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Installation & Service Manual LLM, LLF, LLD This manual has been designed to be used in conjunction with the General Installation & Service Manual. Save the Instructions in Both Manuals for Future Reference!! This merchandiser conforms to the Commercial Refrigeration Manufacturers Association Health and Sanitation standard CRS-S1-96. PRINTED IN Specifications subject to REPLACES ISSUE PART IN U.S.A. change without notice. EDITION 1/97 DATE 7/99 NO. 9027535 REV. B Tyler Refrigeration Corporation * Niles, Michigan 49120 LIFT FRONT CURVED GLASS MEAT/SEAFOOD/DELI MERCHANDISERS Medium Temperature Service Display Cases
Transcript
Page 1: Installation && SService Manual - Hill Phoenix · 2020-02-29 · Installation && SService Manual LLM, LLLF, LLLD This manual has been designed to be used in conjunction with the General

Installation && SServiceManual

LLM, LLLF, LLLD

This manual has been designed to be used in conjunction with the GeneralInstallation & Service Manual.

Save the Instructions in Both Manuals for Future Reference!!This merchandiser conforms to the Commercial Refrigeration Manufacturers Association Health and Sanitation standard CRS-S1-96.

PRINTED IN Specifications subject to REPLACES ISSUE PARTIN U.S.A. change without notice. EDITION 1/97 DATE 7/99 NO. 9027535 REV. B

Tyler Refrigeration Corporation * Niles, Michigan 49120

LIFT FRONT CURVED GLASS MEAT/SEAFOOD/DELI MERCHANDISERSMedium Temperature Service Display Cases

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CONTENTSPage

SpecificationsLLM/LLF/LLD Specification Sheets . . . . . . . . . . . . . . . . . . . . . . . . . 4Line Sizing Requirements . . . . . . . . . . . . (See General I&S Manual)

Pre-Installation Responsibilities . . . . . . . . . . . (See General I&S Manual)Installation Procedures

Carpentry Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Case Line-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Lift Front Glass Leveling Instructions . . . . . . . . . . . . . . . . . . . . . . . 7Trim Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Plumbing Procedures . . . . . . . . . . . . . . (See General I&S Manual)Refrigeration Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Temperature Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Setting the Electronic Thermostat (LLM/LLF) . . . . . . . . . . . . . . . . 10Electrical Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Electrical Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Defrost Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Defrost Control Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Installation Procedure Check Lists . . . . (See General I&S Manual)

Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10LL(M/F/D) Domestic & Export (50Hz) Case Circuits (6’ Cases) . . . 11LL(M/F/D) Domestic & Export (50Hz) Case Circuits (8’ Cases) . . . 13LL(M/F/D) Domestic & Export (50Hz) Case Circuits (12’ Cases) . . 15

Cleaning and SanitationStainless Steel Cleaning Methods . . . . . . . . . . . . . . . . . . . . . . . . 16

General InformationRear Sliding Door Removal and Installation . . . . . . . . . . . . . . . . . 18Mezzanine Shelving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Service Case Flush System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Top Mounted Scale Shelf Installation . . . . . . . . . . . . . . . . . . . . . . 20

LLM, LLF, LLD Tyler Refrigeration

Page 2 October, 1996

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Installation & Service Manual LLM, LLF, LLD

January, 1997 Page 3

PageService Instructions

Preventive Maintenance . . . . . . . . . . . . (See General I&S Manual)Light Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Ballast and Lighting Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Fan Blade and Motor Replacement . . . . (See General I&S Manual)Color Band and Bumper Replacement . (See General I&S Manual)Anti-Sweat Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Lift Glass Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Lift Glass Hinge Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . 23Lift Glass Edge Seal Replacement . . . . . . . . . . . . . . . . . . . . . . . 24

Parts InformationOperational Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Cladding and Trim Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

TYLER Warranty . . . . . . . . . . . . . . . . . . . . . . . (See General I&S Manual)

The following Medium Temperature Lift Glass Meat, Seafood and Deli Service Merchandiser mod-els are covered in this manual:

MODEL DESCRIPTION

LLM 6’, 8’ & 12’ LIFT GLASS GRAVITY COIL MEAT SERVICE MERCHANDISER

LLF 6’, 8’ & 12’ LIFT GLASS GRAVITY COIL SEAFOOD SERVICE MERCHANDISER

LLD 6’, 8’ & 12’ LIFT GLASS FORCED AIR DELI SERVICE MERCHANDISER

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LLM, LLF, LLD Tyler Refrigeration

Page 4 October, 1996

LLM/LLF/LLD Lift Front Glass Service Merchandiser Specification

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Installation & Service Manual LLM, LLF, LLD

July, 1999 Page 5

LLM/LLF/LLD Lift Front Glass Service Merchandiser

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LLM, LLF, LLD Tyler Refrigeration

Page 6 October, 1996

INSTALLATION PROCEDURESWWAARRNNIINNGG

The raised front glass projects in front ofthe case and could cause personal injury toworkers, operators and/or customers.

• Do not remove orange warning tags fromfront edge of lift glass.

• Do not leave lift glass raised and unat-tended.

• Know where the front edge of the raisedglass is when working near it.

This case is designed so the front glass can beraised for cleaning and merchandising only. Itis recommended that any cleaning or mer-chandising be done when the store is closed.If this is not possible, it should be done at atime when customer traffic is low.

The raised glass should not be left unattendedand should be lowered whenever leaving thecase.

The glass front is marked with orange warningtags to make it noticeable when in the raisedposition. Do not remove the orange warningtags.

Carpentry Procedures

Case Line-Up

Before starting the case line-up, review thestore layout floorplans and survey the areaswhere case line-ups are going to be installed.

WWAARRNNIINNGG

These cases are very heavy and requiretwo or more people to move and/or posi-tion them. Improper handling of thesecases could result in personal injury.

1. Snap chalk lines where the front and rearbase rails of the case are to be located forthe entire line-up.

NOTE

Front and rear edges of base rails shouldalways be used to line-up cases. 6” shimsallow adjoining ends of cases to beshimmed together.

2. Locate highest point on chalk lines as areference for determining the number ofshims to be placed under the case baserails. Position first case at highest pointon the chalk lines and shim case supportsas required. Check leveling across thetop of the case and on top of the colorband.

CAUTION

If the base of this case is not sitting evenlyon the floor, the case could warp whenloaded and possibly break the lift glass.

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Installation & Service Manual LLM, LLF, LLD

October, 1996 Page 7

NOTE

A foam gasket is factory installed on oneend of the case. This gasket fits into agroove on the adjoining case when casesare pulled together. Do not depend on thefoam gasket alone to make a good seal!

3. Apply two heavy beads of caulking com-pound from the Filler Kit to the end ofcase at dotted (. . .) and dashed (- - -)lines. Proper caulking provides goodcase refrigeration and sanitation.

4. Remove shipping tape from color bandbacker and bumper backer.

5. Push cases tightly together making surethe pull-ups are aligned.

6. Add shims (1), as required, under theadjoining case base rails (2). Check lev-eling at top of the case (3) and on top ofthe color band (4).

CAUTION

Do not drill or use other holes through thecase end for pull-ups. This may deformthe case end and could cause joint leaksand/or poor refrigeration.

7. Position pull-up bolts and mounting hard-ware (5) at pull-up locations (A, B, C andD). Do not tighten any pull-up hardwareuntil all of it has been installed. Tightenall pull-up hardware equally starting atpoint A and finishing at point D. Do notovertighten.

Lift Front Glass Leveling Instructions

Accurate leveling is critical for the properoperation of the lift glass on this case.

In some instances, setting the case on anapparently level floor can cause the lift glassto fit improperly. If there is any twist in thebody, it could cause the lift glass not to fit orwork properly.

The emphasis when leveling this case mustbe on making sure the lift glass works andseals properly.

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LLM, LLF, LLD Tyler Refrigeration

Page 8 October, 1996

The case should be leveled across the top(1), close to the hinge, and on the color band(2). A 4 foot level is recommended, and bothplaces should be level! This will enable thelift glass to fit and work properly.

If the lift glass still doesn’t close or line-upproperly, add shims to case corners.Shimming will ensure proper operation andalignment of the lift glass.

The handle on the lift glass must rest evenlyon the color band. Proper lift glass sealing isessential for good product refrigeration.

NOTE

• Do not anchor the base to the floor orenclose the case until the lift glass is fit-ting properly and working correctly.

• Make sure all lift glass hinge stops havebeen removed to ensure proper opera-tion.

To remove lift glass hinge stops:

1. Open rear of fixture and locate the hingeassemblies (2 on 4’ glass and 3 on 6’glass).

2. Remove all hinge stops (1) from theshanks of the hex head bolts (2).

Trim Installation

The joint trim and mounting hardware areshipped loose. Trim includes top joint trim(1), rear upper joint trim (2), rear lower jointtrim (3), rear base joint trim (4) and horizontaljoint trim (5).

Horizontal joint trim covers gaps between thecases. The trim is glued onto the shippingcardboard. It is applied after running beadsof caulking on the edges of the cases. Sheetmetal screws or pop-rivets can be used foradditional securing.

Patch end trim is shipped factory installed. Iffield installation is required, be sure the patchend is pulled up enough to fit snuggly againstthe sealing tubing on the inside of the case.

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Installation & Service Manual LLM, LLF, LLD

October, 1996 Page 9

The patch end must seal tightly against the liftglass wiper to ensure proper operating tem-peratures.

See “General I&S Manual” for bumper andcolor band installation and alignment.

Refrigeration ProceduresRefrigeration system and superheatinstructions can be found in the “GeneralI&S Manual”. Service case temperaturecontrol information is listed below.

Temperature Control

The temperature of each case is controlledwith a thermostat and suction line solenoid.One thermostat and one solenoid arerequired for up to three cases.

The LLM and LLF cases use a gravity coilwith an electronic thermostat for improvedtemperature control. LLD case uses a con-ventional mechanical thermostat.

Typical Service Case with Gravity Coil Typical Service Case with Blower Coil

In addition to the thermostat and suction sole-noid, a suction stop EPR valve is required inthe suction line. The EPR valve acts as a lowpressure limit to aid in the overall tempetra-ture control.

THERMOSTAT BULB MOUNTED UNDERNEATH COIL

THERMOSTAT BBULB PPLACEMENT

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LLM, LLF, LLD Tyler Refrigeration

Page 10 October, 1996

Setting Electronic Thermostat (LLM/LLF)

1. Remove the four screws and cover from theelectronic thermostat.

2. Set the heating/cooling jumper blocks tothe “COOL” position.

3. Adjust the differential potentiometer marked“DIFF” to 10°F (LLM) or 1°F (LLF).

4. Position the setpoint dial, on the frontcover, to 29°F (LLM) or 34°F (LLF).

5. Check the temperature cycles by suspend-ing a thermometer in the same generalarea as the thermostat probe. The temper-ature should cycle between 19°F and 29°F(LLM) or 33°F and 34°F (LLF).

6. Replace the cover and secure with fourscrews.

With the cooling mode selected, the differentialis below the setpoint. The relay will energizeand the LED indicator will illuminate when thetemperature reaches the setpoint (29°F or34°F). When the temperature drops to the set-point (29°F or 34°F) minus the differential set-ting (10° or 1°F), the relay and LED indicatorwill de-energize and refrigeration will stop.

Start the refrigeration system (note that theLED indicator is illuminated) and allow the caseto cool. This allows the thermostat to cycle thesuction solenoid valve from open to close.

The settings above are specific to TYLER ser-vice cases with gravity coils only. Other appli-cations will require different set points

Electrical ProceduresElectrical Considerations

CAUTIONMake sure all electrical connections at com-ponents and terminal blocks are tight. Thisprevents burning of electrical terminalsand/or premature component failure.

NOTEThe ballast box is located at the lower leftrear corner of the case. It houses ballastsand terminal blocks.

Case Fan Circuit (LLD only)

This circuit is to be supplied by an uninter-rupted, protected 120V circuit. The case fancircuit is not cycled on this case.

Fluorescent Lamp Circuit

LL(M/F/D) case lighting is supplied by T-8electronic ballast lights. It is controlled by alight switch in each case. The standard light-ing is 1-row of horizontal canopy lights.

Anti-Sweat Circuit

All anti-sweat heaters are wired directly to themain power supply so they can operate at alltimes.

Defrost InformationSee “General I&S Manual” for operationaldescriptions for each type of defrost con-trol.

Defrost Control Chart

LLM/LLF Defrost Option Settings

DefrostDefrost Defrosts Duration Term.Type Per Day (Min) Temp.Off Time 1 110 -----

LLD Defrost Option Settings

DefrostDefrost Defrosts Duration Term.Type Per Day (Min) Temp.Off Time 1 46 -----

Thermostat and sensor locatations are shownon page 9 of this manual.

WIRING DIAGRAMSELECTRICIAN NOTE - OVERCURRENT

PROTECTION120V circuits should be protected by 15 or 20 Ampdevices per the requirements noted on the cabinetnameplate or the National Electrical Code, CanadianElectrical Code - Part 1, Section 28. 208V defrostcircuits employ No. 12 AWG field wire leads for fieldconnections. On remote cases intended for end toend line-ups, bonding for ground may rely upon thepull-up bolts.

The following pages 11 thru 15 show wiringdiagrams for case and lighting circuits

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July, 1999 Page 11

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Page 12 July, 1999

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July, 1999 Page 13

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Page 14 July, 1999

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July, 1999 Page 15

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LLM, LLF, LLD Tyler Refrigeration

Page 16 July, 1999

CLEANING INSTRUCTIONSWWAARRNNIINNGG

TYLER Refrigeration does not recommendthe use of high pressure cleaning equip-ment on service style cases!! The sealingof front glass and end joints is critical inthese cases and high pressure cleanerscan penetrate and/or damage these seals.Damaged seals allow water leaks and/orair leaks that can cause poor case refriger-ation.

CAUTION

• When cleaning this case, try not to intro-duce water into the case faster than itcan be carried away by the waste outlet.

• Always use a soft cloth or sponge withmild detergent and water to clean thefront glass. Never use abrasives orscouring pads to clean glass. They canscratch and/or damage the glass.

See “General I&S Manual” for case cleaninginstructions. Stainless steel cleaning is cov-ered in the following chart.

Stainless Steel Cleaning MethodsThe cleaning data in the following stainless steel cleaning chart was supplied by AISI. The information was supplied byPrime Metals Division, Alumax Aluminum Corporation.

TYPE OF CLEANING CLEANING AGENT* APPLICATION METHOD** EFFECT ON FINISH

Routine cleaning Soap, ammonia or deter- Sponge with cloth, then Satisfactory for use on allgent and water. rinse with clear water and finishes.

wipe dry.

Smears and finger- Arcal 20, Lac-O-Nu, Lumin Rub with cloth as directed Satisfactory for use on allprints Wash O’Cedar Cream on the package. finishes. Provides barrier film

Polish, Stainless Shine

Stubborn spots and Allchem Concentrated Apply with damp sponge or Satisfactory for use on allstains, baked-on Cleaner cloth. finishes.splatter, and other lightdiscolorations Samae, Twinkle, or Cameo Rub with damp cloth. Satisfactory for use on all

Copper Cleaner finishes if rubbing is light.

Grade FFF Italian pumice, Rub with damp cloth. Use in direction of polish lines whiting or talc on No. 4 (polished) finish.

May scratch No. 2 (mill) and No. 7 and 8 (polished) finishes.

Liquid NuSteel Rub with dry cloth. Use a Use in direction of polish lines small amount of cleaner. on No. 4 (polished) finish.

May scratch No. 2 (mill) and No. 7 and 8 (polished) finishes.

Paste NuSteel or DuBois Rub with dry cloth. Use a Use in direction of polish lines Temp small amount of cleaner. on No. 4 (polished) finish.

May scratch No. 2 (mill) and No. 7 and 8 (polished) finishes.

Cooper’s Stainless Steel Apply with damp sponge or. Use in direction of polish lines Cleaner, Revere Stainless cloth. on No. 4 (polished) finish.Steel Cleaner May scratch No. 2 (mill) and

No. 7 and 8 (polished) finishes.

Household cleaners (Old Rub with a damp cloth. May Use in direction of polish lines Dutch, Lighthouse, Sunbrite, contain chlorine bleaches. on No. 4 (polished) finish.Wyandotte, Bab-O, Gold Dust, Rinse thoroughly after use, if May scratch No. 2 (mill) and Sapolio, Bon Ami, Ajax or left on surface, may lead to No. 7 and 8 (polished) finishes.Comet) corrosion.

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Installation & Service Manual LLM, LLF, LLD

October, 1996 Page 17

TYPE OF CLEANING CLEANING AGENT* APPLICATION METHOD** EFFECT ON FINISH

Grade F Italian pumice, Steel Rub with a damp cloth. Use in direction of polish lines Bright, Lumin Cleaner, Zud, on No. 4 (polished) finish.Restoro, Bon Ami, Ajax or May scratch No. 2 (mill) and Comet No. 7 and 8 (polished) finishes.

Penny-Brite or Copper-Brite Rub with a dry cloth. Use a Use in direction of polish lines small amount of cleaner. on No. 4 (polished) finish.

May scratch No. 2 (mill) and No. 7 and 8 (polished) finishes.

Heat tint or heavy Penny-Brite or Copper-Brite Rub with a dry cloth. Use in direction of polish lines discoloration on No. 4 (polished) finish.

May scratch No. 2 (mill) and No. 7 and 8 (polished) finishes.

Paste NuSteel or DuBois Rub with dry cloth. Use a Use in direction of polish lines Temp small amount of cleaner. on No. 4 (polished) finish.

May scratch No. 2 (mill) and No. 7 and 8 (polished) finishes.

Revere Stainless Steel Apply with a damp sponge Use in direction of polish lines Cleaner or cloth. on No. 4 (polished) finish.

May scratch No. 2 (mill) and No. 7 and 8 (polished) finishes.

Allen Polish, Steel Bright, Rub with a damp cloth. Use in direction of polish lines Wyandotte, Bab-O or Zud on No. 4 (polished) finish.

May scratch No. 2 (mill) and No. 7 and 8 (polished) finishes.

Burnt-on foods and Easy-Off, De-Grease-It, 4-6% Apply generous coating. Excellent removal, satisfactorygrease, fatty acids, hot solution of such agents Allow to stand for 10-15 min. for use on all finishes.milkstone (where swab- as trisodium tripolyphospate, Repeated application may bing or rubbing is not or 5-15% caustic soda be necessary.practical) solution

Tenacious deposits, Oakite No. 33, Dilac, Texo 12, Swab and soak with clean Satisfactory for use on allrusty discolorations, Texo N.Y., Flash-Klenz, cloth. Let stand 15 minutes finishes.industrial atmospheric Caddy Cleaner, Turco Scale or more according to direc-stains 4368 or Permag 57. tions on package. Rinse

and dry.

Hard water spots Vinegar Swab or wipe with a cloth. Satisfactory for use on alland scale Rinse with water and dry. finishes.

5% oxalic acid, 5% sulamic Swab or soak with a cloth. Satisfactory for use on allacid, 5-10% phospheric acid, Let stand 10-15 minutes. finshes. Effective on tenaciousor Dilac, Oakite No. 33, Always follow with neutralizer deposites or where scale has Texo 12 or Texo N.Y. rinse, and dry. built up.

Grease and oil Organic solvents such as Rub with a cloth. Organic Satisfactory for use on allcarbon tetrachloride, tri- solvents may be flammable finishes.chlorethylene, acetone, kero- and/or toxic. Observe all sene, gasoline, benzene, precautions against fire. alcohol and chlorethane n.u. Do not smoke while vapors

are present. Be sure area is well ventilated.

* Use of proprietary names is intended only to indicate a type of cleaner, and does not constitute an endorsement, nor isomission of any proprietary cleanser to imply its inadequacy. It should be emphasized that all products should be used instrict accordance with instructions on package.

** In all applications a stainless steel wool or sponge or fibrous brush or pad are recommended. Avoid use of ordinary steel

wool or steel brushes for scouring stainless steel.

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LLM, LLF, LLD Tyler Refrigeration

Page 18 July, 1999

GENERAL INFORMATION

Rear Sliding Door Removal andInstallationThe sliding doors come installed from the fac-tory in the door frame. These doors areremovable for cleaning and to aid in casemaintenance. NOTE: DO NOT FULLYIMMERSE DOORS WHEN CLEANING. Theinner and outer doors are marked with labelsfrom the factory. If the doors are not labeled,the inner door can be identified as having thelimiter stops on it.

1. Remove the outer door (1) by sliding it tothe right end of the door frame (2) (withinan inch of being closed).

2. Firmly grasp both sides of the outer door(1) and lift into the upper track (3) until it

clears the lower track (4).

3. Tilt out the bottom of the outer door (1) so

it can clear the lower track (4).

4. Lower the outer door (1) out of the uppertrack (3) to remove it from the case.

5. Repeat steps 1 thru 4 to remove the innerdoor (5).

6. Reverse the above steps to replace theinner and outer doors (5 and 1).

Mezzanine ShelvingMezzanine shelves are available in 10” or 12”widths. One level of shelving is optionallyavailable for LLM and LLF cases, while twolevels of shelving is available for LLD cases.The shelves can be moved forward from themullions in two inch increments and can be

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Installation & Service Manual LLM, LLF, LLD

October, 1996 Page 19

locked into three positions.

To install mezzanine shelving, position andinsert the mezzanine shelf (1) and captiveshelf brackets (2) into slots in the uprights (3).

NOTEThe brackets can be moved vertically at 1”increments in the uprights.

Lighted Shelves

Lights are optional on the 10” and 12” mezza-nine shelves. Wiring harnesses for all shelflocations are factory installed. Ballasts areoptionally supplied for all shelf light sockets.The ballasts are located in the electric box onthe lower left rear portion of the case, facingrear of case.

Service Case Flush SystemFlush systems are offered only on LLF casesto provide a convenient and effective meansof maintaining case cleanliness. The systemmay be operated either manually by a handvalve or automatically using a solenoid and atime clock. The flush water is drained fromthe case via the normal drain path.

Water is supplied to the system through apressurized water connection to a domesticwater supply. The water is fed to a nozzlearray which provides even flushing through-out the case interior. It is recommended to

flush cases at least once a day. Flush timevaries depending on the specific case needs.

1. Position the manifold (1) near the rearcase wall and secure with manifoldanchor clamps (2).

2. Cut a hole in the case well just largeenough to connect manifold to ½” PVCwater supply piping (3).

NOTE

A suitable water supply must be down-stream of the isolation valve.

3. Install isolation valve (4) (hand or sole-noid) and manifold (1) to water supplypiping (3).

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Page 20 October, 1996

4. Caulk the area where the water supplypiping (3) enters the case well to preventwater leakage during system flushing.

Top Mounted Scale ShelfInstallationThe optional scale shelf is mounted to the

mullion on the back of the case. The shelfrests on the flat portion of the top of the case.Use the follow instructions to mount the scaleshelf assembly.

1. Remove the screws (1) and rear cover (2)

from the scale shelf assembly (3).

2. Center the scale shelf assembly (3) on thetop rear of the case (4) at the selectedmullion (5) location.

3. Loosen wing nut (6) on the front right sideof the lower rear support (7) and the twolocking capscrews (8) at the rear.

4. Adjust scale shelf (3) to sit level fromfront-to-rear and side-to-side. When theshelf is level, retighten the wing nut (6)and the two locking capscrews (8).

5. Drill pilot holes in the top two holes in thelower rear support (7), and start twoscrews (9). Check for proper shelf align-ment, then tighten two screws (9).

6. Drill pilot holes thru lower two holes inlower rear support (7) and secure withtwo screws (9).

7. Replace rear cover (2) and screws (1) onscale shelf assembly (3).

SERVICE INSTRUCTIONS

Light Servicing

See “General I&S Manual” for T-8 lamp, fanblade and motor (LLD only), and colorband and bumper replacement instruc-tions.

Ballast and Lighting Locations

All light ballasts are located in the electric boxon the left end of the rear of the case.

In order to retain safety approval withUnderwriters Laboratory and the CanadianStandards Association, the mounting of elec-trical components and interconnecting wiresmust not deviate from the following instruc-

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Installation & Service Manual LLM, LLF, LLD

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tions. Only qualified personnel are autho-

rized to install the accessory items. TYLERRefrigeration recommends you order all com-ponent parts from its Service Parts Depart-ment.

Ballast Installation

1. Remove cover from electric box (1) locat-ed on the left rear side of the case.

NOTE

If tappit screws are not available, a star-washer should be used between the bal-last and the heads of the screws.

2. Install required number of ballasts (2) inelectric box (1) with two screws (3) each.

3. Identify and connect required wiring har-nesses (upper, lower, etc...) to the ballastconnectors (4).

4. Replace cover on electric box (1).

Anti-Sweat Replacement

LL(M/F/D) cases have a front glass anti-sweatheater. Use the following instructions toreplace an anti-sweat heater.

WARNING

Shut off or disconnect power supply to

case before changing an anti-sweat.Electrical power from wire ends coulddamage other components and/or causepersonal injury or death.

1. Open the lift glass and remove the bottomscreens and/or bottom trays from thecase.

2. Remove front ducts (1) and front ductsupports (2) from the case.

3. Drill out rivets (3) and remove screws (4)and anti-sweat cover (5) from interior sur-face of bottom glass support (6).

4. Disconnect or cut the defective anti-sweatwire (7) from the case wires.

5. Remove the aluminum tape (8) and defec-tive anti-sweat wire (7) from the anti-sweatcover (5).

6. Position new anti-sweat wire (7) on anti-sweat cover (5) and secure with new alu-minum tape (8).

7. Connect or splice the new anti-sweat wire(7) to case wires.

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LLM, LLF, LLD Tyler Refrigeration

Page 22 October, 1996

8. Install anti-sweat cover (5) under bottomglass support (6) and secure with screws(4) and rivets (3).

9. Replace all components that wereremoved to expose the anti-sweat cover.

10. Close the lift glass and restore the electri-cal power to case.

Lift Glass Replacement

NOTE

If lift glass is shattered, start with step 1,otherwise start with step 2 to replace thelift glass.

WWAARRNNIINNGG

Wear safety glasses and gloves and use atleast two people when replacing glass.Glass is heavy and weight distribution isuneven. Mishandling of glass could causebreakage and/or personal injury.

1. Pull down the glass frame clamp (1) byapplying significant force at the hingeassemblies (2). The hinge assemblies arelocated inside the rear at the top of the fix-ture. Hold hinges down until step 2 isperformed.

2 Place the metal hinge stops (3), shipped

with the glass, over the shank of the cen-ter bolt (4) at the rear of each hingeassembly (2). This prevents the hingesfrom popping upright when the lift glass isremoved.

3. While holding glass, remove screws (5)from hinges (2) and glass frame clamp(1).

4. Replace broken lift glass (6) with new liftglass (6).

5. Install screws (5) in hinges (2) and glassframe clamp (1). Tighten each hinge-screw (5) to 60 lb-in. of torque. Do notovertighten.

6. Check torque of glass frame clampsetscrews (7). It should be pre-torqued to150 lb-in. Do not overtighten.

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Installation & Service Manual LLM, LLF, LLD

October, 1996 Page 23

NOTELift glass must seal tightly to ensure prop-er operating temperatures! 5/8” replace-ment seals are available through TYLERService Parts.

7. After the lift glass has been replaced,remove the metal hinge stops (3). Makesure the lift glass wipers overlap and sealstightly against the color band.

Lift Glass Hinge Replacement

NOTE

All product should be removed from thecase and the surrounding area before mak-ing this repair.

WWAARRNNIINNGG

Do not take hinge apart! The glass assem-bly is extremely heavy and could fall with-out proper support. Glass breakageand/or personal injury could result.

1. Remove the lift glass by following theinstructions on the previous page.

2. Mark the position of the defective hinge(1) on the top interior of the case.

3. Remove screws (2) from back edge ofstainless steel top (3). Lift up and pull outon back edge of stainless steel top (3) toremove it from top of case (4).

4. Remove four screws (5) from top of case(4) and remove defective hinge assembly(1) from inside top of case (4).

5. Position new hinge assembly (1) inside

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LLM, LLF, LLD Tyler Refrigeration

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top of case (4) as marked during removaland secure with four screws (5). Afterrechecking the hinge positioning, tightenthe four screws (5) to 125 lb-in. of torque.

6. Push front edge of stainless steel top (3)

under “T” rail (6) and insert back edgebehind door frame trim. Secure stainlesssteel top (3) with screws (2).

7. Install the lift glass by following theinstructions on the previous page.

Lift Glass Edge Seal Replacement

In order to attach the rubber edge seal to thelift glass, the glass must be clean. Use rub-bing alcohol to clean the glass and the insideof the replacement trim.

1. Loosen two setscrews (1) in the glassframe clamp (2) closest to the edge of theglass. Do not remove the setscrews.

2. Remove the defective glass seal (3) bypulling out of the groove (4) in the edge ofglass.

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Installation & Service Manual LLM, LLF, LLD

January, 1997 Page 25

3. Clean the groove (4) in the edge of the glass thoroughly.

4. Beginning at the top of the edge of the glass, snap new glass seal (3) into the groove (4) by thepushing small “V”’s into the groove (4).

5. Cut off any excess glass seal (3) that extends beyond the handle (5).

6. Retighten and torque the setscrews (1). They should be torqued to 150 lb-in. Do not overtighten.

PARTS INFORMATION

Operational Parts List

Case Usage Domestic Export

Electrical Circuit 115 Volt 60 Hertz 220 Volt 50 Hertz

Case Size 6’ 8’ 12’ 6’ 8’ 12’

Fan Motor (LLD) 5125532 5125532 5125532 5222975 5222975 52229755 Watt 5 Watt 5 Watt 5 Watt 5 Watt 5 Watt

Fan Motor Brackets (LLD) 5962269 5962269 5962269 5962269 5962269 5962269

Fan Blades (7” 25° 5B) (LLD) 5236974 5236974 5236974 5236974 5236974 5236974

Rocker Switch 5961377 5961377 5961377 5961377 5961377 5961377

Rectangular Outlet 5236335 5236335 5236335 5236335 5236335 5236335

T-8 Lamp Ballast(canopy)(1-row) 5991029 5991029 5991030 9028437 9028437 9028438

(opt. can.)(2-row)(LLD) 5966635 5966635 5991030 9028439 9028439 9028438

(opt. front floor) 5991029 5991029 5991030 9028437 9028437 9028438

(opt. shelf)(per row) 5991029 5991029 5991030 9028437 9028437 9028438

Opt. 800MA Ballast (canopy) 5049140 5049140 5049140 5204859 5204859 5204859

T-8 Lampholder (canopy) 5232279 5232279 5232279 5232279 5232279 5232279

(shelf) 5092414 5092414 5092414 5092414 5092414 5092414

Opt. 800MA Lampholder(telescopic) 5614628 5614628 5614628 5614628 5614628 5614628

(stationary) 5614629 5614629 5614629 5614629 5614629 5614629

Anti-Sweat Heater Wire 5234596 5124818 5124819 5998198 5081149 5081150

Suction Solenoid Valve 5191445 5191445 5191445 5231619 5231619 5231619

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Cladding and Trim Parts List

Item Description 6’ 8’ 12’

1 Edge Seal, Glass 5246375 5246375 5246375

2 Bumper Retainer 9025052 9025058 9025061

3 Screw, Shoulder 9025833(12) 9025833(16) 9025833(24)

4 Color Band, Painted 9025232 9025233 9025234

5 Color Band Backer, Painted 9025654 9025654 9025654

6 Bumper Backer --------------- color per order ---------------

7 Bumper --------------- color per order ---------------

8 Upr. Frt. Cladding, Painted 9025129 9025130 9025131

9 Rivet 5104702(4) 5104702(5) 5104702(7)

10 Screw, Shoulder 9025833(6) 9025833(10) 9025833(12)

11 Lwr. Frt. Cladding, Painted 9025120 9025121 9025122

12 Kickplate --------------- color per order ---------------

13 Screw 5183536(6) 5183536(6) 5183536(8)

14 Kickplate Support 9041329(3) 9041329(3) 9041329(4)

15 Screw, Binding 5100217(3) 5100217(3) 5100217(3)

16 LH End Close-off, Painted 9022468 9022468 9022468

17 RH End Close-off, Painted 9022467 9022467 9022467

18 Horizontal End Trim 5211585 5211585 5211585

19 Rear Base Joint Trim 5233638 5233638 5233638

20 Screw 5619204(4) 5619204(4) 5619204(4)

21 Rear Lower Joint Trim 5233635 5233635 5233635

22 Screw 5199134(4) 5199134(4) 5199134(4)

23 Rear Upper Joint Trim 5992570 5992570 5992570

24 Screw 5199134(4) 5199134(4) 5199134(4)

25 Top Joint Trim 5234825 5234825 5234825

26 Screw 5199134(4) 5199134(4) 5199134(4)

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July, 1999 Page 27


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