Installation & Service Manual
Contents
1. e 37 1 4 43 4 1 FLOOR PLAN 4 Case 48 1 4 8 Case 96 3 8 Add 1 1 2 1 1 2 6 Case 72 1 4 12 Case 144 1 2 for Standard Patch End Pedestal Bases 14 1 8 w w uw i uM T Rear Electric 5 1 2 14 6 case 16 8 amp 12 case 14 6 case Refrigeration tod 43 5 8 Suction s ad o omo ao o am o an o o an o am o an O A i 3 8 Liquid vy oS NN _ OUBE e _ 5 3 8 Front Electric gt 4 1 2 Front of Case g l 4 1 4 8 4 cases use four 2 pipe legs R or L ce Om ns nsulate 6 amp 8 cases use six 2 pipe legs Partition 12 cases use eight 2 pipe legs April 2008 Page 5 NSSD INSTALLATION PROCEDURES Carpentry Procedures Case Line Up NOTE The NSSD cases are shipped on casters that are replaced with adjustable legs during case line up and installation See the General UL NSF 1 5 Manual for the proper case line up procedures Case Pull Up Locations All NSSD models have four pull ups at each end of the case Pull ups A B C and D are located as shown and should be installed and tightend starting with A and finishing with D See General UL NSF I amp S Manual for line up assembly instructions Page 6 TYLER REFRIGERATION Electrical Procedures Electrical Considerations CAUTION Make su2. FAN MOTORS 2 PER 6 or 8 CASES ecce ENEE PEE ESENE a ae ra ee PS eae 9 EXAMS CUL RR RP TROC 1 ziz at JH gt 4 5 Gi i 19 2 CN Z D at C Qi N 5 OPTIONAL TEMPERATURE CONTROL THERMOSTAT LI j 5 eu x x x 777160 o 5 120VAC 60 7 z sale E Sale SUPPI Y oix x lt 2 208VAC 60HZ lt Pid ac SUPPLY 2 pe LI Z 5 d BLK BL 5 1 l 9 WHT WHT E GRN GRN T e Uu Dus i T E am 120VAC SUPPLY NOTE ALL CASES MUST BF GROUNDED Page 10 April 2008 H A i x gt i ar WIRE NUT UNUSED BLU YEL LEAD _ BLL o9 5 RED 9044290 2 p BLU z E C BLU o 2 C E GRN e 1994 5 8 Y S Y UPPER SHELF LIGHT CHANNEL 5 P ANTI SWEAT HEATER S1 iau fene WE PANEL ERREG ELE TOP SHELF LIGHTS TT o a gt g n z 2 5 E 1 w 3 3 EEE i O LE TYPICAL LIGHTED SHELF WIRING H H E E I Bi TIRI ag si RUBINI HIT THE ATTACHED SOCKET COVERS Y MUST HF INSFRTFD IN EACH al UNUSED SOCKET FOR LIGHTED m SHELVES TO LIGHT CORRECTLY
3. 3 After cleaning replace and secure rear duct panels in reverse order with Shelf Light Sockets 1 Remove shelves and bottom trays see above 2 Remove mounting screws from rear duct panel Page 14 TYLER REFRIGERATION 3 Slowly lift out rear duct panel until the shelf harness connector near the top of the panel can be accessed 4 Disconnect shelf harness connector and complete removing the rear duct panel WARNING Rear duct panels with electrical recepta cles can be cleaned without removing the electrical receptacles Do not get moisture on electrical wires when cleaning under this cover Moisture on wires could cause premature product failure and or personal injury or death from electrical shock 5 After cleaning reconnect the shelf har ness connector and replace and secure rear duct panels in reverse order Discharge Air Honeycomb 1 Loosen screws securing rear retainer plate NOTE Note position of the honeycomb grid dur ing removal so it can be reinstalled the same way 2 Slide rear retainer plate back until the honeycomb grid sections can be removed from the top duct CAUTION Improper installation of the honeycomb grid section could result in improper air flow and or poor refrigeration 3 After cleaning replace honeycomb grid sections as they were removed and secure with the rear retainer plate and screws Front Lower Cladding 1 Remove front kickplate 2 Liftand
4. e tc lt te lt E 2 el kK 28707 UPPER SHELF LIGHT CHANNEL ANT SWEAT HEATER WWE H Homs Bowe 2 om LIA carman TOP SHELF LIGHTS 030 ANGLES DEG i RS IRING amp HARNESS DESCRIPTION BIDECIMALS in gt e 5123837 TYPICAL LIGHTED SHELF WIRING THE ATTACHED SOCKET COVERS MUST BE INSERTED EACH UNUSED SOCKET FOR LIGHTED SHELVES TO LIGHT CORRECTLY IN EACH COLUMN n 9 OPTIONAL LIGHTED SHELVES F 12FT CASES 3 ROWS 9 SHELVES a 2 1 Ro 5 x OPTIONAL HOT CAS o 8 e Q DEFROST TERMINATION 9 i THERMOSTAT m OPENS 55 F CLOSES 40 F Lu Li HOT GAS DEFROST THERMOSTAT 15 MOUNTED 0 Tatie UDIN z THE PIPE BETWEEN z l Q THE DISTRUBITOR AND 5 OPENS 50 F CLOSES 40 F S THE CHECK VALVE ON zu S THE EVAPORATOR COIL Li lo ul TO RACK O15 CONTROL CIRCUI IS OPT ONAL SOI FNOID W PANEL VALVE N LI ATH HER e MINI mates MERCI RE sud B rb B i 2 gt FAN MOTORS 3 PER 12FT CASE n 8 L b MELIA CASE WALL 7 H 1t jji Eh i m BLU Z a BLU tn eu 2 5 OPTIONAL TEMPERATURE a 8 CONTROL THERMOST
5. 7 Defrost Control Chart 7 Installation Procedure Check Lists See Gen UL NSF I amp S Manual Wiring Diagrams 7 NSSD Domestic amp Export 50 Hz Case Circuits 4 Cases 8 NSSD Domestic amp Export 50 Hz Case Circuits 6 amp 8 Cases 10 NSSD Domestic amp Export BO Hz Case Circuits 12 Cases 12 Cleaning and Sanitation Component Removal and Installation Instructions for Cleaning 14 Shelves and Shelf Brackets 14 Bottom TrayS 14 Front Air Ducts 14 Rear Duct Panels 14 Discharge Air Honeycomb 14 Front Lower Cladding 14 Front Upper Cladding 15 Page 2 April 2008 Fan Blade and Motor Replacement See Gen UL NSF I amp S Manual Color Band and Bumper Replacement See Gen UL NSF I amp S Man Anti Sweat Replacement 18 Top Light Channel Anti Sweat Replacement 18 Front Curved Plexiglas Replacement 18 Parts Information Operational Parts List 19 Cladding and Trim Parts 15 5 20 TYLER Warranty See General UL NSF 1 5 Manual In
6. IN EACH COLUMN OPTIONAL LIGHTED SHLEVES 2 6FT CASES 5 ROWS 6 SHELVES a 10 o n x 1 N o PI j x OPTIONAL HOT GAS N Q DEFROST TERMINATION c E D 5 THERMOSTAT HOT GAS DEFROST THERMOSTAT iS MOUNTED o THERMOSTAT z ON THE PIPE BETWEEN 2 OPENS 50 F CLOSES 40 F O THE DISTRUBITOR AND 6 S THE CHECK VALVE ON gt S THE EVAPORATOR COIL 1 d TO RACK CONTROL CIRCUITS OPTIONAL g SOLENOID Oo VALVE LI 2 L H 8 4 GROUND i x d 2 a FAN MOTORS 2 PER 6 or 8 CASES 2 1 TO 1 5 m m 5 2 e 2 g mE SE QA Sz OPTIONAL TEMPERATURE lt Pd CONTROL THERMOSTAT li E D pra 16 p 2 ac D 5 8 120VAC 60112 SUPPLY L 4 Cb 5 BLK d i BLK ba ae Pas 3 WHT 27 z 8 e a GRN gt L ASWTS xlie a ale T 9 2008 NOTE 120VAC 60HZ SUFPLY ALL CASES MUST BE GROUNDED Page 11 NSSD Domestic amp Export 50 Hz Case Circuits 12 Cases M GRN 5 oc 9044290 Lu BLU YEL 49 loy RED oF E Petu o z O BLU amp 00 lt UL m O UPPER SHELF L GHT CHANNEL ANTI SWEAT HEATER st a i 5 O I H TOP SHELF LIGHTS E 2 E x
7. I I I I I I I I I I I I I I I I 4 eee All NSSD light ballasts are located either in the front raceway behind the lower front cladding or in the rear raceway behind the rear rail cover This includes remote ballasts for optional shelf lights The canopy light s are under the canopy light channel in the top of the case The optional shelf lights are mount ed in separate light fixtures under the front of each shelf section In order to retain safety approval with Underwriters Laboratory and the Canadian Standards Association the mounting of electrical components and interconnecting wires must not deviate from the following instructions Only qualified personnel are authorized to install the accessory items TYLER Refrigeration recommends you order all component parts from its Service Parts Department April 2008 Installation amp Service Manual NSSD Rear Ballast Location Replacement 1 Remove screws 1 and rear rail cover 2 from rear of case NOTE If tappit screws are not available a star washer should be used between the bal last and the heads of the screws 1 Remove bottom trays 1 from case 2 2 Install required number of ballasts 3 in rear electrical raceway 4 with two screws 5 each m 3 Identify and connect required wiring har nesses upper lower etc to the ballast connectors 6 4 Replace rear rail cov
8. e we fox 28707 PART TYFE M T MODEL FABRICATED X PURCHASED o a N ING amp HARNESS F peciMaLS 030 ances 1 DEc d A REVISED WIR 5125857 oe TYPICAL LIGHTED SHELF WIRING I BLK HJH LAMP T8 HL war i 4 eatis THE ATtFACHED SOCKET COVERS MUST BE INSERTED IN EACH 3 BLK UNUSED SOCKET FOR LIGHTED SHELVES TO LIGHT CORRECTLY IN EACH COLUMN BLK OPTIONAL LIGHTED SHELVES 12FT CASES 3 ROWS 9 SHELVES 9037598 OPTIONAL DEFROST HEATER nr E 2 2 AUAM 2 OPTIONAL DEFROST LIMIT SWITCH OPENS 50 F CLOSES 530 OPTIONAL SOLENOID VALVE FAN E AN M A FAN MOTORS 3 PER 12FT CASE lk I CASE WALL Lu zii 4 me ee ee ee ee OPTIONAL TEMPERATURE CONTROL THERMOSTAT 5199436 5123835 9403667 5 eV amp IE si 881 eli 65 amp 120VAC 60 7 25 i 25 6 SUPPLY DE Ta T z Z t tp 5 208VAC 60HZ SUPPLY i l 4 WHT d 7 120VAC amp 0HZ L SUPPLY NOTE ALL CASES MUST BE GROUNDED Page 12 April 2008 BA Li 9044290 N Q un n 2 RED E4 BLU LAMP T8 9800221 7 TE T BLU La
9. size on top to largest shelf size on bottom UL SANITATION approved in accordance with ANSI NSF 7 CASE BTUH REQUIREMENTS calculated to produce approximately the indicated entering air temperature with absolute maximum operating ambient limits of 75 F amp 55RH The information contained herein based on technical analysis and or lesls performed in a controlled lab environment thal are consislent with industry practices and is intended as a reference for system sizing and configuration purposes only and for use by persons having technical skill at their own discretion and risk Conditions of use are outside of Tyler s control and we do not assume and hereby disclaim any liability for results obtained or damages incurred through application of or relance on the data presented including bul nol limiled to specific energy consumption with any particular model or installed application SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE 30 July 08 Page 4 April 2008 Installation amp Service Manual NSSD CASE TO CASE SUCTION LINE SUB FEED BRANCH LINE S Cie lw s spo e 8 Recommended Shelf Usage Min 5 downslope required 3 Shelf Combinations 12 top 15 Mid 18 bottom 12 top 15 mid 20 bottom 2 Shelf Combinations 12 top 18 bottom 15 top 18 bottom 26 1 2 52 1 1 2 Mt
10. thermometer stems with black friction tape The tempera ture difference is the approximate amount of radiant heat A change in display lighting or a reduction of high ceiling temperatures over 80 could reduce the radiant heat in the case 2 to 6 F e Display Practices Encourage butchers to maintain all meat below the case load lines and to eliminate product voids Case screens could be covered in some instances to keep the refrigerated air over the display CAUTION The quality damage done to meat products by high temperatures and or contamination during delivery cooler storage cutting and wrapping cannot be repaired by placing the products into properly operating dis play cases SERVICE INSTRUCTIONS Light Servicing See General UL NSF 1 5 Manual for T 8 lamp fan blade and motor and color band and bumper replacement instructions Voids in display raise surface temperature of package in front of void 2 to 6 F Page 16 TYLER REFRIGERATION Ballast and Lighting Locations lle ot a ue m e Tl 2zLlII l m eee eee TTI Ls am c _ a m mU um omm wane ae wo mm aon aw 4 r an e ase sa ze Ze ST ela I I I I I I I I 4 I
11. 5 9045242 6 20 Horizontal End Trim 5964733 21 End Close off Ptd 9037922 per patch end 22 Opt Rear Base Close off 23 Rear Rail Cover Ptd 9024929 Screw 9043080 16 Page 20 9024814 2 9025833 16 9045243 9800024 9024814 2 9024938 9043816 5619204 4 9045242 6 5964733 9037922 9037907 9024928 2 9043080 24 9023799 9023801 9040223 9040223 color per order color per order color per order 9800003 9800006 5183586 10 5183586 12 9800021 9800021 9024814 2 9025833 24 9037941 9800024 9024814 2 9024939 9043816 5619204 4 9045242 8 5964733 9037922 9037908 9024929 2 9043080 32 April 2008 Installation amp Service Manual NSSD April 2008 Page 21
12. 81452 85 lt i lt i lt Mea NM BK BLK di P E TIGHTS 4 d GRN xl wile al alls i 120VAC 60HZ SUPPLY ALL CASES MUST BE GROUNDED PUSH ON CONNECTORS E 9048513 H I C WIRE NUT UNUSED RED LEAD Page 9 NSSD Domestic amp Export 50 Hz Case Circuits 6 amp 8 Cases C OR WIRE NUT UNUSED BLU YEL WIRE BLU E BLU YEL 9044290 3 o 9 2 3800218 BAI DIAGRAM WRG EL Fa bE RE Li UPPER SHELF LIGHT CHANNEL W E i 8 ANTI SWEAT HEATER 2 S C 254 suv MERE 2 i BERGE uw SHELF LIGHTS i 3 4 a alc TT 4 g SSS s 5 TYPICAL LIGHTED SHELF WIRING ERR 2 eda ee si 118 _ fs d JI Log WHT RN BI HOt HT ZI B LJ E LII lj THE ATTACHED SOCKET COVERS UNUSED SOCKET FOR LIGHTED SHELVES TO LIGHT CORRECTLY m IN EACH COLUNN p x m x 2 a wt N N m OPTIONAL LIGHTED SHELVING Y m 6FT OR CASES 3 ROWS 6 SHELVES 5 tn OPTIONAL DEFROST HEATER OPTIONAL DEFROST LIMIT SWITCH OPENS SO F CLOSES 30 F OPTIONAL SOLENOID VALVE PANEL GROUND 2 Hu _____ EE a s 5 T 11 Le OTE 2 e
13. 9023503 9023508 9967100 NSSD 12 5243498 9 Watt 0962268 9041077 9044934 9025002 8 Watt 9025005 9044934 5991030 5991030 9041897 9043428 5124522 5125211 9023503 9023508 5967100 For information on operational parts not listed above contact the TYLER Service Parts Department April 2008 Page 19 NSSD Cladding and Trim Parts Lists TYLER REFRIGERATION NSSD 8 12 5100217 2 5100217 2 5932659 5932659 9800194 9800193 2 9800225 9800225 9800226 9800226 rese 9800211 9800204 9800203 2 9800211 9800211 5100217 2 5100217 2 color per order Item Description 6 1 Screw per cover 5100217 2 2 Joint Trim Rear Riser 5932659 3 Plexiglas Curved 9800193 RH Plexiglas Trim Assy 9800225 LH Plexiglas Trim Assy 9800226 CTR Plexiglas Trim Assy Plexglas Retainer 9800203 4 Plexiglas Joint Trim 9800211 5 Screw 5100217 2 6 Bumper Retainer 7 Color Band Ptd 9023796 8 Color Band Backer Ptd 9040223 9 Bumper Backer 10 Bumper End Trim 11 Bumper 12 Upper Front Cladding Ptd 9800000 Screw 5183536 8 13 Cladding Joint Trim 9800021 Screw 9024814 2 14 Shoulder Screw Bumper Ret 9025833 12 15 Lwr Cladding Ptd 9800212 16 Lwr Cladding Joint Trim 9800024 Screw 9024814 2 17 Frt Kickplate Assembly 9024937 18 Kickplate Joint Trim 9043816 Screw 5619204 4 19 Pipe Leg 2 X 7 2
14. AT es 2 Zl D e I BLU BLU BLU LJL U LIL a 2 5 als DN 120VAC BOHZ amt mja d ow 4 SUPPLY 2112518 2 l 25 8 25 215 Jan F T I lt lt t Ia tu 05 meo MN z 5 71 e BLK E M AA ed Ld 3 GRN _ ___ duwrui A LII CHTS Cy D 120 NOTE ALL CASES MUST BE GROUNDED SUPPEY April 2008 Page 13 NSSD CLEANING AND SANITATION Component Removal and Installation Instructions for Cleaning Shelves and Shelf Brackets 1 Remove product from shelves 2 If shelf has a light unplug the light cord from the socket in the rear duct panel Completely insert socket cover in the light socket to protect the receptacle 3 Push shelves back and then lift up and out to remove them from the shelf brackets 4 Remove shelf brackets from slots in rear uprights 5 After cleaning replace in reverse order Bottom Trays 1 Remove product from bottom of case 2 Grasp and lift out each of the bottom trays from the case interior 3 After cleaning replace in reverse order Front Air Ducts 1 Remove lower trays see this page 2 Lift out front air duct sections 3 After cleaning replace in reverse order Rear Duct Panels w o Shelf Light Sockets 1 Remove shelves and bottom trays see above 2 Remove mounting screws and rear duct panels from case
15. D bah Q LAMP 8 BLU Te 00 st GRN ca UPPER SHELF LIGHT CHANNEL W EC S ANTI SWEAT HEATER e m TOP SHELF LIGHTS 5123837 TYPICAL LIGHTED SHELF WIRING 4 i indill TIT 4 a al BENI THE ATTACHED PAPE MUST BE INSERTED ACH i UNUSED SOCKET FOR TGR HTED 42 SHELV 510 LIGHT CORRECTLY E IN EACH UMN Y e zd gt O 2 wn N m OPTIONAL LIGHTED SHELVING vU gt o 6FT OR CASES 3 ROWS 6 SHELVES di 5 9 m OPTIONAL DEFROST HEATER t LE Ex OPTIONAL DEFROST LIMIT SWITCH OPENS 50 F CLOSES 30 F D 3 3 3 OPT IONAL i SOLENO ID 4 1 CE Deus x FAN DI DI PANEL GROUND TRIS i dB _____ 9 ____ zeer L m lt I ul ul FAN MOTORS 2 PER 6 or 8 CASES 2 i 4 221222222 CASE WALL O LLL LLL LLL LLL L1 44 n 5 1 2 Lu a o E 5 Y NW S OPTIONAL TEMPERATURE q z CONTROL THERMOSTAT z ZE x x 120 60HZ 21552 548 25 2 SUPPLY 208 60HZ Sx dis SUPPLY a z z 5 BLK BL _ Ie WHT ee WHT i LIGHTS il a iTS x a 120VAC 60HZ SUPPLY NOTE ALL CASES MUST BE GROUNDED Page 8 April 2008 WIRE NUT UNUSED BLU YEL LEAD WAAR Ros FINISNED PART AFTER UPPER SHELF LIGHT CHANNEL ANT SWEAT HEATER TYPICAL L
16. EES F CEILING TEMPERATURE DEGREES F MEAT SURFACE TEMPERATURE RISE FROM RADIANT HEAT A wide temperature range is shown for each type of lighting This data does not show all situations Many situations will have higher package warm up figures than indicated It is generally known that the temperature of displayed meat in refrigerated cases will run higher than the circulated air temperature of the cases A dial thermometer stuck into the center of a piece of meat compared with one in the air stream quickly confirms this fact Another fact is that the surface temperature of the meat will be higher than the center temperature due to radiant heat TYLER s ongoing research identifies sources of radiant heat and accurately measures and records it These charts were developed from the information gathered during this research Two major sources of radiant heat are from display lights and ceiling surfaces Additional heat sources come from bad display practices which either overload the case with product or allow voids in the product display Poor display practices impair the efficiency of the refrigeration adding to the surface temperature of the meat Bacteria and molds grow when surface Page 15 NSSD temperatures rise above 45 F This prema turely discolors displayed meats and causes unnecessary meat department losses Radiant Heat Measurement Place two accurate dial thermometers side by side in a case Cover one of the
17. IGHTED SHELF WIRING THE ATTACHED SOCKET COVERS MUST BE INSERTED IN EACH UNUSED SOCKET FOR LIGHTED SHELVES TO LIGHT CORRECTLY IN EACH COLUMN OPTIONAL LIGHTED SHLEVES 3 ROWS 6 SHELVES 6FT OR 8FT CASES DEFROST TERMINATION THERMOSTAT OPENS 55 F CLOSES 40 F THERMOSTAT 15 MOUNTED z ON THE PIPE BETWEEN THE DISTRUBITOR AND o R ED BROWN THE CHECK VALVE ON THE EVAPORATOR COIL TO RACK CONTROL CIRCUITS OPEN ON RISE CLOSE ON RISE OPTIONAL SOLENOID VALVE FAN MOTORS 2 PER 6 or 8 CASES OPTIONAL TEMPERATURE CONTROL THERMOSTAT 120VAC 60HZ SUPPLY NOTE April 2008 EE BLUZYEL Lame Te E pz BLU Jl 51 TOP SHELF LIGHTS HOT GAS DEFROST FAN MOTOR DELAY THERMOSTAT OPENS 50 F CLOSES 40 F Ln mid E RS A Et TO he Stash a OEM SE A Terre 4 E a 4 d x J m 0 Pe N N N lt e n o N in mM lt wn PANEL GROUND a ea RED GRN 5123837 TT a 9037698 4 2 o r1 Bl c TT 5 311 JE m 4 I 9 2 ij nea c me eer mer m Jd d 4 aci S O N z vil z 2 4 JA EE o i Well wil a FH x x Q als 18 5 lt 4 ge
18. er 2 and secure with screws 1 Defrost Heater Replacement B 2 _ 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 2 Unclip and lift up fan plenum 3 3 Disconnect and remove defrost heater 4 from mounting clips 5 and case 2 4 Install new defrost heater 4 in reverse order 5 Restore electrical power to case April 2008 Page 17 NSSD Anti Sweat 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 Top Light Channel Anti Sweat Replacement 3 Taped Case Wires Splices t White Direct i Case Back 1 Remove screws 1 and lower the top light channel assembly 2 from top of the case 3 2 Disconnector cut the defective anti sweat wires 4 from the case wires 3 Remove and replace the aluminum tape 5 and defective anti sweat wire 4 from the back of the top light channel assem bly 2 4 Position new anti sweat wire 4 in case and secure with new aluminum tape 5 5 Reconnect the new anti sweat wires 4 to case wires and reinstall the top light channe
19. for each row of unlighted shelves For sizing all refrigeration equipment other than TYLER use conventional BTUH values Evaporator temperature is defined as the saturated suction temperature leaving the case Air velocity measured 1 hour after defrost at the top discharge air duct using JR velometer with a scoop FOR SPECIFIC COMPRESSOR SIZING INFORMATION REFER TYLER APPLICATIONS FOR RACK SYSTEM COMPRESSORS AND OR THE COMPRESSOR MANUFACTURERS FOR SINGLE COMPRESSORS FOR LINE SIZING IHFORMATION REFER TO IHE MISCELLANEOUS SECTION HUFF IM THE TYLER GUIDE Electrical Data Fans and Heaters 120 and 208 Volt CASE FANS STANDARD FANS ECM FANS ANTI SWEATS DE FROST HEATER E ERAN ME HE tata a wes amp 2 10 9 osa 22 120 59 1352 s 2 r ss 22 os 5e eso xz 3 150 vs oss ss 020 240 1030 236 _ Heaters 208 Volt 208 VOLT DEFROST AMPS L FT 4 6 8 12 16 20 24 28 32 36 40 44 48 52 _ ipy 45 6 5 6 9 103 138 172 206 241 275 309 378 412 447 TG 30 TG 30 TG 30 TG 30 TG 30 TG 30 40 40 TG s0 TG s0 TG 30 TG 50 TG 50 120 150 180 150 180 180 210 250 280 300 3 30 TG 3 30 TG 3 30 TG 3 30 T6 3 30 TG 3 30 TG 3 30 3 40 3 40 TG 3 40 T 8 ee with Electronic Ballasts 120 V
20. l assembly 2 with screws 1 6 Restore electrical power to the case Page 18 TYLER REFRIGERATION Front Curved Plexiglas Replacement 3 New 2 3 Damaged 1 Remove two screw 1 and plexiglas joint trim 2 from both joints of the damaged plexiglas 3 2 Remove damaged plexiglas 3 from plexi glas retainer 4 3 Position new plexiglas 3 in plexiglas retainer 4 4 Install plexiglas joint trim 2 with screw 1 over the joint areas of plexiglas 3 April 2008 Installation amp Service Manual PARTS INFORMATION Operational Parts List Case Usage Electrical Circuit Case Size Fan Motor Fan Motor Brackets Fan Bracket Plate Fan Blades 7 35 5B Opt ECM Fan Motor Opt ECM Fan Motor Brackets Opt ECM Fan Blades 7 35 5B T 8 Ballast canopy amp shelf canopy 1 row opt shelf 2 row or 3 row T 8 Lampholder canopy or shelf Anti Sweat Heater Wire top light Opt Elec Def Heater Opt Elec Def Limit Klixon Opt Gas Def Fan Delay Klixon Opt Gas Def Term Klixon NSF Product Thermometer 6 5243498 9 Watt 5962268 9041077 9044934 9025002 8 Watt 9025005 9044934 5991029 5991030 9041897 9043426 5125153 5125211 9023503 9023508 5967100 Domestic 115 Volt 60 Hertz 8 5243498 9 Watt 9962268 9041077 9044934 9025002 8 Watt 9025005 9044934 9991029 9991030 9041897 9043427 9124521 9125211
21. lZ Carrier A United Technologies Company Aeg ro Installation amp Service TYLER REFRIGERATIONA THREE DECK MEAT DELI CRITICAL TEMP PRODUCE MERCHANDISERS WITH CURVED FRONT GLASS Medium Temperature Self Serve Display Cases This manual has been designed to be used in conjunction with the General UL NSF Installation amp Service Manual Save the Instructions in Both Manuals for Future Reference This merchandiser conforms to the American National Standard Institute amp NSF International Health and Sanitation standard ANSI NSF 7 2003 PRINTED IN Specifications subject to REPLACES ISSUE PART IN U S A change without notice EDITION 10 02 DATE 4 08 NO 39037171 REV B Tyler Refrigeration Niles Michigan 49120 TYLER NSSD REFRIGERATION CONTENTS Page Specifications NSSD Specification Sheets 4 Line Sizing Requirements See General UL NSF 1 5 Manual Pre Installation Responsibilities See General UL NSF 1 5 Manual Installation Procedures Carpentry Procedures 6 Case Pull Up Locations 6 Plumbing Procedures See General UL NSF I amp S Manual Refrigeration Procedures See General UL NSF I amp S Manual Electrical Procedures 6 Electrical Considerations 6 Defrost Information
22. ol Chart Defrost Defrost Defrosts Duration Term Type Per Day Min Temp Off Time 6 28 once Electric 6 36 50 F Gas 6 12 15 55 F E Electric Defrost Termination G Gas Defrost Fan Delay F S Electric Defrost Failsafe Opt NOTE The termination klixon for gas defrost is located at the bypass check valve at the left end of the evaporator coil 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 April 2008 NSSD 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 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 8 thru 13 will cover the NSSD case circuits including all defrost and lighting wiring circuits Page 7 NSSD Domestic amp Export BO Hz Case Circuits 4 Cases JE WIRE NUT UNUSED BLU YEL WIRE BLU YEL RE
23. olt MAXIMUM LIGHTING CANOPY LIGHTS SHELF LIGHTS PER ROW 4 ROWS CASE MODEL LENGTH AMPS WATTS TT 5 1948 389 989 T 72 as NSSD 6 040 48 050 05401140 60 96 132 1 50 180 NSSD 8 050 1 10 1 40 84 132 168 190 228 L NSSD X 12 0 70 84 105 165 9210 126 198 252 2 80 336 One row of canopy lights is standard for this case Defrost Data EPR 68 DEFROST WATER DEFROSTS DURATION mec Reso LBI FT DAY DEFROST TYPE PER DAY TIME MIN F R22 SIG R404A ann puo N3MG 3 TMEOF 6 28 EEIRIC 6 3 50 HOT GAS 86 12 15 ifan Electronic Sensor is used for termination it should be set at 70 F termination temperature Set EPR to give this pressure al the case I he sensor must be localed in the same location as Ihe defrost termination klixon for that defrost ype DEFROST CIRCUITS OFF CYCLE defrost is standard use TC defrost module OPTIONAL ELECTRIC defrost uses a single or 3 phase circuit OPTIONAL HOT GAS defrost uses 2 control wires amp 208V perlineup CASE CIRCUITS This case requires a 120V circuit for fans lights and anti sweat heaters Screens are standard Shelving must be ordered separately All rows of shelving require a shelf gasket Shelves are available in 12 15 16 18 and 20 deep sizes When multiple shelf sizes are used position smallest shelf
24. pull out front lower cladding until rear tabs clear holes in front of frame assembly After rear tabs are clear pull down on cladding to clear upper tabs from slots in bottom of upper front cladding and remove cladding from case April 2008 Installation amp Service Manual Front Upper Cladding 1 Remove plexiglas from plexiglas retainer Remove screws and plexiglas retainer from top of bumper retainer 1 Remove color band bumper and bumper retainer from the case See General UL NSF 1 5 Manual 2 Remove front kickplate 3 Remove screws and front lower cladding See page 14 4 Remove screws from top and bottom of upper cladding and remove front upper cladding 5 After cleaning replace front upper cladding and remaining front components in the reverse order GENERAL INFORMATION NSF Product Thermometer Installation 1 Unwrap the thermometer and bracket assembly shipped loose with the case 2 Remove left front return air duct 3 Position bracket 1 in from left edge and just under the bottom return air duct holes 4 Mount the bracket to the return air duct with two self tapping screws 5 Replace the front return air duct April 2008 NSSD Radiant Heat Information HEATING EFFECT OF VARIOUS TYPES OF LIGHTING AND INTENSITIES ON PACKAGED MEAT IN OPEN DISPLAY CASES HEAT ADDED TO MEAT SURFACE FROM LIGHT ALONE HEAT ADDED TO MEAT SURFACE FROM LIGHT ALONE CEILING TEMPERATURE DEGR
25. re all electrical connections at com ponents and terminal blocks are tight This prevents burning of electrical terminals and or premature component failure NOTE The NSSD has two raceway locations that can house the electrical wiring components and terminal blocks All components and wiring can be located in either the lower front or the lower rear of the case Case Fan Circuit This circuit is to be supplied by an uninterrupt ed 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 Fluorescent Lamp Circuit Case lighting is supplied by T 8 electronic ballast lights It is controlled by a light switch in each case The standard lighting is 1 row of T 8 canopy lights NSSD models also offer up to rows of optional 1 8 shelf lights Anti Sweat Heater Circuit NSSD cases have three anti sweat heaters One in the top light assembly one in the front glass trim rail and one in the front glass retain er All anti sweat heaters are wired directly to the main power supply so they can operate at all times April 2008 Installation amp Service Manual Defrost Information See General UL NSF I amp S Manual for operational descriptions for each type of defrost control Defrost Contr
26. stallation amp Service Manual NSSD Page General Information NSF Product Thermometer 15 Radiant Heat Information 15 Radiant Heat Measurement 16 Display Practices 16 Service Instructions Preventive Maintenance See General UL NSF 1 5 Manual Light Servicing 16 Ballast and Lighting Locations 16 Ballast Replacement 17 Defrost Heater 17 The following Medium Temperature Top Display Meat Deli and Critical Temp Produce Merchandiser models are covered in this manual MODEL NSSD April 2008 DESCRIPTION 4 6 8 amp 12 CURVED GLASS FRONT 3 DECK MEAT DELI MERCHANDISER Page 3 TYLER NSSD REFRIGERATION SPECIFICATIONS NSSD Three Deck Meat Deli Critical Temp Produce Merchandisers Refrigeration Data CAPACITY BTUHIFT DISCHARGE AIR AVG REF CASE CASE EVAPORATOR UNIT SIZING CHARGE MODEL LENGTH USAGE F F VELOCITY LBSIFT PARALLEL CONVENTIONAL NSSD 4 6 8712 Capacity data listed for cases with 1 row of T 8 canopy lights and 3 rows of optional lighted shelves Adjustments must be made to this base rating for each option installed on this case DEDUCT 23 BTUH FT
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