Installation & Service Manual
Contents
1. TO EAR CASE ANTI SWEAT HEATERS m Sec DIAGRAM 3038463 FOR REAR CASE a AARNES CONNECT TONS sla KS 3 Elst i oo FRONT GLASS RETAINER ANTI SWEAT HEATER al TE 99 ay iis ES oo E poa rece ims nmt TI 3 18 zz IN ur ANTI SWEAT THERUOSTAT AMAA MNN all HELE S OPENS 10 F CLOSES 0 F x zi i i 28 3 za O all EE 2 18 ES lo i 3 3 oz xz HE J van y LI ON 5 A CASES RUN N SPLIT UA E UE E En g OPTIONAL DUAL TEMP ONE SWITCH FRONT ONE zl Llaze 5 alg UR TEMPERATURE Sw Ten sh re REA 225 ul S 91 218 DE i AF JO tue CASES gee x 12 2 5 0 9 zd OPTIONAL ven Aarlen FIER Bes 2 8 5 ze SOLENOID Aen n enne eeens 1245 t HH VALVE sut i E HE si wire WITE BEE N BROWN n 1622839 k RED RED f ols OPTIONAL FAN DELAY H hi T LE LE 2 e HEH g 88 THERMOSTAT FARI BE ENT OPENS 50 F cLOSES 40 F 5 B ran cane ph n REA FAN MOTORS GROUND W RIGES BEEN seas Qul e 1 DA E 2 PER Breast a 2 PER FAD CASE T2. 2 Electrical Consid erations i cing rre REEL ans einde 2 Defrost Information esee 2 Defrost Control Chat e 2 DefrostSchedules siii 3 Installation Procedure Check Lists See General UL NSF I amp S Man Wiring 3 NFJ G NCJ 6 Domestic Export 50Hz Case Circuits 4 NT G NFMJ G Domestic Export 50Hz Case Circuits 6 NFJ GE NCJ GE Domestic amp Export 50Hz End Case Circuits 17 NTJ G NFMJ G NFJ G Dual Temperature Control Circuit 8 Optional Superstructure Wiring Circuit 9 Cleaning and Sanitation See General UL NSF I amp S Manual Component Removal and Installation Instructions for Cleaning 20 Bottom Trays zeven rete menten ed 20 NSF Product Thermometer ssi eR RE ead 20 Discharge Air Honeycomb eneen 20 Reat Air Duct Panels sm uns i epe Een 20 Front Ai Ducts P hels iti s poen deponi im pc en 20 COMER ATM artis eda tp ATP RENE 20 Front ig lv EN E 20 Page 2 February 2001 NFJ G NCJ G NTJ G Installation amp Service Manual NFMJ G NFJ GE NCJ GE Page Service Instructions Preventive Maintenance See General UL NSF I amp S Manual NSF Product Thermometer Replacement 21 Corner Trim Replacement 21 Perimeter Glass
3. September 2001 Page 15 NT G NFMJ G Domestic Export 50Hz Case Circuits alal ANTI SWEATS ele 2 LOWER SUPPLY Uy EXTERNAL DRAIN HEATER aie arona sor cas persosr E le ad 2 TERMINATION X0 88 OPENS 55 F CLOSES 40 F JORVAC 60H7 CRN ja E SUPPLY cLoses ss F opens zoer B E E RE omaa THE KLIXON 15 MOUNTED TEMPERATURE INTERNATIONA M ON THE PIPE BETWEEN e HCRMOSTAT N 2 TRE DiSTRUB ITOR ANO TRAD THE CHECK VALVE ON 3 NTERNAT ONAL THE EVAPORATOR COIL n a ma CONTROL CIRCUITS ROTE ERSE OTE AL CASES GROUNDED 4 ro ri Toll em d ni o H wu 58 IE ort ows mor cas pernost 1 3 4 oc do i 3 OPTIONAL trail zo M H CLOSE opens doer BB TEMPERATURE wl 2 kol THERMOSTAT GN OF TO x E lt n ON THE PIPE SETWCEN 3 EZ o B Weise e b mac THE CHECK VALVE ON gt s j TO FANS gt N 3 Ure E POWER SUPPLY v Ze 1 70 x
4. R404A IC 7 8 1 1 8 1 1 8 13 8 13 8 1 3 8 1 3 8 15 8 1 5 8 R22 MED 1 2 se se ze 7 87 78 7e DEFROST CONTROL i BACKUP PRESSURE SETTINGS EPR SETTINGS PER DAY MODE TIME TERM CUTIN R22 R404A 1 ELECT FF 60MIN sor FF 124 R404A 2 RAOAA m 148 1 ELECT IC 36 MIN 50F ic 6 R404A 18 RA04A mS En 1 ELECT MED 36MIN sor MED 34 R22 248 R22 378 2 3 HOT GAS 20 25 MIN 55F 124 O R404A 28 R404A 148 1 HOT GAS IC 25 30 MIN 55F ic 6 R404A 1 404 uad 88 23 HOTGAS MED 20 25 MN 55 MED 124 R22 248 R22 378 ES If an Electronic Sensor is used for termination it should be set at 70 F termination temperature Used with Electronic Thermostat and EPR Control Set EPR to give this pressure at the case CASE CIRCUITS In addition to the 208V defrost circuit there is the 120V case fan circuit plus the 120V case anti sweat heater circuit Shelf or canopy lights require a separate 120V circuit which can be switched at the back room for convenience in controlling the lights CASE BTUH REQUIREMENTS are calculated to produce approximately the indicated performance with absolute maximum operating ambient limits of 75 amp 55RH The information contained herein is based on technical data and tests which we believe to be reliable and is intended for use by persons having techn
5. A 3 OPEN 50 SEAT LE m M DEFROST HEATER ES E 5 Hi MYNTTI Y REAR GLASS HEATERS y AYA HE TE E i SEAR GLASS RETAINER ANTI SREAT HEATER E 2 n 2 Sla WIENEN S izle CENTER RISER ANTI SWEAT HEATER M HHR tt sie N N EIRAE gs I ali OPTIONAL SUPER STRUCTURE ANTI SWEAT HEATERS _ g LL CENTER RISER ANTI SNEAT HEATER KR i MN i H FRONT GLASS RETAINER ANTI SWEAT HEATER vini ET E FRONT GLASS HEATERS VUN WT TIITU Ng DI EE CECI cu SH la i a m OPTION SOLENOID VALVE 3 v 307 an pane ty 1 LL ANNAA E Cr m 9 TT TT s DEFROST HEATER q 5 DARD ON CASES SUPPLY EXTERNAL DRAIN HEATER INTERNATIONAL Page 14 February 2001 zie 0 uo pe 5 pe M on n ui FOR 25 NI 08 0 FAN MOTORS m i m le 3 PER 12 CASE i i zo oo 2 PER BOSE ur i x ox e
6. LIQUID LINE soldered to Suction Line CHECK VALVE For Hot Gas Defrost SUCTION LINE e To COMPRESSOR VALVE LIQUIO LINE soldered to Suction Line Page 11 NFJ G NCJ G G NFMJ G NFJ GE NCJ GE Electrical Procedures Electrical Considerations CAUTION Make sure all electrical connections at components and terminal blocks are tight This prevents burning of electrical termi nals and or premature component failure NOTE The raceway houses the electrical wiring and components for the case All raceway covers will be shipped loose The NFJG or NFMJG do not require the heated perimeter glass when used for medium temp operation The glass heater should be disconnected from the terminal block Cases equipped with optional dual tem perature control will de energize the perimeter glass with klixon when Switched to medium temp operation 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 On gas defrost cases the fan circuit is controlled by a 50 40 klixon NOTE With gas defrost the fans will not start until the coil temperature reaches 40 F at the fan delay thermostat This only applies in the medium temp mode Anti Sweat Circuit NFJ G NCJ G NTJ G NFMJ G cases have one anti sweat heater in the top of the center riser and one under the perimeter glass retaine
7. i 32 N N ST i 5 z S i 22 x 3 MANNAN NNN KENNIS E 8 0 248 ME 8 HEAR GLASS HEATERS ziz 2 a s 1 518 E MANNI FCG 1 zelus zoe pad B vl REAR GLASS RETAINER ANTI SHEAT HEATER 31318 a FIEL sp om AAA HE i 2 CENTER RISER ANTI SWEAT HEATER g Bej mi n Ey BEL E ii H OPTIONAL SUPER STRUCTURE LIGHTING i HERE Hi d 1 q Reale I E i i 2 Bed OPTIONAL SUPER STRUCTURE ANTI SWEAT HEATERS pi 8 2 2 t ze Les lt a ae E 515 3 amp 215 i 5 CENTER R SER ANTI SWEAT HEATER Si 1318 S AAA AAA Fi 3 EI EE Y i SA i FEE s Hs si FRONT GLASS RETAINER ANTI SWEAT HEATER 4 gle T AAA AYAAN e EI H EI 5 5 FRONT GLASS HEATERS ze WANNA MAMMA EL mu 1 5 16 TT TT S3 C3 E mt Sd Om 2 PER 8 CASE N L J si t GPT TONAL SOLENOID i VALVE H TN OG F 61 FAN PANEL i FAN DELAY THERMOSTAT 15 ONLY USED ROUND f ON NFUG MEDIUM TEMPERATURE CASES mu OPENS 50 F CLOSFS 40 F E E AAA 3 39 E 5 1 d E cn Ly ro rans ak OPT ONAL HOT GAS DEFROST 3 OPTIONAL POWER SUPPLY CRN BURMA KON RS TEMPERATURE f 5 OPENS 55 7 Sor TRERMOSTAT 120VAC Ed oR lo SUPPLY closes ss r oncns aor B 6 Gl ne anos aout sonz ON THE PIPE BETWEEN 2 jg INTERNATIONAL 2 THE DISTRVEITOR AND DIE THE CHECK VALVE ON ZEB THE EVASORATOR COIL zh 10 ma circ HE APN e NOTE MUST BF OUNDED
8. 22F 15F 25 Evaporator temperature is defined as the saturated suction temperature leaving the case NOTE COMPRESSOR SIZING SHOULD ALLOW FOR SUCTION LINE PRESSURE DROP THE ABOVE RATINGS ARE FOR COMPRESSOR SELECTION ONLY FOR ENERGY CALCULATION DATA REFER TO THE ENERGY SECTION FOR COMPRESSOR SIZING INFORMATION REFER TO THE GOLD SECTION amp FOR LINE SIZING INFORMATION REFER TO THE BUFF SECTION OF THE TYLER SPECIFI CATION GUIDE 208 VOLT DEFROST AMPS FT 8 12 16 20 24 28 32 36 40 44 48 FF MED 138 206 276 344 412 1PH TG 30 TG 30 TG 40 TG 50 TG 50 N A N A N A NA N A 120 180 18 0 210 27 0 30 0 33 0 36 0 420 2424 27 27 FF MED TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 3PH 30 30 30 40 50 40 50 so so 40 40 40 40 IC 276 412 1PH TG 40 TG 50 N A NA NA 240 360 360 42 0 36 36 30 30 TG 3 TG 3 T 2 TG 3 TG 3 Te 3 TG 3 TG 3 NA NA 3PH 30 50 50 50 50 50 40 40 50 50 50 50 50 50 j CASE TO CASE SUCTION LINE SUB FEED BRANCH LINE SIZING R404A FF 7 8 7 8 118 1187 1118 1e 1e 12 138 15e N A N A N A N A N A 36 36 36 36 42 42
9. September 2001 NFJ GE NCJ GE Domestic Export 50Hz End Case Circuits Gu oo M d S 29 bx DISCHARGE AIR ANTI SWEAT HEATER VOORAAN H zi i wi R RIGHT GLASS RETAINER ANTI SWEAT HEATER as a ox FRONT GLASS RETAINER ANTI SWEAT HEATER VANWIINANNA LE S E E LEFT GLASS RETAINER ANTI SWEAT HEATER WMWWWWWMIAIY TEI Ze A H gt cu C E RIGHT GLASS HEATER WWMM HII 8 98 o 1 NOTE UNPLUG GLASS HEATERS N NFJGE FRONT GLASS HEATER WAHR C I 32 LJ 5 CASES FOR MEDIUM TEMPERATURE Usage PONT GLASS NE i 4 L x LEFT GLASS HEATER WAWANIN FCF 8 8 gx 5 os OF dz eee FAN MOTORS Q 25 BB g g I 5 pop zi s 28 OPTIONAL E89 LA E SOLENOID o FIS VALVE els 1 p af Mali FAN DELAY THERMOSTAT CANO E UD E 2 USED ONLY ON NFJGE MEDIUM 2 ale TES TEMPERATURE CASES d EI Bor de OPENS 50 F CLOSES 40 F g el OPTIONAL HOT GAS DEFROST 8 s als B TERMINATION KLIXON 8 ES 3 HH 5 OPENS 58 F CLOSES aoe ERE t Bh 5 gt ANTI SWEATS JEE Orms N ale R closes s8 F OPENS 40 F gt MM power SUPPLY E Allg 2 Eam i THE KLIXON 15 MOUNTED EXTERNAL DRAIN HEATER 2 lg PIPE BETWEEN 9 3 EH KHE STR
10. 8 55 lg Wii CONTROL CIRGUITS a Bit d OF NRE RE P OEFROST HEATERS Slo z 8 EEN N by ARAL 218 ja DEFROST Limit Sui TOA Cr chit OPTIONAL OFEN SOF CLOSE 30 F s sjsj SOLENOID VALVE MNM PICT COND DEFROST MEATER HE STANDARO ON NIJG CASES g 2 x E Cr IEN TAN MOTORS O 8 H hade FAN DELAY THERMOSTAT M a USE IN nue CASES amp FOR MEDION TEMPERATURE 1 i 21215 G ez ET sect 5 OPENS SO F CLOSES 40 F L 9 ag ANNAM SSL g 1415 REAR GLASS HEATERS 2 2 al ls AAA g i REAR GLASS RETAINER ANTI SWEAT HEATER E MEE E o NER AMATE i i CENTER RISER ANTI SWEAT HEATER n al Ig a Sa Ae ca x Gly SE 3 zz mag 5 OPTIONAL SUPER STRUCTURE LIGHTING 42 818 w v 8 I a 3 spiga OOE 2823 5 M S OPTIONAL SUPER STRUCTURE ANTI SWFAT HEATERS Ii a z ed CENTER RISER ANTI SWEAT HEATER sali UL s eal FRONT GLASS RETAINER ANTI SHEAT HEATER WANT C FRONT GLASS HEATERS NOTE UNPLUG FRONT amp REAR GLASS HEATERS IN AMIG CASES FOR Tov TEMPERSTORE USAGE FAN DELAY THERWOSTAT a For MEDIUM Teu OF O On GE Ij Fan worons H n 2 PER av case jm ip DEFROST HEATERS OPTIONAL I m i r pA WAR VA LIMIT SWITCH es OPEN sO F cLoSE 30 F CT lt 3 j Tv WMJ E CRONO SECOND DEFROST HEATER STANDARD ON TG CASES Page 16
11. amps to the adjacent case for the End Case Superstructure Anti Sweats If the End Case Superstructure has lights ADD an additional 0 3 amps to the adjacent case February 2001 Page 5 G NCJ G NTJ G NFMJ G NFJ GE NCJ GE Tyler Refrigeration NFJ G NCJ G NTJ G NFMJ G Glass Frt J umbo Island FF amp IC Merchandiser NFJ GE NCJ GE Glass Frt J umbo Island FF amp IC End Merchandiser Add 4114 tor wiap End Add 112 Pienen FLOOR PLAN id tor Thies Parton 8012 i iuc J k 5 T N x Adeltiona 37 8 Clearance i Acl Refrigeration Between Botiom of FM Drain Pipe and Floor El ss E I pcs 5 m Scion b ase Outer na 38 Lava O i SID lo Front of Case OA Opt to Raar ct Cose a Lory A J xj ica I to T 5 lt ks 406 IN 15 12 9 gt 91 4 55 Sal 914 2 732 ar 77 112 END CASE FLOOR PLAN jos IDE 55 Base Rail i ATA i Refrigeration i 30 1 2 35 1 2 7 8 Suction i 918 Liquid Hectrie 40 V8 to i LA Raceway Cover 1 ger cene ha 4 30 gt lt 2 a 4 Clearance 38 1 2 Between Bollom e 22 Drain Pipe RorL 40 1 8 o L endfloot 7 an Page 6 February 2001 Installation amp Service Manual INSTALLATION PROCEDURES Carpentry Procedures Case Pull Up Locations A B X x D T
12. and angle brackets 9 with four adjustment bolts 12 The center uprights may face in either direction Connect upright wire plugs 13 to harness Route wires and harness around the uprights in the insulation 4 Install LH end post as described in step 2 NOTE Notches on upright alignment channel will help position the channels properly 5 Position the upright alignment channel 14 on top of the upright posts Using the holes in the upright alignment channel as a guide drill 1 8 pilot holes in the upright posts and secure with screws 15 February 2001 Installation amp Service Manual NOTE Notches on top riser caps will help posi tion the caps properly 6 Install top riser caps 16 on top of the center partition Drill pilot holes in the top center of the two riser caps and secure secure with screws 17 7 Install each pair of shelf brackets 18 in slots in upright posts Use one RH and one LH bracket per shelf Superstruc tures with end shelves have angled brack ets on the end shelf uprights 8 Position shelves 19 on shelf brackets 18 and install front alignment screws 20 9 Install shelving close offs in space between shelves The close offs are sup ported by the shelf brackets If end close offs are supplied they are also secured to the shelf brackets February 2001 NFJ G NCJ G NT G NFMJ G NFJ GE NCJ GE
13. each case The heater wiring stubs out in the 208V raceway as two pairs of wires Defrost circuits can therefore be wired as a single phase load or they can be wired as an unbalanced 3 phase load The 3 phase defrost information is based on dividing the heater loads as evenly as possible across the phases NOTE Optional shelving superstructures with lights have the same electrical requirements per row of lights as the amps shown separate electrical sup ply for the superstructure lights must be provided since there is no plug in from the superstructure to the case TWIN TEMP NOTES The NTJG amp NFMJG both have split refrigeration coils with dual refrigeration stub ups The NTJG model has two electric defrost heaters per side and can be used for twin temp by using separate refrigeration systems on each coil The NFMJG has one electric defrost heater per side and can be used for medium temp on one side and frozen food on the other Disconnect the heated glass when using this case at medium temp operation Cases with dual temp controls will do this automatically END CASE ELECTRICAL AND REFRIGERATION DATA 120V FANS AMPS 120V 208V 120V BTUH ANTI SWEAT DEFROST DRN HTR MODEL USE REQUIRED STD ECM AMPS AMPS AMPS NFJGE FF 3120 25F 10 4 29 86 1 NCJGE IC 4080 Q 35F 10 4 29 8 6 1 NFJGE MED 2600 15F 10 4 29 8 6 A ADD 0 4
14. 10 Plug in the shelf anti sweat heaters 21 and shelf lights 22 Position card moldings 23 as shown and drill 1 8 pilot holes in riser caps 16 Secure card moldings 23 to riser caps 16 with screw 24 Page 9 NFJ G NCJ G NT G NFM G GE NC GE Trim Installation Alignment See General UL NSF I amp S Manual for bumper color band raceway and kickplate installation Corner Trim Installation Most corner trim on these cases comes fac tory installed The kickplate corner trim requires field installation abe 2 After kickplates 1 have been installed slide kickplate corner trim 2 into both ends of the kickplates 1 Page 10 Tyler Refrigeration Plumbing Procedures See General UL NSF I amp S Manual for rec ommended drain practices Waste Outlet Heater 1 TEE amp PLUG HEATER WIRING RUN TO ELECTRICAL RACEWAY 1 ELBOW amp NIPPLE 4 RECOMMENDED NOT FURNISHED These cases require a waste outlet heater A 16 Watt heater is located inside a pipe just below the 1 waste pipe and runs from one side to the other The heater wires run into the case raceway and are to be connected to the fan circuit leads when wiring the cases Refrigeration Procedures See General UL NSF I amp S Manual for gen eral system control and superheat infor mation There are four standard versions of the 8 and 12 cases G is for froze
15. 16300 5216300 5963472 Opt Superstructure Lighting 430MA Ballast 20W 1 lamp 5102019 5102019 430MA Ballast 40W 1 lamp 5627909 5627909 5627909 5627909 T 12 Lampholder 5217544 5217544 5217544 5217544 5217544 5217544 NSF Product Thermometer 5967100 5967100 5967100 5967100 5967100 5967100 For information on operational parts not listed above contact the TYLER Service Parts Department Page 28 February 2001
16. 22 Defrost Heater Replacement 22 Fan Blade and Motor Replacement See General UL NSF I amp S Man Anti Sweat Replacement 23 Color Band and Bumper Replacement See Gen UL NSF I amp S Man Parts Information Cladding and Trim Parts 5 24 Operational Parts 151 28 TYLER Warranty See General UL NSF I amp S Manual The following Low and Split Temperature Frozen Food and Ice Cream Merchandiser models are covered in this manual MODEL DESCRIPTION NFJG 8 amp 12 GLASS FRONT JUMBO ISLAND FROZEN FOOD MERCHANDISER NCJG 8 amp 12 GLASS FRONT JUMBO ISLAND ICE CREAM MERCHANDISER NTJG 8 amp 12 GLASS FRONT JUMBO ISLAND SPLIT TEMP MERCHANDISER NFMJG 8 amp 12 GLASS FRONT JUMBO ISLAND SPLIT TEMP MERCHANDISER NFJGE GLASS FRONT JUMBO ISLAND FROZEN FOOD END MERCHANDISER NCJGE GLASS FRONT JUMBO ISLAND ICE CREAM END MERCHANDISER February 2001 Page 3 NFJ G NC G NTJ G NFMJ G NFJ GE NCJ GE Tyler Refrigeration SPECIFICATIONS NFJ G NCJ G NTJ G NFMJ G Glass Frt J umbo Island FF amp IC Merchandiser GE NCJ GE Glass Front umbo Island FF amp IC End Merchandiser NFJG NFJG NFMJG MED TEMP DUAL FF MED TWIN FF IC CAPACITY BTUHIFT 594 369 297 369 448 EVAPORATOR 15F 25F 15F 25 35F ENTER AIR 22F 15F
17. Band Painted Color Band Backer Painted Bumper End Trim Bumper Backer Bumper Front Cladding Painted Raceway Cover Backer Raceway Cover End Trim O 0 4 0 Uu 5 W N Ee HHH 51 W N H 9 Raceway Cover Kickplate Kickplate Backer 15 Kickplate Support Assy per side Shoulder Screw m 16 Screw per retainer 17 Raceway Cover Retainer per side 18 Raceway Support per side 19 Screw per support 20 Raceway 21 Cladding Retainer per side 22 Screw per retainer 23 Shoulder Screw per side 24 Horizontal J oint Trim 25 Binding Screw 26 LH End Close off Painted RH End Close off Painted Page 24 Tyler Refrigeration G NCJ G NTJ G NFMJ G 8 12 93018082 93018082 5120206 5120206 9025058 9025061 9025833 20 9025833 24 9020971 9020972 9025982 9025982 color per order color per order color per order 9025209 9025210 color per order color per order color per order color per order 9023569 9023569 9042415 3 9042415 4 9025833 8 9025833 8 5183536 2 5183536 2 9023841 4 9023841 6 9041465 4 9041465 4 5183536 5183536 9300218 9300219 9300197 4 9300197 4 5183536 5183536 9025833 8 9025833 10 5196166 5196166 5222637 6 5222637 6 9027925 9027925 9027926 9027926 February 2001 NFJ G NCJ G NTJ G NFMJ G NFJ GE NCJ GE Installation amp Service Manual Page 25 February 2001 NFJ G NC G NTJ G NFMJ G NFJ GE NCJ GE Tyler Re
18. EO 3 M e 1 gt TT g EE Bg te ANT sweats E 19 m I NATION KL n 5 HEC 3 WHAM EEA EENEN 4 rm 2 Eels R croses ssi opens aon EXTERNAL DRAIN HEATER art tata 9 FIM i THE KL izon i wounteD ig REBHEHE ON Tht PIPE BETWEEN lp HE THE Dis Rcg oa AND can 115 THE CHECK VALVE ON Em glo The BOER CSL vaovac_ onz a Fg EPL H mai W 5 gle CONTROL CIRCUITS 220VAC 50 FS T INTERNATIONAL 2 HOT GAS DEFROST IO REAR CASE ANTI SWEAT HEATERS SARNESS CONNECT IONS ni lt FRONT CLASS RETAINER ANTI SMEAT HEATER ail IE KUUSISTA TE ai iu FRONT GLASS HEATERS 2 SB AR HA COCO M M DUAL TEMPERATURE Bren pu l AAT THEMA TEMPERATURE Sw E BS TEMP ONE SW ICH FRONI ONE E 3 EM i nue lt GRF TJG CASES 528 j ge WITTE Seg En eae n FAN MOTORS Eno s sovenor 3 PER i2 CASE SE Sg Dar ime o D n ME BS ES 2 PER END CASE i TTS U 4 H 582843 DEFROST HEATER i VMV E DEFROST LIMIT SWITCH FAN PANEL OPEN 50 F CLOSE 30 F GROUND IQ 4 SECOND DEFROST a STANDARD ON MTJG CAS ANT Swears WWW DEN dose EXTERNAL DRAIN HEATER 208VAG soz SUPPLY on 1z0vAC gonz 220vAC b0HZ SUPPLY INTERNET IONAL T OR i 220VAC 50 INTERNATIONAL ELECTRIC DEF Page 18 September 2001 NFJ G NC G NTJ G Installation
19. TYLER Ar Installation amp Service Manual G NCJ G NTJ G G NFJ GE NCJ GE GLASS FRONT JUMBO ISLAND MERCHANDISERS Low and Split 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 NEF International Health and Sanitation standard ANSI NSF 7 1999 PRINTED IN Specifications subjectto REPLACES ISSUE PART IN U S A change without notice EDITION DATE 2 01 No 9037165 REV Tyler Refrigeration Corporation Niles Michigan 49120 G NCJ G NTJ G NFMJ G NFJ GE NCJ GE Tyler Refrigeration CONTENTS Page Specifications NFJ G NCJ G NTJ G NFMJ G NFJ GE NCJ GE Specification Sheets 4 Line Sizing Requirements See General UL NSF I amp S Manual Pre Installation Responsibilities See General UL NSF I amp S Manual Installation Procedures Carpentry Procedures en 7 Case Pull Up Locations LL 7 T Solid Partito N o as ae dial bee mb aeg bi eb Un 7 Plexiglas Partition sita dtc Re ete a P etae ten s 7 Superstructure Installation o 8 Trim Installation Alignment Li 0 Plumbing Procedures isis e s 0 Refrigeration Procedures ee 0 Optional Dual Temperature Control 1 Electrical Procedures
20. UBITOR AND am 2 318 E CHECK VALVE ON I TO FANS 8 Eje TEE EVAPORATOR COLE a I POWER SUPPLY 120va0 SONZ bar 2E TO RACK SUPPLY OPTIONAL 08 CONTROL CIRCUITS TEUPERATURE SOZ THERMOSTAT HOT GAS DEFROST INTERNATIONAL NOTE CASES FOR MED UM OPTIONAL LEFT GLASS RETAINER ANTI SWEAT HEATER WWW UNPLUG GLASS HEAT TEMPERATURE THERMOSTAT DISCHARGE AIR ANTI SWEAT HEATER WAWANMAN RIGHT GLASS RETAINER ANTi SWEAT FRONT GLASS RETAINER ANTI SWEAT HEATER WWW CH TER wam EC HO RIGHT GLASS HEATER VINNIE A ERS IN NFJOE FRONT GLASS HEATER WANNE TEMPERATURE USAGE LEFT GLASS HEATER WOMM E i OPTIONAL rav motors d SOLENCIO a i ALVE i I IL vitii ELO FAN PANEL Gt de DEFROST LIMIT SWITCH i OPEN 50 F CLOSE 30 n fom 19 ANTI SWEATS s l BONER SUPPLY Ey EXTERNAL DRAIN HEATER E 10 FANS 208 0 60112 Ca H POWER SUPPLY SUPPLY OR 220VAC 5017 INTERNATIONAL ELECTRIC DEFROST NOTE ALL CASES MUST BE GROUNDED 120VAC SUPPLY OR 229VAC INTERNAT ONAL 60KZ 50KZ September 2001 Page 17 NT G NFMJ G NFJ G Dual Temperature Control Circuits
21. amp Service Manual NFMJ G NFJ GE NCJ GE Optional Superstructure Wiring Circuit END SHELF 4 STD SHELVES w LIGHTS END SHELF w LIGHT w LIGHT lesa 12 CASE SHOWN February 2001 Page 19 NFJ G NCJ G NT G 6 GE NCJ GE CLEANING AND SANITATION Component Removal and Installation Instructions for Cleaning Bottom Trays 1 Remove product from bottom of case 2 Grasp and lift out each of the bottom trays from the case interior and carefully remove through the door openings 3 After cleaning replace in reverse order NSF Product Thermometer Remove four screws and product thermome ter bracket assembly from right rear location in the case After cleaning replace product thermometer bracket assembly and secure with four screws Discharge Air Honeycomb 1 Remove screws and bottom retainer strip from front or rear interior of case NOTE Note position of the honeycomb grid dur ing removal so it can be reinstalled the same way 2 Remove honeycomb grid sections from the front or rear 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 bottom retainer strip and screws Page 20 Tyler Refrigeration Rear Duct Panels 1 Remove bottom trays and discharge air oneycomb NFJ E NCJ E see above 2 Remove mou
22. ed in the same location as the klixons for that defrost type Any other locations will effect the refrigeration efficiency of the case Defrost Schedules For satisfactory performance both sides of he case should be scheduled to defrost at he same time This holds true even when both sides run from different machines Two Single Machines Use the defrost clock which controls one of the machines and run a relay to control the other machine Defrost oad is spread across clock contacts and extra contactors as required Parallel with Electric Defrost and Dual Temp or Split Temp Operation Use one sta ion of the multi circuit time clock to control he defrost circuit breakers for the cases defrost heaters This ensures both sides defrost at the same time Parallel with Gas Defrost NTJ G or NFMJG only Make sure that only 2596 of the com bined load frozen food amp ice cream or frozen food amp medium temp is on one circuit Use one station of the multi circuit time clock to control the booster circuit and that portion of the frozen food cases opposite the ice cream side Gas defrosting is only available as an option on cases operated from a parallel system About 2596 ofthe cases can be defrosted at one time This allows the refrigeration heat being removed from the cases to be used to defrost the others February 2001 NFJ G NCJ G NT G NFMJ G NFJ GE NCJ GE NOTE Insulated partitions must be used between ca
23. frigeration Cladding and Trim Parts Lists Item Description GE NCJ GE Front Side 1 Bumper Retainer 9025867 9025866 2 2 Shoulder Screw per side 9025833 6 9025833 3 3 Color Band Painted 9020965 9020969 4 Color Band Backer Painted 9025982 9025982 5 Bumper color per order 6 Front Cladding Painted 9025769 9025768 7 Raceway Cover color per order 8 Kickplate color per order 9 Kickplate Support Assy per side 9042415 4 9042415 2 Screw 9025833 8 9025833 4 10 Screw per retainer 5183536 2 5183536 2 11 Raceway Cover Retainer per side 9023841 3 9023841 2 12 Raceway Support per side 9041465 4 9041465 2 13 Screw per support 5183536 5183536 14 Raceway 9300266 2 9300267 RH 9300268 LH 15 Cladding Retainer per side 9300197 3 9300197 2 16 Screw per retainer 5183536 2 5183536 2 17 Shoulder Screw per side 9025833 3 9025833 2 Corner Trim Parts List Item Description Per Corner 1 Bumper Corner Glass Trim color per order 2 Screw 9025833 2 3 Corner Cladding Trim 9041335 4 Screw 5048626 2 5 Screw 9025833 2 6 Raceway Corner Trim color per order 7 Kickplate Corner Trim Painted color per order 2 Page 26 February 2001 NFJ G NCJ G NTJ G NFMJ G NFJ GE NCJ GE Installation amp Service Manual Page 27 February 2001 NFJ G NC G NTJ G NFMJ G NFJ GE NCJ GE Tyler Refrigeration Operational Parts List Case Usage Domestic Export Electrical Circuit 115 Volt 60 Hertz 220 Volt 50 Hertz Ca
24. he NFJ G NCJ G NTJ G NFMJ G models have four pull ups at each end of the case Top two for adjoining main cases or bottom two for adjoining end cases The NFJ GE and NCJ GE models have four pull ups at the rear of the case Pull ups A and B or A B C and D are located as shown and should be installed and tightened starting with A and finishing with B or D 1 Solid Partition A 1 insulated partitions is required between adjacent gas defrost cases that are on different defrost schedules 1 partitions are shipped installed as specified in the case order Make sure the partitioned case is being installed in the proper location in the case line up This assures proper refrigeration to all parts of the case line up February 2001 NFJ G NCJ G NT G NFMJ G NFJ GE NCJ GE Apply sealant to outside surface of partition where the two surfaces of the adjoining case will contact the partition See General UL NSF I amp S Manual for line up assembly instructions After all case pull ups have been secured all interior wall joint seams should be sealed with duct tape Plexiglas Partition A plexiglas plug partition is required on adja cent electric defrost cases that are on differ ent defrost schedules These partitions can be installed after the cases have been joined 3 2 1 Install partition brackets 1 at case joint on front center and or rear case wall 2 with screws 3 2 Slide plexiglas partitions 4 i
25. ical skill at their own discretion and risk Since conditions of use are outside Tyler s control we can assume no liability for results obtained or damages incurred through the applications of the data presented SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE Page 4 February 2001 NFJ G NCJ G NTJ G Installation amp Service Manual NFMJ G NFJ GE NCJ GE NFJ G NCJ G NTJ G NFMJ G Glass Frt J umbo Island FF amp IC Merchandiser NFJ GE NCJ GE Glass Frt J umbo Island FF amp IC End Merchandiser 120 VOLT ELECTRICAL DATA AMPS 120 VOLT LIGHTING DATA ANTI SWT OPTIONAL SHELF STD ECM WISUPER HEATED LIGHTS PER ROW FT FANS FANS ANTI SWT STRUCTR GLASS FT AMPS 8 20 8 38 49 13 8 20 12 30 12 50 66 20 12 30 NOTES FOR NFJG NFMJG OR NTJG SPLIT TEMP OPERATIONS FF IC TEMP NTJG 1 side frozen food 1 side ice cream must use synchronized defrost Frozen food 369 BTUH FT 25F Evap amp Ice cream 448 BTUH FT 35F Evap FF MED TEMP 1 side frozen food 1 side medium temp must use synchronized defrost NFJG NFMJG Frozen food 369 BTUH FT 25F Evap amp Medium temp 297 BTUH FT 22F Evap These values are based on one foot of case with each side of the case considered separately Add the totals from both sides to calculate the load for the entire case DEFROST WIRING There are two heater circuits in
26. ion by flipping a switch The dual tem perature control consists of an EPR valve in the suction line coming off the evaporator The EPR valve can be bypassed with a solenoid controlled bypass line around it The toggle Switch opens or closes this solenoid Gas Defrost Dual Temperature Controls with EPR Valve Electric Defrost Dual Temperature Controls with EPR Valve TO EXPANSION VALVE February 2001 7 SOLENOID NFJ G NCJ G NT G NFMJ G NFJ GE NCJ GE When the solenoid is open the evaporator is connected directly to the compressor suction that allows for low temperature operation When the solenoid is closed the evaporator must operate through the EPR valve which has been preset to the desired medium tem perature EXAMPLE R 404A system with 12 psig of suction pressure With the suction line sole noid open the coil pressure operates at 12 psig with a temperature of 29 F When tog gle switch is flipped the solenoid closes directing the flow through the EPR valve If the EPR valve is set for 48 psig the evapora tor will see a coil temperature of 12 F and will operate at a discharge air temperature of about 22 F When gas defrost is used an additional check valve is mounted around the EPR valve to allow reverse flow for the defrosting gas A fan delay is also connected with gas defrost to cycle the fans off but only during the medi um temperature mode COMPRESSOR SOLENOID p
27. m top of glass 4 2 Unclip and lift up fan plenum 1 4 Loosen rear retainer 7 and remove broken glass from glass retainer assembly 8 NOTE Inspect the anti sweat wire in glass retainer assembly If wire is damaged or broken replace it before replacing the front glass 5 Apply sealant tape to top and bottom edge 5 Restore electrical power to case of new glass 4 6 Position new glass 4 in glass retainer assembly 8 and secure by tightening rear retainer 7 7 Install glass trim rail 6 with screws 5 over top edge of new glass 4 8 Install glass joint trim 3 with screws 2 over the joint areas of glass 4 3 Disconnect defective defrost heater 2 and remove from mounting clips 3 and case 4 Install new defrost heater 3 in reverse order 9 Reconnectthe anti sweat wires 1 Page 22 February 2001 Installation amp Service Manual Anti Sweat Heater Replacement WARNING Shut off or disconnect power supply to case before changing an anti sweat Electrical power from wire ends could damage other components and or cause personal injury or death Glass Retainer Anti Sweat All Models NOTE Perimeter glass must be removed from glass retainer See Perimeter Glass Replacement in this manual Corner cases require removal of all raceway covers cladding corner trim bumpers and bumper retainers 1 Disconnect or cut the defective anti sweat wires 1 from the case
28. n food or medium temp usage and is equipped with one electric defrost heater on each side The entire case or each individual well is run from a single refrigeration system The NFJG will operate at low or medium temperatures NCJ G is for ice cream usage and is equipped with two electric defrost heaters on each side The entire case runs from a single refrigera tion system 6 is a split temp version for ice cream on one side and frozen food on the other NTJG is equipped with two electric defrost heaters on each side and can be run from separate refrigeration systems February 2001 Installation amp Service Manual NFMJG is a split temp version for frozen food on both sides NFMJG is equipped with one electric defrost heater on each side and can be run from separate refrigeration systems The NFJ G and NFMJG cases can also be set up to display frozen food on one side and medium temp on the other Either side can be optionally set up with a dual temperature con trol to allow one side to be switched between low temp and medium temp operation G or NFMJG cases set up for electric defrost medium temp applications utilize the standard defrost heaters Gas defrost medium temp applications incorporate a fan delay klixon Optional Dual Temperature Control The dual temperature control unit is a factory installed option This control allows the user to easily switch from medium to low temperature operat
29. nting screws from rear duct panel 3 After cleaning replace in reverse order Front Air Duct Panels 1 Remove bottom trays and discharge air oneycomb NF NCJ NT see this page 2 Remove screws and front air duct panels rom case 3 After cleaning replace in reverse order Corner Trim 1 See page 21 for corner trim removal instructions 2 After cleaning trim and cladding compo nents replace front cladding and corner trim components in reverse orde using instructions below and on page 21 Front Cladding 1 Remove front kickplate and raceway cover 2 Remove screws from bottom and top of front cladding and pull cladding down to remove it from behind the bottom edge of the bumper retainer 3 After cleaning replace front cladding and remaining front components in reverse order February 2001 Installation amp Service Manual SERVICE INSTRUCTIONS See General UL NSF I amp S Manual for fan blade and motor replacement color band and bumper replacement and raceway cover removal instructions NSF Product Thermometer Replacement SS 1 1 Remove four screws 1 and thermometer bracket 2 from rear of case 2 Remove two screws nuts washers and the product thermometer 3 from the ther mometer bracket 2 3 Install and secure a new product ther mometer 3 on the thermometer bracket 2 with two screws washers and nuts 4 Install thermometer bracket 2 on rear of ca
30. nto partition brackets 1 Page 7 NFJ G NCJ G NT G 6 GE NCJ GE Superstructure Installation Make sure top riser caps and discharge grids are removed Clear insulation on top of the center partition from the superstructure end sockets and the upright support angles 1 Ifthe wiring hamess has not been factory installed remove insulation from top of center riser and lay wire harnesses 1 on top of the center partition 2 The 8 har ness has three female plugs and one male plug The 12 harness has four female plugs and one male plug There is one harness for shelf anti sweat heaters and one for the shelf lights The sockets are not interchangeable The anti sweat har ness male plug connects at the RH post socket The light harness male plug goes down the RH post socket 3 and plugs into the matching receptacle in the 115V case wiring block 4 Replace insulation Pull 2 Position the RH end post 5 in the RH superstructure hole in the center riser 3 Install the two plugs 6 and push them into the insulation Push down the RH end post 5 until it seats into the center riser 3 and secure with four bolts 7 Page 8 Tyler Refrigeration NOTE On 12 cases the electrical outlets on the center posts must face the end posts U 3 Install the base plate 8 to the angle brack ets 9 with four bolts 10 Install and align the center upright 11 to base plate 8
31. r When cases are equipped with an optional superstructure there is an anti sweat heater on the superstructure NFJ GE NCJ GE end cases have one anti sweat heater in the dis charge air grid and under the perimeter glass retainer The perimeter glass is also heated Page 12 Tyler Refrigeration on all models Anti sweat heaters are wired directly to the main power supply so it can operate at all times Superstructure Shelf Lamp Circuit Optional superstructures are equipped with one row of 430MA T 12 shelf lights Defrost Information See General UL NSF I amp S Manual for operational descriptions for each type of defrost control Defrost Control Chart Defrost Defrost Defrosts Duration Term Type Per Day Min Temp Electric FF 1 60 50 F Electric IC 1 36 50 F Electric MED 1 36 50 F Gas FF 2 20 25 55 F Gas IC 2 25 30 55 F Gas MED 2 20 25 55 F NFJG NCJG NTJG NFMJG Zu SERI Die LES IN AME BAS E Electric Defrost Termination F S Electric Defrost Failsafe Opt F D Gas Defrost Fan Delay AIS Glass Anti Sweat Dual Temp Most klixons are located on the right end of the evaporator coil The diagram shows the location for each defrost type that uses a klixon NOTE The termination klixon for gas defrost is located at the bypass check valve February 2001 Installation amp Service Manual CAUTION If electronic sensors are used in place of the klixons the sensors must be locat
32. se Size 8 12 End Case 8 12 End Case Fan Motor 5644521 5644521 5644521 5126572 5126572 5126572 5 Watt 5 Watt 5 Watt 5 Watt 5 Watt 5 Watt Fan Motor Brackets 5213132 5213132 5213132 5213132 5213132 5213132 Fan Bracket Plate 9041077 9041077 9041077 9041077 9041077 9041077 Fan Blades 6 21 3B 5105621 5105621 5105621 6 27 3B 5104294 5104294 5104294 Opt ECM Fan Motor 9025002 9025002 9025002 8 Watt 8 Watt 8 Watt Opt ECM Fan Motor Brackets 5205279 5205279 5205279 Opt ECM Fan Blades 9025138 9025138 9025138 6 25 1 4 3B Anti Sweat Heater Wire glass retainer 5218331 5218332 5081149 5081150 NFJ G NCJ G NTJ G NFMJ G center riser 5124818 5124810 5081149 5081150 NFJ G NCJ G NTJ G NFMJ 6 discharge air 5028893 5081271 NFJ GE NCJ GE front glass retainer 5233734 5081201 NFJ GE NCJ GE side glass retainer 5225475 2 5229188 2 NFJ GE NCJ GE Opt Elec Def Heater 5088278 5088279 5195710 5088278 5088279 Opt Elec Def Term Klixon 5125211 5125211 5125211 5125211 5125211 Opt Gas Def Fan Delay Klixon 9023503 9023503 9023503 9023503 9023503 Medium or Dual Temp only Opt Gas Def Term Klixon 9023508 9023508 9023508 9023508 9023508 Opt Glass Anti Sweat Klixon 9310711 9310711 9310711 9310711 9310711 Dual Temp only Waste Pipe Heater 5215068 5215068 5963471 52
33. se line ups that have gas defrost Single Temp cases NFJ G NCJ G NFJ GE NCJ GE have individual coil piping that needs to be joined at installation when both sides and or ends are on the same system Split Coil cases NTJ G NFMJ G with gas defrost should be piped to their respective systems and defrosts should be scheduled at the same time Each coil requires a separate defrost termination klixon at the check 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 14 thru 19 will cover the G NCJ G NTJ G NFMJ G NFJ GE NCJ GE case circuits electric defrost circuit gas defrost circuit dual tem perature control circuits and the superstruc ture wiring circuit Page 13 G NCJ G Domestic Export 50Hz Case Circuits a N SECON HEATER 3 STANDARD ON NCJG CASTS 3 2 5
34. se with four screws 1 February 2001 NFJ G NCJ G NT G NFMJ G NF GE NCJ GE Corner Trim Replacement Since some of the corner trim fasteners are hidden remove the trim and hardware in the following sequence 1 Remove kickplates 1 and kickplate cor ner trim 2 from both sides of the corner trim 2 Remove raceway covers 3 from both sides of the corner trim 3 Remove two screws 4 and corner cladding trim 5 4 Remove two top screws 6 from the race way corner trim 7 then lift and remove the raceway corner trim from the retainers in the bottom slots 5 Remove two bottom screws 8 and lift off the bumper corner glass trim 9 6 Replace corner glass trim raceway corner trim corner cladding trim raceway covers and kickplates in reverse order Page 21 NFJ G NC G NTJ G NFMJ G NFJ GE NCJ GE Tyler Refrigeration Perimeter Glass Replacement Defrost Heater Replacement NOTE WARNING End cases require corner trim removal before replacing the glass See Corner Trim Replacement in this manual Always shut off electricity to case before replacing a defrost heater Automatic cycling of fans or electrical power to wire ends could cause personal injury and or death 1 Unplug glass anti sweat wires 1 2 Remove two screws 2 and glass joint trim 3 from both joints of the broken glass 4 3 Remove screws 5 and glass trim rail 6 l Remove bottom trays from case fro
35. wires 2 Remove and replace the aluminum tape 2 and defective anti sweat wire 1 from the bottom of the front glass retainer 3 3 Reconnect the anti sweat wires to case wires 4 Replace the perimeter glass and any other trim or cladding that was removed February 2001 NFJ G NCJ G NTJ G NFMJ G NFJ GE NCJ GE Center Riser Anti Sweat NF G NCJ G NTJ G NFMJ G nni 2 N 4 Remove screws 1 and top riser caps 2 and insulation from top of center riser 3 Disconnect or cut the defective anti sweat wires 4 from the case wires Remove and replace the aluminum tape and defective anti sweat wire 4 from the bottom of the top riser cap 2 Reconnect the anti sweat wires to case wires and reinstall the insulation top riser caps and screws Discharge Air Grid Anti Sweat NFJ GE NCJ GE lt 1 dee 3 4 5 Remove screws and rear guard trim 1 from top of rear case wall 2 Disconnect or cut the defective anti sweat wire 3 from the case wires Remove and replace the aluminum tape l 4 and defective anti sweat wire 3 from top of rail and wire trim assembly 5 Reconnect anti sweat wires to case wires and reinstall the rear guard trim with screws Page 23 NFJ G NCJ G NT G G GE NCJ GE PARTS INFORMATION Cladding and Trim Parts Lists Item Description Glass oint Trim Screw Bumper Retainer Shoulder Screw Color
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