Installation & Service Manual
Contents
1. March 2004 Page 27 NFJA NCJA NTJA NFJEA NCJEA Operational Parts List Case Usage Electrical Circuit Case Size Fan Motor Fan Motor Brackets Fan Bracket Plate Fan Blades 6 21 3B 6 27 3B Opt ECM Fan Motors Opt ECM Fan Motor Brackets Opt ECM Fan Blades 6 25 1 4 3B Anti Sweat Heater Wire Discharge Air NFJA NCJA NTJA Discharge Air NFJEA NCJEA Return Air Lo Watt NFJA NCJA NTJA Return Air NFJEA NCJEA Electric Def Heater NFJA NCJA NTJA NFJEA NCJEA Electric Def Term Klixon Opt Gas Def Fan Delay Klixon Med or Dual Temp only Opt Gas Def Term Klixon Opt Gas Def Drain Pan Heater 50 30 Klixon Drain Pan Heater 120V Hot Gas All Models 208V Elec NFJA 208V Elec NCJA NTJA Opt Superstructure Lighting 430MA Ballast 20W 1 lamp 430MA Ballast 40W 1 lamp T 12 Lampholder NSF Product Thermometer Tyler Refrigeration End Case 5644521 5 Watt 5213132 9041077 5105621 9025002 8 Watt 5205279 9025138 5080970 5028893 9313164 9036670 9303208 5102019 5217544 Domestic 115 Volt 60 Hertz 8 12 5644521 5644521 5 Watt 5 Watt 5213132 5213132 9041077 9041077 5105621 5105621 9025002 9025002 8 Watt 8 Watt 5205279 5205279 9025138 9025138 9313417 9313416 5124216 5124217 9313431 9313430 9313263 9313262 9036670 9036670 9303208 9303208 9023508 9023508 52463482. 2 z 2 2 z CENTER RISER ANTI SWEAT HEATER FRONT FRONT RETURN AIR ANTI SWEAT HEATER VW E E FAN MOTORS 3 PER 12 CASE Oa rot 2 PER B CASE KLIXON COIL MEDIUM TEMPERATURE USAGE LOCAT i ON FAN DELAY KLIXON FOR OPENS 50 F CLOSES 40 REAR COIL DRAIN PAN HEATER HG FAN DELAY CONTROL KLIXON ae OPTIONAL OPEN 30 F CLOSE 50 F GROUND SOLENOID VALVE DRAIN PAN HEATER FAN PANEL er DRAIN PAN HEATER CONTROL KLIXON FRONT COIL FANS POWER SUPPLY TERMINATION KLIXON gt OPENS 55 F CLOSES 40 F Q OR CLOSES 55 F OPENS 40 F OPTIONAL TEMPERATURE THERMOSTAT 120VAC 60HZ SUPPLY 120VAC 60HZ OR SUPPLY 220VAC 50HZ OR INTERNAT IONAL 220VAC 50 2 INTERNAT I ONAL ON THE PIPE BETWEEN THE DiSTRUB TOR AND THE CHECK VALVE ON THE EVAPORATOR COIL RACK CONTROL CIRCUITS NOTE ALL CASES MUST BE GROUNDED 3 THE KLIXON 15 MOUNTED 2 3578 NO 35019 NMOUB Page 14 March 2004 NTJA Domestic Export 50Hz Case Circuits IONAL TEMPERATURE TO FANS THERMOSTAT POWER SUPPLY DRAIN PAN HEATER DEFROST LIMIT SWITCH OPEN 50 F CLOSE 30 F OPTIONAL AAA E SOLENOIO DEFROST HEATER FAN MOTORS i 5 i 3 12 N B 2 PER B CASE MW EL T REAR RETURN AIR ANTI SWEAT HEATER CENTER RISER ANTI SWEAT HEATER REAR 5199436 OPTIONAL SUPER STRUCTURE LIGHTIN
3. EL T REAR RETURN AIR ANTI SWEAT HEATER 1 DESCRIPTION MEDIUM TEMPERATURE USAGE OPENS 50 F CLOSES 40 F FAN DELAY KLIXON FOR CENTER RISER ANTI SWEAT HEATER REAR 5199436 DECIMALS OPTIONAL SUPER STRUCTURE LIGHTING OPTIONAL SUPER STRUCTURE ANTI SWEAT HEATERS LHA CENTER RISER ANTI SWEAT HEATER FRONT KLIXON COIL LOCATION REAR COIL FRONT RETURN AIR ANTI SWEAT HEATER 5 3 12 CASE 2 ER 8 CASE ME IUM TEMPERATURE USAGE OPENS 50 F CLOSES 40 F FAN DELAY KLIXON FOR DRAIN PAN HEATER DRAIN PAN HEATER CONTROL KLIXON 5224112 5199447 DRAIN PAN HEATER CONTROL KLIXON OPTIONAL OPEN 30 F CLOSE 50 F SOLENOID VALVE OPTIONAL HOT GAS DEFROST TERMINATION KLIXON 8 OPENS B5 F CLOSES 40 F 9 OR CLOSES 55 F OPENS 40 F THE KLIXON IS MOUNTED ON THE BETWEEN THE DISTRUBITOR AND THE CHECK VALVE ON THE EVAPORATOR COIL 77 RACK CONTROL CIRCUITS Page 16 OPTIONAL TEMPERATURE THERMOSTAT 3518 NO 35079 NMOMB POWER SUPPLY 120VAC 60HZ SUPPLY OR 220VAC 50HZ I ONAL 120VAC 60HZ SUPPLY OR 220VAC 50 2 INTERNAT ONAL ALL CASES MUST BE GROUNDED March 2004 5 rid NFJEA NCJEA Domestic amp Export 50Hz Case Circuits In 35 1421s OPTIONAL SOLENOID OPTIONA
4. 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 NOTE On 12 cases the electrical outlets on the center posts must face the end posts 3 Install and align the center upright 10 to base plate 8 and angle brackets 9 with four bolts 11 The center uprights may face in either direction Connect upright wire plugs 12 to harness Route wires and harness around the uprights in the insulation Page 8 Tyler Refrigeration NOTE Items 8 and 9 will be shipped loose on superstructures ordered through TYLER Service Parts Department Separate installation instructions will be provided with the superstructures 14 19 4 Install the LH end post 13 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 13 Using the holes in the upright alignment channel as a guide drill 1 8 pilot holes in the upright posts 13 and secure with screws 15 6 Install each pair of shelf brackets 16 in slots in upright posts 13 Use one RH and one LH bracket per shelf Super structures with end shelves have angled brackets on the end shelf uprights 13 7 Position shelves 17 on shelf brackets 16 and install front
5. 5246348 9313385 9313384 9313436 9313437 9313349 9313348 5627909 5627909 5217544 5217544 5967100 5967100 5967100 220 Volt 50 Hertz g 5126572 5 Watt 5213532 9041077 5104294 5081149 5081147 9313431 9313263 9036670 9303208 9023508 5246348 5627909 5217544 5967100 12 5126572 5 Watt 5213532 9041077 5104294 5081150 5081148 9313430 9313262 9036670 9303208 9023508 5246348 5627909 5217544 5967100 End Case 5126572 5 Watt 5213532 9041077 5104294 5081201 5081271 9313164 9036670 9303208 5102019 5217544 5967100 For information on operational parts not listed above contact the TYLER Service Parts Department Page 28 June 2004
6. JUMBO ISLAND ICE CREAM END MERCHANDISER March 2004 Page 3 NTJA NFJEA NCJEA Tyler Refrigeration SPECIFICATIONS NFJA NCJA NTJA NFJEA NCJEA Jumbo Island and End Frozen Food Ice Cream Medium Temperature Merchandisers Refrigeration Data DISCHARGE AIR ANG REF CAPACITY BTUHIFT CAPACITY BTUHIFT IFT CASE CHARGE MODEL LENGTH PARALLEL CONVENTIONAL LBS FT NFJA 8 12 FROZEN 544 568 2 28 45 230 085 NCJA 8 12 icecream 636 62 5 258 25 230 085 NFJA 8 12 Mepteme 437 48 5 230 085 NTJA 8 12 FROZ MEDTEMP 272 218 284 224 25 415 NTJA 8 12 FROz icecAm 272 318 284 326 25 35 28 38 15 25 230 043 043 NFJEA 77 2 FROZEN 2 266 23647 258 2 45 230 095 NCJEA 77 1 2 icecream 2883 2 957 54 25 230 0 NFJEA 77 4 2 2 2294 2286 54 ma 2 904 055 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 is measured 60 minutes after defrost at the Discharge Air Ducts BTUH rating is for entire end case FOR SPECIFIC COMPRESSOR SIZING AND OR LINE SIZING INFORMATION REFER TO THE GOLD AND OR BUFF SECTIONS IN THE TYLER SPECIFICATION GUIDE EVAPORATOR UNI
7. amp Service Manual NFJEA NCJEA Page Service Instructions Preventive Maintenance See General UL NSF 1 5 Manual NSF Product Thermometer Replacement 21 Corner Trim Replacement 21 Defrost Heater Replacement 21 Drain Pan Heater Replacement 22 Fan Blade and Motor Replacement See Gen UL NSF 1 5 Manual Anti Sweat Replacement 22 Center Riser Discharge Air Anti Sweat NFJA NCJA NTJA 22 Discharge Air Anti Sweat NFJEA NCJEA 22 Return Air Duct Anti Sweat NFJA NCJA NTJA 23 Return Air Duct Anti Sweat NFJEA NCJEA 23 Color Band and Bumper Replacement See Gen UL NSF 1 5 Man Parts Information Cladding and Trim Parts Lists 24 Operational Parts 16 28 TYLER Warranty See General UL NSF 1 5 Manual The following Low Temperature Frozen Food and or Ice Cream Medium Temperature and Dual Temperature Split Coil Merchandiser models are covered in this manual MODEL DESCRIPTION NFJA 8 amp 12 JUMBO ISLAND FROZEN FOOD OR MEDIUM TEMP MERCHANDISERS NCJA 8 amp 12 JUMBO ISLAND ICE CREAM MERCHANDISERS NTJA 8 amp 12 JUMBO ISLAND LOW AND MEDIUM TEMPERATURE DUAL TEMP SPLIT COIL MERCHANDISERS NFJEA JUMBO ISLAND FROZEN FOOD OR MEDIUM TEMP END MERCHANDISER NCJEA
8. e 2 we s 4 58 FF MED 16 0 24 0 32 0 40 0 Separate circuit due to high draw 1PH TG 30 TG 30 TG 40 TG 50 FF MED 12 1 20 7 18 6 18 2 31 1 32 8 37 0 15 6 15 6 gt ro 2 26 8 26 8 31 0 31 0 32 0 32 0 3 PH TG 3 30 TG 3 30 TG 3 30 TG 3 30 TG 3 40 TG 3 40 TG 3 50 TG 3 30 30 TG 3 30 30 TG 3 40 40 TG 3 40 40 TG 3 40 40 24 5 38 9 Separate circuit recomninended due to high amp draw 1PH TG 30 TG 50 21 0 34 0 32 0 38 0 34 34 28 28 34 34 38 38 34 34 34 34 34 34 38 38 38 3 PH TG 3 30 TG 3 40 TG 3 40 TG 3 50 TG 3 40 40 TG 3 40 40 TG 3 40 40 TG 3 40 40 TG 3 50 50 TG 3 40 40 40 TG 3 40 40 40 TG 3 50 50 50 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 data and tests that we believe are reliable and is intended for use by persons having technical skill at their own discretion and risk Since conditions of use are outside of Tylers control we cannot assume any liability for results obtained or damages incurred through the applications of the data presented SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE Page 4 June 2004 NFJA NCJA NTJA Installation amp Service Manual NFJEA NCJEA CASE TO CASE SUCTION LINE SUB FEED BRANCH LINE SIZING t e v
9. which has been preset to the desired medium temperature EXAMPLE R 404A system with 14 psig of suction pressure With the suction line sole noid open the coil pressure operates at 14 psig with a temperature of 25 F When the toggle switch is flipped the solenoid closes directing the flow through the EPR valve If the EPR valve is set for 49 5 psig the evapo rator will see a coil temperature of 15 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 medium temperature mode March 2004 Installation amp Service Manual Electrical Procedures Electrical Considerations CAUTION Make sure all electrical connections at components and terminal blocks are tight This prevents burning of electrical terminals and or premature component failure NOTE The raceway houses the electrical wiring components and terminal blocks for the case All raceway covers will be shipped loose Case Fan Circuit This circuit is to be supplied by an uninterrupt ed protected 120V circuit Cases being used for Low Temp applications with electric or gas defrost keep fans on all the time Cases being used for Medium Temp applications with electric defrost also keep fans on all the time Cases being used for Med
10. ww 20 2 2 3 3 4 epum um ve id Defrost Data DEFROSTS DURATION TERMINATION DEFROST WATER DEFROST TYPE PERDAY TIME MIN TEMP F PSIG LB FT DAY ELECTRIC FE 1 60 5 7 14 068 1 se 8 058 ELECTRIC MD 1 36 5 37 50 045 HOTGAS FF 223 2025 55 7 14 068 HOTGAS G 1 2530 5 3 8 058 HOTGAS MED 23 1620 55 37 50 0452 If an Electronic Sensor is used for termination it should be set at 70 F termination temperature Set EPR to give this pressure at the case NFJA NCJA APPLICATIONS The NFJA NCJA and NTJA cases can be used in a wide variety of applications as described below NFJA NCJA These models have front and rear coils piped together and both wells are run off one compressor system Always pipe the compressor system that will supply the c ldest application usage 1 Frozen food on both sides 2 ice cream on both sides NCJA only 3 Medium temp on both sides No dual temp control is needed but you must specify the proper expansion valve and size the compressor system accordingly 4 Frozen food on one side and ice cream on the other side NCJA only Frozen food on one side and medium temp on the other side 6 Frozen food on one side and dual temp on the other side NOTE Dual temp refers to frozen food or medium temp operatio
11. 1 Bumper Retainer 2 Bumper Retainer Hand Rail Backer 3 Color Band Painted 4 Color Band Backer Ptd 5 Bumper End Trim 6 Bumper Backer 7 Bumper 8 Front Cladding Ptd 9 Raceway Cover Backer 10 Raceway Cover End Trim 11 Raceway Cover 12 Kickplate Ptd Screw per kickplate 13 Screw per retainer 14 Raceway Cover Retainer per side 15 Kickplate Support Assy per side Shoulder Screw 16 Screw per side 17 Raceway Support 18 Screw per support 19 Screw 20 Raceway 21 Cladding Retainer per side 22 Screw per retainer 23 Shoulder Screw per side Corner Trim Parts List Item Description Raceway Corner Trim Kickplate Corner Trim Ptd 1 Upper Corner Trim bumper 2 Screw 3 Corner Cladding Trim 4 Screw 5 Screw 6 7 9329436 9324612 4 5183536 2 9023841 8 9043402 2 9025833 8 5183536 6 9041465 4 5183536 2 5120943 10 5205386 9300197 3 5183536 9025833 6 2 color per order 9025833 2 9041336 5048626 4 9025833 2 color per order 9324546 2 9329437 2 9324612 2 5183536 2 9023841 2 9323069 2 9025833 4 5183536 4 9041465 2 5183536 2 5120943 8 5203747 2 9300197 2 5183536 9025833 3 For additional information on parts not listed above contact the TYLER Service Parts Page 26 March 2004 NCJA NTJA Installation amp Service Manual NFJEA NCJEA
12. ASE NFJA NF JEA OPTIONAL SHELF LIGHTING ANT SWEATS REAR CASE FANS NFJA NTJA 9039568 OPTIONAL SOLENOID VALVE FAN DELAY THERMOSTAT 1S ONLY USED ON HG DT OR MED TEMP CASES OPENS 50 F CLOSES 40 F FAN MOTORS n 3 PER 12 CASE 2 PER 8 2 PER END CASE fe NONE DIAGRAM WRG DT CS 32045 8 E o9JANO4 g cras NONE THE POWER INPUT CONNECTOR 8 FOR NFJA amp NFJEA CASES POWER CONNECTION SHOWN FOR NTJA FRONT CONNECTION 15 MADE COIL L FABRICATED MODE DRAIN PAN HEATER USED IN AND TJA CASES ONLY DRAIN PAN HEATER ONTROL KLIXON OPENS 30 F CLOSES 50 F 2 OPTIONAL HOT GAS DEFROST gt gt TERMINATION KLIXON a amp OPENS 55 F CLOSES 40 F 9 oR CLOSES 55 F OPENS 40 F Luc ON THE PIPE BETWEEN THE DISTRUB TOR AND n Hi HECK VALVI IN 220VAC 50 2 OR THE EVAPORATOR COIL INTERNAT IONAL 220 50 2 eee 10 RACK INTERNAT ONAL CONTROL CIRCUITS HOT GAS DEFROST I 8 4 E 1 U al z lt o e X 34 be 5 8 P THE KLiXON 15 MOUNTED 02 120VAC 0 2 SUPPLY FIDECIMALS n lt a D a gt iy ml likl 3514 NO 35079 NWOHB OPTIONAL DUAL TEMPERATURE SWITCH ONE SWITCH CONTROLS NFJA OR NFJEA CASE OR ONE SIDE OF NTJA CASE OPTIONAL SHELF ANTI SWEATS REAR CASE FANS NF JA NTJA REAR DEFROST HEATERS NF JA NTJA SH
13. G EE NN OPTIONAL SUPER STRUCTURE ANTI SWEAT HEATERS 5212544 CENTER RISER ANTI SWEAT FRONT RETURN AIR ANTI SWEAT HEATER WA MOTORS 3 PER 12 CASE al Oa 2 PER 8 CASE E 1 U OPTIONAL SOLENOID DEFROST HEATER VALNE Ww w DEFROST LIMIT SWITCH OPEN 50 F CLOSE 30 F FAN PANEL WHILE e DRAIN PAN HEATER PTIONAL THERMOSTAT i TO FANS POWER SUPPLY 208VAC 60H2 SUPPLY 120VAC 60HZ OR SUPPLY 220 50HZ OR INTERNAT 1 ONAL 220VAC 50 2 INTERNAT I ONAL ALL CASES MUST BE GROUNDED March 2004 NTJA 8 amp 12FT DIAGRAM WRG ELEC DFR 030 ANGLES 1 DEGH DECIMALS a Page 15 BLA 9059561 DESCRIPTION RI REFRIGERATION CORPORATION OPTIONAL HOT GAS DEFROST 3 TERMINATION KL IXON m OPENS 55 F CLOSES 40 F 9 R aay LE ol CLOSES 55 F OPENS 40 F OPTIONAL TEMPERATURE THERMOSTAT THE KLIXON 15 MOUNTED ON THE PIPE BETWEEN THE DISTRUBITOR AND THE CHECK VALVE ON THE EVAPORATOR COIL 10 RACK CONTROL CIRCUITS NTJA 8 amp 12FT 3518 NO 35019 MONS 710 5 POWER SUPPLY DIAGRAM WRG HG DFR 9059580 O FINISHED PART AFTER DRAIN PAN HEATER OPTIONAL SOLENOID 4 VALVE DRAIN PAN HEATER If gt CONTROL KL IXON 3 OPEN 30 F CLOSE 50 F 5224112 PART T FAN MOTORS 7 T 3 PER 12 CASE 2 PER B CASE
14. L HOT X TERMINATION KLIXON In 5 OPENS 55 F CLOSES 40 F OPENS 40 F CLOSES 55 F THE KLIXON IS MOUNTED ON THE PIPE BETWEEN THE DISTRUBITOR AND THE CHECK VALVE ON THE EVAPORATOR COIL TO RACK CONTROL CIRCUITS OPEN ON RISE CLOSE ON RISE OPTIONAL SOLENOID VALVE OPTIONAL TEMPERATURE THERMOSTAT March 2004 GAS DEFROST XON DISCHARGE AIR ANTI SWEAT HEATER WWW gt 1 RETURN AIR ANTI SWEAT HEATER O FAN MOTORS FAN DELAY KLIXON USED ON MEDIUM TEMP CASES FAN DELAY OPENS 50 F CLOSES 40 F CONNECT ION 5224112 POWER SUPPLY OPTIONAL TEMPERATURE THERMOSTAT 120VAC 60 2 SUPPLY OR 220VAC 50HZ INTERNAT IONAL HOT GAS DEFROST DISCHARGE AIR ANTI SWEAT HEATER WAM P RETURN AIR ANTI SWEAT HEATER FAN MOTORS DEFROST HEATER DEFROST LIMIT KLIXON OPEN 50 F CLOSE 30 F FAN PANEL GROUND 5 POWER SUPPLY 208 60HZ SUPPLY OR 220 2 TR a INTERNATIONAL 220 50 2 INTERNAT IONAL ELECTRIC DEFROST NOTE ALL CASES MUST BE GROUNDED 9039565 BA E i mus or axe 32045 H ho Hww SS 030 ANGLES 1 DEG REVISE DIA TO NEW CASE MODEL 00 05 4 1 fo DECIMALS Page 17 NTJA NFJA Dual Temperature Control Circuits OPTIONAL DUAL TEMPERATURE SWITCH ONE SWITCH CONTROLS A NFJA OR NFJEA CASE OR ONE SIDE OF A NTJA C
15. OWN FOR NTJA FRONT COIL aa FOR NFJA amp NFJEA CASES CONNECTION IS MADE AT OPTIONAL THE POWER INPUT CONNECTOR SOLENOID VALVE a Dl FAN MOTORS 3 PER 12 2 PER 2 PER END case L DEFROST HEATER DEFROST LIMIT SWITCH OPEN 50 F CLOSE 30 F FAN PANEL DRAIN PAN HEATER USED AND NTJA CASES ONLY 208VAC 60HZ SUPPLY OR 120VAC 60HZ 220 50HZ SUPPLY INTERNAT IONAL OR 220VAC 50 2 INTERNAT ONAL ELECTRIC DEFROST Page 18 March 2004 NFJA NCJA NTJA Installation amp Service Manual NFJEA NCJEA Optional Superstructure Wiring Circuit END SHELF 4 STD SHELVES w LIGHTS END SHELF w LIGHT w LIGHT 12 CASE SHOWN PM March 2004 Page 19 NFJA NCJA NTJA NFJEA NCJEA CLEANING AND SANITATION Component Removal and Installation Instructions for Cleaning Bottom Screens and Trays 1 Remove product from bottom screens 2 Push screens up until bottom screen tabs clear the holes in the front duct 3 Remove bottom screens from holes in center riser panel and from case 4 Grasp and lift out each bottom tray from the case interior 5 After cleaning replace in reverse order Bottom tray should have ribs up CAUTION Do not place product directly on bottom trays Doing so could break a bottom tray and or cause damage to the case NSF Product Thermometer Remove two screws and product thermome ters from top righ
16. P Gas Defrost Drain Pan Heater NOTE The defrost termination klixon for gas defrost is located at the bypass check valve CAUTION If electronic sensors are used in place of the klixons the 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 Page 11 NFJA NCJA NTJA NFJEA NCJEA Defrost Schedules For satisfactory performance both sides of the case should be scheduled to defrost at the 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 load is spread across clock contacts and extra contactors as required Parallel with Electric Defrost and Dual Temp or Dual Temp Split Coil Operation use one station of the multi circuit time clock to control the defrost circuit breakers for the cases defrost heaters This ensures both sides defrost at the same time Parallel with Gas Defrost NTJA only Make sure that only 25 of the combined load frozen food amp ice cream is on one cir cuit 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 25 of the cases can be defrosted a
17. R RISER ANTI SWEAT HEATER REAR 5199436 WHT OPTIONAL SUPER STRUCTURE LIGHTING OPTIONAL SUPER STRUCTURE ANT SWEAT HEATERS EL LAMP LLAST BAI Vid 5212544 CENTER RISER ANTI SWEAT HEATER FRONT FRONT RETURN AIR ANTI SWEAT HEATER FAN MOTORS 3 PER 12 CASE CH 2 PER B CASE OPTIONAL SOLENOID DEFROST HEATER VALVE DEFROST LIMIT SWITCH OPEN 50 F CLOSE 30 F FAN PANEL f WANNA SL 522 DRAIN PAN HEATER OPTIONAL TO FANS TEMPERATURE THERMOSTAT POWER SUPPLY 208VAC 60HZ SUPPLY 120VAC 60HZ SUPPLY 220VAC 50 2 INTERNAT I ONAL 220VAC 50 2 INTERNAT I ONAL ALL CASES MUST BE GROUNDED March 2004 NFJA NCJA 8 amp 1 2FT g H NE DIAGRAM WRG ELEC DFR 030 ANGLES 1 DEG PIDECIMALS Page 13 Sa AS E oo A gt fed 9059557 DESCRIPTION ADDED ASWETS NFJA NCJA 8 amp 12 DIAGRAM WRG DFR 9059558 DRAIN PAN HEATER CONTROL KLIXON OPEN 30 F CLOSE 50 F 2045 owe jo 17bEcos B B d MENS MANUAL REVISIONS ALLOWED 9 Ei FAN MOTORS 1 5 3 PER 12 CASE 2 PER 8 MAMMA 3 REAR RETURN AIR ANTI SWEAT HEATER PART TYPE T 5 sues 030 ANGLES 1 DEG CENTER RISER ANTI SWEAT HEATER REAR DESCRIPTION 5199436 ADDED MODEL 3221 DECIMALS Fee r eee put xoxo L 3 lt
18. SF 1 5 Manual Refrigeration Procedures 10 Optional Dual Temperature Control 10 Electrical Procedures 11 Electrical Considerations 11 Defrost 11 Defrost Control Chart 11 D frost Schedules nn 12 Installation Procedure Check Lists See Gen UL NSF I amp S Manual Wiring DIagrams irs zx RP pisc E a DRAA E C Pg Y d RR PES 12 NFJA NCJA Domestic amp Export BOHz Case Circuits 13 NTJA Domestic amp Export BOHz Case Circuits 15 NFJEA NCJEA Domestic amp Export 50Hz End Case Circuits 17 NTJA NFJA Dual Temperature Control Circuit 18 Optional Superstructure Wiring Circuit 19 Cleaning and Sanitation See General UL NSF 1 5 Manual Component Removal and Installation Instructions for Cleaning 20 Bottom Screens and Trays 20 NSF Product Thermometer 20 Discharge Air Honeycomb 20 Discharge Air Duct Panels 20 Return Air Ducts Panels 20 CON THN Ies e os Scc eas eR eee to eb 20 Front ey Rasa Sees ees 20 2 2004 NFJA NCJA NTJA Installation
19. T SIZING Electrical Data Fans 120 Volt and Optional T 8 Lighting with Electronic Ballasts 120 Volt TOTAL FOR TOTAL FOR T 8 LIGHTING FOR CASE FANS liu STANDARD FANS ECM FANS OPT SUPERSTRUCTURE NFJA NCJANTJA 8 4 AA NFJAINCJANTJA 12 6 204 1812 132 660 3600 NFJEANCJEA 77 2 2 068 604 044 220 030 360 Heaters 120 and 208 Volt SWEAT HEATERS 120 V DEFROST HEATERS 208 V DRAIN PAN HEATER OPT DRAIN PAN die DISCHARGE AIR AIR RETURN AIR SUPERSTRUCTURE COILS 208V Elec 120V HG B re wre ws rs vers nes ers n NFJA 8 192 2304 060 720 380 4560 13 80 2 860 2 24 466 5 00 600 NCJANTJA 8 192 2304 060 720 380 4560 21 64 4500 2 88 600 5 00 600 a 3040 2030 4290 336 NCJANTJA 12 254 3048 0 90 1080 5 20 3240 34 62 7 200 4 33 900 7 50 900 INFJEA NCJEA 77 1 2 040 480 060 720 130 1560 781 1624 N A N A N A NA CASE CIRCUITS addition to a 208V defrost circuit there is the 120V case fan circuit plus the 120V case anti sweat circuit Cases with Gas Defrost have a separate 120V circuit for the drain pan heater Shelf or canopy lights require a separate 120V circuit which can be Switched at the back room for convenience in controlling the lights 208 VOLT DEFROST AMPS rer
20. TYLER installation amp Service Manual NFJA NCJA NTJA NFJEA NCJEA JUMBO ISLAND FROZEN FOOD ICE CREAM MEDIUM TEMP MERCHANDISERS Low Medium and Dual 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 1999 PRINTED IN Specifications subject to REPLACES ISSUE PART U S A change without notice EDITION 1 04 DATE 3 04 NO 9037164 REV C Tyler Refrigeration Niles Michigan 49120 NFJA NCJA NTJA NFJEA NCJEA Tyler Refrigeration CONTENTS Page Specifications NFJA NCJA NTJA NFJEA NCJEA Specification Sheets 4 Line Sizing Requirements See General UL NSF I amp S Manual Pre Installation Responsibilities See General UL NSF 1 5 Manual Installation Procedures Carpentry Procedures 7 Case Pull Up Locations 7 A SONG BA ISSN REM E 7 Plexiglas Partition os so sensus SOR e eei es 7 Superstructure Installation 7 Trim Installation Alignment 9 BOWOM Way Si ua a oe a eo A T a ers 9 Plumbing Procedures See General UL N
21. al power from wire ends could damage other components and or cause personal injury or death Page 22 Tyler Refrigeration Center Riser Discharge Air Anti Sweat NFJA NCJA NTJA 1 Remove screws 1 and top riser caps 2 and insulation from top of center riser 3 2 Disconnect or cut the defective anti sweat wire 4 from the case wires 3 Remove and replace the aluminum tape and defective anti sweat wire 4 from the bottom of the top riser cap 2 4 Reconnect the new anti sweat wires to case wires and reinstall the insulation top riser caps and screws Discharge Air Anti Sweat NFJEA NCJEA a 1 3 4 m ds 5 1 Remove screws and rear guard trim 1 from top of rear case wall 2 2 Disconnect or cut the defective anti sweat wire 3 from the case wires 3 Remove and replace the aluminum tape 4 and defective anti sweat wire 3 from top of rail and wire trim assembly 5 4 Reconnect anti sweat wires to case wires and reinstall rear guard trim with screws March 2004 Installation amp Service Manual Return Air Duct Anti Sweat NFJA NCJA NTJA NOTE Cladding joint trim raceway cover cladding bumper and front and bumper retainer must be removed from front and or rear of case 1 Remove screws and trim assembly 1 from top of front and or rear case wall 2 2 Cut the defective anti sweat wire 3 from the case wires 3 Remove and replace the aluminum tape 4 and defect
22. alignment screws 18 March 2004 Installation amp Service Manual 8 Install shelving close offs 19 in space between shelves The close offs are supported by the shelf brackets 16 If end close offs 20 are supplied they are also secured to the shelf brackets 16 21 22 9 Plug in the shelf anti sweat heaters 21 and shelf lights 22 NOTE Notches on upright alignment channel will help position the channels properly 10 Install top riser caps 23 on top of the center partition Drill pilot holes in the top center of the two riser caps and secure with screws 24 11 Position card moulding 25 as shown and drill 1 8 pilot holes in riser caps 23 Secure card mouldings 25 to riser caps 23 with screws 26 March 2004 NFJA NCJA NTJA NFJEA NCJEA 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 Emm 2 After kickplates 1 have been installed posi tion kickplate corner trim 2 over both ends of the kickplates 1 and secure with screws Bottom Trays CAUTION Placing product directly on bottom trays could break a bottom tray and or cause damage to the case The bottom trays are made from polypropy lene They are designed to be non weight bear
23. dding 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 March 2004 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 TE 22 2 2 m Remove two screws 1 thermometer 2 from top right end of front or rear return air ducts Install and secure a new product ther mometer 2 on front or rear return air ducts with two screws 1 Corner Trim Replacement Since some of the corner trim fasteners are hidden remove the trim and hardware in the following sequence m 1 Remove mounting screwsm kickplates 1 and kickplate corner trim 2 from both sides of the corner trim 2 Remove raceway covers 3 from both sides of the corner trim March 2004 NFJA NCJA NTJA NFJEA NCJEA 3 Remove four screws 4 and corner cladding trim 5 4 Remove two top screws 6 from the raceway corner trim 7 then lift and remove the racewa
24. essor system accordingly DEFROST WIRING There are two defrost heater circuits in 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 a March 2004 Page 5 NCJA NTJA NFJEA NCJEA Tyler Refrigeration NFJA NCJA NTJA CROSS SECTION La Ja Center of Front and Rear Drain 9 7 8 me 54 3 4 2 gt 74 1 2 2 4 78 1 2 NEJA NCJA NTJA FLOOR PLAN ld 4 1 4 for Wrap End 1 1 2 for Flat Patch End 1 for Insulated Partition 8 or12 Rear Case 51 2 E MET Ga ditional 2 1 2 Clearance Refrigeration Between Bottom of Drain Pipe and Floor 54 3 4 Base 1 1 2 PVC Ral Refrigeration j n 718 Suction i Pipe Waste Outlet 78 1 2 3 8 Liquid STD to Front of Case OA OPT to Rear of Case Plugside notused 51 2 A Front of Case 22 RorL 5 406 gt NFJEA NGJEA END CASE CROSS SECTION NFJEA NCJEA END CASE FLOOR PLAN l 30 1 2 40 7 8 t
25. ing After the bottom trays have been installed be sure to install the bottom screens before stocking the case with product The bottom trays should have the ribs up Plumbing Procedures See General UL NSF I amp S Manual for recommended drain practices Page 9 NFJA NCJA NTJA NFJEA NCJEA Refrigeration Procedures See General UL NSF I amp S Manual for general system control and superheat information There are three standard versions of the 8 and 12 case NFJA is for frozen food or medium temp usage and is equipped with one electric defrost heater on each side The entire case both sides will operate at low or medium temperatures NCJA is for ice cream usage and is equipped with one electric defrost heater on each side NTJA is the dual temp split coil version for ice cream on one side and frozen food on the other is also equipped with one electric defrost heaters on each side This case also has an insulated center partition to aid in maintaining the temperature difference in the two sides This allows either side of the case to be run from separate refrigeration systems The NTJA case can also be setup to display frozen food on one side and medium temp on the other or ice cream on one side and medium temp on the other Either side can be optionally set up with a dual temperature control to allow one side to be switched be tween low temp and medium temp operations The evaporator coils a
26. ium Temp applications with gas defrost cycle fans with a 50 40 klixon Anti Sweat Circuit NFJA NCJA NTJA cases have one anti sweat heater on each side of the top of the center riser discharge air and one in each rub rail return air When cases are equipped with an optional superstructure there is an anti sweat heater on the superstructure NFJEA NCJEA end cases have one anti sweat heater in the rear riser discharge air and one in the rub rail return air Anti sweat heaters are wired directly to the main power supply so they can operate at all times Superstructure Shelf Lamp Circuit Optional superstructures can be equipped with one row of 430MA T 12 or 265MA T 8 shelf lights March 2004 NFJA NCJA NTJA NFJEA NCJEA 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 Temp Electric FF 1 60 50 F Electric IC 1 36 50 F Electric MED 1 36 50 F Gas FF 2 3 20 25 55 F Gas IC 2 3 25 30 55 F Gas MED 2 3 16 20 55 F 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 NFJA NCJA NTJA FFA SER VALE 2i SES NFJEA NCJEA QUOS Less 4838 E Electric Defrost Termination F S Electric Defrost Failsafe Opt F D Gas Defrost Fan Delay D
27. ive anti sweat wire 3 from inside of front and or rear trim assembly 1 4 Reconnect anti sweat wire 3 to case wires and reinstall front and or rear trim assembly 1 with screws 5 Install bumper retainer bumper cladding reaceway cover and cladding joint trim to front and or rear of case March 2004 NFJA NCJA NTJA NFJEA NCJEA Return Air Duct Anti Sweat NFJEA NCJEA NOTE Cladding corner trim bumper corner trim front bumper and front bumper retainer must be removed from the end case 1 Remove screws and front trim assembly 1 from top of front case wall 2 2 Cut the defective anti sweat wire 3 from the case wires 3 Remove and replace the aluminum tape 4 and defective anti sweat wire 3 from inside of front trim assembly 1 4 Reconnect anti sweat wire 3 to case wires and reinstall front trim assembly 1 with screws 5 Install front bumper retainer front bumper and all other removed corner trim Page 23 NFJA NCJA NTJA NFJEA NCJEA PARTS INFORMATION Cladding and Trim Parts Lists Item Description ON OA gt A L lll O gt WN 17 18 19 20 21 22 23 Bumper Retainer Bumper Retainer Hand Rail Backer Color Band Painted Color Band Backer Ptd Bumper End Trim Bumper Backer Bumper Front Cladding Ptd Raceway Cover Backer Raceway Cover End Trim Raceway Cover Kickplate Ptd per side Screw per retainer Raceway Cove
28. ll ups have been secured all interior wall joint seams should be sealed with duct tape March 2004 NFJA NCJA NTJA NFJEA NCJEA 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 4 1 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 into partition brackets 1 Superstructure Installation Make sure discharge air grids are removed Remove top riser cap knockouts and insula tion on top of center partition from the super structure end sockets and upright support angles 1 If the wiring harness 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 Page 7 NFJA NCJA NTJA NFJEA NCJEA harness 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 2 Position the RH end post 5 in the RH
29. n by use of a dual temp control Dual temp also requires an expansion valve sized for the coldest dual temp operation 7 Dual temp on both sides NOTE This requires either one or two dual temp controls Use one dual temp control when both wells are controlled together Use two separate dual temp controls when you want to control the front and rear wells separately on one compressor NTJA These models have the front and rear coils piped separately This case is designed to run off separate compressor systems and operate in dual temp applications In addition this version has an insulated center partition to aid in maintaining the temperature differences between the two sides Both sides must defrost at the same time TYPICAL USAGES 1 Frozen food on one side and ice cream on the other side 2 Frozen food on one side and medium temp on the other side 8 Frozen food on one side and dual temp on the other side NOTE Dual temp refers to frozen food or medium temp operation by use of a dual temp control Dual temp also requires an expansion valve sized for the coldest dual temp operation 4 Dual temp on both sides NOTE This requires two dual temp controls to control both the front and rear wells on their respective compressor systems NON TYPICAL USAGES 5 Frozen food on both sides 6 ice cream on both sides 7 Medium temp on both sides No dual temp control is needed but you must specify the proper expansion valve and size each compr
30. o Raceway Cover 54 3 4 l Base Rall 35 1 8 qe 34 1 2 Refrigeration 7 8 Suction 3 8 Liquid Electric 2 1 2 Clearance 7 8 Between Bottom 22 of Drain Pipe RorL and Floor 78 1 2 OA Page 6 March 2004 Installation amp Service Manual INSTALLATION PROCEDURES Carpentry Procedures e i Back of End Case C D Case Pull Up Locations The NFJA NCJA NTJA models have two pull ups at each end of the case Pull ups A and B are located as shown and used for joining all cases The NFJEA NCJEA models have four pull ups at the rear of the case Pull ups A B C and D are located as shown and used for joining end cases Pull ups C and D are shipped loose All pull ups should be installed and tightened starting with A and finishing with B or D 1 Solid Partition A 1 insulated partition 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 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 pu
31. r Retainer per case Screw per side Kickplate Support Assy per side Shoulder Screw Screw per support Raceway Support per side Screw Raceway Shoulder Screw per side Horizontal End Trim Base End Closeoff LH for flat end Base End Closeoff RH for flat end Tyler Refrigeration NFJA NTJA 8 12 color per order 9025316 2 9023798 2 9040223 2 9025316 2 9023800 2 9040223 2 color per order color per order color per order 9041965 2 9041966 2 color per order color per order color per order 9313317 9313310 5183536 2 5183536 2 9023841 4 9023841 6 5183536 8 5183536 12 9323069 4 9323069 4 9025833 8 9025833 8 5183536 5183536 9041322 4 5183536 12 9041322 6 5183536 18 9300243 9300244 9025833 8 9025833 10 5196166 5196166 9027925 9027925 9027926 9027926 For additional information on parts not listed above contact the TYLER Service Parts Dept Page 24 March 2004 NFJA NTJA Installation amp Service Manual NFJEA NCJEA 23 22 21 20 19 17 8 16 15 14 13 12 March 2004 Page 25 NFJA NCJA NTJA NFJEA NCJEA Item Description NFJEA Front Tyler Refrigeration Side color per order 9025316 9023795 9040223 9025316 9023789 9040223 color per order color per order color per order 9025642 color per order color per order color per order 9025640
32. re piped individually so there are two refrigeration stub ups The NFJA case can also be setup for dual tem perature operations but the evaporator coils are piped together so there is only one refriger ation stub up This case requires extra refriger ation components to allow it to perform dual temperature operations NFJA or cases setup 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 tempera ture operation by flipping a switch The dual Page 10 Tyler Refrigeration temperature control consists of an EPR valve in the suction line coming off the evaporator The EPR valve can be bypassed with a sole noid controlled bypass line around it The toggle switch opens or closes this solenoid Gas Defrost Dual Temperature Controls with EPR Valve qp SUCTION LINE COMPRESSOR LIQUID LINE soldered to Suction Line COMPRESSOR Electric Defrost Dual Temperature Controls with EPR Valve TO EXPANSION VALVE 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
33. t one time This allows the refrigeration heat being removed from the cases to be used to defrost the others Page 12 Tyler Refrigeration NOTE Insulated partitions must be used between case line ups that have gas defrost Gas defrost cases NFJA NCJA NFJEA NCJEA are piped individually and are to be joined at installation when both sides are on the same system Dual Temp Split Coil cases NTJA with gas defrost should be piped to thier respective systems and defrosts should be scheduled at the same time 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 13 thru 19 will cover the NFJA NCJA NTJA NFJEA NCJEA case circuits electric defrost circuit gas defrost circuit dual temperature control circuits and the superstructure wiring circuit March 2004 NFJA NCJA Domestic 8 Export 50Hz Case Circuits DRAIN PAN HEATER DEFROST LIMIT SWITCH OPEN 50 F CLOSE 30 F DEFROST HEATER FAN MOTORS 7 5 3 12 CASE B C 2 PER 8 CASE MAMMA EL REAR RETURN AIR ANTI SWEAT HEATER CENTE
34. t end of front and rear return air ducts After cleaning replace product thermometer on front and rear ducts and secure with screws Discharge Air Honeycomb 1 Remove screws and bottom retainer strips from both sides of the top of the center riser NOTE Note position of the honeycomb grid during removal so it can be reinstalled the same way 2 Remove honeycomb grid sections from both sides of the center riser 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 strips and screws Page 20 Tyler Refrigeration Discharge Air Duct Panels 1 Remove bottom trays and discharge air honeycomb see above 2 Remove mounting screws and discharge air duct panels from both sides of the center riser NFJA NCJA NTJA Or Remove mounting screws and discharge air duct panels NFJEA NCJEA 3 After cleaning replace in reverse order Return Air Duct Panels 1 Remove bottom trays see this page 2 Remove mounting screws and front and rear return air duct panels NFJA NCJA NTJA or Remove mounting screws and front return air duct panels NFJEA NCJEA 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 cla
35. y corner trim 7 from the retainers in the bottom slots 5 Remove two bottom screws 8 and lift off the bumper corner trim 9 6 Replace bumper corner trim raceway corner trim corner cladding trim raceway covers kickplates kickplate corner trim and mounting hardware in reverse order Defrost Heater Replacement WARNING 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 Remove bottom trays from case 2 Unscrew and remove top coil cover 1 3 Unscrew and lift up fan plenum 2 4 Disconnect defective defrost heater 3 and remove mounting clips 4 and defrost heater 3 from front of coil assembly 5 5 Install new defrost heater 3 in reverse order 6 Restore electrical power to case Page 21 NFJA NCJA NTJA NFJEA NCJEA Drain Pan Heater Replacement WARNING Always shut off electricity to case before replacing a drain pan heater Automatic cycling of fans or electrical power to wire ends could cause personal injury and or death 1 Remove bottom trays from case 2 Unlug defective drain pan heater 1 and remove from slots in bracket supports 2 3 Install new drain pan heater 1 in reverse order 4 Restore electrical power to case Anti Sweat Replacement WARNING Shut off or disconnect power supply to case before changing an anti sweat Electric
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