTE OUTLET AND WATER SEAL The waste outlet is located in front of the fan plenum 6 ft (1829 mm) from the left-hand of the merchandiser (facing case front) allowing drip piping to be run under the fixture lengthwise. A 11/2 in. (38 mm) water seal is supplied with each fixture. The water seal must be installed to prevent air leakage and insect entrance into the fixture.
3-2 DRIP PIPING AND SPLASHGUARDS INSTALLING SPLASHGUARD AND LOWER FRONT PANEL Make certain that the end assemblies, end splashguards and end panels have been installed according to the End Kit instruction. 3. Push the lower edge of the splashguard toward the bottom of hte bracket until it snaps into place. The splashguard and lower front panel are shipped inside each case.
P/N 406928 HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.
3-4 DRIP PIPING AND SPLASHGUARDS INSTALLING BOTTOM REAR PANEL For fixed installation: 1. Align slots in bottom rear panel with center of legs. 2. Drive a hex head sheetmetal screw through each slot into each leg.
P/N 406928 4-1 START UP / OPERATION START UP STOCKING See the specific merchandiser's Data Sheet Set for refrigerant settings and defrost requirements. Bring merchandisers down to the operating temperatures listed on the data sheet. Product should NOT be placed in merchandisers until case is at proper operating temperature. Each 4 ft (1219 mm) section has its own evaporator coil and pre-set non-adjustable thermostatic expansion valve (TEV). No adjustment is required. DO NOT REMOVE THE CAP ON THE TEVS.
4-2 START UP / OPERATION LOAD LIMIT PROFILES Load Limit Load Limit ED1 P/N 406928 EDS1
P/N 406928 5-1 MAINTENANCE CARE AND CLEANING Long life and satisfactory performance of any equipment is dependent upon the care it receives. To ensure long life, proper sanitation and minimum maintenance costs, these merchandisers should be thoroughly cleaned, all debris removed and the interiors washed down, at least weekly. Do: • • • Exterior Surfaces The exterior surfaces must be cleaned with a mild detergent and warm water to protect and maintain their attractive finish.
5-2 MAINTENANCE INTERIOR CLEANING STEPS ! WARNING Do NOT allow product to sit in a non-refrigerated area. ! WARNING ALWAYS SHUT POWER OFF DURING CLEANING PROCESS. STEP 1 – Remove product to cooler. STEP 4 – Remove display pans. 41°F (5°C) STEP 5 – Lift out discharge air grille. STEP 2 – Turn off refrigeration. STEP 6 – Lift out interior back panel. STEP 3 – Shut power off. Note that refrigeration controls and power controls are not in the merchandiser.
P/N 406928 5-3 STEP 7 – Lift out return air grille (from front). OR Unplug fan harness. STEP 8 – Rotate fan plenum up and back; hook chain at rear of liner. Lift fan plenum up and back to remove. (view is from the back) HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.
5-4 MAINTENANCE STEP 9 – Clean inside the merchandiser. Once interior parts have been removed, collect loose debris for removal. Do not clog waste outlet. STEP 10 – Clean and sanitize according to local requirements. STEP 11 – Reassemble in reverse order. Turn on power, then refrigeration. Make certain merchandiser has cooled to operating temperature before restocking. REMOVING SCRATCHES FROM BUMPER Most scratches and dings can be removed using the following procedure. 1.
P/N 406928 6-1 SERVICE REPLACING FAN MOTORS AND BLADES See cross section for location of evaporator fans. Should it ever be necessary to service or replace the fan motors or blades be certain that the fan blades are re-installed correctly. THE BLADES MUST BE INSTALLED WITH RAISED EMBOSSING (PART NUMBER ON PLASTIC BLADES) POSITIONED AS INDICATED ON THE PARTS LIST. (Refer to the case data sheet for each model.
6-2 SERVICE For access to ambient fans: REMOVING OPTIONAL RAIL LAMP POLYCARBONATE COVER 1. Turn off power. 2. Remove lower front panel. 3. Disconnect fan from wiring harness. The rail covers are removed without tools. From the front of the case, grasp the cover with both hands. Apply pressure as shown in the photo. Pull forward and up until the back of the cover clears the retainer. 4. Remove screws holding motor and grille. 5. Replace fan motor and grille. 6. Reconnect fan to wiring harness.
P/N 406928 6-3 REPLACING FLUORESCENT LAMPS Fluorescent lamps are furnished with moisture resistant lamp holders and end caps. Lamps on lighted shelves have plastic shields. Whenever a fluorescent lamp is replaced, be certain to reinstall the plastic shields and end caps. REPLACING LAMP HOLDERS AND END CAPS The Hussmann Impact lamp holder is designed to snap into the sheet metal of the case. The lamp holder has a locking ‘nub’ which fits inside the groove of specially designed end caps.
6-4 SERVICE REPLACING ELECTRONIC BALLAST Lamp Ballast The lamp ballast are located in the raceway, behind the back lower panel at the left-hand end of the merchandiser (facing rear of case). NOTE: The switch for the lamp is located in this panel. To gain access: 1. Disconnect the electrical power to the merchandiser. ! WARNING Always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component.
P/N 406928 6-5 REPLACING CYLINDERS — SINGLE PANE GLASS 1. Raise the front glass to open completely. ! WARNING Glass is heavy and can cause bodily damage. Check support cylinders for periodic maintenance. ! CAUTION Cylinders are a wear item. They are designed: • to support the glass when fully open. • to allow the glass to come down (or close) slowly. Have your Service Contractor replace the cylinders when required. ! 2. Use special hand tool, shown in photo, to compress and remove cylinder.
6-6 SERVICE REPLACING SINGLE PANE FRONT GLASS (Requires more than one person.) ! WARNING Once set screws are loose, the glass and glass clamp have NO support or retainers. Support the front glass at all times until the top glass clamp and set screws are secured, or glass is removed. 1. Raise the front glass to open completely. 2. Loosen all set screws along the inside bottom of the glass clamp.
P/N 406928 6-7 REPLACING GLASS HAND GRIP The hand grip is fastened to the curved glass as shown below. A 2 inch (51 mm) bead of silicone needs to be placed 3 inches (76 mm) from each end and in the center of the hand grip. The duct tape is placed on the glass to provide a tight fit. Type: Two cylinders and three fastening points. P/N 0407352 Used on: 30° outside wedge. 3/ 8 in. (10 mm) of Duct Tape on Each Side of Bottom Edge of Glass Duct Tape Glass 3/ 8 in. (10 mm) 3 in. (76 mm) Start 2 in.
6-8 SERVICE REPAIRING ALUMINUM COIL The aluminum coils used in Hussmann merchandisers may be easily repaired in the field. Materials are available from local refrigeration wholesalers. Technique: 1. Locate Leak. Hussmann recommends the following solders and technique: 3. Brush area UNDER HEAT. Solders Aladdin Welding Products Inc. P.O. Box 7188 1300 Burton St. Grand Rapids, MI 49507 Phone: 1-800-645-3413 Fax: 1-800-645-3414 X-Ergon 1570 E. Northgate P.O.
® The full product warranty is available from our website, www.hussmann.com To obtain additional information or other support, contact your Hussmann representative. Please include the model and serial number of the product. Hussmann Corporation, Corporate Headquarters: Bridgeton, Missouri, U.S.A.
