Installation & Service Manual
Contents
1. 6 ER 2 Carrier VEDGIO VEO611 A United Technologies Companv REFRIGERATION vin Wantage Installation amp Service N6MHP L M HIGH PERFORMANCE MULTI SHELF MEAT DELI CRITICAL TEMP PRODUCE MERCHANDISER Medium Temperature Self Serve Display Cases This manual has been designed to be used in conjunction with the General UL NSF Installation amp Service Manual Save the Instructions in Both Manuals for Future Reference These merchandisers conform to the American National Standard Institute amp NSF International Health and Sanitation standard ANSI NSF 7 2003 PRINTED IN Specifications subject to REPLACES ISSUE PART U S A change without notice EDITION 1 06 5 07 NO 9305349 REV B 1 Tyler Refrigeration Niles Michigan 49120 TYLER N6MHP L M REFRIGERATION CONTENTS Page Specifications N6MHP Specification Sheets 4 Pre installation Responsibilities See General UL NSF 1 5 Manual Installation Procedures Carpentry Procedures 6 Case Pull Up Locations 6 Refrigeration Procedures 6 Electronic Thermostat Control 6 Electrical Procedures 7 Plumbing Procedures See General UL NSF I amp S Manual Defrost Information 7 Defrost Control2. stains baked on splatter and other light discolorations Page 12 CLEANING AGENT Soap ammonia or deter gent and water Arcal 20 Lac O Nu Lumin Wash O Cedar Cream Polish Stainless Shine Allchem Concentrated Cleaner Samae Twinkle or Cameo Copper Cleaner Grade FFF Italian pumice whiting or talc Liquid NuSteel APPLICATION METHOD Sponge with cloth then rinse with clear water and wipe dry Rub with cloth as directed on the package Apply with damp sponge or cloth Rub with damp cloth Rub with damp cloth Rub with dry cloth Use a small amount of cleaner EFFECT ON FINISH Satisfactory for use on all finishes Satisfactory for use on all finishes Provides barrier film Satisfactory for use on all finishes Satisfactory for use on all finishes if rubbing is light Use in direction of polish lines on No 4 polished finish May scratch No 2 mill and No 7 and 8 polished finishes Use in direction of polish lines on No 4 polished finish May scratch No 2 mill and No 7 and 8 polished finishes May 2007 Installation amp Service Manual TYPE OF CLEANING Heat tint or heavy discoloration Burnt on foods and grease fatty acids milkstone where swab bing or rubbing is not practical Tenacious deposits rusty discolorations industrial atmospheric stains Hard water spots and scale Grease and oil May 2007 CLEANING AGENT Paste NuSteel
3. Chart 7 Installation Procedure Check Lists See Gen UL NSF I amp S Manual Wiring Diagrams 7 N6MHPM Domestic amp Export 50 Hz Case Circuits 4 8 N6MHP L M Domestic amp Export 50 Hz Case Circuits 6 amp 8 9 N6MHP L M Domestic amp Export 50 Hz Case Circuits 12 10 Cleaning and Sanitation See General UL NSF 1 5 Manual Component Removal and Installation Instructions for Cleaning 11 Shelves and Shelf Brackets 11 Bottom WAVS scu s iex se hoe ens Enp sea ys 11 Front Air DUCIS Eh E 11 Rear Duct Panels 11 Discharge Air Honeycomb 11 DUC 2st 26s ob aa A RID aa Qed li e sce hs 11 Front Cladding 2443 2999 12 Cleaning Instructions 12 Stainless Steel Cleaning Methods 12 Page 2 May 2007 Installation amp Service Manual N6MHP L M Page General Information NSF Product Thermometer Installation 14 Radiant Heat Information 14 Radiant Heat Measurement 15 Display PracliGes s barco CS hae ates RU ER nde d es 15 Service Instructions Preventive Ma
4. LAMP BALLAST 5TH ROW TOP SHELF LIGHTS BALLAST AND HARNESS BALLAST 15 MOUNTED ON LIGHT CHANNEL 55 E z H Zw H 5 i Bee i 455 lt 15 i THE ATTACHED SOCKET COVERS MUST BE INSERTED IN EACH 558 UNUSED SOCKET FOR LIGHTED 24 SHELVES LIGHT CORRECTLY EACH COLUMN REVISION RECORD ALL CASES MUST BE GROUNDED DRAWING NUMBER 9037734 emen END OF REV _ ADDED OPTIONAL TERM REDRAWN IN OPTIONAL ELECTRONIC TEMPERATURE CONTROL OPTIONAL SHELF LIGHTING 4 ROWS 12 5 5 AL 5 ROWS 15 SHELVES CONNECT TO FANS POWER SUPPLY p H ay s if i Nu 2 120VAC d i y SOLENOID i b VALVE 2 i i ki i i i OPTIONAL NOSE LIGHTS wi NHDHP COMPONENT MATERIAL S MUST MEET THE FOLLOWING CRITERIA WHERE APPLICABLE TYLER STANDARDS 200 EP 221 233 234 8 EP 235 CFR UL94 ULA71 NEC 5 2 NSF7 NSF35 NSF51 IPPC ASME SECTION Vill AND CASES THAT USE THIS DIAGRAM N6PHP BE UL RIC OR LISTED AND CSA APPROVED Olney Ay PROCESS REQUIREMEN Page 10 May 2007 Installation amp Service Manual CLEANING AND SANITATION Component Removal and Installation Instructions for Cleaning Shelves and Shelf Brackets 1 Remove product from shelves 2 If shelf has a light unplug the light cord from the socket in the rear duct panel Completely inse
5. 5 minutes Always follow with neutralizer rinse and dry Rub with a cloth Organic solvents may be flammable and or toxic Observe all precautions against fire Do not smoke while vapors are present Be sure area is well ventilated N6MHP L M EFFECT ON FINISH Use in direction of polish lines on No 4 polished finish May scratch No 2 mill and No 7 and 8 polished finishes Use in direction of polish lines on No 4 polished finish May scratch No 2 mill and No 7 and 8 polished finishes Use in direction of polish lines on No 4 polished finish May scratch No 2 mill and No 7 and 8 polished finishes Use in direction of polish lines on No 4 polished finish May scratch No 2 mill and No 7 and 8 polished finishes Use in direction of polish lines on No 4 polished finish May scratch No 2 mill and No 7 and 8 polished finishes Use in direction of polish lines on No 4 polished finish May scratch No 2 mill and No 7 and 8 polished finishes Use in direction of polish lines on No 4 polished finish May scratch No 2 mill and No 7 and 8 polished finishes Use in direction of polish lines on No 4 polished finish May scratch No 2 mill and No 7 and 8 polished finishes Excellent removal satisfactory for use on all finishes Satisfactory for use on all finishes Satisfactory for use on all finishes Satisfactory for use on all finshes Effe
6. 6 ji 5183536 4 5183536 8 9026103 2 9029422 9025221 9311775 9023790 9040223 9023841 4 5183536 2 5183536 5 9324388 9039020 9324612 6 9025833 8 9043402 4 5183536 4 9041322 4 9311760 9025833 8 5211585 5105037 5 6 5183536 4 5183536 8 9026103 2 9025135 9025647 9023841 4 5183536 2 5183536 7 9324394 9039020 9324612 5 9025833 8 9043402 3 5183536 8 9041322 4 9300242 9025833 12 5211585 5105037 5 color per order color per order color per order color per order color per order TYLER 8 5183536 6 5183536 8 9026103 2 9029422 9029422 9025222 9025223 5636774 5203468 color per order 9025316 9025316 color per order 9023795 9023798 9040223 9040223 9025136 9025648 9023841 4 5183536 2 5183536 9 9324402 9039020 9324612 6 9025833 8 9043402 4 5183536 12 9041322 6 9300243 9025833 16 5211585 5105037 10 REFRIGERATION 12 5183536 8 5183536 8 9026103 2 9029422 9025224 5203469 9023800 9040223 9025137 9025649 9023841 6 5183536 2 5183536 12 9324407 9039020 9324612 6 9025833 8 9043402 4 5183536 16 9041322 8 9300244 9025833 24 5211585 5105037 14 May 2007 N6MHP L M Installation amp Service Manual Page 17 May 2007 N6MHP L M Operational Parts List Case Usage Electrical C
7. ATE THE 5th ROW OPTION DRAWING NUMBER 9037735 2 2 a o 2 uU lt O z L temen END OF REV JADDEDOPTIONAL TERMINAL BLOCK REORAWN IN PRO E NOTE E 10 SHELVES PANE GROUND 2 PER 6 8 CASES 4 120VAC 6 2 SUPPLY 220VAC 50HZ INTERNAT I ONAL COMPONENT MATERIAL S MUST MEET THE FOLLOWING CRITERIA WHERE APPLICABLE TYLER STANDARDS 200 EP 221 EP 233 EP 234 amp EP 235 CFR UL94 UL471 NEC NSF2 NSF7 NSF35 NSF51 IPPC ASME SECTION VIII AND BE UL RIC OR LISTED AND CSA APPROVED TERMINAL BL ma 2 5 REQUIEM A cremea FuncTion Page 9 N6MHP L M Domestic amp Export 50 Hz Case Circuits 12 Cases N6DHPA 12 FT A United Technologies Company DOCUMENT AND THE INFORMATION CONTAINEO THERE Carrier DIAGRAM WRG OC DFR BL BLU 3 LAwe Mil STANDARD Ig De etd 242255 fe REO 2 ROWS a BLU 11 8 LAMP RKA 1 Dyed EE heru BALLAST he 51 OPTIONAL 178 LIGHTS 11 8 LAMP 3rd ROW ECN 50505 TED 6 11 08 E DRAFTER CHECKER AUTHORIZATION NUMBER MODEL NAME 1 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES CAD MODEL INTERNAL USE ONLY Design WHT BLES ENGINEERING REQUIREMENTS BLU DRAWING RELEASE LEVEL 4
8. E APPLICABLE TYLER STANDARDS 200 EP 221 EP 233 EP 234 amp EP 235 CFR UL94 ULA71 NEC NSF2 NSF7 NSF35 NSF51 IPPC ASME SECTION Vili AND BE UL RIC OR LISTED AND CSA APPROVED A enmen renon amp Jormcat saret April 2008 N6MHP L M Domestic amp Export 50 Hz Case Circuits 6 amp 8 Cases STANDARD 0 0 l J T 8 LIGHTS 2 ROW 4 ZCIZE LAMPI Fd _ m 9 BALLAST RED BLu BLU REO CANOPY LIGHTING 5TH ROW TOP SHELF LIGHTS BALLAST AND HARNESS BALLAST 15 MOUNTED ON LIGHT CHANNEL THE ATTACHED SOCKET COVERS MUST BE INSERTED IN EACH OCKET FOR LIGHTED LIGHT CORRECTLY IN EACH COLUMN OR ROW OPTIONAL SHELF LIGHTING 4 ROWS SHELVES 5 ROWS CONNECT TO FANS VENT ik 5 jsova l SOLENOID v i SOLENOID VALVE Q OPTIONAL ELECTRONIC TEMPERATURE CONTROL 4 FAN MOTORS OPTIONAL NOSE LIGHTING Mav 2007 N6PHP CASES CANNOT N6DHP A 6 amp 8FT SIZE DRAWING NUMBER A United Technologies Company DIAGRAM WRG OC DFR 9 NOTES CASES THAT USE THIS SCHEMATIC TOLERANCES ON 015 AUTHORIZATION NUMBER 20tec 03 ECN 50505 ENGINEERING ENGINEERING REQUIREMENTS UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES 1DEC Design 4 wa DRAWING RELEASE LEVEL THIRD ANGLE PROJECTION SURFACE FINISH RELEASE LEVEL REVISION RECORD ACCOMMOD
9. ctive on tenacious deposites or where scale has built up Satisfactory for use on all finishes Page 13 NGMHPIL M TYLER REFRIGERATION Use of proprietary names is intended only to indicate a type of cleaner and does not constitute an endorsement nor is omis sion of any proprietary cleanser to imply its inadequacy It should be emphasized that all products should be used in strict accordance with instructions on package In all applications a sponge or fibrous brush or pad are recommended DO NOT use ordinary steel wool steel brushes chlorine bleach or products containing bleach for cleaning or sanitizing stainless steel GENERAL INFORMATION NSF Product Thermometer Installation 1 Unwrap the thermometer and bracket assembly shipped loose with the case NOTE Recommended bottom tray position is with the lips up 2 Position bracket in front left corner of the left most bottom tray Making sure the bracket is flush with the left edge use the bracket holes as a template for where to drill the holes 3 Drill two 196 holes in the bottom tray NOTE For ease of installation position the wash ers and capnuts on the top side of the bracket and bottom tray 4 Mount the bracket to the bottom tray with two screws washers and capnuts Page 14 Radiant Heat Information A wide temperature range is shown for each type of lighting This data does not show all situations Many situations wi
10. d outlet pipe Electri il Aptil 2008 Page 5 N6MHP L M INSTALLATION PROCEDURES Carpentry Procedures a B amp D Case Pull Up Locations All models have four pull ups at each end of the case Pull ups A B C and D are located as shown and should be installed and tightened starting with A and finishing with D See General UL NSF I amp S Manual for line up assembly instructions Refrigeration Procedures Refrigeration system and superheat instruc tions can be found in the General UL NSF 1 5 Manual Case electronic temperature control information is listed below Electronic Temperature Control Whenever an N6MHP uses an electronic thermostat and solenoid valve for temperature control use the following instructions to properly set up the electronic thermostat Setting the Electronic Thermostat 1 Remove the four screws and cover from the electronic thermostat 2 Connect sensor wires to the common COM and sensor SEN terminals of the terminal strip located at the top left of the printed circuit board The sensor leads are interchangeable Page 6 TYLER REFRIGERATION Heating Cooling Mode Cut out 4 at Setpoint ul gt Cut in at Setpoint Unlocked 7 Locked 3 Set the Heating Cooling jumper blocks to the COOL position 4 Set the Cut in at Setpoint Cut out at Setpoint jumper blocks to the Cut
11. d remaining front components in reverse order Cleaning Instructions WARNING TYLER Refrigeration does not recommend the use of high pressure cleaning equipment on display cases High pressure cleaners can penetrate and or damage joint seals Damaged seals allow water leaks and or air leaks that can cause poor case refrigeration CAUTION When cleaning this case try not to introduce water into the case faster than it can be carried away by the waste outlet Liquid chlorine bleach is corrosive to metals The use of bleach or products containing bleach will damage metal surfaces and void the case warranty e Sanitize the case with Quaternary Ammonium Solutions ex KAYQUAT II J 512 Sanitizer SANIQUAT 512 etc approved per 21CFR 178 1010 followed by adequate draining and air drying These solutions may be obtained from Kay Chemical Co Johnson Wax Professional Coastwide Laboratories etc Always use a soft cloth or sponge with mild detergent and water to clean any glass Never use abrasives or scouring pads to clean glass They can scratch and or damage the glass See General UL NSF I amp S Manual for case cleaning instructions Stainless Steel Cleaning Methods The cleaning data in the following stainless steel cleaning chart was supplied by AISI The information was supplied by Prime Metals Division Alumax Aluminum Corporation TYPE OF CLEANING Routine cleaning Smears and finger prints Stubborn spots and
12. he surface temperature of the meat Bacteria and molds grow when surface temperatures rise above 45 F This prematurely discolors displayed meats and causes unnecessary meat department losses Radiant Heat Measurement Place two accurate dial thermometers side by side in a case Cover one of the thermometer stems with black friction tape The tempera ture difference is the approximate amount of radiant heat A change in display lighting or a reduction of high ceiling temperatures over 80 F could reduce the radiant heat in the case Display Practices 2 to 6 F at Encourage butchers to maintain all meat below the case load lines and to eliminate product voids Case screens could be covered in some instances to keep the refrigerated air over the display CAUTION The quality damage done to meat products by high temperatures and or contamination during delivery cooler storage cutting and wrapping cannot be repaired by placing the products into properly operating dis play cases SERVICE INSTRUCTIONS See General UL NSF I amp S Manual for T 8 lamp canopy ballast fan blade and motor and color band and bumper replacement instructions Ballast and Lighting Locations Voids in display raise surface temperature of package in front of void 2 to 6 All light ballasts are located under the canopy and mounted above or on the top of the May 2007 NGMHPIL M light channel This i
13. ical Procedures Electrical Considerations CAUTION Make sure all electrical connections at components and terminal blocks are tight This will prevent burning of electrical termi nals and or premature component failure NOTE Raceway covers will be shipped loose See the General UL NSF I amp S Manual for raceway cover installation and removal instructions January 2006 N6MHP L M Case Fan Circuit This circuit is to be supplied by an uninter rupted protected 120V circuit The case fan circuit is not cycled Fluorescent Lamp Circuit Case lighting is supplied by T 8 electronic bal last lights The standard lighting is 1 row of T 8 canopy lights Defrost Information See General UL NSF I amp S Manual for operational descriptions for each type of defrost control Defrost Control Chart Defrost Defrost Defrosts Duration Type Per Day Min Off Time 6 26 w shelves 26 minutes is for EPR only Defrost duration increases by 4 minutes when controller methods do not include an EPR valve WIRING DIAGRAMS ELECTRICIAN NOTE OVERCURRENT PROTECTION 120V circuits should be protected by 15 or 20 Amp devices per the requirements noted on the cabinet nameplate or the National Electrical Code Canadian Electrical Code Part 1 Section 28 208V defrost circuits employ No 12 AWG field wire leads for field connections On remote cases intended for end to end line ups bonding for ground may rely up
14. intenance See General UL NSF 1 5 Manual Ballast and Lighting 15 Removing Metal Edge Trim 15 Parts Information Cladding and Trim Parts List 16 Operational Parts 5 18 Revision Log i RO CADRE eee 19 TYLER Warranty See General UL NSF 1 5 Manual The following High Performance Medium Temperature Multi Shelf Meat Merchandiser models are covered in this manual MODEL N6MHPL N6MHPM May 2007 DESCRIPTION 8 amp 12 HIGH PERFORMANCE MEDIUM TEMP MEAT MERCHANDISER WITH 18 FRONT 8 amp 12 HIGH PERFORMANCE MEDIUM TEMP MEAT MERCHANDISER WITH 22 FRONT Page 3 TYLER N6MHP L M REFRIGERATION SPECIFICATIONS N6MHP High Perf Meat Deli Critical Temp Produce Merchandiser Specification Sheets Refrigeration Data FEE amem CAPACITY BTUH FT e vnl ceram DISCHARGEAR AIR AVG REF CHARGE MODEL F F TEMPERATURE Tae Ect E 6 8 12 MED TEMP wu pem 4 6 8 12 MEDTEMP 1421 1 594 24 322 _ 8__ 258 057 data listed for cases with 2 rows of 8 canopy lights optional 4 rows of lighted shelves and 1 row of nose lights Adjustments must be made to this base rating for each option installed on this case DEDUCT 23 BTUH FT for each row of unlighted shelves Fo
15. intended as a reference for system sizing and configuration purposes only and for use by persons having technical skill at their own discretion and risk Conditions of use are outside of Tyler s control and we do not assume and hereby disclaim any liability for results obtained or damages incurred through application of or reliance on the data presented including but not limited to specific energy consumption with any particular model or installed application SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE Page 4 April 2008 Installation amp Service Manual N6MHP L M N6MHP CROSS SECTION je 43 5 1 2 Top Sheff Slot AA k Optional 1 3 4 12 Mirror ol gent E 51 3 4 16 IE Med Front 5 55 1 2 79 59 3 4 54 58 Low Front 187 5 E E 1 5 8 18 31 1 2 Shelf Slot ia gi 1 8 NOTE Front height is 19 1 4 and tr 33 HPL with nose light 40 1 2 3 43 1 2 FLOOR PLAN ALLOW 3 SPACE between the back of this case and the store wall other cases or coolers to minimize possible condensation problems Add 1 1 2 FORCED VENTILATION may be necessary in some situations for Standard i 4 6 8 or 12 Patch End 1 3 1 2 Case length ee gt 3 x 5 Rear piping E NIE 32 POPE 2 1 2 Clearance Base legs access area Base efrigeration between bottom 38 43 1 8 Suction of drain pipe 1 PVC waste OA 3 8 Liqui
16. ircuit Case Size Fan Motors Fan Motor Brackets Fan Bracket Plate Fan Blades 8 75 40 5B Ballast T 8 shelf lamps Ballast 5th row shelf lamp T 8 Shelf Lampholder Light Switch NSF Product Thermometer 4 9458944 23 Watt 9305524 9041077 9038994 5966635 5991029 5232279 5100565 5967100 Domestic 115 Volt 60 Hertz 6 9458944 23 Watt 9305524 9041077 9038994 5966635 5991030 5232279 5100565 5967100 8 9458944 23 Watt 9305524 9041077 9038994 5966635 5991029 5232279 5100565 5967100 TVLER REFRIGERATION 12 9458944 23 Waitt 9305524 9041077 9038994 5966635 5991030 5232279 5100565 5967100 For information on operational parts not listed above contact the TYLER Service Parts Department Page 18 May 2007 Installation amp Service Manual N6MHP L M Revision Log This log sheet is intended to track both major and minor revisions to this manual and to describe what the nature of the revision is Revision identification is located in the lower right corner of the cover page Major revisions are lettered alphabetically dated accordingly and require reprinting for inclusion with the product at shipment Minor revisions are denoted after the major revision with a period followed by a sequential number and do not require a printed update All manuals with any revision changes will be avail able in electronic PDF format on the Tyler Refrigeration website C
17. ll have higher package warm up figures than indicated It is generally known that the temperature of displayed meat in refrigerated cases will run higher than the circulated air temperature of HEATING EFFECT OF VARIOUS TYPES OF LIGHTING AND INTENSITIES ON PACKAGED MEAT IN OPEN DISPLAY CASES HEAT ADDED TO MEAT SURFACE FROM LIGHT ALONE HEAT ADDED TO MEAT SURFACE FROM LIGHT ALONE 50 100 250 LIGHT LIGHTING INTENSITY IN FOOT CANDLES AT MEAT LEVEL HOW CEILINGS OVER OPEN MEAT CASES AFFECT PACKAGED MEAT CEILING TEMPERATURE DEGREES F CEILING TEMPERATURE DEGREES F oF 2 4 6 19 12 MEAT SURFACE TEMPERATURE RISE FROM RADIANT HEAT the cases A dial thermometer stuck into the center of a piece of meat compared with one in the air stream quickly confirms this fact Another fact is that the surface temperature of the meat will be higher than the center temperature due to radiant heat TYLER s ongoing research identifies sources of radiant heat and accurately measures and records it These charts were developed from the information gathered during this research Two major sources of radiant heat are from May 2007 Installation amp Service Manual display lights and ceiling surfaces Additional heat sources come from bad display practices which either overload the case with product or allow voids in the product display Poor display practices impair the efficiency of the refrigeration adding to t
18. ncludes remote ballasts for optional shelf lights and optional nose lights light s are under the light channel in the top of the case The optional shelf lights are mounted under the top interior liner above each shelf section Canopy amp Shelf Ballasts Canopy Lamps e Shelf Lamps a Removing Metal Edge Trim For those who have chosen a metal trim option on Tyler patch ends the edge trim can be easily removed and reinstalled or replaced The diagrams below show the locations of two screws on the top and bottom of each piece of metal trim Locate and unscrew the fasteners first then carefully pull the edge trim from the end Page 15 NGMHPIL M PARTS INFORMATION Cladding and Trim Parts List Item Description 1 Screw 2 Screw 3 End Cover 4 Canopv Joint Trim 5 Canopv Hood Ptd 6 Front Panel 7 Hand Rail Bumper Retainer 8 Hand Rail Backer 9 Bumper End Trim 10 Color Band Ptd 11 Color Band Backer Ptd 12 Bumper Backer 13 Bumper 14 Front Cladding Ptd N6MHPL N6DHPM 15 Raceway Cover 16 Raceway Cover Retainer 17 Screw per retainer 18 Screw 19 Raceway Cover End Trim 20 Raceway Cover Backer 21 Metal Kickplate Ptd Kickplate Joint Trim Ptd Not Shown Screw Not Shown 22 Shoulder Screw 23 Kickplate Support Assy 24 Screw 25 Raceway Support 26 Raceway 27 Screw Shoulder 28 Horizontal End Trim 29 Rivet 1
19. on the pull up bolts The following wiring diagrams on pages 8 9 and 10 will cover the N6MHP case circuits The defrost and lighting circuits are covered in the case circuit diagrams Page 7 N6MHPM Domestic amp Export BO Hz Case Circuits 4 Cases CIEERIAWBI STANDARD M au 258649 5 22123 2 ROWS eb 2 BLU ree rl RED BLU BALLAST RED NOSE LIGHT T8 BALLAST 8 BL T CTR BLU CANOPY LIGHTING THE ATTACHED SOCKET COVERS EACH EACH COLUMN OR ROW SHELF LIGHTING 4 ROWS 4 SHELVES 5 ROWS 5 SHELVES FAN PANE GROUND VALVE Hd LI 1 O OPTIONAL ELECTRONIC TEMPERATURE CONTROL FAN MOTOR 1 PER 4 CASES NOSE LIGHTING Page 8 SHELF OPTION A United Technologies Company DIAGRAM WRG OC DFR N6DHPL4 N6MHPM4 UNLESS OTHERVASE SPECIFIEO DIMENSIONS ARE IN INCHES WITH METRIC CONVERSIONS IN MILUMETERS 10 2DEC 3DEC t MATERIAL ENGINEERING REQUIREMENTS ORAWING RELEASE LEVEL PROJECTION THIRD ANGLE Z em a _ gt 0 o ER s venen END OF nnn ADDED OPTIONAL TERMINAL BLOCK REDRAWN IN PRO E NOTE wie wr empor como DRAWING NUMBER 9039669 RELEASE LEVEL OPTIONAL TERMINAL BLOCK 120VAC 60 2 SUPPLY 220VAC SOHZ INTERNAT ONAL COMPONENT MATERIAL S MUST MEET THE FOLLOWING CRITERIA WHER
20. ontent changes that determine the type of revisions are decided on a case by case basis by Tyler internal management This revision log was created in October of 2008 REVISION TYPE TYPE DATE MAJOR MINOR DESCRIPTION RESULTS Oct 2008 B Changed wiring diagrams added terminal blocks to electrical Update Service Instructions added metal edge trim replacement October 2008 Page 19
21. or DuBois Temp Cooper s Stainless Steel Cleaner Revere Stainless Steel Cleaner Grade F Italian pumice Steel Bright Lumin Cleaner Zud or Restoro Pennv Brite or Copper Brite Pennv Brite or Copper Brite Paste NuSteel or DuBois Temp Revere Stainless Steel Cleaner Allen Polish Steel Bright Wvandotte or Zud Easy Off De Grease lt 4 696 hot solution of such agents as trisodium tripolyphospate or 5 1596 caustic soda solution Oakite No 33 Dilac Texo 12 Texo N Y Flash Klenz Caddy Cleaner Turco Scale 4368 or Permag 57 Vinegar 596 oxalic acid 5 sulamic acid 5 1096 phospheric acid or Dilac Oakite No 33 Texo 12 or Texo N Y Organic solvents such as carbon tetrachloride tri chlorethylene acetone kero sene gasoline benzene alcohol and chlorethane n u APPLICATION METHOD Rub with dry cloth Use a small amount of cleaner Apply with damp sponge or cloth Rub with a damp cloth Rub with a dry cloth Use a small amount of cleaner Rub with a dry cloth Rub with dry cloth Use a small amount of cleaner Apply with a damp sponge or cloth Rub with a damp cloth Apply generous coating Allow to stand for 10 15 min Repeated application may be necessary Swab and soak with clean cloth Let stand 15 minutes or more according to direc tions on package Rinse and dry Swab or wipe with a cloth Rinse with water and dry Swab or soak with a cloth Let stand 10 1
22. out at Setpoint position 5 Set the keypad Locked Unlocked jumper blocks to the Unlocked position 6 Replace the electronic thermostat cover and secure with four screws Fahrenheit Celsius Symbol Heating Cooling Mode Icon LED Up Button 7 To adjust the setpoint a Push the Menu Button SP will flash on the LCD display b Push the Menu Button one more time and a setpoint temperature will be dis played May 2007 Installation amp Service Manual c Push the Up or Down Button until the desired setpoint is displayed N6MHP w shelving d Push the Menu Button 8 To adjust the differential a Push the Menu Button SP will flash on the LCD display b Push the Down Button until DIF is shown on the LCD display c Push the Menu Button one more time and a differential number will be dis played d Push the Up or Down Button until the desired differential setting is displayed N6MHP all applications 2 F d Push the Menu Button With the cooling mode selected the differential is ABOVE the setpoint The relay will energize and the LED indicator will illuminate when the temperature reaches the differential setting When the temperature drops to the setpoint the relay and LED indicator will de energize and refrigeration will stop 26 F The settings above are specific to TYLER N6MHP cases Other applications will require different setpoints and differentials Electr
23. r sizing all refrigeration equipment other than TYLER use conventional BTUH values Evaporator temperature is defined the saturated suction temperature leaving the case Air velocity measured 1 hour after defrost at the top discharge air duct using ALNOR JR velometer with a scoop FOR SPECIFIC COMPRESSOR SIZING INFORMATION REFER TO TYLER APPLICATIONS FOR RACK SYSTEM COMPRESSORS AND OR THE COMPRESSOR MANUFACTURERS FOR SINGLE COMPRESSORS FOR LINE SIZING INFORMATION REFER TO THE MISCELLANEOUS SECTION BUFF IN THE TYLER SPECIFICATION GUIDE Electrical Data Fans and Heaters 120 Volt Fi FANS ECM FANS ANTI SWEATS oss so oso 120190190 108 1 amp 4 192 l 28 0501501 231 302 L NeMHP LM 12 0 70 1 40 84 168 1 35 1 80 240 2 85 162 216 288 342 070 84 4 95 594 Standard lighting for this case is 2 rows of T 8 canopy lights Defrost Data I cw AIR SENSOR SETTINGS SETTINGS COMPRESSOR SETTA EC DEFROST DEFROST DEFROSTS R22 PSIG WATER TYPE PER DAY CUT N CUT OUT a yon A LB FT DAY TIME OFF 6 26 MEDTEMP Ferrer p le p 46 a 739 Ali high performance cases use OFF CYCLE defrost NOTE 26 minutes is for EPR with suction stop for defrost isolation Defrost times increases by four minutes 30 min total when defrost isolation is by pump down f EPR is utilized use the settings shown in the chart NOTE The customer will need to se
24. rt socket cover in the light socket to protect the receptacle 3 Push shelves back and then lift up and out to remove them from the shelf brackets 4 Remove shelf brackets from slots in rear uprights 5 After cleaning replace in reverse order Bottom Trays 1 Remove product from bottom of case 2 Grasp and lift out each of the bottom trays from the case interior 3 After cleaning replace in reverse order Front Air Ducts 1 Remove lower trays see this page 2 Lift out front air duct sections 3 After cleaning replace in reverse order Rear Duct Panels w o Shelf Light Sockets 1 Remove shelves and bottom trays see above 2 Remove mounting screws and rear duct panels from case 3 After cleaning replace and secure rear duct panels in reverse order with Shelf Light Sockets 1 Remove shelves and bottom trays see above 2 For cases with 5 rows of lighted shelves remove screw above top shelf socket and push socket assembly back through the hole in the rear duct panel 3 Remove mounting screws from rear duct panel January 2006 N6MHP L M 4 Slowly lift out rear duct panel until the shelf harness connector near the top of the panel can be accessed 5 Disconnect shelf harness connector and complete removing the rear duct panel WARNING Rear duct panels with electrical receptacles can be cleaned without removing the elec trical receptacles Do not get moisture on electrical wires
25. t the EPR on the parallel rack or single unit to the appropriate suction temperature and the cases must be on a separate suction stub with a separate EPR ADD 0 5 to EPR setting for each 1000 foot rise in elevation Required setup for a conventional unit uses an electronic thermostat to assure accurate temperature control CASE TO CASE SUCTION LINE SUB FEED BRANCH LINE SIZING MODEL 4 6 e iz 16 20 24 sz 3e 4v sz s eoe ome se sen se eor vu vue saae ne se 384 ww ve r CASE CIRCUITS This case requires a 120V circuit for fans and lights Screens are standard Shelving must be ordered separately All rows of shelving require a shelf gasket Shelves are available 15 16 and 18 deep sizes When multiple shelf sizes are used position smallest shelf size on top to largest shelf size on bottom When mirrors are used only 12 wide mirrors are allowed NOTE 1 or 2 rows of discharge holes must be left open between the top shelf and bottom of mirror UL SANITATION approved in accordance with ANSI NSF 7 CASE BTUH REQUIREMENTS are calculated to produce approximately the indicated entering air temperature with absolute maximum operating ambient limits of 75 F amp 55RH The information contained herein is based on technical analysis and or tests performed in a controlled lab environment that are consistent with industry practices and is
26. when cleaning under this cover Moisture on wires could cause pre mature product failure and or personal injury or death from electrical shock 6 After cleaning reconnect the shelf harness connector install the top socket assembly replace and secure rear duct panels in reverse order Discharge Air Honeycomb 1 Loosen screws securing rear retainer plate NOTE Note position of the honeycomb grid during removal so it can be reinstalled the same way 2 Slide rear retainer plate back until the honeycomb grid sections can be removed from the top duct CAUTION Improper installation of the honeycomb grid section could result in improper air flow and or poor refrigeration 3 After cleaning replace honeycomb grid sections as they were removed and secure with the rear retainer plate and screws Top Duct 1 Remove shelves and shelf brackets see above 2 Remove screws rear retainer plate and honeycomb grid sections from top of case 3 Remove screws and top duct from case 4 After cleaning replace top duct and remaining components in reverse order Page 11 TYLER N6MHP L M REFRIGERATION Front Cladding 1 Remove front kickplate and raceway cover See General UL NSF I amp S Manual 2 Remove color band bumper and bumper retainer from the case See General UL NSF I amp S Manual 3 Remove screws for top and bottom of front cladding and remove cladding 4 After cleaning replace front cladding an
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