INSTALLATION & SERVICE MANUAL (ISM) A5FGN(T
Contents
1. 62 1 8 36 1 8 10 3 4 m 92 1 2 pieds 29 1 40 3 8 40 3 8 H J 2 13 16 cav TYP 2 19 16 F 4 1 2 4 ye 1 Y e e 59 1 2 59 5 8 e e ye 4 VEN E F 43 3 9 m 5 9 t Ls TYP 2 DOOR 30 DOOR BB CASE 3 DOOR 30 DOOR BB CASE E 153 3 8 66 1 2 38 3 4 66 1 2 4 38 3 4 as 3 4 3 4 gt 1 18 2 13 16 Tm Ed pe ss tor 4 1 2 4 1 2 e ej 59 5 8 59 5 8 z 10 3 4 i ved 73 3 4 207273 L 4 ve 73 3 4 4 TYP 8t 9 5 TYP L di TYP 4 DOOR 30 DOOR BB CASE 5 DOOR 30 DOOR BB CASE Figure 5B Base Locations for 2 5 door back to backs 77 7 16 5 8 5s ah 3 11716 3 11 16 m 3 S pas 3 1 4 rio TYP 24 3 16 38 3 4 WRAP AROUND CASE WA Figure 5C Base Locations for end case February 2009 www carrier tyler com Installation Case Movement The back to back BB cases are shipped with wood planks that allow the use of pipe rollers These wood planks should be removed after the case is moved to its final location Figure 6 All cases have steel protective support plates under the ends not under2. 64 Shims Both corners of the b base buckling Figure 4 Shims under bases and case ase must be supported by shims to prevent 92 1 2 13 16 13 16 m 5 A 1 4 30 3 16 30 3 16 pm e d _ d 2 DOOR 30 DOOR CASE 34 3 8 10 Typ DOOR 30 DOOR CASE 123 13 16 5 r 56 1 2 30 3 16 e 10 TYP aee 49 3 4 4 DOOR 30 DOOR CASE 153 3 8 13 16 5 E 10 46 1 8 30 3 16 5 DOOR 30 DOOR CASE Figure 5A Base Locations Tyler Refrigeration Niles Michigan USA February 2009 Manual Part 10000004
3. 0 Add 770 89 ON SMOIOnQNOO M3ddOO 451 f SNOILD3NNOO s3WOISh 000 NOMAN 1 yovia aug 35V OIN IAM eee M A SLL SNV4 AOZL QION310S anon 2 A 911 sinon bx IWNOlLdO 5 ba HH tZ N04 v TWNIAN3L OL Y vl gt ONIHOIT MH vZ NN Q30010NI LON 7 6 8 4 9 r ef z t V9 vl MOVIE u ka ese bus G ISIN 35010 MOTA 3M PUN 3ANA GION310S ONY 350172401 SNv3 oom 7O3INOO JYNLVYAdL TYNOLLdO Norm c TWV NV sv 3405 30 univ C 2 S 0302 Me SNY3 ANa SETS JONVYO M ALHM JONVYO MOOQ 3M0IVM3dW31 1109 1608440 3SN3S 01 Q34 M SNO 2 J1dund N 3lIHW T1dund YANINI oo e m did LM 9 SNO EQ SW GGG MOTIA M 4 Nil3li3d OMINOO 1504330 Tavisnray xii S 818 HOMS 40 3009 3AVHJ NOOQ Hot Gas Defrost A5FGN T ABFG T BB Wiring Diagram Figure 18 www carrier tyler com 21 February 2009 T sweats Field install and anti Valve These are required only on the master case The satellite case would only require terminal blocks for lights diagram shows a Defrost Time Clock fans This wiring diagram for ASNGN cooler merchandiser
4. Temperature Control Adjustment Leak Check Evacuation Charging Line Sizing Tables onc ERE ERES ELECTRICAL EE ERE Optional Electrical Wiring Wiring Diagrams DEFROSTING Defrost Setting and Controls Electric Defrost Operation Gas Defrost Operation Limit Thermostat Coil Parts Breakdown USER INFORMATION AND SERVICE User Information Cleaning Shelf Location Shelves Loading the Case Light Switch Case Thermometer Case Lineup Combinations and Length Chart Tyler Refrigeration Niles Michigan USA 14 14 15 16 19 19 20 25 26 26 26 27 28 29 ASFG T BB ASNGN T ASNG T BB SeIVICG sara des gS Bae 28 Evaporator Expansion Valve Defrost Heater Element 30 Heater Element Removal Evaporator Fans Air Curtain Velocity Fan Removal Ballasts Fluorescent Lighting Optional Lighting 31 Front Edge Trim Replacement 31 REVISION LOG 32 EQUIPMENT WARRANTY 33 February 2009 INTRODUCTION Information contained in this manual pertains to both low temperature and medium temperature display merchandis
5. 3 8 20 610 48800 1 2 Up to 200 equivalent feet 90 F Liquid 2 F Pressure Drop For rated Btuh For 1 F pressure drop multiply rated Btuh by 1 45 before using the Liquid Line Sizing Table Larger liquid line size may be used such as 3 8 if preferred liquid Correction Factors for Liquid Line Sizing Table Use Maximum Liquid Temperature For maximum liquid temperatures other than 90 F multiply rated Btuh by liquid correction factor before using the Liquid Line Sizing Table Liquid Correction Factor 0 97 3 Suction Horizontal Line Sizing Up to 50 equivalent feet 90 F Liquid 2 F Pressure Drop For rated Btuh Up to 100 equivalent feet 90 F Liquid 2 F Pressure Drop For rated Btuh Up to 150 equivalent feet 90 F Liquid 2 F Pressure Drop For rated Btuh Up to 200 equivalent feet 90 F Liquid 2 F Pressure Drop For rated Btuh Tyler Refrigeration Niles Michigan USA ___ 1270 sne ___ 1 350 sne ___ 1080 sne seo seo 1070 1960 se 5820 1090 5 8 10 910 18 100 7 8 18 110 28700 7 8 7 8 40000 1 1 8 69 600 For 1 F pressure drop multiply rated Btuh by 1 44 before using the Suction Horizontal Line Sizing Table Larger suction horizontal line size may be used if preferred 13 4 horizontal suction line may be used to reduce cost liquid Cor
6. Defrost termination thermostats may be wired in series for multiple evaporator installations Defrost termination thermostats may be used as a digital input for electronic controllers Limit Thermostat Each freezer has factory set limit thermostats Klixons attached to the return bends of the coil on the right end of the freezer to regulate the operation of the evaporator fans and anti sweat door heaters A limit thermostat is optional for the light circuit When a limit thermostat is provided in the lighting circuit the lights will be off during defrost IMPORTANT OPERATION OF THE LIMIT THERMO STATS CAUSES THE EVAPORATOR FANS FREEZER LIGHTS AND ANTI SWEAT DOOR HEATERS TO REMAIN OFF UNTIL THE COMPRESSOR IS OPERATING AND THE COIL TEMPERATURE IS BROUGHT BELOW THE THERMOSTAT CUT IN SETTING 5 F SUPERHEAT MUST BE SET CORRECTLY BY THE INSTALLING CONTRACTOR FOR PROPER THERMOSTAT OPERATION When the freezer first operates the fans and lights may cycle off and on a few times until coil temperature is below 5 F The superheat must be set for proper operation The 30 door models have a high limit thermostat installed on the coil return bend wired in series with the defrost heaters This thermostat opens when the temper ature reaches 80 F February 2009 Manual Part 10000004 s uuu suction tne HENTEXCHANGER FRONTHERTING ELEMENT C o REAR EATING ELEMENT 11 DEFROST
7. Serial Number Z Carrier A United Technologies Company February 2009 33 www carrier tyler com
8. drip Reduced at 40 mins 1 day at 40 mins Temperature i a 5 min drip 5 min drip Preferred Termination For optimal performance Tyler recommends a temperature terminated defrost using a defrost termination thermostat or probe attached to the dump line At ASHRAE test conditions termination ranges from 12 22 minutes Defrost termination thermostats are optional on hot gas or reduced temperature gas applications If the cases are so equipped the defrost termination is 65 F Electric Defrost Operation The compressor stops when the defrost is initiated in a non pump down system On pump down systems the liquid line solenoid will be de energized when the defrost is initiated The clock will energize the 208 230 volt defrost heater and energize the normally closed 208 230 volt contactor or relay This de energizes the 115 volt fans lights and anti sweat heaters If you don t have a light circuit limit thermostat the lights will not de energize After the defrost period the compressor will operate When the coil temperature reaches 5 F the fan light and anti sweat heater limit thermostats Klixons will close starting the fans lights and anti sweat heaters Figure 22 Gas Defrost Operation Several types of gas defrost methods in conjunction with time actuated time or temperature terminated defrost timers can be used to defrost the evaporator The refrigeration system designer and installer a
9. ovi o ji 1 9 3Sv9 NAHL Ch wa i 2007 553393 5828 SINASANAY 021531039 SI f TWNOILdO MELTEM anand T 3SVO IHL OL 2807 wood S NI NAY SIMIM TOMINOD SNOLLO3NNOO Sav 521 sanoan 09 1 ASLE YNOH Y9 fL IHM I I HOLMS ds 40 40 No ln T08IN09 10430 V L INNON WAVY i SN Y9 1 MOTTA 0 1 6 MNOLdO Sinon V9 IHM 901 Q3103NNOO 53570 N3HM 3570 G3TIO3MINO09 3llTTilVS Tyler Refrigeration Niles Michigan USA DEFROSTING General Periodic defrosting to keep the coil free of frost is accom plished automatically by a time clock only in medium temperature coolers or used in conjunction with an electric or hot gas defrost in low temperature freezers Defrost Settings and Controls Off Cycle Defrost Medium temperature coolers are typically defrosted by using an off cycle defrost During an off cycle defrost refrigeration to the cases is halted but the evaporator fans continue to run Frost is melted by the warmth of the display case s internal air Typically anti sweat heaters and display lights operate during defrost Defrost may be terminated by time 30 minutes or upon reaching a coil temperature of 43 F Electric Defrost Frequency One electric defrost p
10. 50 equivalent feet Up to 100 equivalent feet Up to 150 equivalent feet Up to 200 equivalent feet 90 F Liquid 2 F Pressure Drop 90 F Liquid 2 F Pressure Drop 90 F Liquid 2 F Pressure Drop 90 F Liquid 2 F Pressure Drop For rated Btuh For rated Btuh For rated Btuh For rated Btuh Horizontal Horizontal o 1730 3 6 o sof set of sof So 1910 12 528 L920 3400 58 tFor 1 F pressure drop multiply rated BTU by 1 44 before using the Suction Horizontal Line Sizing Table Larger suction horizontal line size may be used if preferred 13 4 horizontal suction line may be used to reduce cost Liquid Correction Factors for Suction Horizontal Line Sizing Table Use Maximum Liquid Temperature For maximum liquid temperatures other than 90 F multiply rated BTU by liquid correction factor before using the Liquid Line Sizing Table liquid ConectionFactor 072 0 086 092 100 109 12 137 Suction Vertical Riser Sizing Maximum Allowable Riser Size For Adequate Oil Return 70 F Minimum Liquid Temperature using 0 35 PSI Per 100 Feet per 2006 ASHRAE Handbook Refrigeration For rated Btuh f horizontal line size is smaller than specified vertical riser size the smaller size may be used for both 13 4 suction riser may be used to reduce pressure drop Liquid Correction Factors for Suction Vertical Riser Sizing Table Use Minimu
11. INL NOISIO3Yd 3SVO OL 359 NOYA NOY SIYM AHL vo 91 3690 3lTHINS NOHA M43HI3901 Q3193NNOO 33V 53570 N3HM 8 3570 NI Q3INDOW 3SV9 N3TIOMINOO 331ISVW 23 www carrier tyler com February 2009 Diagrams low temp Satellite Controlled Master Satellite Wirin Figure 21 February 2009 0000 4 Ma SNvd 300 24650 89 ON liyd SYOLINANOD 39909 AINO ISN JONVUO M 3IHM 39NVNO 3000 3UHM 034 3uHM 3idNnd Yaad ONIMIM 3SV9 il ONES N M IHM 2 ot xy MOTIA M 3ldund QN3 33I3WDBd NNB YIB HONNS IH3H 3000 30100 3MIM 3WW44 T w 1i Y9 21 L 30018 OL M pz ex edi 7 aam zB EB ord L CA Em NNOlLdO t e ann 398 NO 90 308 3 STVNINAAL 4110 29 ADVA 6 89 E gja tar Rv 2 xog X08 AGNYH W NONO ri l 3DV1d4938 Q3S30034 SI 352 OL NONOJ ERI 00 ae 1040 3000 6 ox a 4 RUE ER WORUOTTA dolt Xy ON WNola0 E III aie HOLMS VO 8 V9 1 n 021 09 1 A611
12. TERMINATION PROBE LOCATION Figure 22 Coil Parts Breakdown Electric Defrost ravnousne __ conoce _ 7 BRIER OPTIONAL n oew 12 3 3 3 a NN 6 7 SLHXHEAT EXCHANGER e o 5 s seersuss 1 DEFROST TERMINATION PROBE LOCATION Figure 23 Coil Parts Breakdown Hot Gas Defrost February 2009 27 www carrier tyler com USER INFORMATION amp SERVICE User Information Cleaning Cases should be thoroughly cleaned before start up and routinely thereafter to maintain a clean appearance Use mild detergent and warm water never an abrasive cleaner to wipe out the inside of the case Wash down all glass doors with glass cleaner Do not use any products containing silicon on anti fog glass coatings Clean interior glass reduces fogging and increases visibility The case will remain bright and sparkling with just a few minutes of cleaning each week Internal components can be cleaned after removal of access panels The case drain should be regularly cleared of debris and price tags Do not use high pressure water or steam to clean the interior Shelf Location The shelves are adjustable in 1 increments and may be located in any position for the best display advantage Be sure shelf clips or brackets are completely seated before installing the shelf The shelf brackets for wire shelves only are stamped with R for Righ
13. in the master case it sends an electrical signal to each satellite case to energize the defrost relay and initiate a defrost in all of the cases A second set of interconnecting wires are connected in series between each of the cases Each case defrost heater is de energized when the coil reaches the defrost termination temperature An additional signal is relayed to the next case indicating that the termination temperature has been reached When all of the cases have reached termination temper ature the defrost termination circuit is complete and the defrost is terminated The liquid line solenoid is energized at the end of the defrost cycle and the defrost heaters are de energized The suction line pressure rises and the compressor starts When the evaporator reaches operating tempera ture the delay thermostat klixons will close energizing the fans and anti sweat door heaters www carrier tyler com Wiring Diagram Electric Defrost ASFG T BB Figure 17 3 A38 6950 69 ON WIA YJdd09 AINO 350 SYOLONGNOD 1021 a EAE A ee E Lyovig t WwNolldO Nyd Ol 331V3H ox A 802 cou rig 1 035 A AHA S1H9N yowld q aug CASN SI ON 31 T OL ATLO3YI
14. insulated dividers They are designed to protect the end from Johnson bar damage Use the following methods to move the cases Fork lift Johnson Furniture Pipe Safe case from ends bar Dolly Rollers jacks A5F N GN T A Zx x gt L L Fork lift from the rear Care should be taken when moving the cases The doors should be secured so they cannot open while the case is moved Only experienced certified fork truck drivers should use fork trucks to move the cases The case should only be lifted off the floor as high as necessary for transport The fork truck should be driven slowly avoiding any abrupt motions or bumps ASFG T BB ASNGN T ASNG T BB The following fork lift dimensions must be maintained to avoid damaging the case when it is lifted 2 Door Merchandisers Forks must extend from 26 to no more than 30 under the case 3 Door Merchandisers Use 48 long forks Forks must extend from 39 to no more than 43 under the case 4 and 5 Door Merchandisers Use 48 long forks Forks must extend from 44 to 47 under the case Fork blades wider than 4 will not fit into the bases For low shipping height applications such as the use of the optional Remote Condenser Unit RCU Tyler has optional expandable bases As shipped the base is 1 3 4 tall It is attached with spacers that allow the base to slide away from the bottom of the case creating a gap that allows the use of a 1 1
15. 2 thick fork truck blade Figure 6 Removing wood planks Tyler Refrigeration Niles Michigan USA February 2009 Manual Part 10000004 Drain Line The drain is located at the center of the case in the floor pan The drain can be reached by removing the center coil covers and then removing a fan motor The 1 PVC drain outlet is located at the center front of the case behind the kickplate Install the tee to the outlet pipe and a drain trap to the tee Plug the open end of the tee using the clean out plug supplied with the drain trap kit The drain line must be pitched away from the case The tee drain trap and plug are supplied with the case and the factory installs a drain support at the front of the case A trap support is supplied and is field mounted to the case Figure 7 The drain trap must be level and should be primed with water after installation q DRAIN TRAP SUPPDRT DRAIN SUPPORT Figure 7 Trap Support February 2009 9 www carrier tyler com Installation ASFG T BB ASNGN T ASNG T BB Lineup Assembly 1 Set the first case into the desired position and level it Run a 1 4 to 3 8 diameter bead of Butyl caulk 1 2 in from both the inner and outer surfaces of the case end Figure 8 2 Push the second case against the end of the first Level the second case Remove the left and right end coil covers and the rectangular pocket hole
16. 38 NOITINW 31d3nd IM 49191 434 21 4 11 IM ILIHM MOTIJA M 3 QN3 3d313Wl33d NH82I18 HOLIMS 1H9IT1 HOLIMS 3009 30102 3A V3 4000 zn 4000 ANOHLNY NOIMINW 22 Tyler Refrigeration Niles Michigan USA ASEG T BB Master Satellite Wiring Diagrams low temp Figure 20 Master Controller 0509 did ma SNYJ z dOl Q A 6G0 G9 ON SYOLONGNOD 33dd09 AINO ISN 39NV40 M ALIHM JONVUO 4000 VM UHM 3 MOTIA M 3ldM d ONJ W3313W03d 8718 IHIN 3009 80109 JNVYs 3000 0 v 0 79 HOIIMS X08 X v 6 30018 TNINH3L OL GGINNOW ZL X WNOlLdO Pt v5 1 3ma 6920 79 ang ISIU NO 35010 1 200 29 Z JONINO aral 910 9 41 LINGNOO m 39018 OL E EE eM X08 ONY TOV X31400 INN NI vil0 Z0 an anche Bi 5 7 INO IO ASIS TNISNI q EO 35001 Gaddis 3000 6 V J Sdi 8 09 1 1 3IVSN30N09 lt usano SIHONM YH vC 3l 3584 NO N3d0 308 2 03 SWNINYAL 35010 3 0 N3d0 3 37 7090 690 9 1 1508430 vO vb AVE Wo 2000 79 a ANY 1545 3590 40 401 NO GGINNON Waviv Y 1 MOTISA M IHM Sam xe AG Y 1 AOcZ 802 00 919 X901
17. SE Figure 10 Required sealing for NSF approved installations 11 www carrier tyler com Installation Kickplate and Bumper A custom Tyler cart bumper is standard on all case models and is installed at the bottom front of the case The assembly is adjustable to compensate for uneven floors Installing the End Kickplate Figure 11A The end kickplate attaches to small brackets that are affixed to each side of the case The kickplate can be adjusted vertically to match the height of the floor below it 1 Attach a Tinnerman clip to the side kickplate support 2 Place the end kickplate against the Tinnerman clip on the end kickplate support 3 Install a black 3 4 screw through the end kickplate into the Tinnerman clip A scratch awl or similar tool can be used to line up the holes 4 The front lip of the end kickplate lies behind the front kickplate and is attached with screws to the front kickplate and front end kickplate supports FRONT KICKPLATE BUMPER END BUMPER ASSEMBLY BUMPER SUPPORT SPLICE ASFG T BB ASNGN T ASNG T BB Installing the Front Kickplate amp Bumper Figures 11A amp B The front kickplate and bumper attaches using 172 screws attached to support brackets located on the front of the case The kickplate can be adjusted up and down to fit the height of the floor below it 1 Starting from the left end of the lineup attach a Tinnerman cl
18. TYLER REFRIGERATION A division of Carrier Commercial Refrigeration Inc Low and Medium Temperature Narrow Depth Glass Door Display Merchandisers _ SERIES INSTALLATION amp SERVICE MANUAL ISM mem For Model Numbers lb NSF A5FGN T A5NGN T ABNG T BB Manual Part no 10000004 ISM Document Information Issue Date February 2009 Revision Mark First Edition Replaces n a Details of each revision can be found on page 32 of this manual Individual product ISM s are designed as supplements to Tyler s General Installation amp Service Manual Copies of current ISM s are available on the Tyler Refrigeration website in the Quick Reference section Tyler Refrigeration 1329 Lake Street Niles Michigan 49120 USA Z Carrier ph 800 992 3744 fax 269 684 9802 email tylercorp carrier utc com www carrier tyler com A United Technologies Company TABLE OF CONTENTS INTRODUCTION Delivery Inspection PACKAGING r mass bi wasi Ra dns LOCATON i eden d dea X qe das INSTALLATION Leveling Rx eg Re Case Movement Drain Lin os da Rb bee ywan ae Lineup Assembly Kickplate and Bumper Under Case Return Airflow REFRIGERATION Refrigerant Piping
19. acement piece reinstalled The following procedure demonstrates how to replace the edge trim A Back out and retain the frame screws that secure the J strip that covers the inside edge of the trim piece If the door hinges on the side of the edge trim that needs replaced it will be in the way of the frame screws and will need to be removed first in order to access the screws B Use a razor blade to score and remove the clear silicone bead and then remove the J strip Remove excess silicone from the J strip as needed NOTE Take proper precautions when using a sharp razor blade w m M Won B Y Y aM 4 C The edge trim piece is secured to the front with commercial grade double sided tape not supplied by Tyler To remove the damaged trim start at the top with a blade or screwdriver and tap out to separate the trim from the end panel Continue downward by gently prying the piece from the panel until removed Remove any loose debris or tape and then apply strips of double sided tape to the front of the end panel and remove the backing from the tape Make sure the entire surface is covered February 2009 Manual Part 10000004 D Seat the new replacement edge trim piece by laying the top fold of the edge trim into place first keeping the trim at an angle away from the panel Then work the piece into place by pressing both downward and inward applying e
20. air circulation require a 4 gap cient strength to prevent sagging Out of level conditions will result in reduced performance These cases must not be installed in the direct rays of the sun or near a source of radiant heat Wall merchandisers those set with their backs to a wall 2 B 2 B 2 2 1 1 1 1 FRONT HP LINEUP CASE JOINT LABELS 1 A1 1 1 1 B1 1 B1 1 A 1 4 1 B 1 B FRONT OF LINEUP BACK TO BACK CASE JOINT LABELS Figure 1 Case label information Tyler Refrigeration Niles Michigan USA 4 February 2009 INSTALLATION Leveling Merchandisers must be installed perfectly level to allow efficient operation of the refrigeration coils and complete drainage of defrost water Since a level area is seldom available the following steps are recommended to insure a level installation 1 Measure off and mark on floor the exact dimensions of the case lineup Check blueprints 2 Snap a chalk line at the locations for the front and back positions of the base rails Figure 2 A 3 Mark locations of all joints front and back 4 Using a laser or transit find the highest point along both base rail position lines Using the high point as a reference mark the difference directly on the floor to each joint front and back Figure 2 B 5 If you plan on using opti
21. c instructions are packaged with the shipped loose thermometer Service Cart bumpers must be removed to gain access to drain clean outs and electrical connections Disassemble the bumper and kickplate by removing the 2 or 3 metal screws located in the kickplate The bumper assembly can be lifted up and removed from the case The kickplate can be removed exposing the electric tray cover and drain Figure 11 Evaporator The evaporator coil located at the bottom rear of the case is factory assembled with the distributor expansion valve and other refrigeration components To inspect the coil remove the center or left of center coil cover A small inspection port is located at the rear of the case To inspect the entire coil remove the remaining coil covers and raise the evaporator cover Expansion Valve A superheat adjustable externally equalized thermostatic expansion valve with a removable strainer and pressure limiting charge is mounted to the evaporator coil unless otherwise specified The valve is not preset Adjust the superheat setting for maximum coil effective ness Typical superheat settings are between 6 F and 10 F Close coupled systems should use the higher superheat setting to minimize the chance of liquid flood back To adjust the expansion valve remove the right end coil cover Remove the cap from the bottom of the valve When looking at the valve stem end turn the valve stem counterclockwise to decrea
22. covers accessing the holes in the end frames of each case as shown The bolt kit supplied with the cases includes diagrams of these locations Install tee strips between the door frames at case joints See Figure 9 Use the special screws and nuts provided 3 Start the joining bolts but do not tighten them Begin tightening the bolts at the top rear working down the back of the case and up the front making sure that the front seams are flush 4 For NSF case installation the interior case seams need to be sealed using NSF approved caulk not supplied Figure 10 5 The end panel protector support plates should be removed after the cases are set in their final Figure 9 T Strips position DO NOT APPLY EXCESS AMOUNTS OF BUTYL SEALANT THAT WOULD CAUSE IT TO SQUEEZE ONTO END FRAME METAL AREAS Caulk sealant used to join cases and complete the sealing requirements for NSF compliance should not come in contact with butyl sealant Apply to clean dry surfaces free of contaminants that adversely affect adhesion and could change color of sealant joint areas over time Procedure for Joining Cases 1 4 318 TYPICAL These procedures are critical Failure to follow these BUTYL SEALANT guidelines will result in a poorly functioning case This HEADS is especially true of freezers 1 Apply two 1 4 to 3 8 wide beads of Butyl sealant 1 2 in from the inside and outside edges of the foamed insulated ceiling rear wall ba
23. d _ 1 1 3000 INVA NOTIN 1 9 yovla yowg a A sii S9NIIH9I1 MHZ 2 0 NOXIDI auk SHY 804 LINO H NAHL RE 90 9 EIER El 51 353 38 ON d 102 0 2 80 10de mis Qo SIVISOWS3HL AYT30 9 8 SNOILOINNOD YINOISNO 9 0 3SV OINI NA g NOTAN 5 NI AOZL QION310S 3Nn H vo 1 H vo 1 g Y vl IHM 038 Sg S SW3lV3H 1505 30 467 35019 109 aa awe 2 b Y vl MOVIE os fQV NON 9 YIHLI NO 90 0920 79 NO 35010 m MOTHA 351 3909 NO 35010 3SlJ NO N3dO 3514 NO N3d0 zx JAWA GION3IOS ANON ANY 3 08 13S 0S 13S NOLWNINSAL OMINOO 3BniVM3dA3L TVNOlLdO SOYI NMONB M 1509 30 3l8viSnr v IWISONYSHL 100 102 AL33VS TM jin 1402 diy I8 SNVJ SE GARI JONVUO M 3lIHM 39NVMO 5000 SI 3lIHM Q3N NOITINN XANA ins VOU 3idMnd M 319 9 3313034 A DN UHA 9 1 318 lt 3I0 235 5 amp MOTHA W 3ldN0d ON3 YHINYId mama 6 OOD HOUMS IHH WNOlLdO SNY 3002 40109 3AV33 3000 February 2009 20 Tyler Refrigeration Niles Michigan USA Manual Part 10000004
24. d Btuh It may be necessary to make adjustments to compensate for diu m cause the actual Btuh to differ from 3 820 6 050 58 gl e rated Btuh of the cases All liquid line and suction line sizes are inches refrigeration O D Subject to change without notice f horizontal line size is smaller than specified vertical riser size the smaller size may be used for both 13 4 suction riser may be used to reduce pressure drop liquid Correction Factors for Suction Vertical Riser Sizing Table Use Minimum Liquid Temperature Multiply rated BTU by liquid correction factor before using the Suction Vertical Riser Sizing Table liquid Foctor 083 os 100 108 117 128 February 2009 17 www carrier tyler com Refrigeration Liquid Line Sizing Up to 50 equivalent feet 90 F Liquid 2 F Pressure Drop For rated Btuh Up to 100 equivalent feet 90 F Liquid 2 F Pressure Drop For rated Btuh ASFG T BB ASNGN T ABNG T BB R 404a Line Sizing Tables for Tyler 5 Medium Temp Merchandisers 28 Evap Temp Up to 150 equivalent feet 90 F Liquid 2 F Pressure Drop For rated Btuh From To liquidline From To Liguidtine From To liquid Line 0 o ida of 12601 5490 11300 5 16 30100 3 8 2000 16500
25. en Food Ice Cream Medium Temp Note These set points may require optimization for your applications to prevent short cycling or delayed cycling February 2009 15 www carrier tyler com Refrigeration A5FG T BB ASNGN T ASNG T BB R 404a Line Sizing Tables for Tyler A5 Frozen Foods Merchandisers 7 Evap Temp Liquid Line Sizing Electric Defrosi Up to 50 equivalent feet Up to 100 equivalent feet Up to 150 equivalent feet Up to 200 equivalent feet 90 F Liquid 2 F Pressure Drop 90 F Liquid 2 F Pressure Drop 90 F Liquid 2 F Pressure Drop 90 F Liquid 2 F Pressure Drop For rated Btuh For rated Btuh For rated Btuh ___ z30 0 497 _ aso ue of 337 Uf 1030 1870 4430 83 200 _58 For hot gas defrost use a liquid line one size larger than shown For 1 F pressure drop multiply rated Btuh by 1 45 before using the Liquid Line Sizing Table Larger liquid line size may be used such as 3 8 if preferred 13 4 liquid line may be used to reduce cost c Liquid Correction Factors for Liquid Line Sizing Table Use Maximum Liquid Temperature For maximum liquid temperatures other than 90 F multiply rated BTU by liquid correction factor before using the Liquid Line Sizing Table CorrectionFactor 096 095 095 095 097 1 105 Suction Horizontal Line Sizing Up to
26. equipped with electric defrost Figure 18 shows the typical wiring diagram for a freezer equipped with hot gas defrost and Figure 19 shows a medium temperature cooler with time off defrosting Each case ships with a wiring diagram located in the electric box that shows the exact wiring of the case There are many control options available for multiple case defrost systems Wiring diagrams and instructions can be obtained by contacting the Tyler Refrigeration Service Department External wiring should be sized according to the amperage rating stamped on the serial plate The serial plate is located on the ceiling inside the left hand door Typical electrical values are shown on specification sheets for each of these cases in the bag attached to the case or are available at the Tyler Refrigeration website www carrier tyler com All internal wiring has been completed at the factory Cases with standard wiring have their control wires terminated in the electrical compartment located behind the kickplate at the right end of the case A terminal block has been used to simplify field connections An electrical box is mounted on the top of the unit for cases equipped with the optional top mount electrical connections All wiring must comply with the National Electrical Code and all local codes After installation of the equipment correct operation of the electrical circuits and controls and defrost operation and termination should be verified Al
27. er day is recom mended Time of day Nighttime defrosting is preferred to avoid periods of shopping or stocking Duration Electric defrost does not require any drip time because Tyler provides a built in fan delay thermostat Electric defrost for low temp and off cycle for medium temp Fail safe Times x ice Gream Frozen Food Wed Temp At ASHRAE test conditions and 208 volt defrost heater operation the typical observed ASFGN 30 door defrost durations are 28 minutes for ice cream and 19 minutes for frozen food At the same conditions the typical observed ASFGNT 30 door defrost durations are 39 minutes for ice cream and 26 minutes for frozen food ASFGN T E Crown End defrost durations are 43 minutes February 2009 Manual Part 10000004 Preferred Termination For optimal performance Tyler recommends a temperature terminated defrost using a defrost termination thermostat or probe sensing the coil temperature A5FGN A5FGNT door case has the probe located at the right hand side of the coil in the center of the bottom row of tubes The ASFGNE and A5FGNTE case has the probe located at the right hand side of the coil in the top row of tubes Tyler provides a defrost termination thermostat as standard unless a control system defrost probe is requested The defrost termination temperature is 50 F Temperature termination based on coil temperature allows the length of defrost to vary depending on how much fr
28. ers including models ASFGN ASFGNT ASFGBB ASFGTBB ASFGNE ASFGNTE ASNGNE ASNGNTE ASNGN ASNGNT ASNGBB ASNGTBB The use of the name merchandiser and case are used interchangeably and have the same meaning Also the term freezer refers to the ASF series of frozen glass door merchandisers while the term cooler represents the A5N medium temperature versions Tyler has made every effort to provide refrigeration equipment of the highest quality using state of the art components Merchandisers are built with the thickest insulation in the industry with a high efficiency evapo rator coil Potential case features include Brushless D C electronic motors or PSC or shaded pole fan motors T8 fluorescent lamps LED lighting Standard energy low energy or no energy doors These display cases were designed and tested using the following industry standards ASHRAE Standard 72 2005 Method of Testing Commercial Refrigerators and Freezers ANSI Approved ARI 1200 Performance Rating of Commercial Refrigerated Display Merchandisers and Storage Cabinets ANSI Approved UL 471 Commercial Refrigerators and Freezers ANSI Approved equipment certified by E TL NSF 7 Commercial Refrigerators and Freezers ANSI Approved equipment certified by NSF ASHRAE 72 2005 specifies the test conditions for the equipment It includes the ambient conditions of 75 F dry bulb and 55 RH It also specifies the do
29. gure 15 Discharge air temperature probes for electronic case controllers may be installed in many different customer specified locations including but not limited to honey comb ceiling pocket cover rear wall and return air February 2009 Manual Part 10000004 Leak Check gt Evacuation gt Charging After all of the refrigeration piping and system components have been assembled the entire system must be pressur ized and checked for leaks When the system is leak free evacuate with a deep vacuum pump Triple evacuation to a minimum of 500 microns and nitrogen sweep is recommended After the system has been thoroughly evacuated of all moisture and non condensable gas charge the system with the proper refrigerant using hi side low side charging techniques FIXED INDICATOR 2 YELLOW ga BER BLUE JO4INO9 NN3d O DIFFERENTIAL SLIDER EXAMPLE TO OPERATE A FREEZER 0 5 SET THE DIAL TO 0 AND THE SLIDER TO A 5 DIFFERENTIAL RED YELLOW CLOSE ON RISE OPEN ON DROP Figure 14 45 degree elbow suction line RED BLUE CLOSE ON DROP OPEN ON RISE Figure 15 Temperature control Figure 16 Temperature Settings for R404a Refrigerant Condensing Unit Discharge Air Temperature Return Air Temperature Evaporator Cut in Cut out Cut in Cut out Cut in Cut out Application Temp F psig psig F F CF F Froz
30. id Temperature For maximum liquid temperatures other than 90 F multiply rated BTU by liquid correction factor before using the Liquid Line Sizing Table 1 05 tavia Correction Factor 0 95 094 094 095 097 100 Suction Horizontal Line Sizing Up to 50 equivalent feet Up to 100 equivalent feet Up to 150 equivalent feet Up to 200 equivalent feet 90 F Liquid 2 F Pressure Drop 90 F Liquid 2 F Pressure Drop 90 F Liquid 2 F Pressure Drop 90 F Liquid 2 F Pressure Drop For rated Btuh For rated Btuh For rated Btuh For rated Btuh Horizontal ___ o 38 o 1420 3 6 Tor 1 F pressure drop multiply rated BTU by 1 44 before using the Suction Horizontal Line Sizing Table Larger suction horizontal line size may be used if preferred 13 4 horizontal suction line may be used to reduce cost O oo 3 o 770 3 Liquid Correction Factors for Suction Horizontal Line Sizing Table Use Maximum Liquid Temperature For maximum liquid temperatures other than 90 F multiply rated BTU by liquid correction factor before using the Liquid Line Sizing Table liquid ConectionFactor 072 0 oso 086 092 100 110 122 138 Suction Vertical Riser Sizing Maximum Allowable Riser Size For Adequate Oil Return 70 F Minimum Liquid Temperature using 0 35 PSI Per 100 Feet per 2006 ASHRAE Handbook Refrigeration For rate
31. ient time 20 to 30 minutes for the valve to settle before making any further adjustments Replace the valve stem cap after the valve super heat has been adjusted BE CERTAIN THE VALVE STEM CAP IS WIPED DRY FIRST CAUTION DISCONNECT POWER TO THE CASE BEFORE SERVICING ELECTRICAL COMPONENTS TO AVOID PERSONAL INJURY AND DAMAGE TO THE UNIT Defrost Heater Element On 30 door cases one heater is located on the front of the coil and one on the rear of the coil On wraparound cases the heater element is located under the coil The electric wire leads are connected in the junction box behind the front kick rail Heater Element Removal Defrost heaters for the electric defrost cases are located on the front and rear face of the coil The front heater is located approximately 1 off the floor and the rear heater is approximately 2 off the floor The heater is secured to the coil by a number of stainless steel heater retaining clips Heaters are fastened to the floor on the right hand side of the coil Remove fasteners holding the heater to the floor The front heater can be removed by pulling the retaining clip away from the coil and sliding the heater out from under the clip The rear heater can be removed by raising the heater retaining clip Raise each clip about 2 inches above the coil working from right to left on the coil Repeat this process until the retaining clips are free of the coil The heater will slide up with the reta
32. ining clip To remove the defrost element for the ASFGN T E Crown End remove the coil covers Lift the inner coil cover upward and tip the fan housing forward This will expose the coil Remove both fan housing end brackets and center coil supports then slide out the complete heater pan assembly from under the coil Slowly lift the heater pan assembly between the coil and fan housing turning it on edge while lifting Heaters are installed in the reverse order of how they were removed Evaporator Fans Air is circulated throughout the case with 115 volt low temperature fan motors These motors must be Tyler Refrigeration Niles Michigan USA ASFG T BB ASNGN T ASNG T BB operating at all times except during defrosting low temperature only Fan motors should be replaced with motors having the same characteristics including type physical size wattage and RPM Air Curtain Velocities Air curtain velocity for freezers and coolers are affected by stocking levels coil frost loads temperature and fan condition The measurement method also affects the reading Tyler recommends using an Alnor Velometer Jr set to the 0 to 800 fom range Air velocity should be measured at the back edge of the discharge air honey comb at the center of the middle door in the case other doors have slightly lower velocity A typical velocity reading is 425 feet per minute FPM in a fully packed freezer 395 FPM for medium temperat
33. ip to each kickplate support Locate them over the slot in the kickplate support 2 Attach a kickplate splice to the right side of the front kickplate using the 34 screw in the lower hole 3 Lean the kickplate against the kickplate support 4 Place the bumper assembly on the case by hanging the bumper support onto the bumper hanger The kickplate should be located behind the bumper support 5 Install the black 172 screw through the bumper front kickplate kickplate splice and into the Tinnerman clip A scratch awl or similar tool can be used to line up the holes 6 Follow these steps to install the next bumper in the END KICKPLATE KICKPLATE LIP BUMPER END Figure 11A Installing the bumper and kickplate Tyler Refrigeration Niles Michigan USA February 2009 Manual Part 10000004 lineup A bumper support splice provided should be installed between the two cases Center the splice over the gap using self tapping screws provided Attach the upper portion of the splice using the predrilled holes in the splice Then with two more screws attach the lower half Bumper Hanger Bumper Support Cart Bumper Kickplate Support Kickplate floor Figure 11B Bumper and Kickplate Configuration Under Case Return Airflow To assemble the bumper for under case return airflow a spacer provided must be inserted between the bumper support and kick
34. l operating voltages and amperages should be measured and recorded Optional Electrical Wiring Master Satellite Connection The master satellite connection system allows one condensing unit to be connected to multiple cases Figures 20 and 21 shows typical diagrams for this system All of the display case controls including the disconnect switch time clock temperature control and defrost temperature control are installed behind the kick plate and pre wired The liquid line solenoid is pre wired but February 2009 Manual Part 10000004 is not installed in the liquid line The power to operate each display case is connected at each cases disconnect switch The power to operate the condensing unit is connected at the condensing unit There are no interconnecting wires between the condensing unit and display case There are intercon necting wires that need to be connected between the cases The liquid line solenoid valve needs to be installed in the common liquid line before the liquid is distributed to the cases The controls operate the system as a pump down defrost When the display case begins defrost the liquid line solenoid valve fans and anti sweat heaters are de energized The defrost heaters are energized The compressor continues to run and pumps down the coil The master case contains the time clock Intercon necting case wiring allows the master case to control the satellite cases When defrost is initiated
35. m Liquid Temperature It may be necessary to make adjustments to compensate for special situations which cause the actual Btuh to differ from the rated Btuh of the cases All liquid line and suction line sizes are inches refrigeration O D Subject to change without notice Multiply rated BTU by liquid correction factor before using the Suction Vertical Riser Sizing Table Coreston Factor os os ow iw re ww Tyler Refrigeration Niles Michigan USA 16 February 2009 Manual Part 10000004 R 404a Line Sizing Tables for Tyler A5 Ice Cream Merchandisers 16 Evap Temp Liquid Line Sizing Electric Defrost Up to 50 equivalent feet Up to 100 equivalent feet 90 F Liquid 2 F Pressure Drop 90 F Liquid 2 F Pressure Drop For rated Btuh For rated Btuh Up to 150 equivalent feet 90 F Liquid 2 F Pressure Drop For rated Btuh Up to 200 equivalent feet 90 F Liquid 2 F Pressure Drop For rated Btuh of 7090 of v4 ve of azo 14 5 8 For hot gas defrost use a liquid line one size larger than shown For 1 F pressure drop multiply rated Btuh by 1 45 before using the Liquid Line Sizing Table Larger liquid line size may be used such as 3 8 if preferred 13 4 liquid line may be used to reduce cost liquid Correction Factors for Liquid Line Sizing Table Use Maximum Liqu
36. mpartment However it may be installed near the compressor for easy maintenance Install moisture indicating sight glass at the outlet end of the drier A low pressure or temperature control can be used to control case temperature The control should be Tyler Refrigeration Niles Michigan USA ASFG T BB ASNGN T ASNG T BB 11 in area with foam after installation Fill in area with oan after installation Figure 13 Penetration sealing selected with adequate contact capacity for the switching load In rack systems an evaporator pressure regulating valve may be used to control the evaporating tempera ture The settings See Figure 16 are approximate due to variations in gauge accuracy differences in compressor efficiency line pressure drop and super heat settings Before making adjustments for store or stocking condi tions make sure the super heat is set between 6 F and 10 F Close coupled systems typically run at the higher end of this range to avoid flood back Temperature Control Adjustment When factory installed the temperature control is located toward the right end of the case behind the black kick plate The sensing bulb is located under the coil cover on the back side of the fan shroud It can be wired in series with the low pressure L P control It can also be used in a pump down system by wiring it in series with the liquid solenoid valve A thermostat is shown in Fi
37. on to assume for it any other obligation or liability in connection with said equipment or any part thereof IN ADDITION TO THE FOREGOING THIS WARRANTY SHALL NOT APPLY To the Condensing Unit used with said Equipment unless same was furnished by TYLER When this Equipment or any part thereof is subjected to accident alteration abuse misuse tampering operation on low or improper voltages or is put to a use other than normally recommended by TYLER To any product or part which shall have been repaired altered or assembled in any way by other than TYLER TYLER S supplier or TYLER S installation contractor which in the sole judgment of TYLER affects the performance stability or purpose for which it was manufactured When this Equipment or any part thereof is damaged by transportation fire flood act of God or when the original model and serial number plate has been altered defaced or removed When operation of this equipment is impaired due to improper drain installation To any product or parts sold on an AS IS basis Toward payment of any removal or installation charges of warranted parts When this Warranty Certificate has been altered in any way This Warranty is made to the original purchaser only and is not transferable This One Year Warranty shall apply only within the boundaries of the continental United States and Canada and Such other areas as are covered by specific agreement between the authorized Distributor and TYLER
38. onal hat channels to raise the case height place them under each pair of bases Figure 3 Three and four door hat channels will be angled slightly to support the front and rear bases 6 Place the required number of shims under each base or optional hat channel at each joint front and back to equal the highest point The ASFGN T and ASNGN T 2 through 5 door merchandisers have segmented bases mounted at the ends and under the center section of the case Back to Back versions have full bases that run from front to back and are located at the ends and under the center sections of the case The ASFGN T E and ASNGN T E crown ends have segmented bases that run front to back 7 Tape all shims in place Figure 2 8 Correctly orient the shims under the base or channel Both corners of the base must be supported by shims to prevent the base from buckling Figure 4 9 Place additional support shims under all other bases or hat channels Figures 5A 5B amp 5C 10 If you ve purchased seismic restraints specific instructions for attaching those restraints are included in your document package These instructions should be read and followed before the line up is assembled February 2009 Manual Part 10000004 Shim Placement Ge Figure 2 Leveling cases prior to joining Hat section Figure 3 Typical hat channel locations www carrier tyler com Installation
39. or opening requirements for the performance test Doors are opened six times in one hour for 6 seconds The door opening test period is for 8 hours during one 24 hour performance test As an example a 5 door case will have 240 door openings during one 24 hour test February 2009 Manual Part 10000004 Consult the factory if your store exceeds these test conditions Delivery Inspection These display cases were carefully tested in the factory inspected and properly packed to ensure delivery in the best possible condition The equipment should be uncrated and checked for damage immediately upon delivery DAMAGE MUST BE NOTED AT TIME OF DELIVERY AND ALL CLAIMS FOR DAMAGES MUST BE FILED WITH THE TRANSPORTATION COMPANY NOT WITH TYLER The carrier will supply necessary report and claim forms Packaging Each case within a lineup is labeled to identify the lineup and joint Labels use a number and letter designation Figure 1 The number indicates the lineup The letter indicates the case joint Case joints begin with the letter A at the left most joint in the lineup when looking at the front of the lineup The joint for two cases has the same number letter designation Back to back cases have a unique designation The leftmost joint in the lineup when looking at the front of the case is labeled 1 A The joint on the back of the case is 1 A1 Insulated dividers are factory installed to separate low and medium temperature cases The
40. ost is on the coil and the defrost heater voltage Coil frost is a function of shopping patterns stocking habits general door maintenance and ambient tempera ture and humidity More frost requires a longer defrost A lower defrost heater voltage extends the defrost period Alternate Termination If it is not possible to terminate the defrost cycle based on a defrost termination thermostat or probe sensing the temperature at the coil and the only available temperature probe is sensing the discharge air temperature then the termination tempera ture should be set to 65 F zero minutes drip time Tyler electric defrost freezers are delivered with the defrost thermostat open on rise contacts wired in series with the defrost heaters Unless the installer rewires the defrost thermostat the defrost heater is de energized when defrosting is complete Tyler electric defrost freezers are also equipped with a high limit snap disc thermostat that de energizes the defrost heater if the coil temperature exceeds 80 F to provide a secondary safety termination Hot Gas Defrost Frequency One hot gas defrost per day is recom mended Time of day Nighttime defrosting is preferred to avoid periods of shopping or stocking Duration Hot gas defrost requires a 5 minute drip time www carrier tyler com Defrosting Hot Gas Defrost Fail safe Times lee Cream Frozen Food Hot Gas 1 day at 30 mins 1 day at 30 mins 5 min drip 5 min
41. plate Figure 12 The spacer is held in place with the standard black assembly screw used to Bumper attach the bumper One 3 8 spacer is required at each Assembly screw location 2 spacers on a 2 door 3 spacers on a 3 door etc 1 To ease installation hook the bumper to the case and position the kickplate Then pull the bottom edge of the bumper forward hold the spacer in place and then insert the assembly screw through the bumper gap allows airflow 72272 spacer kickplate bumper bracket and into the Tinnerman clip Kickplate 2 With the spacers in place air will be allowed to flow between the bumper and kickplate and then under neath the case The target airflow rate under the case should be 50 cfm door floor Figure 12 Bumper Under case air flow February 2009 13 www carrier tyler com REFRIGERATION General Unless otherwise specified the liquid and suction connections are made inside the case under the evapo rator fan coil cover Refrigerant piping may enter the case through the front left bottom the left rear bottom of case or the left rear top of case The copper pipe should not touch or rub on the edges of the sheet metal After connections have been made the refrigeration access hole in the case must be sealed completely with aerosol dispensed Urethane insulation or equivalent i e Great Stuff Penetrations made in sheet metal baffles should also be sealed Figure 13 Refrigeran
42. re responsible for correct line sizing for effective gas defrost and liquid return from the freezers Sizing and component selection depend on the type of defrost size and location of high side refrigeration system Tyler freezers equipped for gas defrost consist of a side port distributor and a TXV check valve for coil defrost and a suction line check valve to bypass hot gas to the serpentine coil The serpentine coil is attached to the bottom of the pan to ensure pan and drain defrost Tyler Refrigeration Niles Michigan USA ASFG T BB ASNGN T ASNG T BB The timer starts the gas defrost cycle by energizing a solenoid reversing valve or directional valve The gas is injected from the source into the suction line of the evaporator to be defrosted The gas flows into the serpentine coil attached to the floor of the case and then into the evaporator Condensed liquid leaves the evapo rator through the side port distributor through a check valve into the liquid line Figure 23 General Notes The refrigeration technician should recheck coil condition after one week of retail operations to be certain that the frequency and duration of defrost is adequate for the particular store and locality For example if defrost voltage is below 200 volts additional fail safe time may be required When using time terminated defrost defrost termi nation thermostat should be wired in series with the defrost heater
43. rection Factors for Suction Horizontal Line Sizing Table Use Maximum Liquid Temperature For maximum liquid temperatures other than 90 F multiply rated Bluh by liquid correction factor before using Ihe Suction Horizontal Line Sizing Table Suction Vertical Riser Sizing Maximum Allowable Riser Size For Adequate Oil Return 70 F Minimum Liquid Temperature using 0 35 PSI Per 100 Feet per 2006 ASHRAE Handbook Refrigeration For rated Btuh To Vertical It may be necessary to make adjustments to compensate for special situations which cause the actual Btuh to differ from the rated Btuh of the cases 3960 6 590 All liquid line and suction line sizes are inches refrigeration O D 10 500 Subject to change without notice 10 510 21 310 37 300 1 1 8 37 310 If horizontal line size is smaller than specified vertical riser size the smaller size may be used for both 3 4 suction riser may be used to reduce pressure drop Liquid Correction Factors for Suction Vertical Riser Sizing Table Use Minimum Liquid Temperature Multiply rated Btuh by liquid correction factor before using the Suction Vertical Riser Sizing Table Conecton Factor 088 oa os 10 12 18 February 2009 ELECTRICAL CAUTION DISCONNECT POWER TO THE CASE BEFORE SERVICING ELECTRICAL COMPONENTS TO AVOID PERSONAL INJURY AND DAMAGE TO THE UNIT Figure 17 shows the typical wiring diagram for a freezer
44. s is applicable to both master and satellite cases The Temperature Control and Solenoid from the master to the satellite wires to the respective terminal blocks A38 0610 59 ON OMA SYOLONANOO AINO ISN February 2009 Diagram Wirin ff Defrost A5NGN T ASNG T BB ime o T Figure 19 ag vost ALIHM uolvdodvA 9 39vNOIS OL TWNOILdO Alddns 39vNOIS 39vNOIS TVNOILdO SdiNve HOLIMS 1VO14 E dd 31VSN3QNO9 XOSACNYH POOR C NS 379193999 XANA ji TWNOILdO 98 9 GL OL 31IHM Z 8101 TVOINL0373 INOLLOG NI G31N0ON NONSV MOVIE 9 aL OL vOv 31IHM 81 OL 3LIHM EE LOL Salve OS AM 40 vop O34 SdINvee 8 Y ana AlddNS WNOILdO aasn si NO N3dO 30019 GION310S 8519 35070 ON dl 3NI10In0 1 MOTI3A Q3H 6920 69 VI1N321344IG 9 TWNOILdO V 1 evEOL TWIG 135 3SN3S OL TIDHINOO 1 3IVSN3QNOO G9Z0 9 ZNLSL W4 HOOT WNOILdO TVNOILdO HOLIMS 0 0 amp 9 XO8O31383 vXv IVNOLLdO NOS VOTL3LIHM uH NYS AGILE SNOILOANNOO YAWOLSND uade LINGNOS ASVO NYHL SS3493 S1N3S3ud38 xog 9919 GALNNOW dO TVNOI1dO 0809 018 SNY3 M 3LIHV 39NY30 4000 M 3LIHW Q
45. se and door frame to be joined Apply to only one case joint to avoid excessive amounts of Butyl sealant that would squeeze out of the joint Sealant is not applied to the structural steel end frames After cases are joined caulk the top and back exterior seams if possible at this time 1 4 3 8 TYPICAL euin ce 2 When joining ends of cases caulk sealant should be SCALE 1 5 applied in the same like manner for joints If 4 shipping blocks are installed to inside of base ends remove them to comply with NSF Figure 8 Caulking cases to be joined Tyler Refrigeration Niles Michigan USA 10 February 2009 CAULK HERES February 2009 CAULK HERE Manual Part 10000004 SURFACE TEMPERATURE SHOULD BE ABOVE 40 F AND FREE OF FROST Apply non porous non absorbent good quality Silicon caulk sealant or Manus Bond 75 AM after end panel is joined to case or when second case is joined with first case Apply solid caulk sealant bead to areas shown to meet sealant requirements for NSF approved installations Apply small beads of sealant smoothly but do not thin or feather excessively because it may affect adhesion NOTE Field caulk is applied continuously Figure does not show areas excluded for coolers h E REMOVE END PROTECTION PLATE LOCATED BELOW END ON OUTSIDE OF CA
46. se superheat Turn the valve stem clockwise to increase superheat Measure the suction line temperature at the expansion valve sensing bulb and compare it to the suction temperature corre sponding to the saturated pressure Make sure that line pressure drop is taken into account con t on p 30 February 2009 Manual Part 10000004 Case Lineup Combinations and Length Chart Lineup Case Case Case Case w o ends in w o ends ft amp in 3 os sen 3 i Les zn _ r t8 _ 5 1 pos Aem s 2 ssn i r mm x J 2 x j m r r zes 758355 2 xem 2566340 x r 2 s arzen 390 1 3s 2 42975 35ft9 3 4in 46013 38ft4 1 Bin 43 ft 6 3 8 in N 48 ft 7 1 8 in 51 ft 1 1 2 in 23 ft 9 3 8 in 56 ft 3 3 4 in 58 ft 10 1 8 in mes __ ensem x Ts es oom L3 p oes gt T s 3 wes strum a L T gt s nim L9 E ces ss 769mm 5 pss tees pss ene x s 2s semen x s sinn x ems swssen ttss sern _ _ s sss wire s ez sruztgn pcr E pe 1 196 63 99 ft 8 5 8 in 1 227 00 102 ft 3 in February 2009 29 www carrier tyler com User Information amp Service Turn the valve stem only 1 4 turn at a time and allow suffic
47. t Piping Correct refrigeration line sizing and installation is essen tial for proper system operation see wiring diagrams on pages 16 18 A P trap must be installed at the bottom of all vertical suction risers Figure 14 Various risers are available as a factory installed option When two or more case sections are connected to one compressor the main liquid and suction line for the group should be run through the cases and be brought out through the refrigeration outlet of one case only The factory recommends one riser per circuit system for hot gas defrost when using top back refrigeration exit Circuit risers are available as a factory installed option Insulate the tubing for at least 20 feet from the case outlet On 30 wide door cases with suction lines over 1 3 8 diameter a P trap made with 45 elbows is required Figure 14 A piping chase in front of the fan shroud allows the refrigerant lines to be run through the right or left end frame Piping should not be placed near the electric defrost heaters The defrost heaters on the 30 door cases will grow one inch to the left of the coil when they reach operating temperature The compressor should be installed as close as possible to the cases to reduce pressure drop Install a shallow trap at the bottom of the riser The suction and liquid lines may be taped together to form an external heat exchanger The best location for the liquid line drier is inside the freezing co
48. t and L for left for proper orientation when installing shelves Shelves Tyler manufactures many different styles of shelves baskets and product stops The shelves and baskets are placed on the shelf brackets Some of the baskets may be reversed and used as a typical shelf Loading the Case The case may be loaded with merchandise after it has been operated for at least 24 hours with correct case temperature and proper control operation While loading the shelves leave an air space between the top of the merchandise and the shelf above it so the customer can remove the merchandise The air space allows an air curtain on top of the product Product should not extend beyond the front of the shelves or block the return air grill The typical Cantilever shelf load is 170 Ibs with maximum load of 235 Ibs Note some deflection may occur under higher loads Light Switch A light switch is located inside the right hand door Turn the light switch off during the initial case temperature pull Tyler Refrigeration Niles Michigan USA ASFG T BB ASNGN T ASNG T BB down to prevent the case lights from cycling off and on Always turn the light switch off when replacing lamps Case Thermometer Cases are typically shipped with 2 thermometers One thermometer is factory mounted in the discharge air stream The second thermometer is shipped loose and should be installed in the warmest product location Specifi
49. ure coolers after the freezer cooler has defrosted and is pulled down to operating temperature A typical velocity reading for tall cases is 400 FPM for freezers and 370 FPM for coolers under the same conditions Air curtain velocity in a partially packed freezer is significantly lower because more air exits the back wall duct holes Fan Removal 1 Turn off power to fans Remove coil cover 2 Unplug fan from fan power supply plug located on the front face of the fan housing 3 Remove the fan blade nut and fan blade 4 Remove the two mounting bolts and remove the fan assembly from the fan housing 5 Remove the three fan motor mounting screws from the back of the fan motor 6 Reverse steps 1 5 to install Ballasts for ASF N GN T E Crown Ends Most Tyler case ballasts are located in the door mullion Ballasts for the Crown Ends are located behind the kickplate Fluorescent Lighting T8 lighting systems use a lens to direct light output evenly across the shelves Turn off power before servicing the lamps The lens must be removed to access the lamp The lens must be replaced after servicing for proper operation Detailed information is contained in the door instruction booklet February 2009 Front Edge Trim Replacement The metal front edge trim is designed as a removeable protective piece that can help protect the end panel from receiving direct damage In the event of damage the edge trim can be removed and a repl
50. ven pressure to the trim as you work your way down to ensure a proper seal with the tape E Reinstall the J strip with the screws and apply a new bead of clear silicone to seal the J strip to the edge trim www carrier tyler com ASFG T BB ASNGN T ASNG T BB REVISION LOG This log sheet is intended to track both major and minor revisions to this manual and to describe what the nature of the revision is Revision identification is located in the lower right corner of the cover page Major revisions are lettered alphabetically dated accordingly and require reprinting for inclusion with the product at shipment Minor revisions are denoted after the major revision with a period followed by a sequen tial number and do not require a printed update All manuals with any revision changes will be available in electronic PDF format on the Tyler Refrigeration website Content changes that determine the type of revisions are decided on a case by case basis by Tyler internal management REVISION TYPE DATE MAJOR MINOR DESCRIPTION RESULTS Tyler Refrigeration Niles Michigan USA 32 February 2009 TYLER REFRIGERATION A division of Carrier Commercial Refrigeration Inc Year Equipment Warranty TYLER REFRIGERATION a division of Carrier Commercial Refrigeration Inc hereinafter referred to as TYLER warrants to the original purchaser of the Equipment with the Model and Serial Number sho
51. wn above that said Equipment including all parts thereof is free from defects in material and workmanship TYLER S sole obligation under this warranty shall be limited to repairing or exchanging any part or parts f o b factory which may prove defective within one year from date of original installation not to exceed one year and ninety days from date of shipment from the factory and which TYLER S examination discloses to be thus defective All defective parts must be returned to the Tyler factory of origin within thirty 30 days under the terms of this warranty As to products or parts not manufactured by Tyler the warranty if any of the respective manufacturer of any items of new equipment and parts is incorporated into this warranty by reference THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED AND DOES NOT INCLUDE ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TYLER SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL INCIDENTAL OR SPECIAL DAMAGES INCLUDING BUT NOT LIMITED TO LOSS OF FOOD PRODUCTS LOSS OF PROFITS LOSS OF REFRIGERANT OR INJURY TO PERSON OR PROPERTY CAUSED BY DEFECTIVE EQUIPMENT MATERIAL OR PARTS TYLER S SOLE LIABILITY SHALL BE LIMITED TO THE REPAIR OR REPLACEMENT OF ANY DEFECTIVE PART OR PARTS AS ABOVE STATED AND SHALL NOT INCLUDE LABOR OR OTHER EXPENSES INCURRED IN THE REMOVAL AND OR INSTALLATION OF DEFECTIVE PARTS OR EQUIPMENT TYLER neither assumes nor authorizes any pers
52. y are also used to join different case models Factory installed Plexi glass dividers separate refrigeration circuits The first case in the lineup with it s right side labeled A has a packet attached to the door handle that contains the manual special instructions for installing ordered options and touch up paint if the cases are custom painted Every other case in the lineup has a packet attached to the door that contains the specific informa tion for that case The packing slip is taped to each case s right hand door Bumpers and kickplates are shipped on top of the case Shelves for the case are tie wrapped and blocked into the individual cases Other accessories like drain traps drain pans condensate evaporating pans and hat channels are shipped in the case that require the parts Materials for joining cases include caulk joining bolts splices and T or J strips These parts are supplied in cases that have a left side insulated divider or no left end The parts are bagged and taped to the coil covers The T and J strips are tied to the shelves www carrier tyler com Introduction ASFGN T ASFG T BB ASNGN T ASNG T BB Location and merchandisers set back to back should be positioned to allow a minimum of 2 4 of space behind the back of the unit s This will allow necessary air to circulate behind the display case s Higher humidity Be certain that the floor under the installation is of suffi stores with minimal
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