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Installation & Service Manual

1. ee 120VAC GOHZ SUPPLY 220 SOHZ INTERNATIONAL ddedika A September 2007 T DIAGRAM WRG DFR N6DHP A 6481 EMP entes ti un e 5 N e E i z N th z mln gt lt gigi is S AT 5 lt is 2181818 s lt ta d 9 i pom B Uu LU 03 OO L 54 00 tO cO CO cO N6DHP A N6PHP NOMHP NGDHPR NHDHP i ein oe ALL CASES MUST BE GROUNDED NOTE NHDHP L M Domestic amp Export 50 Hz Case Circuits 12 Cases FR TT GR THOT HEU TTT GRN O 8 STANDARD Re IzE AE ye CEE TAP s occa T 8 LIGHTS BL Om BONS BLU s G AT a z lt 28 82 BLK Y Q PP BL Ke GI 455 8 C 589 3 oerioNAL Mn mA o dggax lt T 8 LIGHTS az Baader g 3ra ROW GRN E NCC 3 3 MT 335003 18 BALLAS 3 LAMPTB AST T 339 138 Ferr RED BLU BLU REO YEL RED 52218 N 4 ot i DN CANOPY
2. i NOT 2 4 ANA fil Fils 7 4 LI T 8 LAMPS OPTIONAL NOSE LIGHTS 120VAC GOHZ SUPPLY 220VAC SOHZ INTERNATIONAL nkun iii PAPRI amp AP September 2007 Page 13 N7DNHPL NHDHPIL M 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 Completelv 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 Travs 1 Remove product from bottom of case 2 Grasp and lift out each of the bottom travs from the case interior 3 After cleaning replace in reverse order Front Air Ducts 1 Remove lower travs see this page 2 Liftoutfront air duct sections 3 After cleaning replace in reverse order Rear Duct Panels w o Shelf Light Sockets 1 Remove shelves and bottom travs see above 2 Remove mounting screws and rear duct panels from case 3 After cleaning replace and secure rear duct panels in reverse order wit
3. All egg shelves come galvanized or stainless steel The upper egg shelves are 15 x 48 and come with 82 degree fixed white brack ets The brackets are available in one posi tion only The upper egg shelves assemblies include a rear air close off Tilted base egg shelves come in 4 modules Thev are designed and notched to fit inside the existing 2 bottom travs NOTE Egg shelves are designed to catch and hold spilled liquids so thev 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 verv difficult Good sanitation is essential for egg merchandising Page 15 TYLER N7DNHPL NHDHP L M REFRIGERATION Peg Bar Information 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 the case 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 Figure 1 shows the air flow in a Multi Deck dis play merchandiser with shelves Air
4. 9 Defrost Control Chart 9 Installation Procedure Check Lists See Gen UL NSF 1 5 Manual Wiring Diagrams 9 N7DNHPL Domestic amp Export 50 Hz Case Circuits 10 NHDHP L M Domestic amp Export BO Hz Case Circuits 12 Cleaning and Sanitation See General UL NSF 1 5 Manual Component Removal and Installation Instructions for Cleaning 14 Shelves and Shelf Brackets 14 siete d RC 14 most WU 524255555452 eee 14 Rear Duct Panels 14 Discharge Air Honeycombs 14 IOS DUCE 54555 de ie 14 Font Cladding rcc 15 Page 2 September 2007 Installation amp Service Manual N7DNHPL NHDHP L M Page General Information NSF Product Thermometer Installation 15 Egg Merchandiser Kit 15 Peg Bar Information 16 Peg Bar Information for Cannon Magna Bar Display Systems 17 Service Instructions Preventive Maintenance See General UL NSF 1 5 Manual Ballast and Lighting Locations 18 Parts Information Operational Parts List 19 Cladding and Trim Parts 51 20 TYLER Warranty See General UL NSF 185 Manual
5. NOTE Mixed line up is peg bars mixed with shelving in same line up 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 eee 20 25 29 32 36 40 4p 5 gt ____ R22 78 7 8 767 7 8 718 11 8 11 8 1 1 8 1387 1 3 8 13 8 1 3 6 1 3 8 13 8 CASE CIRCUITS This case requires 120V circuit for fans lights and anti sweat heaters SHELVING NOTES Shelving widths available for these cases 15 18 20 and 22 When two sizes are used the smaller must be used on top UL SANITATION approved in accordance with ANSI NSF 7 0 0 DEFROST WATER LB FT DAY DURATION 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 applicat
6. OPT ONAL T 8 LIGHTS 3rd ROW MENT e 88 2 BL T8 BALLAST o 2 LAMP BALLAST RED MANUAL REVISIONS ALLOWED gikis 5035519 am w u T Anna A 5TH ROW TOP SHELF LIGHTS gt 4 ed BALLAST AND HARNESS w B 9 BALLAST 15 2 zz MOUNTED ON Mi eA EAE 52 LIGHT CHANNEL Samm oH tal 2 e D 9 lt 6 OS 155 r Los wood lt m taj O THE ATTACHED SOCKET COVERS MUST BE INSERTED IN EACH IN EACH COLUMN OR ROW OPTIONAL SHELF LIGHTING 4 ROWS 8 SHELVES 5 ROWS 10 SHELVES CONNECT TO FANS POWER SUPPLY FAN PANEL GROUND 120 SOLENOID VALVE i 3 220 VALVE FAN MOTORS 2 PER 6 amp 8 CASES OPTIONAL ELECTRONIC _TEMPERATURE CONTROL ik lt ou mm T mile die ede aide nad aiia ee I I I I I 1 Li I SOLENOID l t 1 I I L Li T 8 LAMP rm OPTIONAL NOSE LIGHTING 4 a mea ere HR re re ves w u
7. The following High Performance Extended Height Medium Temperature Multi Shelf Dairy Deli Produce and Juice Merchandiser models are covered in this manual MODEL N7DNHPL NHDHPL NHDHPM DESCRIPTION 8 amp 12 HIGH PERFORMANCE EXTENDED HEIGHT NARROW MERCHANDISERS WITH 18 FRONT 6 8 amp 12 HIGH PERFORMANCE EXTENDED HEIGHT MERCHANDISERS WITH 18 FRONT 6 8 amp 12 HIGH PERFORMANCE EXTENDED HEIGHT MERCHANDISERS WITH 22 FRONT September 2007 Page 3 TYLER N7DNHPL NHDHP L M REFRIGERATION SPECIFICATIONS N7DNHPL High Perf Extended Height Narrow Med Temp Merchandisers Refrigeration Data DISCHARGE AIR AVG REF Fe CAPACITY BTUH FT TEMPERATURE VELOCITY CHARGE MODEL ENSIN po CONVENTIONAL FPM LBSFT N7DNHPL 8 12 1 426 14581 28 26 34 260 055 _ Capacity data listed for cases with 2 rows of T 8 canopy lights 1 row of nose lights and 5 rows of 18 unlighted shelves Adjustments must be made to this base rating for each option installed on this case DEDUCT 20 BTUH FT if nose light is not used NOTE Contact TVLER for Peg Bar or Produce Insert Capacitv Adjustments For sizing all refrigeration equipment other than TVLER use conventional BTUH values Evaporator temperature is based on the saturated pressure leaving the case Air velocitv measured 1 hour after defrost at the top discharge air duct using an ALNOR JR velomete
8. 9329327 16 Watt 9458942 18 3 Watt 9205112 9041077 9643563 9643563 9025000 12 Watt 9205112 9407319 9966635 5991029 9232279 9100565 9967100 12 9329327 16 Watt 9458942 18 3 Watt 9205112 9041007 9643563 9643563 9025000 12 Watt 9205112 9407319 5991030 5991030 9232279 9100565 9967100 N7DNHPL NHDHPIL M NHDHP Domestic 115 Volt 60 Hertz 6 9329327 16 Watt 9458942 18 3 Watt 9205112 9041077 9311926 5643563 9025003 16 Watt 5205112 9038461 5966635 5991029 5966635 5991029 5232279 5100565 5967100 8 9329327 16 Watt 9458942 18 3 Watt 5205112 9041077 9311926 5643563 9025003 16 Watt 5205112 9038461 5966635 5991029 5966635 5991029 5232279 5100565 5967100 12 9329327 16 Watt 9458942 18 3 Watt 5205112 9041077 9311926 5643563 9025003 16 Watt 5205112 9038461 5001030 5991030 5966635 5991030 5232279 5100565 5967100 For information on operational parts not listed above contact the TYLER Service Parts Department September 2007 Page 19 N7DNHPL NHDHPIL M Cladding and Trim Parts List Description 6 8 TYLER REFRIGERATION 12 1 Screw 5183536 4 5183536 6 5183536 8 2 Screw 5183536 8 5183536 8 5183536 8 3 End Cover 9034956 2 9034956 2 9034956 2 4 Canopy Hood Joint Trim Ptd 9602486 9602486 9602486 5 Canopy Hood Ptd N7DNHPL A 9025223 9
9. 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 Um Bracket 1 no 1 ta ci 1 Pegs Hanging Meat Displavs Clamp Bracket Fasten to s the hook bracket with 2 1 4 20 screws to hold the peg bar in place 1 48 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 G N 15 Offset Support Arms 2 Req d LL oo A Step Must point up os I 2 vy w a s gt s wa y o s 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 Ba
10. 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 oO B d oO 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 duct panel above the bars The coil will also frost faster requir ing more frequent defrosts Figure 4 shows the proper air flow for x cases with peg bars The addition Y of a baffle above each row of peg 5 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 rear duct and swirls about This breaks the protective barrier causing the case air to mix with ambient air to a great extent 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 flow in the case and proper product cooling and storage Page 16 September 2007 Installation amp Service Manual Peg Bar Information for Cannon
11. 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 c Push the Up or Down Button until the desired setpoint is displayed N7DNHPL w shelving 34 F NHDHP w shelving 32 F w peg bars or mixed 30 F w produce insert 34 F d Push the Menu Button September 2007 Installation amp Service Manual 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 displayed d Push the Up or Down Button until the desired differential setting is displayed N7DNHPL NHDHP 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 The settings above are specific to TYLER N7DNHPL and NHDHP cases Other applications will require different setpoints and differentials Electric
12. 025224 NHDHP 9302900 9302828 9302829 6 Front Panel N7DNHPL 5203468 5203469 NHDHP 5636774 5203468 5203469 7 Hand Rail Bumper Retainer color per order 8 Hand Rail Backer 9025316 9025316 9025316 9 Bumper End Trim color per order 10 Color Band N7DNHPL 9023798 9023800 NHDHPL 9023795 9023798 9023800 11 Color Band Backer Ptd 9040223 9040223 9040223 12 Bumper Backer color per order 13 Bumper C C color per order 14 Front Cladding Ptd N7DNHPL 9025136 9025137 NHDHPL 9025135 9025136 9025137 NHDHPM 9025647 9025648 9025649 19 Raceway Cover color per order 16 Raceway Cover Retainer 90238441 2 9023841 4 9023844 6 17 Screw per retainer 5183536 2 5183536 2 5183536 2 18 Screw 5183536 7 5183536 9 5183536 12 19 Raceway Cover End Trim 20 Raceway Cover Backer color per order color per order 21 Kickplate Joint Trim Ptd 9039020 9039020 9039020 22 Metal Kickplate Ptd 9324394 9324402 9324407 23 Shoulder Screw 9025833 6 9025833 8 9025833 8 24 Kickplate Support Assy 9043402 3 9043402 4 9043402 4 25 Screw 5183536 8 5183536 12 5183536 16 26 Raceway Support 9041322 4 9041322 6 9041322 8 27 Raceway 9300242 9300243 9300244 28 Screw Shoulder 9025
13. 833 12 9025833 16 9025833 24 29 Horizontal End Trim 5211585 5211585 5211585 30 Pop Rivet Page 20 5105037 5 5105037 10 5105037 14 November 2006 Installation amp Service Manual N7DNHPL NHDHP L September 2007 Page 21
14. LIGHTING AD WHT WHT P WHT WHT 5 3 7 mA me z GRN GRN RN k GRN b fce Ecl Wi ZI HEEL UA de MRI UR WHT m ES ALLAST ___ WHT j 3 L AMP 4 LAMP ju Bat Cast Z lt ACCAST i da BLU ta RED per Qiu i i BLK lt 3 2 Se Se a ee eia 5TH ROW TOP as SHELF LIGHTS i lnlel5 BALLAST AND 121 8 HARNESS tlal j f 5 BALLAST is MJ KN LET eee LET 2191815 gt MOUNTED ON ST n sil z a 12 5 Zu LIGHT CHANNEL p pue B gt 9 O S Z Li HIT B s ISL uu T LL Ce pr aa ega Reed HHH AT En 582 125 I TO i BUE RE BSI L 2 lt i CU T B H z THE ATTACHED SOCKET COVERS MUST BE INSERTED IN EACH UNUSED SOCKET FOR LIGHTED lt SHELVES TO LIGHT CORRECTLY X IN EACH COLUMN Tere O cO 2222 o OPTIONAL SHELF LIGHTING 4 ROWS 12 SHELVES ul S ROWS 15 SHELVES 59 lt C CONNECT TO FANS POWER SUPPLY t I 1 m GROUND ALL CASES MUST GROUNDED Y E FAN PANEL t 120 ad 8 LENOI VALVE 4 4 i 1 i OPTIONAL ELECTRONIC TEMPERATURE CONTROL FAN MOTORS 3 PER 12 CASES a
15. R AVG REF MODEL CASE amus EVAPORATOR UNIT SIZING TEMPERATURE VELOCITY CHARGE PARALLEL ICONVENTIONAL F PM LBSFT NHDHPL 6 8 12 1 327 1 474 NHDHPM 6 8 12 1 281 1423 28 1 261 2608 0 57 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 For cases using bars ADD 274 to parallel load 304 to conventional load NOTE Baffles are required above each bar row to provide proper air flow around the food products For sizing all refrigeration equipment other than TVLER use conventional BTUH values Evaporator temperature is based on the saturated pressure leaving the case Air velocitv measured 1 hour after defrost at the top discharge air duct using an ALNOR JR velometer with a scoop DEDUCT 20 FPM for case using peg bars This is an average refrigeration charge per foot based R22 R404A refrigerant usage T ADD 2 F for case using produce insert FOR SPECIFIC COMPRESSOR SIZING INFORMATION REFER TO TVLER APPLICATIONS FOR RACK SVSTEM COMPRESSORS AND OR THE COMPRESSOR MANUFACTURERS FOR SINGLE COMPRESSORS FOR LINE SIZING INFORMATION REFER TO THE MISCELLANEOUS SECTION BUFF IN THE TVLER SPECIFICATION GUIDE Electrical Data Fans and Heaters 120 an
16. U BLU iim S LAMP CT amp AE sa LT 8 BALLAST h BCR STANDARD RED T 8 LIGHTS S1 2 ROWS ho cope x 8 CT E LAMP HA SCI ARE Dye C CT ELAMET Peco E ll BLK bol BLK ELCIHWH T 3 BLU GRN i S L WHT RED BLU RED vet RED 27 5 d er F CANOPY LIGHTING SN 1 F amel eol m om oL SOLENOID FAN PANEL GROUND VALVE FAN MOTORS OPTIONAL THEMPERATURE THERMOSTAT T 8 LAMPS LIBE H4 BLUE RED RED OPTIONAL NOSE LIGHTS 220VAC 9026527 Ji N7DNL 12 9050756 DIAGRAM WRG OC DFR E NUM 45691 434 3170 12333 120VAC 60HZ SUPPLV SOHZ INTERNAT ONAL September 2007 DESCRIPTION ALL CASES MUST BE GROUNDED NOTE Page 11 t Y n I e P TH Vi PU NHDHP L M Domestic amp Export 50 Hz Case Circuits 6 amp 8 Cases IE LAME Ib CEB LAMP STANDARD ra Pre 128 LAME Ror FT T B LIGHTS ne 7754 BALLAST 2 RON LAMPI M4 CISECLAMPI e YEL az a i e 1 s Y Or 2 LAMP LA ik BALLAST h RED Juan TE TLIETA OA same pam s aege
17. ainer 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 September 2007 Installation amp Service Manual Front Cladding 1 Remove front kickplate and racewav cover See General UL NSF 185 Manual 2 Remove color band bumper and bumper retainer from the case See General UL NSF 1 5 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 GENERAL INFORMATION NSF Product Thermometer Installation 1 Unwrap the thermometer and bracket assembiv shipped loose with the case NOTE Recommended bottom trav position is with the lips up 2 Position bracket in front left corner of the left most bottom trav 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 trav 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 trav with two screws washers and capnuts September 2007 N7DNHPL NHDHPIL M Egg Merchandiser Kit Instruction
18. al 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 September 2007 N7DNHPL NHDHP L N Fluorescent Lamp Circuit The standard lighting for the N7DNHPL and NHDHP cases is 2 rows of l 8 canopy lights Optional T 8 Nose Light is available on all models while l 8 shelf lighting is only avail able on the NHDHP models Defrost Information See General UL NSF I amp S Manual for oper ational descriptions for each type of defrost control Defrost Control Chart N7DNHPL Models Defrost Defrost Defrosts Duration Tvpe Per Dav Min Off Time 4 8 NHDHP Models Defrost Defrost Defrosts Duration Tvpe Per Dav Min Off Time 6 24 w shelves or produce insert Off Time 6 26 w peg bars mixed 8 24 or 26 minutes is for EPR only Defrost duration increases bv 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 t
19. ata 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 N7DNHPL NHDHP L N7DNHPL CROSS SECTION peo1 p a a LI n eur 64 1 2 62 ATO I 16 18 or 20 4 ar A Jb GEN 25 3 4 ME 37 1 4 83 1 4 3 x 5 Rear Piping Access Area 7 1 2 NOTE Front height is 19 1 4 and tray 3 depth is 23 3 8 for N7DNHPL with noselight N7DNHPL 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 s 1 1 2 situations for Standard 8 or 12 Patch End 1 Case length lt s gt Optional 3 25 344 3 5 Rear piping rear piping Base 2 1 2 Clearance Base legs between bottom 37 1 4 L 2 9 LS _ _ 20772 MANT am AM aputa ia d iod April 2008 Page 5 TYLER N7DNHPL NHDHP L M REFRIGERATION NHDHP L M High Perf Extended Height Med Temp Merchandisers Refrigeration Data CAPACITY BTUH FT _ DISCHARGE AI
20. d 208 Volt TOTAL TOTAL STANDARD TOTAL ANTI SWEATS CASE j FANS ECM TANS ME AIR MODEL LENGTH CASE WATTS WATTS AMPS WATTS OE 9 leto AON 2 072 840 070 520 NA NA T 8 Lighting with Electronic Ballasts 120 CANOPY LIGHTS PER ROW SHELF LIGHTS PER ROW NOSE LIGHT 8 ROWS ener NPS WATTS WATTS eee NHDHP 8 0 50 0 95 60 114 0 90 1 20 1 60 1 90 240 11081141192 228 288 0 80 60 345 462 LNHDHP 12 070 1 40 84 168 1 35 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 ELEK THERMOSTAT CONVENTIONAL meena AIR SENSOR SETTINGS SETTINGS COMPRESSOR SETTINGS h a CUT CUT R404A R22 PSIG R404A PSIG TMEOFF 6 4 32 F 30 F 52 66 50 36 64 47 TIMEOFF 6 26 JPEGBARS MIXEDviJ 30 F 28 F 50 64 48 36 62 47 97 TIME OFF 6 24 PRODUCEINSERT S4 F 32 F 55 70 53 36 67 47 high performance cases use OFF CYCLE defrost NOTE 24 or 26 minutes is for EPR with suction stop for defrost isolation Defrost times increases by four minutes when defrost isolation is by pump down f EPR is utilized use the settings shown in the chart ADD 0 5 to EPR setting for each 1000 foot rise in elevation
21. eratures Page 18 TYLER REFRIGERATION SERVICE INSTRUCTIONS See General UL NSF 1 5 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 EM i BE sem Ys Lamps Shelf Lamps All light ballasts are located under the canopv and mounted above oron the top of the canopy light channel This includes remote ballasts for optional shelf lights and optional nose lights 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 September 2007 Installation amp Service Manual PARTS INFORMATION Operational Parts List Case Usage Electrical Circuit Case Size Fan Motors Opt Fan Motor Export Fan Motor Brackets Fan Bracket Plate Fan Blades 8 75 277 5B Std Domestic 8 75 35 5B Std Domestic 8 75 35 5B Opt Export Opt ECM Fan Motors Opt ECM Fan Motor Brackets Opt ECM Fan Blades 8 75 25 5B 8 75 30 5B T 8 Ballast Canopy two lamps Opt Ballast 1 8 nose light Opt Ballast T 8 shelf lamps Opt Ballast 5th row shelf lamp T 8 Shelf Lampholder Light Switch NSF Product Thermometer N7DNHPL Domestic 115 Volt 60 Hertz 8
22. erformance cases use OFF CYCLE defrost NOTE 8 minutes is for EPR with suction stop for defrost isolation Defrost times increases by four minutes when defrost isolation is by pump down f EPR is utilized use the settings shown in the chart ADD 0 54 to EPR setting for each 1 000 foot rise in elevation Recommended setup for a conventional unit uses an electronic thermostat to assure accurate temperature control Case control is recommended using EPR only CASE TO CASE SUCTION LINE SUB FEED BRANCH LINE SIZING woo y uw mo e 2 le 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 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 Tviers control and we do not assume and hereby disclaim any liability for results obtained or damages incurred through application of or reliance on the d
23. h Shelf Light Sockets 1 Remove shelves and bottom travs 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 Page 14 TYLER REFRIGERATION 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 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 Honeycombs 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 ret
24. h two spring clips To remove card moulding squeeze each spring clip together until the card moulding releases Page 17 N7DNHPL NHDHPIL M 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 wavs 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 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 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 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 temp
25. he cabinet nameplate or the National Electrical Code Canadian Electrical Code Part 1 Section 28 208V defrost cir cuits 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 10 thru 13 will cover the N7DNHPL and NHDHP case circuits The defrost and lighting circuits are covered in the case circuit diagrams Page 9 N7DNHPL Domestic Export 50 Hz Case Circuits 8 Cases rali EEJ HU Z Te Piers E 2 ROWS p ez IN RED 2 LC 1 m BLK BLK ie LO T lt SELES s p 2 LAMP T8 c GRN 5 lo RED BLY REO lt y e BLU CTR BLU 5 GRN D a 2E 28 CANOPY LIGHTING 8 5 9 WT ror wa Dan Dau Lo B cea 5 1 TI 9 e z lt 3 5 5 i s o 5 T O 7 b Ol Q z 2 O ig 9 Lil FAN PANEL OPTIONAL SOLENOID VALVE A FAN MOTORS 2 PER 8 CASES 0 C IM ja OPTIONAL O THEMPERATURE THERMOSTAT wl 8 lt BLUE T 8 LAMPS cd LAMP P LAMP Bai RED OPTIONAL NOSE Page 10 GRN LIGHTS NOTE 120 60HZ SUPPLV 220 5OHZ INTERNATIONAL September 2007 N7DNHPL Domestic Export 50 Hz Case Circuits 12 Cases BL
26. ion 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 Installation amp Service Manual N7DNHPL NHDHP L NHDHP CROSS SECTION 43 15 16 18 T _ 20 or 22 i 1 noii E 58 1 4 NHDHPM _ 64 1 2 41a 83 1 4 AD PL 3 x9 Rear Piping Access Area Fi NHDHPM 21 3 4 1 8 7 1 2 NOTES Front height is 19 1 4 and tray depth is 29 5 8 for NHDHPL with noselight 3 Case and front heights are 3 inches taller for rear vacuum drain systems 41 1 2 43 1 2 NHDHP 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 n 6 8 or 12 Patch End 1 Case length i 2 3 x 5 Rear piping Optional 3 rear piping 32 access area 2 1 2 Clearance Base legs asusss amna Base efrigeration between bottom 8 Suction of drain pipe 43 1 2 O A 1 PVC waste o April 2008 Page 7 N7DNHPL NHDHPIL M INSTALLATION PROCEDURES Carpentrv Procedures Case Pull Up Locations 4 D All N7DNHPL and NHDHP models ha
27. lZ Carrier A United Technologies Company TYLER REFRIGERATION Installation amp Service Manual N7DNHPL NHDHPL NHDHPM HIGH PERFORMANCE EXT HEIGHT 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 IN U S A change without notice EDITION 12 05 DATE 9 07 NO 9307581 REV B Tyler Refrigeration Niles Michigan 49120 TYLER N7DNHPL NHDHP L REFRIGERATION A CONTENTS Page Specifications N7DNHPL Specification Sheets 4 NHDHPL NHDHPM Specification Sheets 6 Pre installation Responsibilities See General UL NSF 1 5 Manual Installation Procedures Carpentry Procedures 8 Case Pull Up Locations 8 Refrigeration Procedures 8 Electronic Thermostat Control 8 Electrical Procedures 9 Plumbing Procedures See General UL NSF 185 Manual Defrost Information
28. r 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 September 2007 N7DNHPL NHDHPIL M 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 Air Baffle Pegs Tan 15 Offset Support Arms al 2 Req d Card Moulding 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 wit
29. r 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 TVLER 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 TVLER SPECIFICATION GUIDE EVAPORATOR j UNIT SIZING Electrical Data Fans and Heaters 120 and 208 Volt TOTAL TOTAL TOTAL ANTI SWEATS ar FANS ECM FANS 120V MODEL LENGTH CASE WATTS WATTS WATTS N A l a Barak Coad 840 064 340 TONTDNHPL 12 3 1 08 1260 096 510 NA T 8 Lighting with Electronic Ballasts 120 Volt 2 ROWS SHELF LIGHTS PER ROW NOSE LIGHT 3 ROWS spa AMPS WATTS MODEL LENGTH AMPS WATTS 1 2 3 4 5 6 2 6 AMPS WATTS WATTS 1 3 4 5 N7DNHPL 8 0 95 N A N A N A N A 0 50 60 1 45 N7DNHPL 12 140 168 NA N A N A NA O70 84 210 252 Standard lighting for this case is 2 rows of T 8 canopy lights Defrost Data ELEK THERMOSTAT EPR CONVENTIONAL DURATION AIR SENSOR SETTINGS SETTINGS COMPRESSOR SETTINGS DEFROST DEFROST DEFROSTS TIME WATER Fdal R22 PSIG R404A PSIG i ke TAL FRONT LOAD wer L s Leesa pe A All high p
30. ve 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 Refrigeration Procedures Refrigeration system and superheat instruc tions can be found in the General UL NSF I amp S Manual Case electronic temperature control information is listed below Electronic Temperature Control Whenever an N7DNHPL or NHDHP 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 8 TYLER REFRIGERATION Heating Cooling Mode f Cut out at Setpoint Cut in at Setpoint 1122 Unlocked V Locked Set the Heating Cooling jumper blocks to the COOL position Set the Cut in at Setpoint Cut out at Setpoint jumper blocks to the Cut out at Setpoint position Set the keypad Locked Unlocked jumper blocks to the Unlocked position Replace

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