Installation & Service Manual
Contents
1. Y L I Jc I amp OPENS 55 F CLOSES 40 F Lee ur LM Eu eL ALL CASES MUST BE GROUNDED m ON THE ere z FAN MOTORS 3 PER 12 CASES Art THE 0157808 TOR AND amp P H H L N zou FAN PANEL THE EVAPORATOR COIL Qer ONAL 5 Wi GROUND TO RACK CONTROL CIRCUITS VALVE dH 2 C O nse wae TT TTP QTD MS a LL I ONAL TEMPERATURE THERMOSTAT amp 3 BLUE T 8 OPTION BLUE Eu LL HE BLUE RED WHT NOTE 120VAC 60HZ SUPPLY OR 220VAC 50HZ INTERNAT I ONAL NOSE LIGHTS Page 14 June 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 insert 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 sections2. 5TH ROW TOP SHELF LIGHTS BALLAST HARNESS BALLAST IS MOUNTED ON LIGHT CHANNEL AND mm anh mmt IN EACH COLUMN OR ROW SHELF LIGHTING 4 ROWS 5 ROWS OPTIONAL HOT GAS DEFROST NAI THERMOSTAT x OPENS 55 F CLOSES 40 F i peu pem E j j N THE PI N THE DISTRUBITOR AND amp EAD THE EVAPORATOR z FAN MOTORS 2 PER 6 amp 8 CASES TO RACK S 8 CONTROL CIRCUITS e C OPT IONAL a EMEN SOLENOID E VALVE rm w o eee PAS UAR m BLUE ToS ERNES RISE ea RE 3 sus REO NOSE LIGHTING Page 12 030 ANGLES ED HO LAMPS ka ss 45407 26FEBO7 DESCRIPTION o lt ITU i OL 8 SHELVES 10 SHELVES ej OPTIONAL FAN DELAY THERMOSTAT HOT GAS DEFROST OPENS 50 F CLOSES 40 F ecd 551 PANEL croun 1 ALL CASES MUST BE GROUNDED _ CASE WALL OO occ HT nea cea OPT IONAL THEMPERATURE THERMOSTAT T R J e Hi O Z 120VAC_ 60H HZ SUPPLY R 220VAC 50 2 INTERNAT ONAL June 2007 NHD L M Domestic amp Export BO Hz Case Circuits 12 Cases BLU Batter Fara STANDARD RED i T 8 LIGHTS BLU UU L HE ep 11 8 21 8 AP LAMPT LU BALLAST BCR BLK RED
3. D D 45407 26 7 n DESCRIPTION o e uM ol e lt e REMOVED HO LAMPS BIDECIMALS ALL CASES MUST BE GROUNDED US LJ J BE Z 120VAC 60HZ SUPPLY OR 220VAC 50 2 INTERNATIONAL Page 13 H C T 8 LIGHTS WHT lc 774 8 9070217 3S BLU en 3 beat tue TS Ste T8 BALLAS RED BLU 8LU RN ne Or CANOPY LIGHTING 23 LH REMOTE SHELF RN BALLAST TIL RED i 2 BLK Y RED W BLK gt seq IN pil LJ BLU LAMP CoS STANDARD T RHEE AEE Deo BALLAST P BUR S1 FE LLL 1881 45407 EASE 5TH ROW TOP SHELF LIGHTS BALLAST AND HARNESS BALLAST IS 7 j ra Ql QE E Li SS h a j Sr mz 21 030 ANGLES 1 e THE ATTACHED SOCKET COVERS MUST BE INSERTED IN EACH UNUSED SOCKET FOR LIGHTED SHELVES TO LIGHT CORRECTLY IN EACH COLUMN Tilo TAY I Hi ry Y Y HE DE NES CY Y i JL Ed L DLE 4 L BIDECIMALS REMOVE HO LAMPS ___ j S DESCRIPTION SHELF LIGHTING 4 ROWS 12 SHELVES 5 ROWS 15 SHELVES OPTIONAL FAN DELAY THERMOSTAT HOT GAS DEFROST p OPENS 50 F CLOSES 40 F OPTIONAL HOT GAS e DEFROST TERMINATION
4. Peg Bar Information for Cannon Magna Bar Peg Display Systems 20 Service Instructions 21 Preventive Maintenance See General UL NSF I amp S Manual Ballast and Lighting Locations 21 Defrost Heater Replacement 22 Parts Information _ 23 Operational Parts 515 23 Cladding and Trim Parts List 24 TYLER Warranty See General UL NSF I amp S Manual The following Extended Height Medium Temperature Multi Shelf Dairy Deli Produce and Juice Merchandiser models are covered in this manual MODEL DESCRIPTION N7DNL 8 amp 12 EXTENDED HEIGHT MED TEMP NARROW MERCHANDISER WITH 18 FRONT NHDL 6 8 amp 12 EXTENDED HEIGHT MED TEMP MERCHANDISER WITH 18 FRONT NHDM 6 8 amp 12 EXTENDED HEIGHT MED TEMP MERCHANDISER WITH 22 FRONT June 2007 Page 3 SPECIFICATIONS N7DNL Extended Height Narrow Multi Shelf Medium Temp Merchandisers Refrigeration Data AVG REF CHARGE CASE L CAPACITY BTUH FT 1 EVAPORATOR UNIT SIZING DISCHARGE TEMPERATURE VELOCITY MODEL LENGTH PARALLEL CONVENTIONAL F FPM LBSFT N7DNL 1532 1663 21 19 28 2427 O7t Capacity data listed for cases with 2 rows of T 8 canopy lights and 6 rows of unlighted shelves Adjustment
5. 27 28 29 30 Screw Screw End Cover Can Hood Joint Trim Ptd 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 N7DNL NHDL NHDM Raceway Cover Raceway Cover Retainer Screw per retainer Screw Raceway Cover End Trim Raceway Cover Backe Kickplate Joint Trim Ptd Metal Kickplate Ptd Shoulder Screw Kickplate Support Assy Screw Raceway Support Raceway Screw Shoulder Horizontal End Trim N7DNL NHD Pop Rivet Page 24 e 5183536 4 5183536 8 9026103 2 9029422 9025222 5636774 9023795 9040223 N A 9025135 9025647 9023841 2 5183536 2 5183536 7 9039020 9324394 9025833 6 9043402 3 5183536 8 9041322 4 9300242 9025833 12 N A 5211585 5105037 5 eu v TYLER g 5183536 6 5183536 8 9026103 2 9029422 9025223 5203468 color per order 9025316 color per order 9023798 9040223 color per order color per order 9025136 9025136 9025648 color per order 9023841 4 5183536 2 5183536 9 color per order color per order 9039020 9324402 9025833 8 9043402 4 5183536 12 9041322 6 9300243 9025833 16 9311972 5211585 5105037 10 REFRIGERATION 12 5183536 8 5183536 8 9026103 2 9029422 9025224 5203469 9023800 9040223 9025137 9025137 9025649 9023841
6. 6 5183536 2 5183536 12 9039020 9324407 9025833 8 9043402 4 5183536 16 9041322 8 9300244 9025833 24 9311972 5211585 5105037 14 June 2007 Installation amp Service Manual N7DNL NHD rnare 9 9 ow wp e Ue gn m m e e s r s a x ee ee AR OUR t m ume 1 gt i gt i i y v i l 1 1 8 NHDM ILLUSTRATED June 2007 Page 25
7. 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 June 2007 N7DNL NHD 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 recepta cles can be cleaned without removing the electrical receptacles Do not get moisture on electrical wires when cleaning under this cover Moisture 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 g
8. Usea small amount of cleaner Apply with damp sponge or cloth Rub with a damp cloth Rub with a dry cloth Usea small amount of cleaner Rub with a dry cloth Rub with dry cloth Usea 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 N7DNL NHD 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 dir
9. duct panel above the bars The coil will also frost faster requiring more frequent defrosts 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 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 flow in the case and proper product cooling and storage June 2007 Page 19 N7DNL NHD Peg Bar Information for Cannon Magna Bar 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 be down amp to the front as shown 1 48 Peg Bar Assembly LH Hook lc F lt m Pegs Hanging Meat Displays S EX Clamp Br
10. i BLK et WHT i 3 BLU GEN fa acas Pme T3 LAMPTB WHT BALLAST i ne RED BLU YEL RED T g l d NES Gr CANOPY LIGHTING RN we sK lt UNK dh za WHT 3P3 WHT xa WHT 2440249 T ri E a a a mae JO De r am BLK an L2Y BLK a BLK 2v WHT AAA BLK I GRN TTT GR ry GRN REMOTE SHELF LE 7 BLU WHT WHT BALLAST WHT 3 LAMP 4 L AMP BALLAST 2 BALLAST aa da BLK BLK 5TH ROW TOP SHELF LIGHTS BALLAST AND HARNESS BALLAST IS MOUNTED ON LIGHT CHANNEL m mummme LLLI II TH H tt THE ATTACHED SOCKET COVERS mm T 17 MUST INSERTED IN EACH Tl UNUSED SOCKET FOR LIGHTED SHELVES TO LIGHT CORRECTLY IN EACH COLUMN 12 SHELVES 15 SHELVES OPTIONAL DEFROST HEATER OPTIONAL DEFROST TERMINATE THERMOSTAT OPENS 41 F CLOSES 26 F SHELF LIGHTING 4 ROWS 5 ROWS OPTIONAL SOLENOID VALVE FAN PANEL GROUND FAN MOTORS 3 PER 12 CASES OPT ONAL THEMPERATURE THERMOSTAT BLUE BLUE T 8 LAMPS ur RED RED NOSE LIGHTS BLK 208VAC 60HZ SUPPLY OR 240VAC SOHZ INTERNAT ONAL June 2007 pap ae ene RNC N CASE WALL iN enn Hj FR N6D _NHD 12 9026527 L I E Q O C Q D lt
11. ING FAN MOTORS 3 PER 12 CASES _ V mmr ety i cree mv mr ett cm mre my Geils S D O b id ee r BLUE H A T 8 LAMPS LIBE e IRE e BLUE RED RED OPTIONAL NOSE LIGHTS Page 10 BLU BLU NH fy er S LAMP te HTSA Ff LT B AEE F BLU BALLAST H BLK 8 22 ROWS di cum NH I i ete J LAMP SCREAMER s lt CT 8 LAMET BALLAST BALLAST FB WHT 7 RED ac TN ea O S1 1 oc BLK BLK gt IHWH T lt GRN O m o gt Or 5 CN iva Nad C 2 f eo2s527 Ja 0 0 0 p mes os 5 45691 a PE o PIDECIMALS er l 120 _ 60HZ SUPPL 220VAC INT SOHZ ERNAT ONAL June 2007 B c ALL CASES MUST BE GROUNDED NOTE 9055700 NHD L M Domestic amp Export 50 Hz Case Circuits 6 amp 8 Cases STANDARD T 8 LIGHTS 2 ROWS ge zT WHT 22240249 sRu k 87 Cw m n a HT A A BLK r GRN BLU BLU 2 LAMP 1 BALLAST ma RED zx 4 4h o mA STH ROW TOP SHELF LIGHTS BALLAST AND HARNESS BALLAST 15 MOUNTED ON LIGHT CHANNEL OPTIONAL DEFROST HEATER OPTIONAL DEFROST TERMI IN EACH COLUMN OR RO
12. LLEL CONVENTIONAL F FPM 6 8 12 NHDM Capacity data listed for cases with 2 rows of T 8 canopy lights and 4 rows of unlighted 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 ADD 411 BTUH FT for peg bars NOTE Baffles are required above each peg bar row to provide proper air flow around the food products ADD 74 BTUH FT for produce inserts 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 and 208 Volt TOTAL TOTAL STANDARD TOTAL ANTI SWEATS 208 VOLT CASE FANS FANS ECM FANS SEG ae 55 DEFROST HEATER MODEL LENGTH CASE amps WATTS WATTS AMPS WATTS PR 340 NA 470 9750 8 2 106 960 40 WAL 690 1 4800 32 3 3 9 Da Discharge a
13. N 43 15 16 18 20 22 lt 8 1 4 NHDM 83 1 4 3 X 5 Rear Piping Access Area mm J T uM _ 18 9 1 2 7 1 2 NOTES Front height is 19 1 4 and tray depth is 29 5 8 for NHDL with noselight 3 s Case and front heights are 3 inches taller for rear vacuum drain systems 33 41 1 2 43 1 2 NHD FLOOR PLAN ALLOW 3 SPACE between the back of this case and the store wall other cases or coolers to minimize possible condensation problems FORCED VENTILATION may be necessary in some situations for Standard 6 8 or 12 Patch End Case length 3 x 5 Rear piping Optional 3 Add 1 1 2 rear piping access area 21 7 Clearance Base legs access area between bottom 1 PVC waste outlet pipe i t ee een April 2008 Page 7 N7DNL NHD INSTALLATION PROCEDURES Carpentry Procedures Case Pull Up Locations A B g Ory amp D All the N7DNL and NHD 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 185 Manual for line up assembly instructions Electrical Procedures Electrical Considerations CAUTION Make sure all electrical con
14. NHD REFRIGERATION Defrost Heater Replacement WARNING Always shut off electricity to the entire case before replacing a defrost heater Automatic cycling of fans or electrical power to wire ends could cause personal injury and or death 1 Remove bottom trays 1 from case 2 r3 TI OM L 2 Disconnect defrost heater plug 3 from junction block 4 3 Remove mounting screws and lift up fan plenum 5 4 Remove defrost heater 6 from mounting clips 7 and case 2 5 Install new defrost heater 6 in reverse order 6 Restore electrical power to case Page 22 June 2007 Installation amp Service Manual PARTS INFORMATION Operational Parts List Case Usage Electrical Circuit Case Size Fan Motors Fan Motor Brackets Fan Bracket Plate Fan Blades 8 75 35 5B Opt ECM Fan Motors Opt ECM Fan Motor Brackets Opt ECM Fan Blades N7DNL 8 75 25 5B NHD 8 75 35 T 8 Ballast canopy 2 lamps N7DNL NHD Opt T 8 Ballast nose light Opt T 8 Ballast 5th row shelf lamp NHD Models Only T 8 Lampholder Light Switch Opt Elec Defrost Heater NHD Models Only Opt Elec Defrost Term Klixon NHD Models Only Opt Elec Defrost Failsafe Klixon NHD Models Only Opt Gas Defrost Term Klixon NHD Models Only Opt Gas Fan Delay Klixo
15. ROWS N7DNL Pi UU 174 N7DNL 12 140 168 N A N A NA N A NA N A N A 0 70 84 210 Standard lighting for this case is 2 rows of T 8 canopy lights Defrost Data EPR SETTINGS DEFROST DEFROSTS DURATION TERMINATION WATER DEFROST TYPE PER DAY TIME MIN CF mms R404A PSIG LB FT DAY TIME OFF _ 6 1190 l 5 1195 If an Electronic Sensor is used for termination it should be set at 70 F termination temperature The sensor must be located in the same location as the defrost termination klixon for that defrost type Set EPR to give this pressure at the case DEFROST CIRCUITS OFF CYCLE defrost is standard use TC defrost module OPTIONAL ELECTRIC OR HOT GAS defrost is not available for these cases at this time CASE TO CASE SUCTION LINE SUB FEED BRANCH LINE SIZING we e we m oe m m o m e e s SHELVING NOTES Shelving widths available for these cases are 12 15 16 18 and 20 When two sizes are used the smaller must be used 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 c
16. W SHELF LIGHTING 4 ROWS 8 THERMOSTAT OPENS 41 F CLOSES 26 F m R OPTIONAL SOLENOID VALVE T 8 LAMPS June 2007 BLUE FAN MOTORS ATE BLUE RED NOSE LIGHTING SHELVES 5 ROWS 10 SHELVES N ei FAN PANEL ZN Im on A PAL LI 4 LAMP a GROUND 2 PER 6 amp 8 CASES OPTIONAL THEMPERATURE THERMOSTAT BLK RED 208VAC 60HZ SUPPLY OR 220VAC SOHZ INTERNAT ONAL FR N6D _NHD 6 amp 8 L I val E Q O C x lt cc lt 050 ANGLES 1 DEG S REMOVED HO LAMPS i lt kq 120 60 2 SUPPLY OR 220VAC 50 2 INTERNAT I ONAL Page 11 wr s jon REV DESCRIPTION RELEASE DTE 9026526 H ALL CASES MUST BE GROUNDED NOTE c af My ls 2 C57 4 T 8 LAMPI be LT 8 LAMPE F Sa STANDARD HLU 41 100 ki S1 2 ROWS y La SSE na E aen BALLAST Ne m 1 Fd I YEL amp 4 cN REO J BLK BLK 00 zo 29 2 BLU Y zio gt 2 LAMP T8 GRN C RED BLU lt Eum y x Lern ES Fa s o xi CANOPY LIGHTING Gl 7 dM p BLK p h BLK H TTE BLK IY RRR con REMOTE SHELF B RNS BLU BALLAST J WHT I Ets H um o RED a BLK 8 BLK as g o dee m e
17. ZY Carrier A United Technologies Company TYLER REFRIGERATION Series vantage Installation amp Service Manual N7DNL NHD L M EXTENDED HEIGHT MULTI SHELF DAIRY DELI PRODUCE JUICE MERCHANDISERS 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 IN U S A change without notice EDITION DATE 6 07 NO 9055758 REV Tyler Refrigeration Niles Michigan 49120 TYLER Page 2 N7DNL NHD REFRIGERATION CONTENTS Page _ _ Specifications N7DNL Specification Sheets 4 NHDL NHDM Specification Sheets 6 Pre installation Responsibilities See General UL NSF I amp S Manual Installation Procedures Carpentry Procedures 8 Case Pull Up Locations 8 Joining Rear Load Cases to Coolers 8 Electrical lt 8 Plumbing Procedures See General UL NSF I amp S Manual Refrigeration Procedures See General UL NSF I amp S Manual Defr
18. acket Fasten to s the hook bracket with 2 1 4 20 screws to hold the peg bar in 3 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 Be Pegs 25 DO 15 Offset Support Arms 2 Req d MN Ns Step 90 Must point up D 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 K ye v n w w lt 2 15 pegs 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 Page 20 TYLER REFRIGERATION 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
19. 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 Card ge Spring Clip m 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 offset support arms with two spring clips To remove card moulding squeeze each spring clip together until the card moulding releases June 2007 Installation amp Service Manual 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 mer chandising are listed below There are three basic ways that peg bars are used in our cases All 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 f
20. defrost type Set EPR to give this pressure at the case DEFROST CIRCUITS OFF CYCLE defrost is standard use TC defrost module OPTIONAL ELECTRIC defrost uses a single or 3 phase 208V circuit OPTIONAL HOT GAS defrost uses 2 control wires 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 Tylers 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 6 April 2008 CASE TO CASE SUCTION LINE SUB FEED BRANCH LINE SIZING m rr e pee e ps Te ERI GU HAT IUDA JI SHELVING NOTES Shelving widths available for these cases are 15 18 20 and 22 When two sizes are used the smaller must be used on top NHD CROSS SECTIO
21. 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 June 2007 Installation amp Service Manual Peg Bar Information N7DNL NHD 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 the case Figure 1 shows the air flow in a Multi Deck dis play merchandiser with shelves Air flow from the top and back forms a protective barrier to ambient air 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 3 depicts what happens to the air flow in a case full of peg bars The air falls through openings between packages and fails to main d JUL oO i UL 4 i CAUTION tain a protective barrier When the bars are fully stocked the effect is minimized but product tempera tures will not be as good as they could be Sweating may be noticed on the top
22. e sensors must be located in the same location as the klixons for that defrost type Any other locations will effect the refrigeration efficiency of the case June 2007 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 N7DNL Domestic amp Export 50 Hz Case Circuits 8 Cases 1 8 M4 MCTEECLAMPI h aue AREE e d ee sa 8 LIGH REL 2 ROWS O Mel a jr li BLK BLK SPLIT eem BALLAST RED BLY REDS BLU CTR BLU SN GRN ma CANOPY LIGHTING ii ci a Q SOLENO D VALVE FAN PANEL 6 OPT ONAL e FAN MOTORS 2 PER 8 CASES OPT ONAL THEMPERATURE THERMOSTAT BLUE GRN B T 8 LAMPS LAMP R EE RED OPTIONAL NOSE LIGHTS m 120VAC 60HZ SUPPLY 220VAC 5OHZ I NTERNAT I ONAL June 2007 Rev DESCRIPT ION 1 Z O 9055757 ALL CASES MUST BE GROUNDED NOTE Page 9 N7DNL Domestic amp Export 50 Hz Case Circuits 12 Cases Z ANDARD LIGHTS RED BLU CANOPY LIGHT
23. ection 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 built up Page 17 N7DNL NHD TYPE OF CLEANING Grease and oil CLEANING AGENT Organic solvents such as carbon tetrachloride tri chlorethylene acetone kero sene gasoline benzene alcohol and chlorethane n u TYLER REFRIGERATION APPLICATION METHOD 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 EFFECT ON FINISH Satisfactory for use on all finishes 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 In all applications a sponge or fibrous brush o
24. ir anti sweat heater will only be on when the canopy lights are off Use highest amp draw of the two circuits to figure electrical case requirements Heaters 208 Volt 208 VOLT DEFROST AMPS 6 8 12 16 20 28 32 36 40 44 48 1 PH 4 7 6 9 10 3 13 8 17 2 6 24 1 27 5 30 9 34 4 37 8 41 2 TG 30 TG 30 TG 30 TG 30 TG 30 TG 30 TG 40 TG 40 TG 40 TG 50 TG 50 TG 50 12 0 15 0 18 0 15 0 18 0 18 0 21 0 25 0 28 0 TG 3 30 TG 3 30 TG 3 30 TG 3 30 TG 3 30 TG 3 30 TG 3 30 TG 3 40 TG 3 40 T 8 Lighting with Electronic Ballasts 120 Volt CANOPY LIGHTS PER ROW SHELF LIGHTS PER ROW NOSE LIGHT 8 ROWS ener AMPS WATTS WATTS WATTS i WATTS M tine a ae Ld o a 1 20 1 50 190 72 108 144 180 228 0 40 48 305 366 neo 5 oso 09 eo TM foso 130 240 fio 192 208 256 60 1385 mo eto 140 St 168 139 1 80 2 40 2 85 3 55 162 216 288 342 426 0 70 84 5 65 678 Standard lighting for this case is 2 rows of T 8 canopy lights Defrost Data EPR SETTINGS DEFROST DEFROSTS DURATION TERMINATION WATER DEFROST TYPE PERDAY TIME MIN R404A PSIG LB FT DAY TIME OFF ELECTRIC HOT GAS fan Electronic Sensor is used for termination it should be set at 70 F termination temperature The sensor must be located in the same location as the defrost termination klixon for that
25. n NHD Models Only NSF Product Thermometer 6 5243498 9 Watt 5205112 9041077 5643563 9025000 12 Watt 5205112 N A 9643563 N A 9966635 5991029 5991029 0232279 9100565 9310403 9303214 9036671 9023508 9303508 9967100 Domestic 115 Volt 60 Hertz g 5243498 9 Watt 5205112 9041077 5643563 9025000 12 Watt 5205112 9038461 5643563 5966635 5966635 5991029 5991029 5232279 5100565 5124521 9303214 9036671 9023508 9303508 5967100 12 5243498 9 Watt 9205112 9041077 9643563 9025000 12 Watt 5205112 9038461 9643563 9966635 9966635 5991030 5991030 9232279 9100565 0124522 9303214 9036671 9023508 9303508 5967100 N7DNL NHD Export 220 Volt 50 Hertz 12 9458942 9458942 18 3 Watt 18 3 Waitt 5205112 5205112 9041077 9041077 5643563 5643563 9025000 9025000 12 Watt 12 Watt 5205112 5205112 9038461 9038461 5643563 5643563 9028439 9028439 9028439 9028439 9028437 9028438 9028437 9028438 5232279 5232279 5100565 5100565 5124521 5124522 9303214 9303214 903667 1 903667 1 9023508 9023508 9303508 9303508 5967100 5967100 For information on operational parts not listed above contact the TYLER Service Parts Department June 2007 Page 23 E F F F F N7DNL NHD Cladding and Trim Parts List Item Description ON O O WN O OO N o 15 16 17 18 19 20 21 22 23 24 25 26
26. nections 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 Page 8 TYLER REFRIGERATION Case Fan Circuit This circuit is to be supplied by an uninter rupted protected 120V circuit The case fan circuit is not cycled except when equipped for gas defrost NHD models only On gas defrost cases the fans circuit is controlled by a klixon Fluorescent Lamp Circuit The standard lighting for N7DNL and NHD cases is 2 rows of T 8 canopy lights Optional T 8 Nose Light is available on all models while T 8 shelf lighting is only available on the NHD models Defrost Information See General UL NSF I amp S Manual for operational descriptions for each type of defrost control Defrost Control Charts N7DNL Models Defrost Defrost Defrosts Duration Term Type Per Day Min Temp Off Time 6 19 The N7DNL cases do not have any klixons NHD Models Defrost Defrost Defrosts Duration Term Type Per Day Min Temp Off Time 4 24 Electric 4 24 41 F Gas 4 15 55 F Most klixons are located on the right end of the evaporator coil NOTE The Gas Defrost Termination klixon is located at the by pass check valve CAUTION If electronic sensors are used in place of the klixons th
27. ns 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 Page 16 June 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 June 2007 CLEANING AGENT Liquid NuSteel Paste NuSteel or DuBois Temp Cooper s Stainless Steel Cleaner Revere 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 lt 4 6 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 5 oxalic acid 5 sulamic acid 5 10 phospheric acid or Dilac Oakite No 33 Texo 12 or Texo N Y APPLICATION METHOD Rub with dry cloth Usea small amount of cleaner Rub with dry cloth
28. onsistent 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 April 2008 N7DNL CROSS SECTION ace MNA POL Bc 62 16 18 or 20 m 25 1 4 p 25 3 4 37 1 4 7 1 2 NOTE Front height is 19 1 4 and tray 3 depth is 23 3 8 for N7DNL with noselight N7DNL 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 Patch End 1 3 1 2 Case length yau ni Optional 3 2534 3 S Rear piono N T Base 2 1 2 Clearance Base legs access area 31 Refrigeration between bottom r i 7 8 Suction of drain pipe hin q Front of case April 2008 Page 5 NHD L M Extended Height Multi Shelf Medium Temp Merchandisers Refrigeration Data CAPACITY BTUH FT DISCHARGEAIR AVG REF PARA
29. oods 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 the foods at the desired core product temperatures June 2007 N7DNL NHD 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 Canopy Lamps Shelf Lamps 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 nose lights all models and optional shelf lights NHD models only The canopy light s are under the canopy light channel in the top of the case Page 21 TYLER N7DN L
30. ost Information 8 Defrost Control Charts 8 Installation Procedure Check Lists See Gen UL NSF I amp S Manual Wiring Diagrams 9 N7DNL Domestic amp Export 50 Hz Case Circuits 8 Cases 9 N7DNL Domestic amp Export 50 Hz Case Circuits 12 Cases 10 NHD L M Dom amp Export 50 Hz Case Circuits 6 amp 8 Cases 11 NHD L M Dom amp Export 50 Hz Case Circuits 12 Cases 13 Cleaning and Sanitation See General UL NSF I amp S Manual Component Removal and Installation Instructions for Cleaning 15 Shelves and Shelf Brackets 15 BOROM WAYS van doen daaa aa coed ee eae w QL dela sob Soe 9 Q 15 Front Alr DUCS sine s S pac oa Ges oun dan oe Q 15 Rear Duct Panels 15 Discharge Air Honeycomb 15 TOD DUCI 15 Font Cladding 16 Cleaning Instructions 16 Stainless Steel Cleaning Methods 16 June 2007 Installation amp Service Manual N7DNL NHD Page General Information 18 NSF Product Thermometer Installation 18 Egg Merchandiser 18 Peg Bar Information 19
31. r 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 right corner of the right most bottom tray Making sure the bracket is flush with the right edge use the bracket holes as a template for where to drill the holes 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 a 5 a e 4 Mount the bracket to the bottom tray with two screws washers and capnuts Page 18 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 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 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
32. rid 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 15 TYLER N7DN L NHD 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 and 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 u
33. s 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 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 and 208 Volt TOTAL TOTAL STANDARD TOTAL ANTI SWEATS 208 VOLT CASE FANS FANS ECM FANS m 55 DEFROST HEATER MODEL LENGTH CASE AMPS WATTS AMPS WATTS AMPS WATTS AMPS WATTS N7DNL 8 2 106 96 064 34 NA NA NA NA N7DNL 12 3 159 144 096 51 NA NA NA NA Discharge air anti sweat heater will only be on when the canopy lights are off Use highest amp draw of the two circuits to figure electrical case requirements T 8 Lighting with Electronic Ballasts 120 Volt e eon SHELF LIGHTS PER ROW NOSE LIGHT 3
34. se of bleach or products containing bleach will damage metal surfaces and void the case warranty Sanitize the case with Quaternary Ammonium Solutions ex KAYQUAT II 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 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 discoloratio
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