Installation & Service Manual
Contents
1. 19 General Information NSF Product Thermometer Installation 21 Egg Merchandiser Kit 21 Removing Metal Edge Trim 21 Peg Bar Information t sue te Meek Caf ox 22 Peg Bar Information for Cannon Magna Peg Bar Display Systems LIES 23 Rear Load Air Close Off Information N6DHPLR N6DHPMR 24 Service Instructions Preventive Maintenance See General UL NSF I amp S Manual Ballast and Lighting 24 Parts Information Operational Parts EISE Ue eed ed 25 Cladding and Trim Parts List 26 Revision L Q ues Ee rea Pom eee Re ee 28 TYLER Warranty See General UL NSF I amp S Manual The following High Performance Medium Temperature Multi Shelf Dairy Deli Produce and Juice Merchandiser models are covered in this manual MODEL N6DHPLA N6DHPMA N6DHPHA N6DHPLR N6DHPMR N6DNHPL March 2008 DESCRIPTION 4 6 8 amp 12 HIGH PERF MED TEMP MERCHANDISER WITH 18 FRONT 4 6 8 amp 12 HIGH PERF MED TEMP MERCHANDISER WITH 22 FRONT 6 8 amp 12 HIGH PERF MED TEMP MERCHANDISER WITH 26 FRONT 8 amp 12 HIGH PERF MED TEMP MERCHANDISER WITH 18 FRONT AND REAR DOORS 8 amp 12 HIG2. 37 1 4 7 1 2 NOTE Front height is 19 1 4 and tray depth is 23 3 8 for 3 N6DNLHP with noselight 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 E 4 6 8 or 12 Patch End 1 Case length Optional 3 25 3 4 m rear piping Base 2 1 2 Clearance Base legs access area 31 Refrigeration between bottom 37 3 4 apan 1 PVC waste i 7 8 Suction of drain pipe 4 fo uti et pi pe_____ Electi 4 Front of case March 2008 Installation amp Service Manual INSTALLATION PROCEDURES Carpentry Procedures Case Pull Up Locations A Cr amp D All NGDHPA N6DHPR and N6DNHPL 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 NOTE If extra pull up bolts are needed use the bolts from the side shipping supports See General UL NSF I amp S Manual for line up assembly instructions March 2008 N6DHP L M H A N6DHP LR MR NGDNHPL Joining Rear Load Cases to Coolers N6DHPLR and N6DHPMR only For U L and temperature performance requirements NEDHPLR and NGDHPMR cases must be backed by a refrigerated area TYLER walk in coolers
3. 10 Electrical 11 Electrical Considerations 11 Case Fan Circuit sss ua diea x Exc EX KR a 11 Fluorescent Lamp 11 Plumbing Procedures See General UL NSF I amp S Manual Defrost Information 11 Defrost Control Chart 11 Installation Procedure Check Lists See Gen UL NSF I amp S Manual Wiring Diagrams 11 N6DHP L M H A amp N6DHP LR MR Domestic amp Export 50 Hz Case Circuits 12 N6DNHPL Domestic amp Export 50 Hz Case Circuits 15 Cleaning and Sanitation See General UL NSF 1 5 Manual Component Removal and Installation Instructions for Cleaning 18 Shelves and Shelf Brackets 18 Bottom MAYS xis due ERE EE Res s kamaq eee 18 FONLAI DUG ee aa PERRA XU EPA ES ai 18 Rear Duct Panels 18 Discharge Air Honeycomb 18 TOD DUCE PDT 18 Front Cladding 19 June 2008 N6DHP L M H A Installation amp Service Manual N6DHP LR MR NGDNHPL Page Cleaning Instructions 19 Stainless Steel Cleaning Methods
4. N6DHPMR Z Carrier 0637 0638 United Technologies Company REFRIGERATION Wantage Installation amp Service VA les N6DHP L M H A NGDHP LR MR NGDNHPL HIGH PERFORMANCE MULTI SHELF 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 This merchandiser conforms 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 8 07 DATE 3 08 NO 9037176 REV G 1 Tyler Refrigeration Niles Michigan 49120 N6DHP L M H A TYLER Page 2 N6DHP LR MR NGDNHPL REFRIGERATION CONTENTS Page Specifications N6DHPLA NGDHPMA N6DHPHA NGDHPLR N6DHPMR Specification 4 N6DNHPL Specification 7 Pre installation Responsibilities See General UL NSF I amp S Manual Installation Procedures Carpentry Procedures 9 Case Pull Up Locations 9 Joining Rear Load Cases to Coolers 9 Refrigeration Procedures 10 Electronic Thermostat Control
5. J LAMP BALLAST CANOPY 15 ROW LIGHTED SHELF OPTION THE ATTACHED SOCKET COVERS MUST BE INSERTED IN EACH UNUSED SOCKET FOR LIGHTED SHELVES TO LIGHT CORRECTLY EACH COLUMN OR ROW THE ATTACHED SOCKET COVERS MUST BE INSERTED IN EACH UNUSED SOCKET FOR LIGHTED SHELVES TO LIGHT CORRECTLY EACH COLUMN OR ROW SHELF LICHTING 4 ROWS 5 ROWS 4 SHELVES S SHELVES 120 220VAC i SOLENOID i NO SOLENOID VALVE ELECTRONIC TEMPERATURE CONTROL OPT ONAL FAN MOTOR 1 PER 4 T 8 LAMP OPTIONAL NOSE LIGHTS March 2008 LTz8 LAWP t PIDE 2 CCEEIAEI 4 d LU RE 0 LO O O 2 BLU 4 ROW LIGHTED SHELF OPT ON CASES 030 ANGLES ADDEO THE SHELF LIGHTS DECIMALS GROUNDED CASES MUST BE gt ALL NOT 120VAC SUPPLY OR 60HZ 220VAC 5 INTERNATIONAL Page 15 N6DNHPL Domestic amp Export 50 Hz Case Circuits 6 amp 8 Cases 4 CB TAME TEE LAWPI STANDARD i 12525 1 GHTS E CE 2 ROW 4 CIA TAME d 1 H L RED 51 BLK y BLK T B BALLAST z REO 6LU BLU dE y LR EU CANOPY LIGHTING LAMP ALLAST Tue eer B 9055764 Hh E DIAGRAM WRG OC DFR N6DNHP 6 amp 8FT DEEE Visos ALLON
6. 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 TYLER REFRIGERATION 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 Effective on tenacious deposites or where scale has bu
7. 9324402 9025833 8 9043402 4 5183536 12 9041322 6 9300243 9025833 16 12 5183536 8 5183536 8 9026103 2 9029422 9025224 5203469 9023800 9040223 9025137 9025649 9025651 9025649 9025651 9025137 9023841 6 5183536 2 5183536 12 9039020 9324407 9025833 8 9043402 4 5183536 16 9041322 8 9300244 9025833 24 March 2008 N6DHP L M H A Installation amp Service Manual N6DHP LR MR NGDNHPL Item Description 4 6 8 12 29 Horizontal End Trim N6DHPA 5211585 5211585 5211585 5211585 N6DHPR eee 5211585 5211585 N6DNHPL 9311972 9311972 9311972 9311972 30 Pop Rivet 5105037 5 5105037 5 5105037 10 5105037 14 N6DHPMA ILLUSTRATED March 2008 Page 27 N6DHP L M H A TYLER N6DHP LR MR NGDNHPL REFRIGERATION 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 Content changes that determine the type of r
8. Screw Screw End Cover Canopy Joint Trim Canopy Hood Ptd Front Panel Hand Rail Bumper Retainer Hand Rail Backer Bumper End Trim Color Band Ptd Color Band Backer Ptd Bumper Backer Bumper Front Cladding Ptd N6DHPLA N6DHPMA N6DHPHA N6DHPLR N6DHPMR N6DNHPL Raceway Cover Raceway Cover Retainer Screw per retainer Screw Raceway Cover End Trim Raceway Cover Backer Kickplate Joint Trim Ptd Metal Kickplate Ptd Shoulder Screw Kickplate Support Assy Screw Raceway Support Raceway Screw Shoulder Page 26 i 5183536 4 5183536 8 9026103 2 9029422 9025221 9311775 9023790 9040223 9311746 9304843 9023841 2 5183536 2 5183536 5 9039020 9324388 9025833 8 9043402 4 5183536 4 9041322 4 9311760 9025833 8 2 gt 6 5183536 4 5183536 8 9026103 2 9025135 9025647 9300395 9025135 9023841 2 5183536 2 5183536 7 9039020 9324394 9025833 6 9043402 3 5183536 8 9041322 4 9300242 9025833 12 color per order color per order color per order color per order color per order 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 9025650 9025648 9025650 9025136 9023841 4 5183536 2 5183536 9 9039020
9. Shelving widths available for these cases are 15 18 and 20 When two sizes are used the smaller must be on top 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 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 March 2008 Page 7 N6DHP L M H A NEDHPILA MR NGDNHPL LEER REFRIGERATION CASE TO CASE SUCTION LINE SUB FEED BRANCH LINE SIZING _ ASETOCASESUCTONLNESUBFEEDBRANEHLNESENG uo e e e ow m jwa j jan quo sr se N6DNHPL CROSS SECTION IE N6DNHPL Sur 60 1 4 3 x5 Rear Pipin Access Area 25 1 4 w N6DNHPL x 18 25 3 4
10. The brackets are available in one position only The upper egg shelves assemblies include a rear air close off Tilted base egg shelves come in 4 modules They are designed and notched to fit inside the existing 2 bottom trays March 2008 NOTE Egg shelves are designed to catch and hold spilled liquids so they can be cleaned up before getting further into the case If the tilted base shelves are used upside down improper shelf support will result causing the middle of each shelves to sag Upside down usage also allows drippage to get into the case making cleaning very difficult Good sanitation is essential for egg merchandising 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 dia grams 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 care fully pull the edge trim from the end Page 21 N6DHP L M H A TYLER N6DHP LR MR NGDNHPL REFRIGERATION Peg Bar Information All Models The hang up blister pack has become a standard means of marketing sliced luncheon meats and other delicacies It appears that all that is needed to adapt multi shelf cases for these packages is to add peg bars and pegs However it isn t quite that simple because the removal of shelves changes more than the appearance of th
11. WATTS ames WATTS amps wants s 2 oz e so s 2 o7 T 8 Lighting with Electronic Ballasts 120 Volt CANOPY LIGHTS Pi MAX LIGHTING 2 ROWS SHELF LIGHTS PER NOSE LIGHT 3 ROWS CASE WATTS SOMMA 60 wA wA wu wA WA ua wn wa NA 22 102 Dwowwe e os oo Na NA 1 16 1 wow s 734 na wa wa NA WA wn oso so fras 74 wwe sz 140 we wA wa wa wa wa e 210 22 Standard lighting for this case is 2 rows of canopy lights Defrost Data ELEK THERMOSTAT pum CONVENTIONAL DURATION AIR SENSOR SETTINGS COMPRESSOR SETTINGS DEFROST DEFROSTS TIME WATER R22 R404A R22 PSIG R404A PSIG ser wor se eo so se All high performance cases use OFF CYCLE defrost NOTE 20 minutes is for EPR with suction stop for defrost isolation Defrost times increases by four minutes when defrost isolation is by pump down If EPR is utilized use the settings shown in the chart ADD 0 54 to EPR setting for each 1000 foot rise in elevation Recommended setup for a conventional unit uses an electronic thermostat to assure accurate temperature control SHELVING NOTES
12. 4 and tray depth is 29 5 8 3 for N6DL or N6DHPLA with noselight Case and front heights are 3 inches taller for rear vacuum drain systems 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 4 6 8 or 12 Patch End 1 3 1 2 Case length 4 rm 3 x 5 Rear piping M Optional 3 cess rear pipin 2 1 2 Clearance Base legs access pe A efrigeration between bottom 43 1 2 8 Suction of drain pipe 1 PVC waste OA outlet pipe Electri June 2008 Page 5 N6DHP L M H A TYLER N6DHP LR MR NGDNHPL REFRIGERATION N6DHPR CROSS SECTION 58 N6DHPLR 54 N6DHPMR N6DHPMR 18 21 3 4 7 1 2 NOTE To add nose light to N6DHPLR front height mustrise to 19 1 4 and 3 tray depth decrease to 29 5 8 FLOOR PLAN For 8 case length there are 2 33 rear access openings Add 1 1 2 and 3 10 x7 rear duct flues for Standard Patch End 12 Case Length 10 gt 33 38 10 gt 33 10 4 Rear duct flues 3 45 wide sliding doors 3 Rear access 10 x7 openings 2 1 2 Clearance Base legs iis Refrigeration between bottom 38 46 7 8 Suction of drain pipe 1 PVC waste DA 3 8 Liquid and mi outle
13. 6DNHPL cases Other applications will require different set points and differentials March 2008 Installation amp Service Manual Electrical Procedures Electrical Considerations CAUTION Make sure all electrical connections at components and terminal blocks are tight This will prevent burning of electrical terminals 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 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 The standard lighting for the N6DHPA N6DHPR and N6DNHPL cases is 2 rows of T 8 canopy lights Optional T 8 Nose Lighting is also avalilable on all these cases Optional T 8 shelf lighting and a third row of T 8 canopy lighting are also available on the N6DHPA and N6DHPR cases The NGDNHPL cases do not offer these options March 2008 N6DHP L M H A N6DHP LR MR NGDNHPL 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 N6DHPA front load all applications Off Time 4 18 N6DHPR rear load all applications Off Time 6 16 N6DNHPL front load all applications Off Time 6 20 18 16 or 20 minutes is for EPR on
14. D tc W Wo 45713 DECIMALS 030 ANGLES 1 DEG FAN MOTORS 2 PER 6 amp 8 CASES e A 2 2 O 14 O m 7 2 gt n uJ o lt O lt BLUE RED OPTIONAL NOSE LIGHTING NOTE 120VAC 6O0HZ SUPPLY 220VAC 50 2 INTERNAT IONAL Page 16 March 2008 N6DNHPL Domestic amp Export 50 Hz Case Circuits 12 Cases BL BLU ala I LAMP_ Ka STANDARD IEE LAMP haiu BALLAST E SUP T 8 LIGHTS E FH 2 ROWS BL ed e TE TER TANE IE TAME l au BALLAST B sau E 4 S LAMPTS AI BALLAST 78 L t L RED BLU 8 D Fia am too IAGRAM WRG DFR MS om FINISHED PART AFTER T REFRIGERATION CLAI ee LIGHTING DESCRIPTION e 334 FAN MOTORS 3 PER 12 CASES a a z 2 O O em 4 2 gt 7 lt O 4 a lt OPTIONAL ELECTRONIC TEMPERATURE CONTROL _ NOTE OPTIONAL NOSE LIGHTS 120VAC 60HZ SUPPLY OR OVAC 50HZ 22 INTERNAT I ONAL March 2008 Page 17 N6DHP L M H A N6DHP LR MR NGDNHPL 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 insert socket cover in the light socket to protec
15. EERE nae GL 2 CANOPY E Go J T J L L u DRAWING RELEASE LEVEL 5TH ROW TOP SHELF LIGHTS 68 Hi BALLAST AND 2 55 BALLAST 15 MOUNTED ON LIGHT CHANNEL THE_ATTACHED SOCKET COVERS MUST BE INSERTED EACH UNUSED SOCKET FOR LIGHTED SHELVES TO dd CORRECTLY IN EACH COLUI N6PHP CASES CANNOT ACCOMMODATE THE 5th ROW OPTION C ALL CASES MUST BE GROUNDED OWS 12 SHELVES OWS 15 SHELVES Roh eee En P OPTIONAL ELECTRONIC LE TEMPERATURE CONTROL nee END OF REV ADDED OPTIONAL TERM BLCK REDRAWN IN PRO E NOTE FAN MOTORS 3 PER 12 CASES V S BLUE WE i 1 1 8 LAMPS 4 LAUS CIA p BLU ii rS 8 mg RED OPTIONAL NOSE LIGHTS sisisisisis A sasa CASES THAT USE THIS DIAGRAM N6PHP N6MHP N6DHP N6DHPI NHDHP COMPONENT MATERIAL S MUST MEET THE FOLLOWING CRITERIA WHERE APPLICABLE TYLER STANDARDS EP 200 EP 221 EP 233 EP 234 amp EP 235 CFR UL94 ULA71 NEC NSF2 NSF7 NSF35 NSF51 IPPC ASME SECTION Vill AND BE UL RIC OR LISTED AND CSA APPROVED gemens process curea Page 14 March 2008 N6DNHPL Domestic amp Export 50 Hz Case Circuits 4 Cases AMP RED B8LU 12 L CANOPY LIGHTING NOSE LIGHT GALLAST 4595 s e w new
16. H PERF MED TEMP MERCHANDISER WITH 22 FRONT AND REAR DOORS 4 6 8 amp 12 HIGH PERF NARROW MED TEMP MERCHANDISER WITH 18 FRONT Page 3 N6DHP L M H A TYLER N6DHP LR MR NGDNHPL REFRIGERATION SPECIFICATIONS N6DHP LA MA HA LR MR High Perf Med Temp Merchandisers Refrigeration Data CAPACITY BTUH FT DISCHARGE AIR AVG REF E au um TEMPERATURE VELOCITY PARALLEL CONVENTIONAL LBSFT N6DHPLA 4 6 8 12 MED TEMP 1138 149 8 6 4 170 055 N6DHPMA 576 8 12 MED TEMP 1 092 1 150 8 54 170 055 N6DHPHA 6 8 12 MED TEMP __1 046 105 8 6 34 170 0 55 N6DHPLR 8 12 MEDTEMP 1 504 1617 8 39 176 048 N6DHPMR 8712 MEDTEMP 1 458 1 569 3208 426 31 176 0487 Capacity data listed for cases with 2 rows of T 8 canopy lights and 4 rows of unlighted 22 deep shelves Adjustments must be made to this base rating for each option installed on this case ADD 23 BTUH FT for each row of lighted shelves For cases using peg bars ADD 132 BTUH FT to parallel load or ADD 153 BTUH FT to conventional load NOTE Baffles are required above each peg bar row to provide proper air flow around the food products For sizing all refrigeration equipment other than TYLER use conventional BTUH values Evaporator temperature is based on
17. H 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 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 June 2008 N6DHP L M H A Installation amp Service Manual N6DHP LR MR NGDNHPL CASE TO CASE SUCTION LINE SUB FEED BRANCH LINE SIZING CASETO CASE SUCTION LINE SUBFEED BRANCHLINESZING e e e iz te or ja w 4 4 e N6DHPA n n n n n n N6DHPA_CROSS SECTION 58 N6DHPLA 54 N6DM N6DHPMA 50 Nepri N6DHPHA 60 1 4 15 18 20 or N6DH N6DHPHA 5 Rear Pipin Access Area 18 21 3 4 25 1 2 7 1 2 NOTES Front height is 19 1
18. PART WITHOUS HE WRITTEN AL THORIZA TION OF CARRIER CORPORATION THES OOCUMENT AND Tre PE CANA TIIN CONTARED T EREN 8 PROPRII TARY CAREER CORPORATION ANO SHALE NOT BE USED OR DISCLOSED DIAGRAM WRG OC DFR N6DHP A 6 amp 8FT SHEET 1 ort 9037735 Da 670 Ra 2 2 IONAL DRAWING RELEASE LEVEL SOHZ INTERNAT 1 ONAL Design ANG 2 TOLERANCES ON apec i03 015 AUTHORIZATION NUMBER ENGINEERING TED 6 11 08 20ec UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES toec 1 ALL CASES MUST GROUNDED NOTE MANUFACTURING ROCESS REQUIRI ADDED OPTIONAL TERMINAL BLOCK REDRAWN IN PRO E ENGINEERING REQUIREMENTS 50505 ECN NO REVISION RECORD DRAWING NUMBER 9037735 RELEASE LEVEL COMPONENT MATERIAL S MUST MEET THE FOLLOWING CRITERIA WHERE APPLICABLE UL RIC OR LISTED AND CSA APPROVED N6DHP L M H A amp N6DHP LR MR Domestic amp Export 50 Hz Case Circuits 12 Cases OF CARRER CORPORA TI i E i s N6DHPA 12 FT A United Technologies Company H H i z 3 i i i i i REATO DIAGRAM WRG OC DFR E Em lz pi STANDARD ham d EEE De ix 3 2 ROWS 9t E KA E PETRE heol Batcasr FE si ANG 2 e pe DP BLK Hi vel era rer Drd S Der dut z ii geli gle
19. PTIONAL TERMINAL BLOCK REDRAWN IN PRO E FAN NEL NOTE ELECTRONIC TEMPERATURE CONTROL FAN MOTOR 1 PER 4 CASES NOSE LIGHTING TERMINAL BLOCK Le 120VAC 6GOHZ SUPPLY 220VAC 50HZ INTERNAT I ONAL COMPONENTIMATERIALIS MUST MEET THE FOLLOWING CRITERIA WHERE APPLICABLE TYLER STANDARDS 200 221 233 EP 234 8 EP 235 CFR UL94 UL471 NEC NSF2 NSF7 NSF35 NSF51 IPPC ASME SECTION VIII AND BE UL RIC OR LISTED AND CSA APPROVED A PRocESS REQUIREMEN A cnmcAL FUNCTION E Page 12 March 2008 N6DHP L M H A amp N6DHP LR MR Domestic amp Export BO Hz Case Circuits 6 amp 8 Cases 5TH SHE BAL MARI BAI MOUN LIGHT CHANNEL STANDARD OPTIONAL o Md CEE Tae pr T B LIGHTS SCE Tae 3rd ROW ETORT RED 6LU CANOPY LIGHTING ROW TOP LF LIGHTS LAST AND NESS LLAST 15 TED ON 9o 4 az vw 225 m Fi GL E ATTACHED SOCKET COVERS SOS MUST BE INSERTED IN EACH 8 OPTIONAL SHELF LIGHTING 4 ROWS 8 SHELVES mm 5 ROWS 10 SHELVES Or Aue gt 2 5 FAN MOTORS 2 PER 6 amp B CASES OPTIONAL ELECTRONIC TEMPERATURE CONTROL qmm i EE ISI Sq E i m BLUE e REO 9 March 2008 OPTIONAL NOSE LIGHTING 120 60HZ SU PE 220 Carrier i A United Technologies Company TO OTHERS N WHOLE OR sU
20. are available with the necessary special parts and instructions to make the installation NOTE Please ensure that the cooler opening is insulated and sealed completely to the rear of the display case Cooler Opening Uber Section 77 5 8 X Length of Cases Less Patch Ends REAR LOAD Slide Doors 15 16 Insulated Space Close off Shipped Loose Page 9 N6DHP L M H A N6DHP LR MR NGDNHPL Refrigeration Procedures Refrigeration system and superheat instructions can be found in the General UL NSF I amp S Manual Case electronic temperature control information is listed below Electronic Temperature Control Whenever N6DHPA N6DHPR or NGDNHPL uses an electronic thermostat and solenoid valve for temperature control use the follow ing in structions to properly set up the elec tronic 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 Heating Cooling Mode N Rm LY 7 Heating Cooling P cut out at Setpoint b T cutin at Setpoint Keypad Lock Unlocked Locked 3 Set the Heating Cooling jumper blocks to the position 4 Set t
21. cleaning Soap ammonia or deter Sponge with cloth then Satisfactory for use on all gent 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 all prints 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 all stains baked on Cleaner cloth finishes splatter and other light discolorations 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 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 March 2008 Page 19 N6DHP L M H A N6DHP LR MR NGDNHPL 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 Page 20 CLEANING AGENT Paste NuSteel or DuBois Temp Cooper s Stainless Steel Cleaner Rev
22. e case Figure 1 shows Figure 3 depicts what happens to the air flow the air flow in in a case lull of peg bars The air falls through a Multi Deck dis openings between packages and fails to main play merchandiser tain protective with shelves Air barrier When the flow from the top bars are fully and back forms a stocked the effect protective barrier is minimized but to ambient air product tempera tures will not be as good as they could be Sweating may be noticed on the top duct panel above the bars The coil will also frost faster requir ing more frequent defrosts Figure 2 shows what happens to the air flow when the shelves are removed The air drifts back to the rear duct and swirls about This breaks the protec tive barrier caus ing the case air to mix with ambient air to a great extent Figure 4 shows the proper air flow for cases with peg bars The addition of a baffle above each row of peg bars except the top row and a bot tom shelf maintains proper air flows and temperatures in the case Non load bearing air baffles should run the same width as the peg bars CAUTION Always use one row of shelves below the lowest row of peg bars Use air baffles above each row of peg bars except the top row The air baffle should be solid in design and positioned 1 in front of the rear duct and 5 5 back from the rear edge of the card moulding This provides and maintains the protective air flo
23. e foods at the desired core product temperatures Rear Load Air Close Off Information NGDHPR Models NOTE The air close off product stops are attached to the shelves at the factory 8 cases use 32 1 2 air close offs 12 cases use 32 1 2 RH amp LH side air close offs and 37 1 4 center air close offs Shelves are shipped in the proper position If shelves are removed be sure they are Page 24 TYLER REFRIGERATION Air Closeoff Product Stop replaced in the proper order It is necessary for proper air flow in the case Omit shelf shown by dotted line for cases with only three rows of shelves 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 Canopy amp Shelf Ballasts All light ballasts are located under the canopy and mounted above or on the top of the canopy light channel This includes remote ballasts for optional shelf lights and optional nose lights if applicable The canopy light s are under the canopy light channel in the top of the case The optional shelf lights are mounted under the top interior liner above each shelf section March 2008 N6DHP L M H A Installation amp Service Manual N6DHP LR MR NGDNHPL PARTS INFORMATION Operational Parts List Case Usage Domestic Electrical Circuit 115 Volt 60 Hertz Case S
24. egs and offset support arms lock in place on the peg bar After marking the desired locations in the peg bar install the pegs into peg bar holes Hold peg at 90 angle to peg bar Insert peg into hole in peg bar Rotate peg until angled end March 2008 N6DHP L M H A N6DHP LR MR NGDNHPL points up Pull peg out until peg sits properly in the peg bar Offset support arms must be installed in the peg bar so the notches in the air baffle can fit over them Install support arms in the same manner as the pegs with offset up 3 Air Baffle Rests on the two Offset Support Arms Notches in the shelf must fit over the Support Arms 15 Offset Support Arms 2 Req d 3 Non load bearing air baffle should run the same width as the peg bar Air baffle rests on the two offset support arms The notches in the air baffle must fit over the support arms NOTE The air baffle should be solid in design and posi tioned 1 in front of the rear duct and 5 5 back from the rear edge of the card moulding 15 Offset Support Arms 2 Req d Offset Support Arm Card J ae 22 Moulding Spring Clip ey 4 Card Moulding Plastic or Brite Shiny Aluminum Slides onto the two Offset Support Arms 4 Card moulding is offset 2 in front and 3 4 above the pegs Slide the card moulding onto the two offset support arms Center the card moulding so it is aligned with the peg bar Secure the card moulding on the of
25. ere Stainless Steel Cleaner Grade F Italian pumice Steel Bright Lumin Cleaner Zud or Restoro Penny Brite or Copper Brite Penny Brite or Copper Brite Paste NuSteel or DuBois Temp Revere Stainless Steel Cleaner Allen Polish Steel Bright Wyandotte or Zud Easy Off De Grease lIt 4 696 hot solution of such agents as trisodium tripolyphospate or 5 15 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 15 minutes Always follow with neutralizer rinse and dry
26. evisions are decided on a case by case basis by Tyler internal management This revision log was created in October of 2008 REVISION TYPE DATE MAJOR MINOR DESCRIPTION RESULTS Oct 2008 G1 Changed wiring diagrams added terminal blocks to electrical Updated General Information added metal edge trim replacement Page 28 October 2008
27. fset support arms with two spring clips To remove card moulding squeeze each spring clip together until the card moulding releases Page 23 N6DHP L M H A N6DHP LR MR NGDNHPL TYLER 8 and 12 foot cases have four foot sections for merchandising 6 foot cases have three foot sections for merchandising Further guidelines for section to section merchandising are listed below There are three basic ways that peg bars are used in our cases peg bars at the same elevation TYLER recommends that peg bar rows in adjacent sections of a case including baffles be installed at the same elevation This will ensure that air flow from the perforated rear duct panels flows in and around the food products displayed on the pegs to best maintain the foods at the desired core product temperatures Peg bars at different elevations If you choose this merchandising method TYLER recommends that a vertical plexiglas partition be installed between the adjoining sections This will ensure that air flow from the perforat ed rear duct panels flows in and around the food products displayed on the pegs to best maintain the foods at the desired core product temperatures Peg bars adjacent to TYLER shelving TYLER recommends a vertical plexiglas partition be installed between the adjoining sections This will ensure that air flow from the perforated rear duct panels flows in and around the food products displayed on the pegs to best maintain th
28. he Cut in at Setpoint Cut out at Setpoint jumper blocks to the Cut 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 Page 10 TYLER REFRIGERATION 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 c Push the Up or Down Button until the desired setpoint is displayed N6DHPA all applications N6DHPR N6DNHPL all applications 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 N6DHPA all applications 1 F N6DHPR N6DNHPL 2 F all applications 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 32 F 30 F The settings above are specific to TYLER N6DHPA N6DHPR and N
29. ilt up Satisfactory for use on all finishes March 2008 Installation amp Service Manual N6DHP L M H A N6DHP LR MR NGDNHPL Use of proprietary names is intended only to indicate a type of cleaner and does not constitute an endorsement nor is omission 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 n 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 assem bly shipped loose with the case NOTE Recommended bottom tray position is with the lips up 2 Position bracket in front right 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 washers 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 Egg Merchandiser Kit All Models All egg shelves come galvanized or stainless steel The upper egg shelves are 15 x 48 and come with 82 degree fixed white brackets
30. ize 4 6 8 12 Fan Motors 9329327 9329327 9329327 9329327 16 Watt 16 Watt 16 Watt 16 Watt Opt Fan Motor Export 9458941 9458941 9458941 9458941 N6DHPA N6DNHPL 16 Watt 16 Watt 16 Watt 16 Watt Fan Motor Brackets 5205112 5205112 5205112 5205112 Fan Bracket Plate 9041077 9041077 9041077 9041077 Fan Blades 8 75 22 5B N6DHPA 9040683 9040683 9040683 9040683 8 75 35 5B N6DNHPL 5643563 5643563 5643563 5643563 8 75 37 5B N6DHPR 9305517 9305517 Opt ECM Fan Motors 9025003 9025003 9025003 9025003 N6DHPA N6DNHPL 16 Watt 16 Watt 16 Watt 16 Watt Opt ECM Fan Motor Brackets 5205112 52051 12 5205112 5205112 Opt ECM Fan Blades 8 75 15 5B N6DHPA 9302353 9302353 9302353 9302353 8 75 30 5B N6DNHPL 9407319 9407319 9407319 9407319 T 8 Ballast two lamp canopy 5991029 5966635 5966635 5991030 Opt Ballast T8 shelf lamps 5966635 5966635 59666355 5966635 NGDHPA NGDHPR Opt Ballast 5th row shelf lamp 5991029 5991029 5991029 5991030 NGDHPA NGDHPR T 8 Shelf Lampholder 5232279 5232279 5232279 5232279 Light Switch 5100565 5100565 5100565 5100565 NSF Product Thermometer 5967100 5967100 5967100 5967100 For information on operational parts not listed above contact the TYLER Service Parts Department March 2008 Page 25 N6DHP L M H A N6DHP LR MR NGDNHPL TYLER REFRIGERATION Cladding and Trim Parts List Item Description ON O O Q N 15 16 17 18 19 20 21 22 23 24 25 26 27 28
31. ly 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 upon the pull up bolts The following wiring diagrams on pages 12 through 17 will cover the NGDHPA NGDHPR amp N6DNHPL case circuits The defrost and lighting circuits are covered in the case circuit diagrams Page 11 N6DHPLA Domestic amp Export 50 Hz Case Circuits 4 Cases ST P ars 2 ROWS EE TWF ee United Technologies Company Carrier N6DHPL4 N6MHPM4 DIAGRAM WRG OC DFR DOCUMENT ANC THE CRIMATICN CONT NEC THEREIN 2 8 u RED BU NOSE LIGHT T8 BALLAST 9 BL CTR BL GRN CANOPY LIGHTING UNLESS OTHERVASE SPECIFIED DIMENSIONS ARE IN INCHES VATH METRIC CONVERSIONS IN MRLIMETERS 1DEC 2DEC 3DEC AUTHORIZATION NUMBER DRAWNG RELEASE LEVEL HELF OPTION 2222 RELEASE LEVEL COLUMN REVISION RECORD DRAWING NUMBER 9039669 SHELF LIGHTING 4 ROWS 4 SHELVES 5 ROWS 5 SHELVES pe O O o 22 gt 7 o lt O E lt ADDED O
32. 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 Sanitize the case with Quaternary Ammonium Solutions ex KAYQUAT J 512 Sanitizer SANIQUAT 512 etc approved per 21CFR 178 1010 followed by ade quate 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 CLEANING AGENT APPLICATION METHOD EFFECT ON FINISH Routine
33. t pipe 6 June 2008 N6DHP L M H A Installation amp Service Manual N6DHP LR MR NGDNHPL N6DNHPL High Perf Narrow Multishelf Med Temp Merchandisers Refrigeration Data CAPACITY BTUH FT DISCHARGE AIR AVG REF PARALLEL CONVENTIONAL CF LBSFT 1 36 ee ae 99 oss Capacity data listed for cases with 2 rows of T 8 canopy lights and 5 rows of unlighted 20 deep shelves Adjustments must be made to this base rating for each option installed on this case ADD 23 BTUH FT for each row of lighted shelves NOTE Contact TYLER for Peg Bar or Produce Insert Usage and Capacity Adjustments For sizing all refrigeration equipment other than TYLER use conventional BTUH values Evaporator temperature is based on the saturated pressure leaving the case Air velocity measured 1 hour after defrost at the top discharge air duct using an ALNOR JR velometer with a scoop This is an average refrigeration charge per foot based on R22 and R404A refrigerant usage 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 TOTAL TOTAL TOTAL case raus STANDARD FANS ECM FANS ANTI SWEATS MODEL LENGTH CASE anes
34. t 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 Page 18 TYLER REFRIGERATION 3 Remove mounting screws from rear duct panel 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 electrical receptacles Do not get moisture on electrical wires when cleaning under this cover Mois
35. the saturated pressure leaving the case Air velocity measured 1 hour after defrost at the top discharge air duct using an ALNOR JR velometer with a scoop DEDUCT 5 FPM for front load case using peg bars DEDUCT 20 FPM for rear load case using peg bars This is an average refrigeration charge per foot based on R22 and R404A refrigerant usage 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 TOTAL TOTAL TOTAL FANS Fu wm FANS ECM FANS ANTI SWEATS _N6DHP LMA_ __4 1 035 260 NA NA Febr e L 2 Pozzo 07 7829 NA NA N6DHP L M H A 8 2 0 72 840 070 520 NA N6DHP L M H A 12 3 108 1260 105 780 NA NEDHP LRMR 8 2 072 840 0 70 520 NA NeDHP LR MR 12 3 108 1260 105 780 NA T 8 Lighting with Electronic Ballasts 120 Volt CANOPY LIGHTS PER ROW SHELF LIGHTS PER ROW NOSE LIGHT 8 ROWS pee m Y o unen mens Peano 7 T 525 Tot bea Toon EET sam 7651 145115527955 1 22 1215 SED NeDHPA 6 0 40 0 75 48 0 90 0 0 60 150 120 720 henhan 180 0 228 0 0 40 48 0 3 05 366 0 ERENT oss ven oso 0 reo io 240 vano
36. ture on wires could cause premature 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 March 2008 N6DHP L M H A Installation amp Service Manual N6DHP LR MR NGDNHPL Front Cladding 1 Remove front kickplate and raceway cover See General UL NSF 1 5 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 and
37. veo seo ao mo no as sco vr eo vos veo zao ass fass 1620 zoo oo seen o70 es 670 Standard lighting for this case is 2 rows of canopy lights Defrost Data DURATION AIR SENSOR SETTINGS COMPRESSOR SETTINGS DEFROST DEFROSTS TIME WATER R22 R404A 22 PSIG R404A PSIG TIME OFF 4 18 FRONiOW ALAPPUCATONS 3F 52 66 so 36 64 47 S2 mex TMEOFF 6 16 FEARLOAD ALLaPpucavions 32 F 30 F 52 66 50 36 64 47 43 All high performance cases use OFF CYCLE defrost NOTE Mixed case line ups require a defrost schedule change Mixed case line ups consist of front load with rear load cases or front load with corner cases Front and rear load case line ups require 6 defrosts at 16 minutes Front load with corner case line ups require 6 defrosts at 18 minutes NOTE 18 16 minutes is for EPR with suction stop for defrost isolation Defrost times increases by four minutes when defrost isolation is by pump down If EPR is utilized use the settings shown in the chart ADD 0 54 to EPR setting for each 1000 foot rise in elevation Recommended setup for a conventional unit uses an electronic thermostat to assure accurate temperature control SHELVING NOTES Shelving widths available for these cases are 15 18 20 and 22 When two sizes are used the smaller must be on top UL SANITATION approved in accordance with ANSI NSF 7 CASE BTU
38. w in the case and proper product cooling and storage Page 22 March 2008 Installation amp Service Manual Peg Bar Information for Cannon Magna Peg Bar Display Systems TYLER supplied Air baffle shelves should always be used with peg bars for hanging meat displays Air baffle shelves are non load bearing and are used only to help direct the air flow The air baffles should be installed above each row of peg bars except the top row along with a bottom shelf Air baffles are available from TYLER that are compatible with 15 offset support arms Important Flat side of hole must 1 be down amp to the front as shown 48 Peg Bar Assembly LH Hook Bracket PQ q ps NT TT ie Pegs Hanging Meat Displays Clamp Bracket Fasten to the hook bracket with 2 1 4 20 screws to hold the peg bar in 11 M E 4452 it EL place 1 48 peg bar with 52 holes to accept pegs Flat side of holes in peg bar must be down and to the front of the bar Attach two hook brackets to peg bar with two clamp brackets and four screws Position and install peg bar in slotted holes in back of case Pegs 15 Offset Support Arms 2 Req d Offset Step Must point up Pegs After marking the desired locations for the Pegs on the Peg Bar insert the Pegs by holding them at 90 and insert into the holes so Peg points are up Pull out Peg to seat properly on the Peg Bar 2 15 p
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