Installation & Service Manual
Contents
1. 25 24 23 22 21 20 19 17 18 46 15 14 13 12 February 2001 Page 23 E NCJ E Item Description Tyler Refrigeration NFJE NCJE Front Side color per order 9025316 9025316 9023795 9023789 9040223 9040223 color per order color per order color per order 9025642 9025640 color per order color per order color per order color per order 1 Bumper Retainer 2 Bumper Retainer Hand Rail Backer 3 Color Band Painted 4 Color Band Backer Painted 5 Bumper End Trim 6 Bumper Backer 7 Bumper 8 Front Cladding Painted 9 Raceway Cover Backer 10 Raceway Cover End Trim 11 Raceway Cover 12 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 1 Upper Corner Trim bumper 2 Screw 3 Corner Cladding Trim 4 Screw 5 Screw 6 7 5183536 2 5183536 2 9023841 3 9023841 2 9042415 4 9042415 2 9025833 8 9025833 4 5183536 6 5183536 4 9041465 4 9041465 2 5183536 2 5183536 2 5120943 10 5120943 8 5205386 5203747 2 9300197 3 9300197 2 5183536 5183536 9025833 6 Per Corner color per2. THFRMOSTAT GND dz TO FAN 5 oo POWER SUPPLY i GRN OR 220VAC 50 7 120VAC 60 7 INTERNATIONAL SUPPLY OR 220 _50HZ INTERNAT ONAL NOTE ALL CASES MUST GROUNDED Page 12 February 2001 NCJ B amp I2FT 9028255 CLAIMS RIGHTS SHED PART AFTER 5 MANUAL REVISIONS ALLOWED DIAGRAM WRG HG DFR ENGINEERING USE ONLY USED WITHOUT PERMISSION ON THIS DRAWING OMS ARE IM INCHES UMLESS ON CORP T ION FOR APPLY T FINI RAT 15 BE THERW ESE FAN MOTORS 3 PER 12 CASE 2 PER B CASE e PART TYPE N T 5 REAR DISCHARGE AIR ANTI SWEAT HEATER wWwwwiww DESCRIPTION OPTIONAL SUPER STRUCTURE ANTI SWEAT HEATERS DAA CENTER RISER ANTI SWEAT HEATER wWwwwwww FRONT DISCHARGE AIR ANTI SWEAT HEATER u FAN MOTORS CH OF 3 PER 12 CASE 2 PER B CASE OPTIONAL 5 OPTIONAL FAN DELAY THERMOSTAT 15 ONLY USED ON NFJ MED TEMP CASES OPENS 50 F CLOSES 40 F FAN PANEL GROUND TO ANTI SWEATS POWER SUPPLY e EXTERNAL DRAIN HEATER OPTIONAL HOT GAS DEFROST 2 TERMINATION KLIXON gt OPENS 55 F CLOSES 40 F 2 TEMPERATURE TO FANS THERMOSTAT j POWER SUPPLY one ED oe SUPPL OR 2
3. E NCJ E The case also be setup to display frozen food 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 between low temp and medium temp operation The evaporator coils are piped individually so there are two refriger ation stub ups NFJ or NTJ 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 operation 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 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 tempera ture 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 the toggle switch is flipped the
4. TYLER Installation amp Service Manual E NCJ E JUMBO ISLAND FROZEN FOOD amp ICE CREAM MERCHANDISERS Low 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 subjectto REPLACES ISSUE PART U S A change without notice EDITION DATE 2 01 No 9037164 REV Tyler Refrigeration Corporation Niles Michigan 49120 E NCJ E Tyler Refrigeration CONTENTS Page Specifications NFJ NCJ NTJ NFJE NCJE 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 7 Case Pull Up LocationS 7 T S lid P arubbi uu 7 Plexiglas Partition 7 Superstructure Installation 7 Trim Installation Alignment 9 Plumbing Procedures 9 Refrigeration Procedur
5. 14 ww we c went 9 1 eect med se mo zwar om 23 20 25 552 FF 12 R404A 2 R404A_ 1 HorGas ic 25 30MIN 55 ic 64 EL N A N A 7 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 75F 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 technical 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 September 2001 Installation amp Service
6. 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 12 thru 17 will cover the NTJ NFJ E E case circuits electric defrost circuit gas defrost circuit dual temperature control circuits and the superstructure wiring circuit Page 11 NFJ NCJ Domestic amp Export 50Hz Case Circuits TYLER REFRIGERATION CORP CLAIMS RIGHTS THE INFORMATION ON THIS DRAWING sh T PART TYPE N REFRICERATION CORPORAT ION INFORMATION IS FOR ENGINEERING USE ONLY AND MAY NOT BE USED WITHOUT SPECIFIED OTHERWISE 4 DIMENSIONS APPLY TO FINISHED PART AFTER ANY TREATMENT 5 NO MANUAL REVISIONS ALLOWED lt o lt cu lt 5 ca E P LK HT h BLUE AMP 1 LAMP BALLAST DEFROST HEATER AAA DEFROST LIMIT SWITCH OPEN 50 F CLOSE 30 F AAA SECOND DEFROST HEATER STANDAR
7. between the two have the same electrical requirements per row of sides Both sides must defrost at the same time lights as the amps shown A separate electrical supply for the superstructure lights must be provided since there is no plug in from the superstructure to the case E END CASE ELECTRICAL AND REFRIGERATION DATA 120V FANS AMPS 120V 208V BTUH ANTI SWEAT DEFROST REQUIRED STD AMPS AMPS NFJE 2600 25F MODEL NCJE NFJE 3400 35F 2400 15F ADD 0 4 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 per row to the adjacent case February 2001 Page 5 E NCJ E Tyler Refrigeration NFJ NCJ NTJ NFJ E NCJ E J umbo Island and End Frozen Food amp Ice Cream Merchandiser N 94 dh ee 01 4 73 77 1 2 414 for Wrap End 11 2 AT FLOOR PLAN Patch End Add 1 for insulated Partition poe 8 or 12 Rear of Case ___Additional __8 7 8 Clearance Refrigeration i Between Botiom of Drain Pipe and Floor Refrigeration T m Galvanized Pipe 7 8 Suction Waste Outlet 3 8 Liquid STD to Front of Case OPT to Rear of Case Front of Case 4 or base Rl I Refrigeration 7 7 8 Suction 3 8 Liquid Electric _ END CASE FLOOR PLAN 351 2
8. bumper replacement and raceway cover removal instructions NSF Product Thermometer Replacement bracket 2 from rear of case 2 Remove two screws nuts washers and the product thermometer 3 from the ther mometer bracket 2 3 Installand secure a new product ther mometer 3 on the thermometer bracket 2 with two screws washers and nuts 4 Installthermometer bracket 2 on rear of case with four screws 1 February 2001 1 Remove four screws 1 and thermometer E NCJ 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 four 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 7 from the retain ers in the bottom slots 5 Remove two bottom screws 8 and lift off the bumper corner trim 9 6 Replace bumper corner trim raceway cor ner trim corner cladding trim racway cov ers and kickplates in reverse order Page 19 E NCJ E Defrost Heater Replacement WARNING Always shut off electricity to case before replacing a defrost heater Automatic cycling of fans
9. equipped with an optional superstructure there is an anti sweat heater on the super structure NFJ E NCJ E end cases have one anti sweat heater in the discharge air grid and in the return air grid 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 shelf lights February 2001 Installation amp Service Manual Defrost Information See General UL NSF I amp S Manual for opera tional 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 Gas FF 2 20 25 55 F Gas IC 2 25 30 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 NFJ NCJ NTJ Tee N NFJE NCJE gt Sn S AERE E Electric Defrost Termination G Gas Defrost ran Delay Dual Temp F S Electric Defrost Failsafe Opt 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 Defrost Schedules For satisfactory perform
10. or electrical power to wire ends could cause personal injury and or death 2 Heater under Center Partition in Models and NTJ Only 1 Remove bottom trays from case 2 Unclip and lift up fan plenum 1 3 Disconnect defective defrost heater 2 and remove from mounting clips 3 and case 4 Install new defrost heater 4 in reverse order 5 Restore electrical power to case Page 20 Tyler Refrigeration Anti S weat 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 Discharge Air Grid Anti S weat NCJ NTJ 1 Remove screws 1 retainer strip 2 and discharge air grid 3 from interior of the front case wall 4 2 Remove mounting screws and support assembly 5 from air grid opening 3 Disconnect or cut the defective anti sweat wire 6 from the case wires 4 Remove and replace the aluminum tape and defective anti sweat wire 6 from top of support assembly 5 5 Reconnectthe anti sweat wires and replace the support assembly discharge air grid and mounting hardware February 2001 Installation amp Service Manual Center Riser Anti Sweat NCJ 1 Remove screws 1 and top riser cap 2 from top of center riser 3 2 Disconnect or cut the defective anti sweat wire 4 from
11. order 9025833 2 9041336 5048626 4 9025833 2 color per order color per order 9025833 3 For additional information on parts not listed above contact the TYLER Service Parts Dept Page 24 February 2001 NC Installation amp Service Manual E NCJ E February 2001 Page 25 E NCJ E Operational Parts List Case Usage Electrical Circuit Case Size 8 Fan Motor 5644521 5 Watt Fan Motor Brackets 5213132 Fan Bracket Plate 9041077 Fan Blades 6 21 3B 5105621 6 27 3B Opt ECM Fan Motors 9025002 8 Watt OptECM Fan Motor Brackets 5205279 Opt ECM Fan Blades 9025138 6 25 1 4 3B Anti S weat Heater Wire dis amp ret air 5124818 NFJ NCJ NT disch air NFJ E NCJ E return air NFJ E NCJ E Electric Def Heater 5088278 Electric Def Term Klixon 5125211 Opt Gas Def Fan Delay Klixon 9023503 Med or Dual Temp only Opt Gas Def Term Klixon 9023508 Waste Pipe Heater 5215068 Opt Superstructure Lighting 430MA Ballast 20W 1 lamp 430MA Ballast 40W 1 lamp 5627909 T 12 Lampholder 5217544 NSF Product Thermometer 5967100 Domestic 115 Volt 60 Hertz 12 5644521 5 Watt 5213132 9041077 5105621 9025002 8 Watt 5205279 9025138 5124819 5088279 5125211 9023503 9023508 5215068 5627909 5217544 5967100 Tyler Refrigeration End Case 5644521 5 Watt 5213132 9
12. solenoid closes directing the flow through the EPR valve Ifthe EPR valve is set for 48 psig the evaporator 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 medium temperature mode Page 10 Tyler Refrigeration Electrical Procedures Electrical C onsiderations 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 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 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 but only during the medium temp mode 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 S weat Circuit NTJ cases have one anti sweat heater in each discharge air grid and one at the top of the center riser When cases are
13. 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 anti sweat wires and replace the top riser cap and mounting hardware Discharge Air Grid Anti S weat E NCJ E lt 1 34 d 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 February 2001 E NCJ Return Air Duct Anti Sweat NFJE NCJE 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 Disconnector 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 Reconnectanti sweat wires to case wires and reinstall front trim assembly with screws 5 Install front bumper retainer front bumper and all other removed corner trim on the end case Page 21 E NCJ E PARTS INFORMATION Cladding and Trim Parts Lists Tyle
14. 041077 5105621 9025002 8 Watt 5205279 9025138 5028893 5080970 5195710 5125211 9023503 9023508 5963471 5102019 5217544 5967100 Export 220 Volt 50 Hertz 8 5126572 5 Watt 5213532 9041077 5104294 5081149 5088278 5125211 9023503 9023508 5216300 5627909 5217544 5967100 12 5126572 5 Watt 5213532 9041077 5104294 5081150 5088279 5125211 9023503 9023508 5216300 5627909 5217544 5967100 End Case 5126572 5 Watt 5213532 9041077 5104294 5081271 5081201 5963472 5102019 5217544 5967100 For information on operational parts not listed above contact the TYLER Service Parts Department Page 26 February 2001
15. 20VAC 50HZ INTERNAT OR CLOSES 55 F OPENS 40 F Nad THE KLIXON IS MOUNTED ON THE PIPE BETWEEN THE DISTRUBITOR AND THE CHECK VALVE ON THE EVAPORATOR COIL TQ RACK CONTROL CIRCUITS 3578 NO 35075 NMONB 715185 NOTE ALL CASES MUST GROUNDED September 2001 Page 13 NTJ Domestic amp Export 50Hz Case Circuits 2 OPTIONAL HOT GAS DEFROST 2 TERMINATION KL 8 5 OPENS 55 F CLOSES 40 F g or CLOSES 55 F OPENS 40 F OPTIONAL TEMPERATURE THE KLIXON 15 MOUNTED THERMOSTAT ON THE PIPE BETWEEN TO EAME THE DISTRUBITOR AND THE CHECK VALVE ON POWER SUPPLY THE EVAPORATOR COIL TO RACK CONTROL CIRCUITS TO THE INFORMATION ON THIS DRAWING gt ER HG DFR NTJ 8 amp 12FT 9028254 HB ENGINEERING USE ONLY USED WITHOUT PERMISSION DIMENSIONS ARE IN INCHES UNLESS NT e E HEATERS DEFROST LIMIT eee ee OPEN 50 F CLOSE pum S DEFROST MN E LONS APPLY PART OTHERWISE TYLER REFRIGERATION CORP Y NOT BC 895 0714 INFORMATION IS Fi OPTIONAL SOLENOID VALVE O5FEBOI LC cK FAN MOTORS 5 PER 12 CASE 2 PER B CASE QH FAN DELAY THERMOSTAT USED ONLY ON HG DEFROST CASES OPENS 50 F CLOSES 40 F PART TYPE N T sP 1 DEG 27528 REAR CASE 030 ANGLES REAR DISCHARGE AIR ANT SWEAT HEATER OPTIONAL SUPER STRUCTURE LIGHTING EB OPTIONAL SUPER STRUCTURE ANTI SWEAT HEATERS
16. 9028255 REAR CASE FANS NFJ NTJ 5 tR T INCHES UNLESS OPTIONAL SOLENOID VALVE FAN DELAY THERMOSTAT 1S ONLY USED ON NFJ NTJ 4 NFJE OUAL TEMP CASES OPENS 5O F CLOSES 40 F FAN MOTORS n n n 3 PER 12 CASE D FINISHED PART AFTER DIAGRAM DT ENG wi c le Di APPLY REA m 5 NO MANUAL REVISIONS ALLOWED ARE ERATION CORP 2 PER B CASE 2 PER END CASE POWER CONNECTION SHOWN FOR NTJ FRONT PAN PANEL IL FOR NFJ amp NFJE CASES CONNECTION 15 MADE AT THE POWER IN CONNECTOR ee 2 a WALL OPTIONAL HOT GAS DEFROST 2 TERMINATION KLIXON a OPENS Peer eee 40 F 9 CLOSES 55 F OPENS 40 F 030 ANGLES 1 DEG s WA 1 TO ANTI SWEATS POWER SUPPLY EXTERNAL DRAIN HEATER REVISED MODEL NAME AND SYM THE KLIXON IS MOUNTED ON THE PIPE BETWEEN THE DISTRUBITOR AND THE CHECK VALVE ON OR THE EVAPORATOR COIL 220VAC 50H2 TO RACK INTERNATIONAL CONTROL CIRCUITS HOT GAS DEFROST 120 60HZ SUPPLY DECIMALS c REVISED PER 3514 NO 3507 NMOMB REY PER ECN OPTIONAL DUAL TEMPERATURE SWITCH ONE SWITCH CONTROLS A NFJ OR NFJE CASE OR ONE S DE OF A NTJ CASE OPTIONAL SHELF ANTI SWEATS REAR CASE FANS NFJ NTJ REAR DEFROST HEATERS NF J NTJ LIGHTING POWER CONNECT ON CON FOR NTJ FRONT IL FOR NFJ amp NFJ
17. D ON NCJ CASES G NFJ NCJ C DFR EL 9028252 FAN MOTORS 3 PER 12 CASE 2 PER B CASE oo fond REAR DISCHARGE AIR ANTI SWEAT HEATER x x 15 22724 090 98 OPTIONAL SUPER STRUCTURE LIGHTING OPTIONAL SUPER STRUCTURE ANTI SWEAT HEATERS 3 PER 12 CASE CENTER RISER ANTI SWEAT HEATER FRONT DISCHARGE AIR ANTI SWEAT HEATER FAN MOTORS 2 PER 8 o m e a D m 5 D E 1 N __ zi dl z x R 2 TES 2 218 4 Sm gt ajo ullu lt nie gt gt gt H ml lt eee T T d EE i SEE DFFROST HFATER VALVE A WWIWWwwwk E DEFROST LIMIT SWITCH OPEN 50 105 30 F FAN PANEL GROUND wwwwwwk SECOND DEFROST HEATER STANDARD ON NCJ CASES ee ps GRN T DINE M t SASE WALL _ Ere Merete Sosa ay VULT edi E WA 3 ANTI SWEATS WW PONER SUPPLY v lt x zd a m OPT IONAL EXTERNAL DRAIN HEATER mm athe TEMPERATURE I CET
18. DECIMALS Be mes REVISED MODEL NAME AND S REVISED PER ECN ee lt 2A 1 lt CENTER RISER ANTI SWEAT HEATER FRONT DISCHARGE AIR ANTI SWEAT HEATER FAN DELAY THERMOSTAT USED ONLY ON HG DEFROST CASES N OPENS 50 F CLOSES 40 F 77 3 12 CASE 2 B CASE FRONT CASE OPTIONAL DEFROST HEATERS VALVE IAN RD T VALVE DEFROST LIMIT SWITCH OPEN 50 F CLOSE 30 F DEFROST HEATERS 2 2 EXTERNAL DRAIN HEATER 3 OPTIONAL HOT GAS DEFROST TERMINATION KLIXON 8 TO FANS OPENS 55 F CLOSES 40 F 9 OPTIONAL POWER SUPPLY TEMPERATURE CLOSES 55 oF OPENS 40 F THERMOSTAT 208VAC 60HZ 120VAC 60HZ SUPPLY SUPPLY OR OR 220VAC SOHZ 220VAC 50HZ INTERNAT ONAL INTERNAT ONAL THE KLIXON 15 MOUNTED ON THE PIPE BETWEEN THE DISTRUBITOR AND THE CHECK VALVE ON THE EVAPORATOR COIL TO RACK ree ere NOTE ALL CASES MUST BE GROUNDED 3614 NO 3507 NMOUB Page 14 September 2001 E NCJ E Domestic amp Export 50Hz Case Circuits NFJE NCJE RETURN AIR ANTI SWEAT HEATER FRONT DISCHARGE AIR ANTI SWEAT HEATER WiWWWwWwww F 9028256 FAN MOTORS DIAGRAM WRG ELEC OR HG DFR FAN CONTROL CONNECTION HARNESS 95 071 OPTIONAL SOLENOID VALVE 22724 socie oel ese oc DELAY THERMOSTAT
19. E CASES CONNECTION 15 MADE AT OPTIONAL THE POWER IN CONNECTOR SOLENOID VALVE FAN MOTORS 3 PER 12 CASE 2 PER B CASE 2 PER END CASE DEFROST HEATERS DEFROST LIMIT SWITCH OPEN 50 F CLOSE 3O F FAN PANEL SECOND DEFROST HEATER ONLY USED IN NTJ CASES EXTERNAL DRAIN HEATER 208VAC 50HZ SUPPLY OR 120VAC 60HZ 220VAC 50 2 SUPPLY INTERNATIONAL OR ELECTRIC DEFROST ME erat reat Page 16 September 2001 Installation amp Service Manual NCJ E Optional Superstructure Wiring Circuit END SHELF 4 STD SHELVES w LIGHTS END SHELF w LIGHT w LIGHT a 12 CASE SHOWN February 2001 Page 17 E NCJ E 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
20. FOR COMPRESSOR SIZING INFORMATION REFER TO THE GOLD SECTION amp FOR LINE SIZING INFORMATION REFER TO THE BUFF SECTION OF THE TYLER SPECIFICATION GUIDE x 208VOLTDEFROST AMPS rr eas 12 16 2 24 28 32 j 40 44 48 56 FF 138 206 276 344 412 1PH TG 30 TG 30 TG 40 TG 50 TG 50 N A NA NA NA NA NA NA 120 180 180 210 270 330 360 420 2424 27 27 30 30 36 36 FF 1G 3 r6 3 Te 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 3PH 30 30 40 50 4 50 50 40 40 40 40 40 40 50 50 30 0 0 0 50 IC MED 27 6 41 2 1 PH TG 40 TG 50 N A N A NA N A 24 0 36 0 360 42 0 36 36 30 30 36 36 36 36 42 42 36 36 36B6 36 36 IC MED TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 TG 3 3 PH 30 50 50 50 50 50 40 40 50 50 50 50 50 50 CASE TO CASE SUCTION LINE SUB FEED BRANCH LINE SIZING R404A 7 8 718 7 8 1 1 1 1 1 1 1 1 1 1 1 8 18 1 8 1 8 3 8 3 8 3 8 3 8 3 8 5 8 R404A IC 7 8 1 1 1 1 1 1 1 1 1 1 1 1 22 1 8 1 8 1 8 3 8 3 3 8 3 8 5 8 5 8 5 8 5 8 5 8 DEFROST CONTROL BACKUP PRESSURE SETTINGS MODE TIME TERM cutn R22 R40MA 1 evectyFr sor FF 12 R404a 24QR404A
21. Manual NCJ E NTJ NFJ E NCJ E Jumbo Island and End Frozen Food amp Ice Cream Merchandiser 120 VOLT ELECTRICAL DATA ANPS ANTI SWT FT FANS FANS ANTI SWT STRUCTR _ 20 8 28 38 120 VOLT LIGHTING DATA OPTIONAL SHELF LIGHTS PER ROW FT AMPS La 20 NOTES FOR NTJ SPLIT TEMP OPERATIONS FF IC TEMP 1 side frozen food 1 side ice cream must use synchronized defrost NTJ Frozen food 313 BTUH FT 25F Evap 4 Ice cream 375 BTUH FT 35F Evap FF MED TEMP 1 side frozen food 1 side medium temp must use synchronized defrost NTJ Frozen food 313 BTUH FT 25F Evap amp Medium temp 235 BTUH FT 15F 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 TWIN TEMP NOTES is the twin temp version in each case The heater wiring stubs out in the of this case with ice cream on one side and frozen 208V raceway as two pairs of wires Defrost circuits food on the other and is equipped with two electric can therefore be wired as a single phase load or defrost heaters on both sides In addition this ver they can be wired as an unbalanced 3 phase load sion has an insulated center partition to aid in main NOTE Optional shelving superstructures with lights taining the temperature difference
22. NCJ E NCJ 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 Install partition brackets 1 at case joint on front center and or rear case wall 2 with screws 3 N Slide plexiglas partitions 4 into partition brackets 1 Superstructure Installation 1 Lay wire harnesses 1 in V of center partition 2 The 8 harness 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 interchange able Run the male plugs down the RH post socket 3 and plug them into the matching receptacles in the 115V case wiring block 4 Page 7 E NCJ E 2 Position 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 NOTE On 12 cases the electrical outlets on the center posts must face the end posts 3 Installthe center post s 7 as described in step 2 Route the wires around the posts in the insulation Page 8 Tyler Refrigeration 4 Installthe LH end pos
23. 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 18 Tyler Refrigeration Rear Duct Panels 1 Remove bottom trays and discharge air honeycomb NFJ E NCJ E see above 2 Remove mounting screws from rear duct panel 3 After cleaning replace in reverse order Front Air Duct Panels 1 Remove bottom trays and discharge air honeycomb NCJ NTJ see this page 2 Remove screws and front air duct panels from case 3 After cleaning replace in reverse order Corner Trim 1 See page 19 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 19 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
24. USED ON MEDIUM TEMP CASES OPENS 50 F CLOSES 40 F 27528 2 MANN TO ANT SHEATS POWER SUPPLY OPTIONAL HOT GAS DEFROST gt EXTERNAL DRAIN HEATER TERMINATION KL 1XON a OPENS 55 F CLOSES 40 F 9 oR 030 ANGLES 1 DEG S PER ECN 22724 CLOSES 55 F OPENS 40 F TO FANS THE KLIXON IS MOUNTED POWER SUPPLY THE DISTRUBITOR AND 120VAC 60HZ HI I AND SUPPLY THE CHECK VALVE ON OPT IONAL OR THE EVAPORATOR COIL TEMPERATURE 220vAC 50HZ ee THERMOSTAT HOT GAS DEFROST INTERNATIONAL CONTROL CIRCUITS REVISED MODEL AND S DECIMALS RETURN AIR ANTI SWEAT HEATER FRONT DISCHARGE AIR ANTI SWEAT HEATER F RS FAN MOTORS OPTIONAL SOLENOID VALVE DEFROST HEATER 3 FAN PANEL DEFROST LIMIT SWITCH GROUND OPEN 50 F CLOSE 30 F 9 S uei UD LD CI S 2 ANTI SWEATS POWER SUPPLY EXTERNAL DRAIN HEATER TO FANS s j POWER SUPPLY M R 120VAC 60HZ 220 50HZ SUPPLY OPTIONAL TEMPERATURE INTERNATIONAL OR THERMOSTAT 220 50 2 INTERNATIONAL ELECTRIC DEFROST NOTE ALL CASES MUST BE GROUNDED September 2001 Page 15 Dual Temperature Control Circuits OPTIONAL DUAL TEMPERATURE SWITCH NTJ NFJ E ONE SWITCH CONTROLS NFJ OR NFJE CASE OR ONE SIDE OF A NTJ CASE Y URAT ING ING PERMISSION 40 75 OPTIONAL SHELF LIGHTING ANT SWEATS
25. ance 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 con tactors as required February 2001 E NCJ Parallel with Electric Defrost and Dual Temp or Split Temp Operation Use one sta tion 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 NTJ only Make sure that only 25 of the combined load frozen food amp ice cream 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 25 of the cases can be defrosted at One time This allows the refrigeration heat being removed from the cases to be used to defrost the others NOTE Insulated partitions must be used between case line ups that have gas defrost Gas defrost cases NCJ NFJ E piped individually and are to be joined at installation when both sides are on the same system Split Temp cases NTJ with gas defrost should
26. e corner trim requires field installation After kickplates 1 have been installed slide kickplate corner trim 2 into both ends of the kickplates 1 February 2001 E NCJ Plumbing Procedures See General UL NSF I amp S Manual for rec ommended drain practices Waste Outlet Heater 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 three standard versions of the 8 and 12 case 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 is for ice cream usage and is equipped with two electric defrost heaters on each side is the split temp version for ice cream on One side and frozen food on the other NTJ is equipped with two electric defrost heaters on each side This case also has an insulated center partition to aid in maintaining the tem perature difference in the two sides This allows either side of the case to be run from separate refrigeration systems Page 9
27. entive Maintenance See General UL NSF 165 Manual NSF Product Thermometer Replacement 19 Corner Trim Replacement 19 Defrost Heater Replacement 20 Fan Blade and Motor Replacement See Gen UL NSF I amp S Manual Anti Sweat Replacement 20 Color Band and Bumper Replacement See Gen UL NSF I amp S Man Parts Information Cladding and Trim Parts List 22 Operational Parts 51 26 TYLER Warranty See General UL NSF 155 Manual The following Low Temperature Frozen Food and Ice Cream Merchandiser models are covered in this manual MODEL DESCRIPTION NFJ 8 amp 12 JUMBO ISLAND FROZEN FOOD MERCHANDISER NCJ 8 amp 12 JUMBO ISLAND ICE CREAM MERCHANDISER NTJ 8 amp 12 JUMBO ISLAND SPLIT TEMP FF IC MERCHANDISER NFJE JUMBO ISLAND FROZEN FOOD END MERCHANDISER NCJE JUMBO ISLAND ICE CREAM END MERCHANDISER February 2001 Page 3 E NCJ E Tyler Refrigeration SPECIFICATIONS NFJ NCJ NTJ NFJ E NCJ E J umbo Island and End Frozen Food amp Ice Cream Merchandiser usce rr ic DUAL TWN FIG _ bexcmrenwe 65 o0 33 25 3137375 Evaporator temperature is defined as the saturated suction temperature leaving the case FOR ENERGY CALCULATION DATA REFER TO THE ENERGY SECTION
28. es 9 Optional Dual Temperature Control 10 Electrical Procedures 10 Electrical Considerations 10 Defrost Information 11 Defrost Control Chart 11 Defrost Schedules 11 Installation Procedure Check Lists See Gen UL NSF I amp S Manual Wiring Diagrams 11 NFJ NCJ Domestic amp Export 50Hz Case Circuits 12 Domestic amp Export 50Hz Case Circuits 14 NFJ E NCJ E Domestic amp Export 50Hz End Case Circuits 15 NFJ Dual Temperature Control Circuit 16 Optional Superstructure Wiring Circuit 17 Cleaning and Sanitation See General UL NSF I amp S Manual Component Removal and Installation Instructions for Cleaning 18 Bottom bI PS Ss 18 NSF Product Thermometer 18 Discharge Air Honeycomb 18 Rear Air Duct Panels 18 Front Air Ducts Panels 18 a si l aa T N as aa 18 PION G addii0 18 Page 2 February 2001 Installation amp Service Manual NFJ E NCJ E Page Service Instructions Prev
29. iie Raceway Cover 4 Clearance_ Between Bottom 4 22 of Drain Pipe RorL and Fleet 33 1 2 6 February 2001 Installation amp Service Manual INSTALLATION PROCEDURES Carpentry Procedures A B V AT Te D Back of End Case Case Pull Up Locations The 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 NFJ E and NCJ E models have four pull ups at rear of the case Pull ups A B C and D are located as shown and used for joining end cases All pull ups should be installed and tightened starting with A and fin ishing 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 pull ups have been secured all interior wall joint seams should be sealed with duct tape February 2001
30. r Refrigeration Item Description NCJ 8 12 1 Bumper Retainer color per order 2 Bumper Retainer Hand Rail Backer 9025316 2 9025316 2 3 Color Band Painted 9023798 2 9023800 2 4 ColorBand Backer Painted 9040223 2 9040223 2 5 Bumper End Trim color per order 6 Bumper Backer color per order 7 Bumper color per order 8 Front Cladding Painted 9041965 2 9041966 2 9 Raceway Cover Backer color per order 10 Raceway Cover End Trim color per order 11 Raceway Cover color per order 12 Kickplate color per order 13 Screw per retainer 5183536 2 5183536 2 14 Raceway Cover Retainer per case 9023841 4 9023841 6 15 Screw per side 5183536 8 5183536 12 16 Kickplate Support Assy per side 9042415 3 9042415 4 Shoulder Screw 9025833 8 9025833 8 17 Screw per support 5183536 5183536 18 Raceway Support per side 9041465 6 9041465 8 19 Screw 5183536 18 5183536 18 20 Raceway 9300218 9300219 21 Cladding Retainer per side 9300197 4 9300197 4 22 Screw per retainer 5183536 5183536 23 Shoulder Screw per side 9025833 8 9025833 10 24 Horizontal End Trim 5196166 5196166 25 Base End Closeoff LH for flat end 9027925 9027925 Base End Closeoff RH for flat end 9027926 9027926 For additional information on parts not listed above contact the TYLER Service Parts Dept Page 22 February 2001 Installation amp Service Manual NCJ E
31. t 8 as described in step 2 NOTE Notches on upright alignment channel will help position the channels properly 5 Position the upright alignment channel 9 on top ofthe upright posts Using the holes in the upright alignment channel as a guide drill pilot holes in the upright posts and secure with screws 10 NOTE Notches on harness covers will help posi tion the covers properly 6 Position harness covers 11 on top of the center partition Using the holes in the harness cover as a guide drill pilot holes in the center partition and secure with screws 12 Install each pair of shelf brackets 13 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 14 8 Position shelves 15 on shelf brackets 13 and install front alignment screws 16 9 Install shelving close offs 17 in space between shelves The close offs are sup ported by the shelf brackets 13 If end close offs 18 are supplied they are also secured to the shelf brackets 13 19 20 10 Plug in the shelf anti sweat heaters 19 and shelf lights 20 February 2001 Installation amp Service Manual 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 kickplat
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