Hussmann RL2SP Installation & Operation Manual Download Page 47 | Manualshive

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P/N 3053328_C

U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • WWW.HUSSMANN.COM

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 piping

pitch cannot be maintained.

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 drainage.)

M

RL, RLN Single Line Up

(4 merchandisers shown)

RL, RLN Single Line Up

(4 merchandisers shown)

RLNI Cross Drip Piping

(4 merchandisers shown)

Merchandisers Bottom

Floor

Floor

Floor

1

/

4

in. per ft drop

1

/

4

in. per ft drop

Merchandisers Bottom

1

/

4

in. per ft drop

1

= Water Seal

2

= Clean Out Plug

3

= Hub Drain

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Summary of Contents for RL2SP

Page 1: ...he propane gas used in the unit has no odor The lack of smell does not indicate a lack of escaped gas If a leak is detected immediately evacuate all persons from the store and contact the local ﬁre department to advise them that a propane leak has occurred Do not let any persons back into the store until the qualiﬁed service technician has arrived and that technician advises that it is safe to ret...

Page 2: ...e until the qualified service technician has arrived and that technician advises that it is safe to return to the store The propane gas used in the unit has no odor The lack of smell does not indicate a lack of escaped gas A hand held propane leak detector sniffer should be used before any repair and or maintenance is attempted All repair parts must be identical models to the ones they are replaci...

Page 3: ...ne gas used in the unit has no odor The lack of smell does not indicate a lack of escaped gas If a leak is detected immediately evacuate all persons from the store and contact the local fire department to advise them that a pro pane leak has occurred Do not let any persons back into the store until the qualified service technician has arrived and that technician advises that it is safe to return t...

Page 4: ...peratures Do not break the cold chain Keep products in freezer before loading into merchandiser These merchandisers are designed for only pre frozen products ATTENTION Merchandiser must operate for 24 hours before loading product Regularly check merchandiser temperatures Do not break the cold chain Keep products in freezer before loading into merchandiser Medium temperature merchandisers are desig...

Page 5: ...te until the merchandiser is positioned for installation Excessive ambient conditions may cause condensation and therefore sweating of doors Facility operators should monitor doors and floor conditions to ensure safety of persons A 4 inch 102 mm space between the rear of the merchandiser and wall must be maintained for air circulation However in high ambient conditions sweating may still occur If ...

Page 6: ...G AND SPLASHGUARDS Waste Outlet and Water Seal 3 1 Installing Drip Piping 3 1 Drip Piping Lineup Arrangements 3 4 Installing Splashguards 3 5 Sealing Splashguard to Floor 3 6 START UP OPERATION Prior to Start up Check List 4 1 12 Hours After Startup Checklist 4 2 Startup and Operation 4 3 Stocking 4 3 Load Limits 4 3 Installing FDA NSF Required Thermometer 4 5 MAINTENANCE Care and Cleaning 5 1 Cle...

Page 7: ...rated 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 Do NOT allow air conditioning electric fans open doors or windows etc to create air currents around the merchandisers To prevent sweating on th...

Page 8: ...d past the end and beneath the merchandiser s support bar SHIPPING BRACES Move the merchandiser as close as possible to its permanent location and then remove all packaging Check for damage before discarding packaging Remove all separately packed accessories such as kits and shelves Do not walk on top of merchandiser Do not store items or flammable materials atop the unit This warning does not mea...

Page 9: ...r Placing shims at other locations will cause uneven distribution of weight leading to piping leaks as well as sagging or wracked doors Bottom front supports must be shimmed if not in full contact with the floor Front Back Base Component Shim Here Shim Here Shim Here It is the installing contractor s responsibility to consult local agencies for local code requirements 4 Door Shown Approximately Ce...

Page 10: ...hims under splashguard brackets NOTE Install splashguard support brackets before piping case JOINING Sectional construction means that two or more merchandisers 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 fix...

Page 11: ...n leveled according to the main installation instruction Carefully unpack and inspect the joining parts listed above to verify completeness and that there is no damage 1 Prepare cases for joining as shown in Figure 1 A Packing materials bumpers and splashguards should be removed B Remove shelves if installed C Remove display racks and pans from ends to be joined D Remove plenum covers Splashguard ...

Page 12: ... ends to be joined by lifting up and out near the bottom No tools are necessary F Remove joint molding from any door frames that will be joined to another case G RLNI Only Remove screws and inte rior top panel on both sides of the island case end to be joined see Figure 1 E G RLNI RLNI Alignment Pin F E RL G ...

Page 13: ...ont of the cases in the line up The front base frame should be on the chalk line 3 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 RMN Figure 3 Remove Shipping Braces Do not use shipping bolts to join cases Shipping Brace Figure 2 Remove S...

Page 14: ... WWW HUSSMANN COM 4 If not already installed make sure Nut Retainers and Alignment Pins are in place in the right end frame as shown in Figure 4A or 4B Figure 4A Verify Nut Retainer Installation RL RLN Alignment Pin RLNI Factory Installed Nut Retainer Alignment Pin Alignment Pin ...

Page 15: ...Foam Tape Gasket 2 around the right end frame as shown in Figure 5A Part 2 5B or 5C Part 2 Figure 5A Part 1 Apply Gasket to Left End RL RLN F R O N T Right End Left End F R O N T 1 Donut 2 1 in x in 3 in x in Use all three gaskets When applying an end assembly Left End Case F R O N T Pad Shoe Sealer Left End Case Right End Case F R O N T Right End Left End F R O N T 1 Donut 2 1 in x in 3 in x in U...

Page 16: ...ket 3 as Shown 1 2 3 Detail A 1 2 3 Donut Gasket Foam 906 inch x 1 2 inch x 200 inch Foam 1 2 inch x 1 4 inch Right End Case to Case Joint or End Panel Apply Donut Gasket Foam Gaskets and Gasket Pad to Right End Only Apply Gasket Pad 2 Detail C Install Donut Gasket seat into groove Left End Only Use Donut Gasket on left end of a Case to Case Joint If attaching an End Panel all 4 Gaskets must be ap...

Page 17: ...Reach In P N 3053328_C 1 11 HUSSMANN CORPORATION BRIDGETON MO 63044 2483 U S A Figure 5A Apply Gaskets RLNI RLNI Left End Case Gasket Pad Donut Gaskets Must Be Applied As Shown ...

Page 18: ...900 WWW HUSSMANN COM 1 in x in in x in Figure 5B Apply Gaskets to Right End RLNI RLNI Right End Case Gasket Pad Donut 1 in x 1 2 in 1 2 in x 1 4 in Gaskets Must Be Applied As Shown Make sure area where raceway attaches to end frame is sealed with the wider 1 in x 1 2 in gasket ...

Page 19: ... merchandiser against first mating alignment pins with corresponding holes Use care when pushing the cases together RL RLNI Do not cut wires routed along the front bumper retainer See detail in Figure 6 Figure 6 Move Cases Together R L or R M R LN or R MN R LNI Do not cut wires in bumper retainer ...

Page 20: ... 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 position Following the same sequence tighten each cap screw fully until the merchandisers are joined with a snug fit and gaskets are compressed 8 Refer to Section 1 of the Reach In Installation and Service Manual to insta...

Page 21: ...28_C 1 15 HUSSMANN CORPORATION BRIDGETON MO 63044 2483 U S A A R LNI A E B 6 5 F D C Alignment Pin Alignment Pin Nut Retainer RLNI RLNI Figure 7C Joining Sequence for RLNI W Cases Alignment Pin Alignment Pin Nut Retainer ...

Page 22: ...wn in Figure 8 10 Refer to Section 1 of the Reach In Installation and Service Manual to install splashguard brackets and bumpers Section 3 provides direction for installing splashguards including splashguard Splice Connector 8 shown in Figure 9 6 7 7 6 Figure 8 Installing J Molding Figure 9 Installing Splashguard Splice Connector Splice Connector Splashguard SIDE VIEW 9 Splashguard Splice Connecto...

Page 23: ...gth of the line up 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 contract Before installing the last full...

Page 24: ...eets for electrical information FIELD WIRING Field wiring must be sized for component amperes stamped on the serial plate Actual ampere draw may be less than specified ALWAYS CHECK THE SERIAL PLATE FOR COMPONENT AMPERES MAIN DISCONNECT SWITCH Cases are equipped with a main disconnect switch The switch will interrupt power to the entire case The switch is located in the electrical box on top of the...

Page 25: ...rcuit with a grounded wall receptacle NEMA L21 30R RM W RMN W cases require a dedicated a NEMA 5 15R grounded wall receptacle Always use a dedicated circuit with the amperage stated on the unit Plug into an outlet designed for the plug Do not overload the circuit Do not use long or thin extension cords Never use adapters If in doubt call an electrician It is the installing contractor s responsibil...

Page 26: ...l inputs of the CoreLink CaseControlleruseanothertransformerinorder to preventthedigitalinputsfrommalfunctioning or being damaged To avoid causing static discharge do not touch the electronic components on the boards DO NOT use the same secondary of the controllers power Doingso can resultin damagetocasecontroller DO NOT exceed the maximum current capacity of the onboard controller relays Always v...

Page 27: ...reLink The wireless connection kit directly at the CoreLink hosted byWeb UI on a connected smart device or users can use BuildingAutomated System BAS to change parameters from a single central location For explanation of wireless connection at the case consult the CoreLink user manual underWeb User Interface Section NOTE Individual cases may be designed to run at a specific temperature setting and...

Page 28: ...ast week User can see Min Max Average data along with saving data sets and importing data sets for view Factory Restore The CoreLink application has a configuration file with the complete and optimized default case settings Anytime a user wants to default to factory settings they can simply access the user interface and force a factory reset Save Load Feature The CoreLink Case Controller is setup ...

Page 29: ...ecs Flashing 25 secs Dim 10 secs Illuminated Solid ON 30 secs Reboot See Boot Sequence Programming Sequence USB Flash Drive Yellow Status LED Time Off 5 secs Dim 10 secs Illuminated Solid ON 30 secs Blinking Normal Operation Indefinitely Boot Sequence Power Indicator Green LED Status Yellow LED Bios Version 2017011600 Web UI Version 1 3 0 Application Version 2 0 0 Controller Label LED Indicators ...

Page 30: ...rk Connector Hussmann Controller Display maximum 1 terminal per CoreLink RS485 Slave connector Serial port LAN or RS485 USB port for downloads BIOS application configuration files remote display applications network configurations website and uploads log files Connection with the computer via a USB ETHERNET converter Connection with wireless connection kit Digital relay outputs 4 NO relays 2 commo...

Page 31: ...utput 0 10V 4 20mA Relay Connector for 24Vac dc power supply Analogue inputs Pb1 Pb6 Pbc Additional Power 5Vdc 12Vdc GND Analogue outputs Out1 Out4 GND 24Vac dc digital inputs DI1 DI11 GND Note Not a dry contact switch power supply 24Vac or 24Vdc required to activate switch If using 24Vdc pin 31 is GND 20 DI1 Digital input 24Vac dc 21 DI2 Digital input 24Vac dc 22 DI3 Digital input 24Vac dc 23 DI4...

Page 32: ...s manual NO display is provided at the case unless opt Refrigeration Users can find typical settings in the refrigeration menu of website Case temp can be adjusted from here Defrost Corelink will manage defrost per its own defrost schedule or from external source such as BAS system for defrost coordination Users can find typical settings in the defrost menu of website First Power The CoreLink case...

Page 33: ...2 10 Electrical Controller Water Refrigeration P N 3053328_C U S Canada 1 800 922 1919 Mexico 1 800 890 2900 WWW HUSSMANN COM ...

Page 34: ...Reach In P N 3053328_C 2 11 HUSSMANN CORPORATION BRIDGETON MO 63044 2483 U S A ...

Page 35: ...2 12 Electrical Controller Water Refrigeration P N 3053328_C U S Canada 1 800 922 1919 Mexico 1 800 890 2900 WWW HUSSMANN COM CONTROLLER TROUBLESHOOTING ...

Page 36: ...roximately 40 F 40 C Regardless of the amount of propylene glycol it must be ensured that the water loop has adequate corrosion inhibitors The water flow requirements for each case are Auto balancing valves are optional The inlet and outlet water connections are attached using a 3 4 inch NPTF adapter Trapped air must be removed at high points of the water piping Automatic air vent valves or manual...

Page 37: ...acket Condensing Unit Front of Case 2 4 Condensing Unit Water System Bracket Water Line Assembly Inlet Front of Case Water Line Assembly Outlet Water Outlet Water Inlet Front of Case Water Line Assembly Inlet Water Line Assembly Outlet Water System Bracket Condensing Unit Water System Bracket Condensing Unit Water Line Assembly Inlet Water Line Assembly Outlet Front of Case Top Mounted Connections...

Page 38: ...Sheets MSDS before handling any secondary fluid The MSDS contains proper disposal and safety methods Automatic Balancing Valves Case may be equipped with automatic balancing valves The case will maintain the correct flow rate The cooling system pressure must be between 5 to 30 psid for proper operation of the automatic balancing valves Water flow data is provided in the MDS case data sheets includ...

Page 39: ...tration shows the details of the refrigeration system CONDENSING UNIT ACCESS Condensing units are located on top of the case The condensing unit s have an electrical box for wire connections and field service All the cases and condensing units electrical connections are done at the factory Risk of fire or explosion R 290 propane refrigerant is flammable and the refrigeration system should be servi...

Page 40: ...ressor discharge safety that cuts power to the compressor if the discharge temperature exceeds 260 F to protect the compressor in the event of high cooling water temperature or other malfunctions It uses a sensor that is located on the compressor discharge line of each compressor and each compressor is controlled independently This also provides an alarm if the temperature is exceeded Sequence of ...

Page 41: ...efrigeration P N 3053328_C U S Canada 1 800 922 1919 Mexico 1 800 890 2900 WWW HUSSMANN COM FRONT OF THE CASE VIEW FROM FRONT LEFT HAND END FRONT OF THE CASE VIEW FROM LH END OF COIL DEFROST TERMINATION SENSOR DEFROST TERMINATION SENSOR ...

Page 42: ...L A Capillary Suction Tube Secured in Place to avoid Leaks B Loop Cap Tube Coil Condensing A DETAIL A Capillary Suction Tube Secured in Place to avoid Leaks DETAIL B Tube 375 OD X 032 WALL SCT TOP Capillary Tube 064 ID Condensing Unit Condensing Unit TUBE 375 OD X 032 TOP PART OF WALL SCT Capillary Tube 064 ID DETAIL B Coil Loop Cap Tube Capillary Suction Tube Secured in Place to avoid Leaks DETAI...

Page 43: ...2 20 Electrical Controller Water Refrigeration P N 3053328_C U S Canada 1 800 922 1919 Mexico 1 800 890 2900 WWW HUSSMANN COM NOTES ...

Page 44: ... one drip pipe Double water seals in series will cause an air lock and prevent draining Pitch the drip piping in the direction of flow There should be a minimum pitch of 1 4 in per ft 20 mm per 1 m Avoid long runs of drip piping Long runs make it impossible to provide the pitch necessary for good drainage Provide a suitable air break between flood rim of the floor drain and outlet of drip pipe To ...

Page 45: ...d the floor and 2 between the top of the water seal outlet and the bottom of the merchandiser Do not over rotate or gravity seal may be compromised Always rotate trap bottom toward merchandiser support rail 1 2in Clearance to Floor Approx Factory Installed Tee Fitting Factory Installed four turns Do NOT use Thread Sealer on Drain Fitting Drain Fitting Rotate Water Seal towards back of Merchandiser...

Page 46: ...lled 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 It is the installing contractor s responsibility to consul...

Page 47: ...idually piped to a hub drain if 1 4 in drip piping pitch cannot be maintained 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 drainage M RL RLN Single Line Up 4 merchandisers shown RL RLN Single Line Up 4 merchandisers shown RLNI...

Page 48: ...leted 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 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 Reta...

Page 49: ...vicing 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 ...

Page 50: ...arettes or other possible sources of ignition should be used inside the building where the units are located until the qualified service technician and or local fire department determines that all propane has been cleared from the area and from the refrigeration systems Prior to Start up Check List Is the case connected to its proper nameplate power supply Is there power on at the breaker panel Ar...

Page 51: ...Check compressor s amperage and validate with the information on serial plate Check the door operation again to ensure doors open and close properly once the case is down to operating temperature Check that all inspection plates and covers have been properly replaced Inspect for any water accumulation due to incorrect or unsealed penetrations where electrical or other lines pass through insulated ...

Page 52: ... 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...

Page 53: ... Start up Operation P N 3053328_C U S Canada 1 800 922 1919 Mexico 1 800 890 2900 WWW HUSSMANN COM RLN W RLN SP LOAD LIMITS RLNI W RLNI SP LOAD LIMITS RLNI W RLNI SP LOAD LIMITS FAN COIL FAN COIL FAN COIL ...

Page 54: ... apply to display refrigerators intended for bulk produce refer to Page 1 1 Please note that the tape cannot be exposed after installation This is an NSF 7 US FDA Food Code Required Thermometer Suggested Mounting Locations in Single Deck Glass Front Impact Merchandisers Acrylic Package Guard Facing Out Inside End Panel Shelf Price Tag Molding Return Air Grille Suggested Mounting Locations in Multi...

Page 55: ...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 Important Ple...

Page 56: ...fer to manual that ships with doors 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 Not Use Abr...

Page 57: ...od Never introduce water faster than the waste outlet can remove it Allow merchandisers to dry before resuming operation After cleaning is completed turn on power and refrigerant to the merchandiser Verify that merchandiser is working properly CLEANING HONEYCOMB ASSEMBLIES Honeycombs should be cleaned every six months Dirty honeycombs will cause merchandisers to perform poorly The honeycombs may b...

Page 58: ...h or vacuum brush to clean debris from coils Do not puncture coils Do not bend fins Contact an authorized service technician 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 c...

Page 59: ...5 4 Maintenance P N 3053328_C U S Canada 1 800 922 1919 Mexico 1 800 890 2900 WWW HUSSMANN COM NOTES ...

Page 60: ...cessary to service or replace the fan motors or blades be certain that the fan blades are re installed correctly Fan Access 1 Disconnect power to the case 2 Remove bottom display pans 3 Remove plug clip and disconnect fan from wiring harness 4 Remove fan blade 5 Remove screws holding fan motor bracket assembly to plenum and remove assembly 6 Replace fan motor bracket assembly and reinstall screws ...

Page 61: ...rking correctly 10 Close 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 11 Replace display pans Bring merchandiser to operating temperature before restocking Rear Defros...

Page 62: ...r clips Be sure offset is properly positioned around the drain 4 Reconnect power 5 Verify that heater is working correctly 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 A DETAIL A Drain Heater Offset Heater Clips rro No refe E rr en ro c r e N A...

Page 63: ... moisture penetration a warranty against tempered glass breakage and a warranty on ballasts Lamps are not covered by Hussmann or the door manufacturer REPLACING DAMAGED DRAIN FITTING The following procedure is for the field repair of a broken drain fitting 1 Use a drill with a 1 7 8 inch 48 mm hole saw to drill out the bottom of the drain fitting Be sure to drill completely through fitting and bot...

Page 64: ...0 E Northgate P O Box 2102 Irving TX 75062 Phone 1 800 527 9916 NOTE Hussmann Aluminum melts at 1125 F 607 C Aladdin 3 in 1 rod at 732 F 389 C X Ergon Acid core at 455 F 235 C 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 tin...

Page 65: ...se include the model and serial number of the product Hussmann Corporation Corporate Headquarters Bridgeton Missouri U S A 63044 2483 01 October 2012 To obtain warranty information or other support contact your Husmann representative Please include the model and serial number of the product ...

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