Hussmann IMPACT RL Installation And Operation Manual
Reach-in merchandisers medium and low temperature cases
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- Installation instructions manual (15 pages) ,
- Installation instruction (12 pages) ,
- Install manual (7 pages)
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Summary of Contents for Hussmann IMPACT RL
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Page 1: Operation Manual
® Merchandisers Reach-in Merchandisers Medium and Low Temperature Cases Installation & Operation Manual Shipped With Case Data Sheets P/N 0387183_D Impact Series October 2007... -
Page 3: Table Of Contents
Replacing Damaged Drain Fitting ... 6-11 Repairing Aluminum Coils ....6-12 WARRANTY IMPORTANT Quality that sets industry standards! www.hussmann.com © 2007 Hussmann Corporation... - Page 4 CONTENTS INSTALLATION TOOL LIST Unloading From Trailer: Lever Bar (also know as a Mule, Johnson Bar, J-bar, Lever Dolly, and pry lever) Moving Dolly Setting Case Line-Up: Level, 4 ft suggested Ratchet in. Socket in. Socket in. Socket Battery Drill/Screw Gun Caulking Gun 10 in.
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Page 5: Installation
(102 CLEARANCE OF INCHES merchandisers and other fixtures or walls. HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. INSTALLATION Product should always be maintained at proper ® temperature. This means that from the time the product is received, through storage, preparation and display, the temperature of the product must be controlled to maximize the life of the product. -
Page 6: Exterior Loading
Tabs Fit in Retainer Slots Front Panel At completion of all electrical work, installation contractor shall re-install the panels using care to ensure all panels are centered and properly fastened. Heat Exchanger Shipping Block Top View of Merchandiser Remove Screws HUSSMANN... -
Page 7: Leveling
5-Door Island Shown Electrical Wireway HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. Approximately Centered Shim Here Shim Here Skid/External Base... -
Page 8: Door Adjustment
BEFORE PIPING CASE have a maximum extension of one (1) inch (25 mm) for uneven floors. Bumper Retainer Screw DO NOT BRACKETS Splashguard Retainer Support Splashguard Support Bracket Splashguard Retainer . The leveling brackets Base Rail PLACE SHIMS UNDER SPLASHGUARD HUSSMANN... -
Page 9: Installing Bumpers
Merchandiser Joint Internal Joint Trims HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. Do NOT install the last bumper sections at this time. These sections will be installed in the last step. Once all except the last section of bumper have been installed, refrigerate the case line-up for at least six (6) hours. - Page 10 NSTALLATION Remove protective film from bumpers once installation is complete. Optional end bumpers are factory-installed. P/N 0387183_D HUSSMANN...
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Page 11: Refrigeration / Electrical
SYSTEM control and compressor failure. HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. REFRIGERATION / ELECTRICAL NOTE: If Gas defrost is used, the liquid line will need to be increased two sizes larger inside the merchandiser area. -
Page 12: Branch Line Piping
EFRIGERATION CAUTION The following information is applicable only for piping Hussmann merchandisers to Hussmann refrigeration equipment. BRANCH LINE PIPING Suction Line – All Defrosts • Pitch in direction of flow. • May be reduced by one size at one third of case run load and again after the second third. -
Page 13: Expansion Valve Adjustment
Wait at least 15 minutes before rechecking the probe temperature or making further adjustments. HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. REFRIGERATION THERMOSTAT The thermostat body is located in the electrical raceway near the right-hand end of the merchan- diser. Its sensing bulb is located behind the right end interior back panel. - Page 14 EFRIGERATION P/N 0387183_D LECTRICAL Distributor Assembly TEV Bulb Mounted on Side of Suction Tube Heat Exchanger Assembly Component Location in RLT Models RLT Coil Optional Gas Bypass Check Valve HUSSMANN...
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Page 15: Defrost Termination Thermostat
If an optional adjustable thermostat is used, the bulb will be clamped to the suction line on the left end of the case. HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. ELECTRIC ELECTRIC DEFROST ONLY 5 Door &... -
Page 16: Control Settings
Low head pressure Long refrigerant line runs Seasonal changes Merchandiser temperature lower than recommended When practical, defrost when store is closed. Low pressure control settings are applicable to outdoor condensing units where ambient does not fall below 0 deg F. HUSSMANN... - Page 17 Merchandiser temperature lower than recommended Stagger defrosts to maintain stable compressor loading and sufficient defrost gas. When practi- cal, defrost when store is closed. HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. CONTROL SETTINGS LOW TEMPERATURE Parallel Compressor Rack Measure Discharge Air Temperature at the center of the case at the discharge honeycomb.
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Page 18: Merchandiser Electrical Data
(shown below) located inside the merchandiser raceway. WIRING COLOR CODE HERMOSTAT EATERS LEEVE OLORED CASE MUST BE GROUNDED WARNING connection. RANGE OR ...L IGHTS AROON ECEPTACLES * ..D ELLOW EFROST EATERS *...D EFROST EATERS NSULATION HUSSMANN , 120V , 208V... -
Page 19: Drip Piping And Splashguards
This End MUST Be Above Tee Fitting Field-Installed Coupling HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. Splashguard brackets MUST be installed 4. Avoid long runs of drip piping. Long runs make it impossible to provide the pitch neces- sary for good drainage. -
Page 20: Installing Splashguards
Splashguard Joint Splashguards are joined with a galvanized metal splice connector that comes with the joint kit. Join the splashguards before installing on case. P/N 0387183_D PLASHGUARDS Splashguard Retaining Bracket Splashguard Splice Connector Side Detail HUSSMANN... -
Page 21: Sealing Splashguard To Floor
Splashguard Silicone-type Sealer HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. tainless steel splashguards may be PTIONAL S sealed to the floor using a vinyl cove base trim. The size of trim needed will depend on how much the floor is out of level. - Page 22 IPING AND PLASHGUARDS NOTES P/N 0387183_D HUSSMANN...
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Page 23: Start Up / Operation
Do not prop doors open while stocking. And keep the doors closed as much as possible to prevent coil frosting and high merchandiser temperature. HUSSMANN CORPORATION, BRIDGETON, MO 63044-2483 U.S.A. START UP / OPERATION LOAD LIMITS Shelf life of perishables will be short if load limit is violated. -
Page 24: Installing Fda/Nsf Required Thermometer
The following pages provide the same information that ships with the thermometer. This requirement does not apply to display refrigerators intended for bulk produce (refer to page 1-1). Please note that the tape cannot be exposed after installation. RLNI Load Limits COIL COIL HUSSMANN... - Page 25 US FDA Food Code Required Thermometer Thermometer — Hussmann Part TM.4911251 Hussmann Corporation • 12999 St. Charles Rock Road • Bridgeton, MO 63044-2483 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com © 2007 Hussmann Corporation Double Stick Tape Flexible Plastic...
- Page 26 Tape must not be exposed after installation. Questions about either code should be addressed to local agencies or other appropriate officials. HUSSMANN...
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Page 27: Maintenance
This can cause the glass to shatter and could result in personal injury. Allow glass fronts, ends and service doors to warm before applying hot water. HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. MAINTENANCE • Abrasive cleansers and scouring pads, as these will mar the finish. -
Page 28: Cleaning Honeycomb Assemblies
1. Use steel wool to smooth out the surface area of the bumper or top rail. 2. Clean area. 3. Apply vinyl or car wax and polish surface for a smooth glossy finish. Top Panel Screw Adhesive Honeycomb Retainer HUSSMANN... -
Page 29: Service
Use silicone sealant to close other gaps. 12. Replace display pans. Bring merchandiser to operating temperature before restocking. HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. SERVICE WARNING Always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component. - Page 30 Gasket Bracket WARNING Always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component. This includes, but is not limited to, such items as fans, heaters, thermostats and lights. Fan Blade Screws Tape Motor HUSSMANN...
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Page 31: Replacing Electric Defrost Heaters
7. Replace the coil cover and lower fan plenum. 8. Turn on power. HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. 9. Verify that heater is working correctly. 10. Close air gaps under fan plenum. Warmer air moving into refrigerated air reduces effective cooling. - Page 32 5. Position new heater in bracket. 6. Close the bracket with the element support 7. Turn on power. 8. Verify that heater is working correctly. LH Plenum Mounting Bracket RH Plenum Mounting Bracket Heating Element Support RLT Defrost Heater HUSSMANN...
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Page 33: Replacing Drain Pan Heater
If jiffy clips are removed, make certain sealer is replaced. 4. Reconnect power. 5. Verify that heater is working correctly. HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. Always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component. This includes, but is not limited to, such items as fans, heaters, thermostats and lights. -
Page 34: Rlt With Gas Defrost Only: Replacing
P/N 0387183_D Slide Rod Heater Under Tabs. Lightly Press Down on Tabs. Rear Secondary Plate and Heater Front Secondary Plate and Heater Interlock Plates Together HUSSMANN... -
Page 35: Replacing Lamp Ballast (Other Than Rlt)
(3) screws (three -door), (4) screws (four-door), (5) screws (five door), to the front panel HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. C. Lift the front panel up and out from the front of the case. Tabs on front panel must clear slots on bumper retainer. -
Page 36: Replacing Rlt Lamp Ballast
Top Foam Assembly Fan and Heater Wiring Routed Through Top Foam Assembly Hussmann recommends against frame heater cycling with Innovator doors to prevent door seals from freezing to the frames and tearing. P/N 0387183_D RLT Wiring Routed Up Through Top Panel to... -
Page 37: Servicing Vertical Lighting
The manufacturers have a warranty against moisture penetration, a warranty against tempered glass breakage, and a warranty on ballasts. Lamps are not covered by Hussmann or the door manufacturer. HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. REPLACING DAMAGED DRAIN FITTING The following procedure is for the field repair of a broken drain fitting. -
Page 38: Repairing Aluminum Coils
6-10 ERVICE REPAIRING ALUMINUM COIL The aluminum coils used in Hussmann merchan- disers may be easily repaired in the field. Materials are available from local refrigeration wholesalers. Hussmann recommends the following solders and technique: Solders Aladdin Welding Products Inc. P.O. Box 7188 1300 Burton St. - Page 39 ® To obtain warranty 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. 63044-2483 01 July 2005...