Reach-in Merchandisers
Contents
1. This thermometer is provided in response to United States Food and Drug Administration US FDA Food Code http www fda gov National Sanitation Foundation NSF ANSI Standard 7 http www nsf org Each installation will be different depending on how the unit is stocked shopping patterns in the department and ambient conditions of the store The suggested loca tions provided herein are possible locations It is the responsibility of the purchaser user to determine the location within the food storage area of the unit that best meets the code requirements above The thermometer may need to be moved several times to find the warmest location Mounting options include flexible plastic for price tag molding application magnet applied to back of flexible plastic for steel end wall and double stick tape Tape must not be exposed after installation Questions about either code should be addressed to local agencies or other appropriate officials P N 0387183 Q Keep with merchandiser or give to store manager DO NOT DESTROY U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 Q 5 1 MAINTENANCE CARE AND CLEANING Long life and satisfactory performance of any equip ment 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 i2. Reach In 1 24 INSTALLATION INSTALLING BUMPERS Offsetting the bumpers and top rails helps to disguise the joint locations giving the lineup a smoother look Begin at the left end of the line up A starter bumper is factory installed with end kits Insert the internal joint trim then add the full length bumper Align each bumper section with its retainer and push into place working from the end of the lineup Install full length bumpers and internal joint trims offset across joints Make sure that no gaps exist between sections Continue installing bumpers the length of the line up Merchandiser Joint a Merchandiser Joint Internal Joint Trims Full Length Bumpers Tis Starter Bumper P N 0387183 Q 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 The last sections of bumper should be kept inside a refrigerated case or cooler during this time to allow the bumpers to con tract Before installing the last full length section measure the remaining space Use a miter box and fine tooth saw to cut last bumper to length Install the last section Remove protective film from bumpers once installation is complete Optional end bumpers are factory installed H Bumper Bumper End Caps can be adjusted horiz
3. ber 2 teflon tape Page 6 7 REVISION N APRIL 2013 1 Inserted Joining Instructions Pages 1 8 1 22 U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 Q REVISION M MARCH 2013 1 Revised caution note on page 1 1 added to Page 4 1 REVISION L AUGUST 2012 1 Updated instructions for moving case through small doors Section 1 REVISION K JULY 2012 1 Included instructions for clearing smaller store entrances Section 1 Ice cream note added to Page 4 1 REVISIONJ APRIL 2012 1 Corrected Table of Contents page 111 REVISION I NOT ISSUED REVISION H MARCH 2012 1 Amended Installing Drip Piping procedure Page 3 2 REVISION G MARCH 2010 1 Revised Installing Drip Piping procedure Pages 3 1 through 3 6 REVISION F DECEMBER 2009 1 Changed shimming drawing Page 1 3 2 Updated drip piping pitch Page 3 1 3 Added page division lines for thermometer Page 4 3 4 Added cleaning stainless steel rails Page 5 2 3 Added heater front and rear drawing Page 6 3 6 Updated warnings and cautions throughout 7 Added new back cover HUSSMANN CORPORATION BRIDGETON MO 63044 2483 U S A REVISION E JANUARY 2009 1 Added page division lines for thermometer Page 4 3 2 Added heater front and rear drawing Page 6 3 3 Changed shimming drawing Page 1 3 REVISION D SEPTEMBER 2007 1 Added front panel text and illustration P
4. BRIDGETON MO 63044 2483 U S A Reach In 2 6 P N0387183 Q REFRIGERATION ELECTRICAL DEFROST TERMINATION THERMOSTAT The standard disc type defrost termination thermo stat is not adjustable On low temperature merchandisers the defrost termi nation thermostat or optional termination sensor 1s located on the right end of the coil at the bottom cen ter return bend If an optional adjustable thermostat is used the bulb will be clamped to the suction line SS x on the left end of the merchandiser U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e WWW HUSSMANN COM P N 0387183 Q 2 7 TTT ELECTRIC ELECTRIC DEFROST ONLY Defrost Termination Thermostat Location HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Reach In 2 8 REFRIGERATION ELECTRICAL CONTROL SETTINGS MEDIUM TEMPERATURE Conventional Single Compressor Measure Discharge Air Temperature at the center of the case at the discharge honeycomb Merchandiser temperature must be controlled by a thermostat or other device with a 3 6 deg F 1 7 3 3 deg C differential It will be wired to control the compressor motor contactor Standard Off Time defrost is time terminated On out door units the defrost timer will control a liquid line solenoid beginning a defrost pumpdown 4 minutes before defrost The defrost frequency and lengths listed may require adjustment for specific
5. Z z L Alignment P in Alignment P in Figure 7C Joining Sequence for RLNI Cases HUSSMANN CORPORATION lt BRIDGETON MO 63044 2483 U S A Reach In 1 22 INSTALLATION Figure 8 Installing J Molding Side View Splashguard Splice Connector Figure 9 Installing Splashguard Splice Connector U Align holes in frame with holes in Joint Molding 6 Fasten cases together using Binder Post and Screws 7 as shown in Figure 8 1 On to Section of the Reach In Installation and Service Manual to install splash guard brackets and bumpers Section 3 provides direction for installing splashguards including splashguard splice Connector 8 shown in Figure 9 Note that RLT cases have steel splashguards that do not use a splice connector P N 0387183_Q U S amp Canada 1 800 922 1919 lt Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 0 INSTALLING SPLASHGUARD BRACKETS 1 Attach splashguard retainer and splashguard retainer support to splashguard support bracket using two screws per bracket Splashguard Retainer Support SN Support Bracket Splashguard Retainer 2 INSTALL SPLASHGUARD SUPPORT BRACKETS BEFORE PIPING CASE The leveling brackets have a maximum extension of one 1 inch 25 mm for uneven floors 3umper Retainer DO NOT PLACE SHIMS UNDER SPLASHGUARD BRACKETS HUSSMANN CORPORATION lt BRIDGETON MO 63044 2483 U S A 1 23
6. gasket Figure 5B Apply Gaskets to Right End of RLNI P N 0387183 Q U S amp Canada 1 800 922 1919 lt Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 O 1 17 RLT Left End Case 1 Donut Right End Case E a LLL Figure 5C Part 1 Apply Gasket to Left End of RLT HUSSMANN CORPORATION lt BRIDGETON MO 63044 2483 U S A Reach In 1 18 INSTALLATION Move the second merchandiser 6 against first mating alignment pins with corresponding holes Use care when pushing the cases together RL RM RLN RMN RLNI Do not to cut wires routed along the front bumper retainer See detail in Figure 6 wann 1 Donut CA 2 1inx in ENSE 3 inx in RLT assembly Pad Shoe Sealer Apply Pad Shoe Sealer Use all three gaskets When applying an end Z O Dm The RLT has no alignment pin and the wireway is at the top front Right End Case L Figure 5C Part 2 Apply Gasket to Right End of RLT P N 0387183 Q U S amp Canada 1 800 922 1919 lt Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 0 1 19 RLN or RMN Do not cut wires in bumper retainer Figure 6 Move Cases Together HUSSMANN CORPORATION lt BRIDGETON M
7. reassembling Be careful not to damage the honeycombs l Remove the sheet metal screws located in the front metal retainer which holds the honeycomb assem bly in place Lift the honeycomb assembly out of the L bracket to remove it Clean and dry the honeycomb After cleaning reassemble in reverse order of removal x x NNNM x XXXRWXXXXXX XXXXXXXXXXX XXXX Se 532352 Interior Top Panel o o 9o o 0 9o0g 90 eee 8 Sey ow D 9o 8 a glo o o HI o Soo Tiga ll Cos ww Ayp 3 3 Soo Cola Fog 2 9ugw DO ps Digg 8 o hl oo Do og 90 Foo Bu Cos 200 oo oo Moj tog So Bo o 8 o 9 9 ll o 9o SIDE VIEW Honeycomb l Retainer Boog gt te ores o o v E En So o EI 9o Coo BI So 5 oa fi os Do Soy os 0 6 o 905 o EBR o U S amp Canada 1 800 922 1919 Mexico 1 800 890 2900 e WWW HUSSMANN COM P N 0387183 Q CLEANING STAINLESS STEEL SURFACES Use non abrasive cleaning materials and always polish with grain of the steel Use warm water or add a mild detergent to the water and apply with a cloth Always wipe rails dry after wetting Use alkaline chlorinated or non chlorine containing cleaners such as window cleaners and mild detergents Do not use cleaners containing salts as this may cause pitting and rusting of the stainless steel finish Do not use bleach Clean frequently to avoid build up of hard stubborn stains A stain
8. stay in compliance with California State law It is your responsibility to provide accurate Proposition 65 warning labels to your customers when necessary For more information on Proposition 65 please visit the California State government website MERCHANDISERS SHIPPED WITH END INSTALLED If the case was shipped with the end installed two long bolts were used to hold the shipping brace to the end If the shipping bolts are reinserted after remov ing the brace they will extend into the product area and may damage the coil THEREFORE BE SURE TO REPLACE THESE BOLTS WITH THE SHORTER BOLTS PROVIDED Be careful not to damage the factory installed end while moving the merchandiser Make sure that tools are positioned past the end and beneath the merchan diser s support bar SHIPPING BRACES Move the merchandiser as close as possible to its per manent location and then remove all packaging Check for damage before discarding packaging Remove all separately packed accessories such as kits and shelves Locate the shipping block in the center of the heat exchanger see illustration and remove it before piping the merchandiser This block was installed to minimize shipping vibration Am Heat Exchanger Shipping i P N 0387183 Q Top View of Merchandiser U S amp Canada 1 800 922 1919 lt Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 0 1 3 MOVING MERCHANDISER THROUGH NARROW STORE EN
9. store conditions Factors include Store temperature and humidity 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 out door condensing units where ambient does not fall below 0 deg F P N 0387183 Q CONTROL SETTINGS LOW TEMPERATURE Conventional Single Compressor Measure Discharge Air Temperature at the center of the case at the discharge honeycomb Merchandiser temperature must be controlled by a thermostat or other device with a 3 6 deg F 1 7 3 3 deg C differential It will be wired to control the compressor motor contactor Standard Electric defrost 1s temperature terminated The defrost termination thermostats for all the merchandisers on one com pressor are wired in series Failsafe must not control defrost cycle length especially when less than 208V power supply 15 used for defrost heaters or if frost build up is heavy from shopping demands On outdoor units the defrost timer will control a liquid line solenoid beginning a defrost pumpdown 4 minutes before defrost Optional Gas defrost 15 time terminated and has fan cycling thermostat The defrost frequency and lengths listed may require adjustment for specific store conditions Factors include Store temperature and humidity Low head pressure Long refrigerant line runs Seasonal changes Mer
10. 919 Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 Q 6 5 REPLACING Drain Pan Heater Electric and Gas Defrost Low Temperature Only N W A R N N G The drain pan heater is located as shown below Always disconnect the electrical power at the main disconnect when servicing or Remove Drain Pan Heater replacing any electrical component This includes but is not limited to such items as fans heaters thermostats and lights 1 Disconnect power 2 Pull heater out from under jiffy clips 3 Position new heater under jiffy clips Be sure offset is properly positioned around the drain If jiffy clips are removed make certain sealer is replaced 4 Reconnect power 5 Verify that heater is working correctly Detail Jiffy Clip Side View Screw Sealer Drain Heater Offset x y Jiffy Clip P e NI Heater HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Reach In SERVICE SERVICING VERTICAL LIGHTING Refer to door manufacturer s manual for servicing of vertical lamps SERVICING DOORS AND FRAMES See door manufacturer s service manual for servicing information One manual is shipped with each merchandiser Hussmann s Innovator Door manual P N 0425683 can be found on the website WWW HUSSMANN COM REPLACING DOOR OR DOOR FRAME PARTS Parts for Reach in doors and door frame assemblies must be ordered direct from the door manufacturer This includ
11. ER SEALS IN SERIES WILL CAUSE AN AIR LOCK AND PREVENT DRAINING e Pitch the drip piping in the direction of flow There should be a minimum pitch of 1 4 in per ft 20 mm per m e Avoid long runs of drip piping Long runs make it impossible to provide the pitch necessary for good drainage HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A CAUTION Splashguard brackets MUST be installed before piping merchandiser See Page 1 3 Provide a suitable air break lt between flood rim of the floor drain and outlet of drip pipe To meet code on low base merchan disers it may be necessary to JO 4 Pd install a field supplied drip pipe Pd 1 reducer An alternative is to cut the last section of drip pipe at l CET NU eS an angle I I Prevent drip pipes from freezing sweating or freezing A Do NOT install drip pipes in contact with uninsulated suction lines Suction lines should be insulated with a non absorbent insulation materi al B Where drip pipes are located in dead air spac es such as between merchandisers or between a merchandiser and a store wall provide means to prevent drip pipe from sweating External ventilation fans may be required to pre vent sweating Reach In 3 2 DRIP PiPING AND SPLASHGUARDS Field Installed Merchandiser Waste Outlet Drip Piping Bottom Drain Fitting lt 4 Factory Installed four turns _ i ad P E UM n Id Installed Field In
12. HONEYCOMB A CAUTION Do not store items or flammable materials atop the unit Do not walk on case Reach In 4 2 START UP OPERATION COIL COIL COIL ah 4 FAN FAN INSTALLING FDA NSF REOUIRED THERMOMETER The following pages provide the same infor mation that ships with the thermometer This reguirement 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 P N 0387183 0 U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e WWW HUSSMANN COM P N 0387183 Q This is an NSF 7 amp US FDA Food Code Required Thermometer Thermometer Hussmann Part TM 4911251 Hussmann Corporation e 12999 St Charles Rock Road e Bridgeton MO 63044 2483 U S amp Canada 1 800 922 1919 lt Mexico 1 800 522 1900 lt www hussmann com 2007 Hussmann Corporation 4 3 Suggested Mounting Locations in Single Deck Glass Front Impact Merchandisers Acrylic Package Guard Facing Out Double Stick Tape Flexible Plastic Fits in Price Tag Moldings Hussmann P N 0429971 C 10 2007 HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Inside End Panel Shelf Price Tag Molding Return Air Grille Suggested Mounting Locations in Multi deck Merchandisers Reach In 4 4 START UP OPERATION Important Please read
13. HUSSMANN NSE Reach in Merchandisers Medium and Low Temperature 2 c v f Pi E p ER E RES a p Installation amp Operation Manual Shipped With Case Data Sheets P N 0387183_Q May 2015 IMPORTANT Keep in store for future reference English P N 0387183 Spanish P N 0517045 MANUAL I O REACH IN French P N 0527085 P N 0387183 Q Table of Contents INSTALLATION START UP OPERATION NSF Certification 1 T vam USE A ERIS 4 ROA OM NT l 1 Stocking sss eee 4 1 Shipping Damage sss eee eee Ted Load EUIS T 4 1 Exterior Loading sss l 2 Load Limit Profiles 4 1 Merchandisers Shipped With End Installed 1 2 Installing FDA NSF Required Thermometer 4 2 Shipping Braces sese 1 2 Moving Through Narrow Entrances 1 3 MAINTENANCE IES IB economie tensa O an 1 6 Care and Cleaning 5 1 br 1 8 Cleaning Honeycomb Assemblies 5 2 Splashguards 1 23 Cleaning Under Merchandisers 5 2 Installing Bumpers sss esse eee 1 24 Removing Scratches from Bumper 5 2 REFRIGERATION ELECTRICAL SERVICE Refrigerant ERRARE RS 2 1 Replacing Fan Motors and Blades 6 1 Refrigerant PIPINE ER RE VEN 2 1 Replacing Electric Defrost Heaters 6 3 Insulation sese 2 2 Replac
14. N T N T T N T a za T ai E uA aue Pa Le Ee Ee pe hue ui Fr eu Ae V EU A e PF RA P N 0387183 Q U S amp Canada 1 800 922 1919 Mexico 1 800 890 2900 lt WWW HUSSMANN COM
15. O 63044 2483 U S A Reach In 1 20 INSTALLATION RL RM RMF RLN RMN Figure 7A Joining Sequence for RL RM RMF RLN and RMN Cases HLT Figure 7B Joining Sequence for RLT Cases P N 0387183 Q U S amp Canada 1 800 922 1919 lt M Loosely insert Cap Screw 5 with Lock Washer 6 into each nut retainer follow ing the sequence shown in Figures 7A and 7B Do not tighten fully A Fasten bottom fronts together but tight en only until front panels touch B Move to the bottom back position and join 2 places C Join at the top front position D Go to the middle back wall position and join E Join at the lower back wall F Finally join at the top back wall posi tion Following the same sequence tighten each cap screw fully until the merchandisers are joined with a snug fit and gaskets are compressed When joining two RLNIE models nut retainers and alignment pins are used on one case only Refer to Section 1 of the Reach In Installation and Service Manual to install splashguard brackets and bum pers Section 3 provides direction for installing splashguards including splash guard oplice Connector 8 shown in Figure 9 Note that RLT cases have steel splash guards that do not use a splice connector P N 0387183 0 1 21 RLNI RLNI B d E E A E N U
16. RANT PIPING Standard Connection Location The refrigerant line connections are at the right hand end of merchandiser end opposite the main serial plate beneath the display pans A sticker marks the location of the connection The installer must saw a hole to exit the cases A refrigeration shroud ships with each case Before making connections place the refrigeration shroud over refrigeration piping so that when the shroud is rotated into place it will be in the upright position The Figure 2 1 shows the correct orientation Figure 2 1 Place shroud over refrigerant piping Be careful not to burn scorch or overheat the shroud when making connections Once connections have been made apply silicone sealant to the bottom of the shroud as shown in Figure 2 2 Figure 2 2 Complete piping connections Reach In 2 2 REFRIGERATION ELECTRICAL As shown in Figure 2 3 rotate and center the shroud over the refrigeration outlet foam pad Figure 2 3 Center shroud over refrigeration outlet foam pad and fasten to interior liner Seal this outlet thoroughly Seal both the inside and the outside We recommend using an expanding poly urethane foam insulation Cover foam with silicone to prevent water from entering foam Optional Internal Top Piping Connections A shroud should be used to seal ouside pipe pene trations at the top of the merchandiser Position the shroud over the case piping before making the
17. TRANCES 2 Remove the front bumper Pull from the Some exterior merchandiser parts may be disassembled bottom and set aside for transit access through small doors or passage ways This procedure takes approximately 30 minutes to assemble and reassemble one case Contact your Hussmann representative to see if store merchandisers have this kit option The case height without these components installed on top is 82 75 in 2102 mm Case depth is 35 5 in with handles wireway pan and external frames removed Follow the steps below to decrease the 3 Remove the lower front panel to access the merchandiser profile for narrow access wireway 1 Remove the door handles Remove Screws from Door Handle Edge Fits over Wireway Retainer Slots Front Panel v IRemove Screws gt A HUSSMANN CORPORATION lt BRIDGETON MO 63044 2483 U S A Reach In 1 4 INSTALLATION 4 Remove the screws that attach the wireway pan to 7 Slide the wireway pan out and remove it from the the bottom assembly case Bumper brackets and supports are attached to wireway pan Removing the pan will remove the entire assembly 5 Detach the rubber and plastic gromets from the 8 Remove the back external braces from the rear of wireway pan the case as shown below Braces will slide straight back away from the case when nuts and screws are removed 6 nuts and bottom screw per external brace 6 Remove the screws that attach the gr
18. a La Se e SS a a a DS ba ba baba SS SS e S S S NNN Pad Shoe Sealer Make sure area where raceway attaches to end frame is sealed with the wider 1 in x 1 2 in gasket Overlap Gasket Figure 5A Part 2 Apply Gaskets to Right End of RL RM RMF and RLN RMN P N 0387183 Q U S amp Canada 1 800 922 1919 lt Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 0 1 15 RLNI Left End Case 1 Donut T Gaskets Must Be Applied As Shown Es Voy Figure 5A Apply Gaskets to Left End of RLNI HUSSMANN CORPORATION lt BRIDGETON MO 63044 2483 U S A Reach In 1 16 INSTALLATION RLNI Right End Case 1 Donut TR Gaskets p Ea Must Be WSL 2 1 n x Van Applied As Shown mm 3 1 2 in x 1 4 NUM A ia lang E TTT c cM SSS ATT m Oo F e E H K H T T RA RAR RRA RA RAR A RARE RAR AAA AAR ee tl IT M z s LJ LJ EP RE Ss Pad Shoe Ci S Sealer Make sure area where raceway attaches to end frame is covered with wider 1 in x 1 2 in
19. ach In 5 4 MAINTENANCE NOTES P N 0387183 Q U S amp Canada 1 800 922 1919 Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 Q 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 For access to RL RM RLN RMN RLNI RLNIE fans 1 Turn off power 2 Remove bottom display pans 3 Disconnect fan from wiring harness 4 Remove fan blade 5 Remove screws holding fan motor bracket assem bly to plenum and remove assembly 6 Replace fan motor bracket assembly and reinstall screws 7 Reinstall fan blade 8 Reconnect fan to wiring harness 9 Turn on power 10 Verify that motor is working and blade is turning in the correct direction 11 Close large air gaps under fan plenum Warmer air moving into refrigerated air reduces effective cooling If the plenum does not rest against the case bottom without gaps apply foam tape to the bottom of the fan plenum to reduce improper air movement however defrost water should not be blocked by fan plenum Do NOT seal fan plenum so that water can not drain 12 Replace display pans Bring merchandiser to Operating temperature before restocking N WARNING Always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component This in
20. age 1 2 2 Clarified shimming directions Page 1 3 3 Added RLT information throughout 4 Added note to remove bumper protective film Page 1 6 5 Added information on Always Clear glass page 5 1 6 Removed reference to Anthony doors Page 6 5 Added repairing aluminum coil Page 6 12 Changed warranty page Added Installation Tool List Page iv 10 Added revision history Page iv so per c REVISION C JUNE 2002 1 Added NSF information Pages 1 1 4 2 through 4 4 2 Sections 2 through 6 are completely rewritten 3 Changed warranty to March 15 2002 Reach In P N 0387183 0 INSTALLATION NSF CERTIFICATION These merchandisers are manufactured to meet ANSI National Sanitation Foundation NSF Standard 7 requirements Proper installation is required to maintain certification Near the serial plate each case carries a label identifying the type of application for which the case was certified ANSI NSF 7 Type I Display Refrigerator Freezer Intended for 75 F 55 RH Ambient Application ANSI NSF 7 Type II Display Refrigerator Freezer Intended for 80 F 55 RH Ambient Application ANSI NSF 7 Display Refrigerator Intended for Bulk Produce LOCATION These merchandisers are designed for displaying prod ucts in air conditioned stores where temperature is maintained at or below the ANSI NSF 7 specified level and relative humidity is maintained at or below 55 Placing refrigerated merchand
21. and end of the merchandiser Its sure the evaporator is either clear or only lightly cov sensing bulb is located behind the right end interior ered with frost and that the merchandiser is within back panel 10 deg F 6 5 deg C of its expected operating tempera ture Adjust valves as follows Attach two sensing probes either thermocouple or thermistor to the evaporator lt Position one under the clamp holding the expansion valve bulb securely tape the other to the coil inlet line Mi V VV U uL HA V UT W L R 12 j i D W NW M Some hunting of the expansion valve is normal The valve should be adjusted so that during the hunting THE GREATEST DIFFER ENCE BETWEEN THE TWO PROBES IS e EZ U m 8 4 NEY Optional Heat 3 5 deg F 1 7 2 8 deg C With Gas Bypass Exchanger this adjustment during a portion body Expansion of the hunting the temperature Value difference between the probes will be less than 3 deg F 1 7 deg C and at times 0 Expansion Valve Bulb Make adjustments of no more than 1 4 turn for Balanced Port TEV and 1 2 turn at a time for other valve Component Location in RL RM RLN RLNI Models models Wait at least 15 minutes before rechecking the probe tempera ture or making further adjustments Manifold Thermostat Component Location in RLT Models HUSSMANN CORPORATION e
22. andisers are on the same defrost circuit the defrost termination thermostats are wired in series ALWAYS CHECK THE SERIAL PLATE FOR COMPONENT AMPERES Electric Defrost is standard for low temperature merchandisers and requires temperature termination Gas defrost is optional Off Time Defrost is standard for medium temperature merchandisers and is time terminated REFRIGERATION ELECTRICAL When two or more merchandisers with full length wireways are installed in line remove the splashguards end caps and wireway covers and install the nipple and nuts supplied providing electrical passage from one merchandiser to the next Following NEC and local codes is the responsibility of the electrical contractor ELECTRICAL CONNECTIONS All wiring must be in compliance with NEC and local codes All electrical connections are to be made to the terminal blocks in the electrical wireway behind the lower front panel at the right hand end of the mer chandiser facing front IDENTIFICATION OF WIRING Leads for all electrical circuits are identified by colored plastic bands These bands correspond to the color code sticker shown below located inside the merchandiser wireway A WARNING Terminal block NOT for case to case wire connection WIRING COLOR CODE Leads for all electrical circuits are identified by a colored plastic band neutral wire for each circuit has either White insulation or a White plastic sleeve in addition to
23. chandiser temperature lower than recommended Defrost after store closes when practical Low pressure control settings are applicable to out door condensing units where ambient does not fall below 0 deg F U S amp Canada 1 800 922 1919 Mexico 1 800 890 2900 e WWW HUSSMANN COM P N 0387183 Q CONTROL SETTINGS MEDIUM TEMPERATURE Parallel Compressor Rack Measure Discharge Air Temperature at the center of the case at the discharge honeycomb Merchandiser temperature must be controlled by a mechanical or electronic pressure regulator or thermostat that will be mounted on the rack Standard Off Time defrost is time terminated The defrost frequency and lengths listed may require adjustment for specific store conditions Factors include Store temperature and humidity Low head pressure Long refrigerant line runs Seasonal changes Merchandiser temperature lower than recommended Stagger defrosts to maintain stable compressor load ing and sufficient defrost gas When practical defrost when store is closed HUSSMANN CORPORATION e 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 Merchandiser temperature must be controlled by a mechanical or electronic pressure regulator or thermostat that will be mounted on the rack Standard Electric defrost is temperature terminated Failsaf
24. cludes but is not limited to such items as fans heaters thermostats and lights Fan Assembly Speed Nut Fan Blade Airflow Direction Bracket Motor Plenum Hussmann recommends against frame heater cycling with Innovator doors to prevent door seals from freezing to the frames and tearing HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Reach In 6 2 SERVICE RLT ONLY For access to these fans cn P N 0387183_Q Turn off power Remove bottom display pans Disconnect fan from wiring harness Remove fan blade Lift fan plenum and remove screws holding bot tom of motor to fan basket Replace fan motor and blade Lower fan plenum Reconnect fan to wiring harness Turn on power Verify that motor is working and blade is turning in the correct direction Close large air gaps under fan plenum Warmer air moving into refrigerated air reduces effective cooling If the plenum does not rest against the case bottom without gaps apply foam tape to the bottom of the fan plenum to reduce improper air movement however defrost water should not be blocked by fan plenum Do NOT seal fan plenum so that water can not drain Replace display pans Bring merchandiser to operating temperature before restocking N WARNING Product will be degraded and may spoil if allowed to sit in a non refrigerated area Motor 44 Lock Nu
25. d technique 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 Box 2102 Irving TX 75062 Phone 1 800 527 9916 NOTE Hussmann Aluminum melts at1125 F 607 C Aladdin 3 in 1 rod at 732 F 389 C X Ergon Acid core at 455 F 235 C 6 7 Technique 1 Locate Leak 2 REMOVE ALL PRESSURE 3 Brush area UNDER HEAT 4 Use PRESTOLITE TORCH ONLY Number 6 tip 5 Maintain separate set of stainless steel brushes and USE ONLY ON ALUMINUM 6 Tin surface around area 7 Brush tinned surface UNDER HEAT thoroughly filling the open pores around leak 8 Repair leak Let aluminum melt solder NOT the torch 9 Don t repair for looks Go for thickness 10 Perform a leak check 11 Wash with water 12 Cover with a good flexible sealant HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Reach In E C L OG Me to Q G Z A VR KA HUSSMANN Q ADU C OG we G To obtain warranty information GO C or other support contact your Ia K Se i A LC Hussmann representative QU x y Please include the model and GO xs serial number of the product v AA p P G Q OG Me 6 3 6 GO L LC 6 N OG e N G GO OG we A 2 K GO OG we G Q R L C Z AR G Hussmann Corporation Corporate Headquarters Bridgeton Missouri U S A 63044 2483 01 October 2012 69 Pag SA E LT N T T N T T
26. doors according to manufacturer s instructions shipped with each product Factory settings may be lost due to vibration during shipment JOINING Sectional construction means that two or more mer chandisers may be joined in line yielding one long continuous display requiring only one pair of ends Joining kits and instructions are shipped with each merchandiser To join like fixtures a joining kit is required To join unlike fixtures or like fixtures operating at dif ferent temperatures a 2 inch 51 mm partition kit is required To join same temperature merchandisers on different defrost cycles a plexiglass partition kit is required ALL JOINTS MUST BE AIR TIGHT TO PREVENT FORMA TION OF ICE OR CONDENSATION Refer to the instructions on the next page HUSSMANN CORPORATION lt BRIDGETON MO 63044 2483 U S A Reach In 1 8 INSTALLATION RL RM RMF RLT RLN RMN RLNI RLNIE Joining Instructions Joining Instructions Splashguard brackets must be installed before piping or PARTS LIST wiring case Item Quantity Description RL RM RLN RLNI RM RMF RMN RLNIE RLT 1 2 2 4 2 Donut Gasket 2 1 1 2 2 Gasket 1 x 1 2 x 180 in 3 1 1 2 1 Gasket 1 2 x 1 4 x 180 in 4 8 8 14 6 Cap Screw 9 16 18 x 11 4 5 8 8 14 6 Split Lock Washers 2 6 6 1 1 2 1 Joint Molding f 5 5 10 5 Binder Post and Screw 8 1 1 2 1 Splice Connector NOTE Be sure first merchandiser has been leveled according to the main installat
27. e must not control defrost cycle length especially when less than 208V power supply is used for defrost heaters or if frost build up 1s heavy from shopping demands Optional Gas defrost 1s time terminated and has fan cycling thermostat The defrost frequency and lengths listed may require adjustment for specific store conditions Factors include Store temperature and humidity Low head pressure Long refrigerant line runs Seasonal changes Merchandiser temperature lower than recommended Stagger defrosts to maintain stable compressor load ing and sufficient defrost gas When practical defrost when store 1s closed Reach In 2 10 MERCHANDISER ELECTRICAL DATA Merchandiser data sheets for specific models are shipped with this manual The data sheets provide merchandiser electrical data standard electrical schematics parts lists and performance data Refer to the merchandiser data sheets and merchandiser serial plate for electrical information Refer to the separate wiring diagrams shipped with the case for specific information about the merchandiser and any optional wiring kits that may have been applied FIELD WIRING Field wiring must be sized for component amperes stamped on the serial plate Actual ampere draw may be less than specified Field wiring from the refrigeration control panel to the merchandisers is required for defrost termination thermostats and for optional refrigeration thermostats When multiple merch
28. es the glass doors door frame assemblies lamps ballasts door handles hold open slides and power cords Refer to specific warranty supplied with the door The manufacturers have a warranty against moisture penetration a warranty against tempered glass break age and a warranty on ballasts Lamps are not covered by Hussmann or the door manufacturer P N 0387183 Q REPLACING DAMAGED DRAIN FITTING The following procedure is for the field repair ofa broken drain fitting 1 Use a drill with a 1 8 inch 48 mm hole saw to drill out the bottom of the drain fitting Be sure to drill completely through fitting and bottom liner Drain Fitting Viewed from Inside Case 2 Insert adapter into drain fitting Do NOT use thread sealer on ABS drain fitting If sealer is used the ABS drain fitting may crack or leak Tee should be tightened no more than 4 turns Do not overtighten threads Foam Bottom Assembly Modified Drain Fitting PVC Adapter 1 x1 iB 38 x 32 mm obtained at local building supply store N 1 1 4 in TXSxS 32 mm Do NOT use Thread Sealer on Drain Fitting End Section View U S amp Canada 1 800 922 1919 Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 Q REPAIRING ALUMINUM COIL The aluminum coils used in Hussmann merchandisers may be easily repaired in the field Materials are available from local refrigeration wholesalers Hussmann recommends the following sol ders an
29. final connection Once all connections are made and insulation has been applied to the piping run a bead of sealant around the bottom of the shroud Put the shroud into position and attach with six screws In the event the shroud was not placed over the pip ing prior to final connection the shroud can be cut carefully and then installed with adhesive holding the shroud in place on top of the merchandiser P N 0387183 Q After connections have been made seal this outlet thoroughly Seal both the inside and the outside We recommend using an expanding polyure thane foam insulation Cover foam with silicone to ensure seal around insulation and to prevent deterio ration of foam Apply Sealant First Cover Foam with Silicone When Dry Plastic Shroud U S amp Canada 1 800 922 1919 Mexico 1 800 890 2900 e WWW HUSSMANN COM P N 0387183 Q Multiplexing Piping of merchandisers operating on the same refrigeration system may be run from merchandiser to merchandiser through the end frame saddles provided for this purpose Do NOT RUN REFRIGERANT LINES THROUGH MERCHANDISERS THAT ARE NOT ON THE SAME REFRIGERATION SYSTEM as this may result in poor refrigeration control and compressor failure NOTE If Gas defrost is used the liquid line will need to be increased two sizes larger inside the mer chandiser area This is necessary to ensure even liquid drainage from all evaporators during defrost Line Sizing Ref
30. ght end frame as shown in Figure SC Part 1 and right end frames as shown in 5A Part 2 5B or 5C Part 2 Figure 5A Part 2 5B or 5C Part 2 RL RM RMF Left End Case and RLN RMN 1 Donut Z O J m Right End Case S Left End Case Figure 5A Part 1 Apply Gasket to Left End of RL RM RMF and RLN RMN HUSSMANN CORPORATION lt BRIDGETON MO 63044 2483 U S A Reach In 1 14 INSTALLATION Apply Pad Shoe Sealer first Lap gaskets at lower joints then apply the narrower Foam corners e Remove paper backing after Tape Gasket 3 around e Check that there are no gasket is applied to keep gasket the perimeter of the right end gaps between gasket and case free of debris frame outside of the donut Do not stretch gasket Gasket has high tack gasket as shown in Figure 5A especially around corners adhesive and must be properly Part 2 5B or 5C Part 2 To make sharp corners paper placed the first time backing can be torn without removing from gasket e Do not butt gaskets always lap m 1 Donut 2 1inx in RL RM Right End Case EN 3 inx in RMF ST Use all three gaskets and iii When applying an end RLN RMN assembly NOTES 1 The perimeter gasket ITEM 3 is required by NSF 2 Butyl is NOT an acceptable substitute for donut or foam gasket en NI ALL MODELS Apply gasket between HoH Z O J m D p
31. inage Merchandiser Bottom 2 2 1 F 1 4in perftdrop 1 Floor 3 RL RLN Single Line Up 4 merchandisers shown Merchandiser Bottom Floor RLNI Cross Drip Piping 4 merchandisers shown 20071 2 0 1 Water Seal 2 Clean Out Plug P N 0387183 Q 3 1 4 in per ft drop 3 Hub Drain U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 O 3 9 INSTALLING SPLASHGUARDS The splashguard is shipped inside each merchan diser AFTER merchandisers have been leveled and joined and all drip piping electrical and refriger ation work has been completed re install the front color panel then install the splashguards First position top of splashguard over the top edge of the bracket second push the lower edge of the splashguard toward the bottom of the bracket until it Retaining Bracket Splashguard Joint snaps into place Splashguards are joined with a galvanized metal splice connector that comes with the joint kit Join the splashguards before installing on case Splashguard Side Detail Splice Connector HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Reach In 3 6 DRIP PiPING AND SPLASHGUARDS SEALING SPLASHGUARD TO FLOOR Ir REQUIRED by local sanitation codes or if desired by the customer plastic splashguards may be sealed to the floor using silicone type sealer The amo
32. ing Drain Pan Heater 6 5 Branch Line vT 2 3 RLT with Gas Defrost Only Replacing Expansion Valve Adjustment 2 4 Slave Plate Heater 6 6 Refrigeration Thermostat 2 4 Servicing Vertical Lighting 6 7 Defrost Termination Thermostat 2 5 Servicing Doors and Frames 6 7 Control SENO sse der eee otn 2 1 Replacing Door or Door Frame Parts 6 7 Merchandiser Electrical Data 2 9 Replacing Damaged Drain Fitting 6 7 Field Winni o eese ER RE MAVRI 2 9 Repairing Aluminum Coils 6 8 Electrical Connections 2 0 Identification of Wiring 2 9 WARRANTY Wiring Color Code 2 10 DRIP PIPING AND SPLASHGUARDS Waste Outlet and Water Seal 3 Installing Drip Piping 3 1 Drip Piping Lineup Arrangements 3 4 Installing Splashguards 3 5 Sealing Splashguard to Floor 3 5 IMPORTANT KEEP IN STORE FOR FUTURE REFERENCE Quality that sets industry standards This merchandiser is NSF certified 12999 St Charles Rock Road Bridget
33. ion instruction Carefully unpack and inspect the joining parts listed gt above to verify completeness and that there is no e gt damage AN L Prepare cases for joining both sides of islands as shown in Figure 1 A Removebumpers rails packing materials a Em p r Bum per ed du uu Bum per Retaner and splashguards from the both cases Bumper Retaner RLT Sphshguaxi Sphshguaxd B Remove shelves if installed C Remove display racks and pans from ends to be Joined D Remove rear shelf supports Figure 1 Prepare Cases e P N 0387183 Q U S amp Canada 1 800 922 1919 lt Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 O 1 9 RL RM RMF RLN RMN and RLNI E Remove back panels from ends to be joined by lifting up and out near the bottom No tools are necessary The RLT models have upper and lower back panels that must be removed ag F Remove joint molding from any door WS frames that will be joined to another case Ali nment Pin G RLNI Only Remove screws and inte rior top panel on both sides of the island case end to be joined see Figure 1 RLNI Only HUSSMANN CORPORATION lt BRIDGETON MO 63044 2483 U S A Reach In Shipping Block Figure 2 Remove Shipping Block One From Each Side of Island Models Locate and remo
34. isers in direct sunlight near hot tables or near other heat sources could impair their efficiency Like other merchandisers these are sensitive to air dis turbances Air currents passing around merchandisers will seriously impair their operation Do NOT allow air conditioning electric fans open doors or windows etc to create air currents around the merchandisers To prevent sweating on the exterior surfaces of merchandisers there must be A MINIMUM CLEAR ANCE OF 4 INCHES 102 MM between the merchan disers and other fixtures or walls HUSSMANN CORPORATION lt BRIDGETON MO 63044 2483 U S A Product should always be maintained at proper tem perature 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 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 Apparent Loss or Damage If there is an obvious loss or damage it must be noted on the freight bill or express receipt and signed by the carrier s agent otherwise carrier may refuse claim The carrier will supply necessary forms Concealed Loss or Damage When loss or damage is not appare
35. less steel cleaning solution may be used periodically to minimize scratching and remove stains Rinse and wipe dry immediately after cleaning Never use hydrochloric acid muratic acid on stainless steel CLEANING COILS NEVER USE SHARP OBJECTS AROUND COILS Use a soft brush or vacuum brush to clean debris from coils Do not puncture coils Do not bend fins Contact an authorized service tech nician if a coil is punctured cracked or otherwise damaged Do NOT use chlorine or ammonia based cleaners to clean aluminum coils ICE in or on the coil indicates the refrigeration and defrost cycle is not operating properly Contact an authorized service technician to determine the cause of icing and to make adjustments as necessary To main tain product integrity move all product to a cooler until the unit has returned to normal operating temperatures HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Do NOT allow cleaning agent or cloth to contact food product CLEANING UNDER MERCHANDISERS Remove splashguards not sealed to floor Use a vacu um with a long wand attachment to remove accumu lated dust and debris from under the merchandiser REMOVING SCRATCHES FROM BUMPER Most scratches and dings can be removed using the following procedure 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 Re
36. low evaporator connection size Suction returns from evaporators enter at the top of the branch line s Suction Line Return Pan Loop 76 mm Liquid Line Take Off Liquid Line Off time and Electric Defrost May be reduced by one size after one half the case load run Do not reduce below evaporator connection size Take ofis to evaporators exit the bottom of the lig uid line Provide an expansion loop for each evapo rator take off minimum 3 in 76 mm diameter Liquid Line Koolgas Defrost Maximum of 6 evaporators per Branch System ncrease the liquid line size inside the case by two sizes over the branch size Branch Size In Case Size Ln 7 8 5 8 1 1 8 7 8 1 3 8 1 1 8 1 2 8 1 3 8 2 1y8 Take ofis to evaporators exit the bottom of the lig uid line Provide an expansion loop for each evapo rator take off minimum 3 in 76 mm diameter Koolgas Defrost Liquid Line Two Sizes Larger in Merchandiser From Liquid Manifold Re mm EKI To P N 0387183 0 Suction Manifold U S amp Canada 1 800 922 1919 Mexico 1 800 890 2900 e WWW HUSSMANN COM P N 0387183 Q 2 5 EXPANSION VALVE ADJUSTMENT REFRIGERATION THERMOSTAT Expansion valves must be adjusted to fully feed the The thermostat body is located in the electrical race evaporator Before attempting to adjust valves make way near the right h
37. nt until after equipment is uncrated a claim for concealed damage is made Upon discovering damage make request in writing to carrier for inspection within 15 days and retain all packing The carrier will supply inspection report and required claim forms AA CAUTION Do not store items or flammable materials atop the unit Do not walk on case Reach In 1 2 INSTALLATION EXTERIOR LOADING Do NOT walk on top of merchandisers or damage to the merchandisers and serious personal injury could occur THEY ARE NOT STRUCTURALLY DESIGNED TO SUPPORT EXCESSIVE EXTERNAL LOADING such as the weight of a person Do not store items or flammable materials atop the unit For California Businesses A WARNING This product may contain chemicals known to the State of California to cause cancer birth defects or other reproductive harm This warning 1s the result of the California State law known as the California Safe Drinking Water and Toxic Enforcement Act of 1986 which 1s commonly referred to as Proposition 65 This warning does not mean that Hussmann prod ucts will cause cancer or reproductive harm or 15 in violation of any product safety standards or require ments As clarified by the California State government Proposition 65 can be considered more of a right to know law than a pure product safety law When used as designed Hussmann believes that our products are not harmful We provide the Proposition 65 warning to
38. nteriors washed down weekly Fan Plenum To facilitate cleaning the fan plenum is hinged and also fastened with screws at each end After cleaning be sure the plenum is properly lowered into position and that screws are reinstalled OR PRODUCT LOSS WILL RESULT due to improper refrigeration A WARNING SHUT FANS OFF DURING CLEANING PROCESS Always Clear Glass Wipe inside of glass with isopropyl alcohol and a soft cloth Allow surface to dry before closing door Use of other cleaners or abrasives may damage the Always Clear surface and or void the warranty Refer to manual that ships with doors A WARNING Do NOT use HOT water on COLD glass surfaces 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 e BRIDGETON MO 63044 2483 U S A Interior Surfaces The interior surfaces may be cleaned with most domestic detergents ammonia based cleaners and sanitizing solutions with no harm to the surface Exterior Surfaces The exterior surfaces should be cleaned with a mild detergent and warm water to protect and maintain their attractive finish NEVER USE ABRASIVE CLEANSERS OR SCOURING PADS Do Nor USE e Abrasive cleansers and scouring pads as these will mar the finish Coarse paper towels on coated glass e Ammonia based cleaners on acrylic parts Solvent oil or acidic based cleaners
39. on MO 63044 2483 U S amp Canada 1 800 922 1919 Mexico 1 800 890 2900 www hussmann com 2015 Hussmann Corporation IV 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 1 4 in Socket 5 16 in Socket 2 in Socket Battery Drill Screw Gun Caulking Gun 10 in Adjustable Crescent Wrench P N 0387183 Q ANSI Z535 5 DEFINITIONS DANGER Indicate s a hazardous A situation which if not avoided will result in death or serious injury T e CAUTION Indicate s a hazardous sit uation which 1f not avoided could result in minor or moderate injury e WARNING Indicate s a hazardous situation which if not avoided could result in death or serious injury NOTICE Not related to personal injury Indicates s situations which if not avoided could result in damage to equipment REVISION HISTORY REVISION Q MAY 2015 1 Redesigned manual to 1 2 letter size REVISION P OCTOBER 2014 1 California Warning Statement Page 1 2 changed to 2 in partition kit Page 1 7 Shim location Page 1 6 End Caps Page 1 8 Removed screws Page 2 2 Time Termination Page 2 8 2 9 No thread sealer Page 3 2 3 3 RLT load limit drawing Page 4 2 Ammonia cleaners Page 5 3 Number 11 Page 6 1 6 2 Heater drawings Page 6 4 6 5 Removed num
40. on any interior surfaces Reach In 5 2 MAINTENANCE Do Use Remove the product and all loose debris to avoid clogging the waste outlet Store product in a refrigerated area such as a freez er Remove only as much product as can be taken to the freezer in a timely manner First turn off refrigeration then disconnect electrical power Thoroughly clean all surfaces with soap and hot water DO NOT USE STEAM OR HIGH WATER PRESSURE HOSES TO WASH THE INTERIOR THESE WILL DESTROY THE MERCHANDISERS SEALING CAUSING LEAKS AND POOR PERFORMANCE Remove screws and lift hinged fan plenum for cleaning BE SURE TO REPOSITION THE FAN PLENUM AFTER CLEANING MERCHANDISER Take care to minimize direct contact between fan motors and cleaning or rinse water Rinse with hot water but do NOT flood NEVER INTRODUCE WATER FASTER THAN THE WASTE OUTLET CAN REMOVE IT After cleaning is completed turn on power and refrigerant to the merchandiser Verify that merchandiser is working properly P N 0387183 Q Allow merchandisers to dry before resuming operation A WARNING Product will be degraded and may spoil if allowed to sit in a non refrigerated area CLEANING HONEYCOMB ASSEMBLIES Honeycombs should be cleaned every six months Dirty honeycombs will cause merchandisers to perform poorly The honeycombs may be cleaned with a vacuum cleaner Soap and water may be used 1f all water 1s removed from the honeycomb cells before
41. ontally to elimi nate gaps U S amp Canada 1 800 922 1919 lt Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 Q REFRIGERATION ELECTRICAL REFRIGERANT The correct type of refrigerant will be stamped on each merchandiser s serial plate which 1s located on the left hand end of the interior top liner A WARNING Refrigeration lines are under pressure Depressurize and recover refrigerant before attempting any connection or repair Refrigerant vapor is hazardous to your health and can cause death Avoid breathing refrig erant and lubrication vapor or mist Exposure may irritate eyes nose and throat If accidental system discharge occurs ventilate work area before resuming service Always wear safety goggles and protective gloves when working with refrigerants Contact with refrigerant may cause injury Disconnect hoses with extreme caution All hoses may contain liquid refrigerant under pressure Be sure that any room where you are working is thoroughly ventilated especially if a leak is suspected Read all safety information regarding the safe handling of refrigerant and refrigerant oil including the Material Safety Data Sheet MSDS sheets can be obtained from your refrigerant supplier A CAUTION When brazing pipes be sure to use the insulation blanket shipped with the merchandiser to prevent damage to the plastic case bottom HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A REFRIGE
42. or handles HUSSMANN CORPORATION lt BRIDGETON MO 63044 2483 U S A Reach In 1 6 INSTALLATION LEVELING Merchandisers must be installed level to ensure a dis o proper operation of the refrigeration system and ENIO as to ensure proper drainage of defrost water When leveling merchandisers use a carpenter s level as Som Rear of Reach in l i Base Metal leveling shims or wedges are provided with Component each merchandiser for use if needed NOTE BEGIN LINEUP LEVELING FROM THE HIGHEST POINT OF THE STORE FLOOR Place shims under the rail and make sure that they are positioned at a base component crossbar This transfers the weight directly from the loaded f Base Component f case through to the floor Shim Here Shim Here Placing shims at other locations will cause uneven distribution of weight leading to piping leaks as well as sagging or wracked doors Shim Here 4 Door Shown O a os 1 Back ems ems odlika ory c C J 3 S 1 i k e E He C Bottom Front eme Ra d Support Li e PI rr L X L l Electrical Wireway anu I 444A P LI II III II II II II II II II II II II PI PI PI AAA P P LI LI LI o S Front P N 0387183 O U S amp Canada 1 800 922 1919 lt Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 0 1 7 DOOR ADJUSTMENT After leveling and joining the merchandisers adjust and level
43. ounding lug to the wireway pan Bottom screw is located approximate ly 10 inches inboard from the rear of the case Bottom screw location on removed rear brace P N 0387183 Q U S amp Canada 1 800 922 1919 lt Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 0 1 5 Check the following before the rear of the case is posi LEVELING tioned at its final location according to the store plan Merchandisers must be installed level to ensure proper 1 The external braces must be reinstalled operation of the refrigeration system and to ensure with 6 nuts per brace torqued to 24 foot proper drainage of defrost water When leveling mer pounds chandisers use a carpenter s level as shown Metal leveling shims or wedges are provided with each merchandiser for use if needed A CAUTION Do not walk on top of merchandiser Do not store items or flammable materials atop the unit A CAUTION Rear external frames must be FINAL LOCATION Once the case reaches its final location reassemble the reinstalled securely before setting or unloading shelves Do NOT WALK ON TOP OF THE MERCHANDISER Do NOT PLACE HEAVY OBJECTS ON CASE wireway and door handles as follows 1 Reinstall wireway pan in reverse order of removal 2 The ground lug must be reinstalled using the screws provided 3 Replace the conduit connectors and plastic grom ets to the wireway pan 4 Replace wireway cover bumper and do
44. remaining PVC drain parts using recommended PVC cleaner primer and cement per manufacturer s recommendations 4 Thread plug into the adapter until snug but not to exceed four full rotations It is the installing contractor s responsibility to consult local agencies for local code requirements Water Seal Correct Installed drip piping may require additional support depending on the number and location of the hub floor drains The installer should always provide adequate support to all drip piping arrangements to prevent excess stress on all drip piping components The installer must provide additional support when evac type waste water systems are applied Water Seal NOT Correct HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Reach In 3 4 DRIP PiPING AND SPLASHGUARDS DRIP PIPING LINEUP ARRANGEMENTS The following illustrations below show typical arrangements for installing drip pipes for a lineup of merchandisers Illustrations are for reference only Piping may vary with location and access to hub drain s Each merchandiser waste outlet must be individually piped to a hub drain if 1 4 in drip pip ing pitch cannot be maintained RL RLN Single Line Up 4 merchandisers shown NOTE No more than two merchandiser are to be piped per water seal Do not install water seal between two merchandiser waste outlets that are piped together Double water seals in series will cause an air lock and prevent dra
45. rigerant lines should be sized as shown on the refrigeration legend that 1s furnished for the store or according to ASHRAE guidelines Oil Traps P traps oil traps must be installed at the base of all suction line vertical risers HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Pressure Drop Pressure drop can rob the system of capacity To keep the pressure drop to a minimum keep the refrigerant line run as short as possible using a minimum number of elbows Where elbows are required USE LONG RADIUS ELBOWS ONLY INSULATION With GAS Defrost The suction and liquid lines should NOT contact each other and should be insulated sepa rately for a minimum of 30 ft 9144 mm from the merchandiser With OTHER Than Gas Defrost The suction and liquid lines should be clamped or taped together and insulated for a minimum of 30 ft 9144 mm from the merchandiser With AII Defrost Additional insulation for the balance of the liquid and suction lines is recommended wherever con densation drippage 15 objectionable or the lines are exposed to ambient conditions Reach In 2 4 REFRIGERATION ELECTRICAL A 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 Do NOT reduce be
46. s down to the operating temperatures listed on the data sheet STOCKING Product should NOT be placed in merchandisers until all refrigeration controls have been adjusted and merchandisers are at proper operating temperature All shelves and the lower deck are intended to display product Shelf height is adjustable in one inch incre ments Spacing of 12 inches is recommended for most applications Maximum load per shelf is 170 pounds Merchandisers may be ordered with optional L shaped wire shelves Proper rotation of product during stocking is necessary to prevent product loss Always bring the oldest product to the front and set the newest to the back AIR DISCHARGE AND RETURN FLUES MUST REMAIN OPEN AND FREE OF OBSTRUCTION AT ALL TIMES to provide proper refrigeration and air curtain performance Do not allow product packages signs etc to block these grilles Do not use non approved shelving baskets display racks or any accessory that could hamper air curtain performance 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 recommends solid shelves for ice cream HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A LOAD LIMITS Shelf life of perishables will be short if load limit is vio lated AT NO TIME SHOULD MERCHANDISERS BE STOCKED BEYOND THE LOAD LIMITS INDICATED DO NOT BLOCK
47. stalled leld Installe Coupling Plug Approx 2in Clearance to Floor Field Installed Field Installed Adapter Water Seal Factory Installed Do NOT use Thread Sealer on Drain Fitting Tee Fitting 1 Tee is factory installed Do not overtighten NOTE It may be necessary to rotate water seal trap threads or the drain fitting or tee may become inside the tee a few degrees to ensure clearance at damaged two locations There must be clearance 1 between the bottom of the water seal and the floor and 2 2 Do NOT use thread sealer on ABS drain fitting between the top of the water seal outlet and the bot If sealer is used the ABS drain fitting may crack tom of the merchandiser Do not over rotate or gravity or leak If a tee needs to be installed it should seal may be compromised Always rotate trap bottom be tightened no more than 4 turns Do not toward merchandiser support rail overtighten threads 2 Dry fit the supplied water seal trap to ensure approximately 1 2 in of clearance from the bot tom of the trap to the floor as shown Front of Merchandiser p Merchandiser Waste Bottom Outlet Maintain Clearanc e4 Rotate Water Seal to Bottom of Case towards back of a Merchandiser if required n 1 2 in Clearance to Floor Field Installed Water Seal Floor A P N 0387183 Q U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 O 3 Install
48. t Tool epa Nut Fan Blade Bracket ex N 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 U S amp Canada 1 800 922 1919 Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 Q 6 3 REPLACING ELECTRIC DEFROST 7 Replace the coil cover and lower fan plenum HEATERS FOR RL RLN RLNI RLNIE ONLY 8 Turn on power Electric defrost requires a heater on the front and 9 Verify that heater is working correctly rear of the coil as shown The heaters are held in 10 Close ai fan plenum place by tabs in the coil brackets ose air gaps under fan plenum Warmer air moving into refrigerated air reduces effective cooling If the plenum does not rest against the case bottom without gaps apply foam tape to the bottom of the fan plenum to reduce improper air movement Use silicone sealant to close other gaps Front Defrost Heater 1 Disconnect Power 2 Lift fan plenum up and back to access the heater 11 Replace display pans Bring merchandiser to 3 Bend tabs holding heater to horizontal operating temperature before restocking 4 Remove heater from coil bracket Rear Defrost Heater 5 Position new heater in bracket 1 Disconnect Power 6 Bend tabs back to vertical to hold heater in bracket T T Electric Defrost Cc 3 Remo
49. the color band REFRIG THERMOSTAT Low TEMP LIGHT BLUE REFRIG THERMOSTAT NORM TEMP DARK BLUE DEFROST TERM THERMOSTAT PURPLE ANTI SWEAT HEATERS FAN Morons GROUND ORANGE OR TAN LIGHTS MAROON RECEPTACLES YELLOW DEFROST HEATERS 120V DEFROST HEATERS 208V EITHER COLORED SLEEVE OR COLORED INSULATION ELECTRICIAN NOTE Use copper conductor wire only CASE MUST BE GROUNDED THESE ARE MARKER COLORS WIRES MAY VARY P N0387183 Q U S amp Canada 1 800 922 1919 Mexico 1 800 890 2900 e WWW HUSSMANN COM P N 0387183 O DRIP PIPING AND SPLASHGUARDS WASTE OUTLET AND WATER SEAL The waste outlet location varies for each of the 1 2 3 4 and 5 door merchandisers Drip piping is located between the front merchandiser base and the splashguard fixture and runs parallel to the merchandiser see Data Sheet for exact locations INSTALLING DRIP PIPING Poorly or improperly installed drip pipes can seriously interfere with the merchandiser s operation and result in costly maintenance and product losses Please follow the recommendations listed below when installing drip pipes to ensure proper installation e Never use drip piping smaller than the nominal diameter of the pipe or water seal supplied with the merchandiser e When connecting drip piping the water seal must be used as part of the drip piping to prevent air leakage or insect entrance Never use two water seals in series in any one drip pipe DOUBLE WAT
50. unt needed will depend on how much the floor is out of level Remove all dirt wax and grease from the area of the splashguard where adhesion will be necessary This is to ensure a good secure installation Apply a good silicone type sealer along the bottom of the splashguard Sealant must be removed and replaced when servicing Splashguard Silicone type Sealer P N 0387183 Q OPTIONAL stainless steel splashguards may be 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 To install the trim to the splashguard Remove all dirt wax and grease from the area of the splashguard where adhesion will be necessary This is to ensure a good and secure installation Apply a good contact cement to the cove trim and allow proper drying time according to the directions supplied with the cement nstall the trim to the splashguard so that it is lying flush with the floor DO NOT SEAL THE TRIM TO THE FLOOR f required by local health codes Cove Trim may be sealed to the floor using a silicone type sealer Sealant must be removed and replaced when servicing Splashguard Cement Cove Trim U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 Q START UP OPERATION STARTUP See the merchandiser s Technical Data Sheet for refrigerant settings and defrost requirements Bring merchandiser
51. ve clips holding heater to coil tube Bend Tabs O O 5 ES 4 Remove heater from slots in coil bracket to Release CD Co or Secure 5 Position new heater in slots 3 Heaters 6 Replace clips 3ack Heater Front Heater HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Reach In 6 4 SERVICE 7 Replace the coil cover 4 Remove heater from bracket 8 Turn on power 5 Position new heater in bracket 9 Verify that heater is working correctly 6 Close the bracket with the element support 10 Replace display pans Bring merchandiser to operating temperature before restocking 7 Turn on power REPLACING Electric Defrost 8 Verify that heater is working correctly Heaters RLT Only RLT electric defrost heaters are located under the e trens me ta ra tap coil as shown in the photo below Mounting brack Lid uc I MN pi T m F e E ets and supports are attached to plenum brackets 1 Disconnect Power 1 Tg 1 i 2 Remove lower back panels to access the heater I RLT Defrost Heater Location 3 Lift fan plenum up and back to access the heater Defrost Heater RLT Defrost Heater c Heating Element Support UN LH Plenum Mounting Bracket RH Plenum Mounting Bracket pli Heating Element Support This view shows one bracket assembly typical on 2 door case wo assemblies are used on 3 door case lt gt hree on 4 door four on 5 door case P N 0387183_Q U S amp Canada 1 800 922 1
52. ve the shipping block in the center of the heat exchanger in the interior bottom of each case see Figure 2 Snap a chalk line on the floor to use as a guide for positioning the front of the cases in the line up The front base frame should be on the chalk line Once cases are close to final placement remove the shipping braces from the ends to be joined see Figure 3 Discard bolts and flat washers used to hold shipping braces Bolts are too long to be used for joining RLNI RLNI Figure 3 Remove Shipping Braces P N 0387183 Q U S amp Canada 1 800 922 1919 lt Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 0 4 Ifnot already installed make sure Nut Retainers and Alignment Pins are in place in Factory Installed the right end frame as shown Nut Retainer in Figure 4A or 4B RL RM RMF and RLN RMN Alignment Pin ON Te nuna Y o Factory Installed Nut R etainer R LT has no Alignment Pn RLT Figure 4A Verify Nut Retainer Installation HUSSMANN CORPORATION lt BRIDGETON MO 63044 2483 U S A 1 12 INSTALLATION RLNI iei Alignment Pin e pan Alignment Pin P N 0387183 Q U S amp Canada 1 800 922 1919 lt Mexico 1 800 890 2900 lt WWW HUSSMANN COM P N 0387183 0 1 13 5 Apply Donut Gasket 1 in recess around both Apply the wider Foam Tape Gasket 2 left end as shown in Figure 5A Part 1 5B or around the ri
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