Service Manual 7/00 - Whaley Food Service
Contents
1. HAR eee 15 95 COMPONENT TEST PROCEDURE 18 96 AIR HEATER PEATE HEATER RTD RESISTANCE 21 97 WIRING DIACRAM 22 APPENDIX A PROTOTYPE UNITS BUILT BEFORE JUNE 15 1998 23 Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline 1 800 24 FRYER 819 5659 7 00 THIS SERVICE MANUAL SUPERCEDES ALL PREVIOUS EDITIONS OF THE HLZ SERVICE MANUAL FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE DO NOT OPERATE OR SERVICE THE HLZ SERIES WITHOUT FIRST READING THIS MANUAL DO NOT OPERATE THE HLZ SERIES UNLESS IT HAS BEEN PROPERLY INSTALLED AND CHECKED DO NOT OPERATE THE HLZ SERIES UNLESS ALL SERVICE AND ACCESS PANELS ARE IN PLACE AND PROPERLY SECURED DO NOT ATTEMPT TO REPAIR OR REPLACE ANY COMPONENT OF THE HLZ SERIES UNLESS ALL POWER TO THE UNIT HAS BEEN DISCONNECTED USE CAUTION WHEN SETTING UP OPERATING OR CLEANING THE HEATED LANDING ZONE TO AVOID CONTACT WITH HEATED SURFACES HAZARD COMMUNICATION STANDARD HCS THE PROCEDURES IN THIS MANUAL INCLUDE THE USE OF CHEMICAL PRODUCTS THESE CHEMICAL PRODUCTS WILL BE PRINTED IN BOLD FACE FOLLOWED BY THE ABBREVIATION HCS IN THE TEXT PORTION OF THE PROCEDURE SEE THE HA2. 1477 128 263 1479 129 264 1481 129 265 1483 130 266 1485 131 267 2 1487 1311 1268 1489 132 269 1491 132 270 1493 133 271 2 1495 _ 133 272 2 1497 134 273 1499 134 274 2 1501 _ 135 275 2 1503 136 276 1505 136 277 2 1507 137 278 1509 1371279 2 1512 138 280 2 1514 _ 138 281 1516 139 282 1518 1391288 1520 140 284 1522 1411286 2 1524 1411112861 1526 1421287 1528 14211 288 1530 143 289 1532 _ 143 290 2 1534 144 2901 1536 144 292 1538 145 1 293 2 1540 146 294 1542 1461 295 1544 1471296 2 1546 1471297 2 1548 1481298 1550 _ 148 299 1552 149 300 1554 149 301 1556 150 302 1558 1511303 1560 1511 1304 1562 1152 1305 1564 Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 21 1 800 24 FRYER WOLLOG JIdNODOWNSHL 341V93N T 039 Say 2 9 9 el REOR Mam ai 3dAL FIdNODOWYSHL ALY Id 206 LHM Olg NiOd 153 a AV 138 LOdAH AV 134 xg JiV id NOlLdO 802 gly div ld p
3. 1068 48 119 1183 79 174 1297 18 65 1070 49 120 1185 79 175 1299 19 66 1072 49 121 1187 80 176 1301 19 67 1074 50 122 1189 81 177 1303 20 68 1076 51 123 1191 81 178 1305 21 69 1078 51 124 1193 82 179 1307 21 70 1080 52 125 1195 82 180 1309 22 71 2 1082 52 126 1197 8311815 1311 22 72 1084 53 127 1199 83 182 1313 23 73 1086 53 128 1201 84 183 1315 28 74 1089 54 129 1204 84 184 1317 24 75 1091 54 130 1206 85 185 1320 24 76 1093 55 131 1208 86 186 1322 25 77 1095 56 132 1210 86 187 1324 26 78 1097 56 133 1212 1871 188 5 1326 26 79 1099 57 134 1214 87 189 1328 271180 1101 57 135 1216 88 190 1330 27 81 1103 58 136 1218 88 191 1332 _28 82 1105 58 137 1220 89 192 1334 28 83 1107 59 138 1222 89 193 1336 29 84 1110 59 139 1224 90 194 1338 29 85 1112 60 140 1226 91 195 1340 _30 86 1114 61 141 1229 91 196 1342 F 92 197 1344 92 198 1346 93 19
4. Printed in the United States Service Hotline Page 10 1 800 24 FRYER 9 3 Procedures 1 Accessing the interior of the HLZ Set up for testing a Disconnect power cord from outlet b Turn unit on its side Remove the five access screws located on the bottom of the unit c Then set the unit back down on its base Place paper towels on the heater plate to protect it from i scratching Remove the cowl assembly and lay the cowl on the heater plate while troubleshooting The cowl assembly is held on by five screws which are removed from the bottom of the unit Air heater Heater plate relay relay Q NIS NES O O c lt 2 gt c Tu CN N r lt Heater Plate Front of HLZ The relays are best replaced by removing the plate that holds them in place Two 5 16 nuts hold the plate in 2 Replacing Solid State Relays place a Avoid miswiring Examine the terminals carefully and take notes to avoid miswiring b Remove the plate holding the relay assembly The nuts holding the relays in place are easier to reach with the assembly out of the unit Remove the two nuts holding relays to plate Apply heat sink compound and install new relay e Reverse this procedure to reinstall Q O Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394
5. closing the store remove all product from the HLZ and perform daily preventive maintenance in accordance with the MRC Turn the computer OFF Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 3 1 800 24 FRYER 6 HLZ MODEL COMPONENT IDENTIFICATION Heated air flows A eater from the air APlate Landing heater blower Zone and heat rises from the heater E MEN plate xs mmm Heater Plate Calibration Socket Air Heater Calibration socket HLZ Computer Power Cord A look at the flow of NC heated air around the HLZ 4 4 e Blower Assembly Heater plate GORLDAUTRAREREREAREE Air Heater Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 4 1 800 24 FRYER 7 HLZ COMPUTER OPERATION AND PROGRAMMING Display Heater Plate Air Heater Temperature _ Temperature Switch 1 1 A Switch 4 Frymaster ON OFF Switch 2 3 Check or i t Program Switch Down Switch 2 Up Switch 3 7 1 Programming Temperature You are able to program the setpoint temperature of both the air heater and the heater plate via the computer interface The heater plate can be
6. computer ON With the computer calling for heat light on a Measure voltage across terminals 3 and 4 of the solid state relay b Correct reading is 10 2 Disconnect power to the unit Disconnect wires from the output side of the solid state relay 6 Reconnect power to the unit 7 With computer calling for heat light on a Measure resistance across the relay output terminals b Correct reading is approximately 1000 ohms 8 Disconnect power to the unit Heconnect wires disconnected in step 5 240V 208V COM Input Side of Transformer 15 Pin Computer Plug Figure 9 10 Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 20 1 800 24 FRYER 9 6 Air Heater Plate Heater RTD Resistance Chart omms F OHMS 31 1 87 2 1116 61 142 1231 1 1 33 1002 31 88 1118 62 143 1283 1 34 1004 32 89 1120 62 144 1285 2 35 1006 32 90 1122 1631 1455 1287 2 1 36 1008 33 91 1124 63 146 1239 3 1 37 101 33 92 1126 6411475 1241 3 1 38 1013 34 98 1128 64 148 1243 4 39 1015 34 94 1131 165 149 1245 41140 1017 3
7. is faulty YES Is plate temp within 15 F of set point Computer has 3 Test B failed Wiring connection 4 STD YES is faulty Operation is normal Computer is faulty Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 17 1 800 24 FRYER DANGER USE EXTREME CARE DURING ELECTRICAL CIRCUIT TESTS LIVE CIRCUITS WILL BE EXPOSED 9 5 Component Test Procedures o O 2 a Remove one wire from each side of transformer b Measure each side for resistance C 2 240VAC HLZ series line side 235 10 ohms 3 208VAC and 240VAC HLZ series load side 1 1 0 2 ohms 12VAC side Plug HLZ in Check for 208VAC or 240VAC across the input line terminals of the transformer Test for approximately 14VAC across the output load terminals of the transformer If 208 240VAC is applied and output voltage is less than the transformer is defective TEST B COMPUTER Input Power Input Power 1 Set up HLZ series for testing per 9 3 1 Plug HLZ in 3 With connector unplugged check for approximately 14 VAC between pins 1 and 3 on the 15 pi See figure 9 10 page 20 D If voltage is low or missing check transformer and wiring Output Power Plug connector into comp
8. set between 140 F to 180 F the factory default is set to the McDonald s standard of 160 The air heater can be set between 170 to 240 the factory default is set to the McDonald s standard of 220 If the factory default temperature settings are acceptable skip to Section 7 20 Page 6 Ensure that the HLZ computer is in the OFF position nothing in the display Press the check switch and enter the code 1 2 3 3 The numerals in the upper right hand corner represent the key number NF 1 2 3 3 Press then Hi Di 1j in order The display will read SET and the LEDs on both the Heater Plate Switch 1 and the Air Heater owitch 4 will light Press the switch that corresponds to the heater you wish to program Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 5 1 800 24 FRYER Display reads SET and 3 light to program the heater plate or to program the air heater Press the Up and Down Arrow Keys to achieve the desired set point temperature then press the Check Switch once Both heater LEDs will again light Press G or to get desired setpoint then press to lock the temperature in If you are finished with programming both heaters press the Check Switch again to store the programmed setpoints and exit the programming mode OR to change the setp
9. the plate heater temp switch once to see actual temp Is the plate heater temp within 15 F of programmed temp Heater plate RTD is good Press air heater temp switch once to see actual temp Is the air heater temp within 25 F of programmed temp Yes Computer may be faulty Contact your authorized Frymaster servicer Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 FAX 318 862 2394 Printed in the United States No 318 865 1711 The HLZ has been powered up and has been running for at least 20 minutes The computer display reads Press the plate heater temp switch once to see actual temp Is the plate heater temp within 15 F of programmed temp Plate heater plate heater relay or RTD are faulty Air heater RTD probe is faulty Service Hotline 1 800 24 FRYER Press the air heater temp switch once to see actual temp Is the air heater temp within 25 F of programmed temp No Air heater air heater relay or RTD are faulty Contact your authorized Frymaster servicer air coming out of the cowl Unit has reached setpoint Do you feel hot assembly Yes Air heater is good Press the heater plate temp switch once to read actual temp Press the heater plate temp switch a second time to read setpoint Is the actual te
10. 5 95 1133 166 150 5 1247 5 41 1019 36 96 1135 166 151 1249 6 42 1021 1361197 1137 1671 1525 1251 6 43 1023 37 98 1139 1671 1585 1253 7 L 44 1025 37 99 1141 68 154 1255 7 45 1027 38 100 1143 68 155 1258 8 46 1030 38 101 1145 69 156 1260 8 47 1032 39 102 1147 69 157 1262 9 48 1034 39 103 1149 70 158 1264 9 49 1036 40 104 1151 71 159 1266 10 50 1038 41 105 1154 71 160 1268 pit 51 1040 41 106 1156 72 161 1270 11 52 1042 42111107 1158 72 162 1272 12 53 1044 42 108 1160 73 163 1274 12 54 1046 43 109 1162 73 164 1276 13 55 1049 43 110 1164 174 165 1278 183 56 1051 44 111 1166 74 166 1280 14 57 1053 44 112 1168 175 167 1282 14 1 58 1055 45 113 2 1170 76 1 1685 1284 15 59 1057 46 114 1172 1761 169 5 1287 16 60 1059 46 71115 1 1174 77 170 1289 16 61 1061 47 711161 1176 77 171 1291 17 62 1063 47 71117 1179 78 172 1293 17 63 1065 48 118 1181 78 1 1173 1295 18 64
11. 9 1348 931 1200 1350 94 201 1352 94 202 1354 95 203 1357 204 1359 1205 1361 97 1 206 1363 97 1 207 1365 98 208 1367 98 209 1369 99 210 2 1371 99 211 1373 100 212 1375 1011 1213 1377 1001 214 1379 102 215 1381 1021 1216 1383 103 217 z 1385 103 218 1387 104 219 1389 104 220 1391 105 221 1393 106 222 1395 106 223 1398 107 1224 1400 107 225 1402 108 226 1404 108 227 1406 109 228 1408 109 229 1410 1107230 1412 111 231 2 1414 11 232 1416 1121233 1418 112 234 1420 113 235 1422 1137236 1424 114 7 237 1426 1141238 1428 1151239 1430 1161 1240 1432 1167241 1434 1171242 1436 117 71243 1438 118 244 1440 118 245 1442 119 246 1444 119 247 1447 120 248 1449 121 249 1451 1211250 1453 1221251 1455 c OHMS 122 252 1457 123 253 1459 123 254 1461 124 255 1463 124 256 1465 125 257 1467 126 258 1469 126 259 1471 127 260 1473 127 1 261 1475 128 262
12. LZ to prevent pass through of product Burger bumpers are provided by the KES See figure 1 INSTALL FILTER SCREEN Units built after 10 98 S The filter screen is design to prevent debris from entering the Computer Cowl Assembly and clogging the blower assembly Simply fit the part on to the vent opening of the computer cowl assembly The filter screen will snap into position If equipped with an optional holding screw tighten screw to pull the filter screen snug into position The filter screen snaps into place on rear of the air intake tower If the 240 VAC model is operated on 208 VAC the unit will heat slowly and POWER REQUIREMENTS may not reach maximum temperature 1 the 208 VAC model is operated on 240 Voltage Two models are available 208 VAC and 240 VAC VAC component damage Is probable e Frequency 60 Hz To ensure proper operation the power source should match the voltage on the e Single Phase rating plate on the bottom of the HLZ 20 amp Service e THIS APPLIANCE IS EQUIPPED WITH A GROUNDING PLUG FOR YOUR PROTECTION AGAINST SHOCK 2 See AND HAZARD AND MUST BE PLUGGED INTO Sectio for proper setup and A PROPERLY GROUNDED operation of the computer RECEPTACLE DO NOT CUT OR REMOVE THE GROUNDING PRONG 3 Place product in the HLZ in accordance with the FROM THIS PLUG restaurant s established procedures 1 Plug the unit into the power source 4 CLOSING When
13. MANUFACTURED BY FRYMASTER L L C SHREVEPORT LOUISIANA 71135 1000 SERVICE MANUAL HEATED LANDING ZONE HLZ 18 AND HLZ 22 This equipment chapter is to be inserted in the Equipment Manual P O BOX 51000 PHONE 1 318 865 1711 1 800 24 FRYER 1 WARRANTY STATEMENT wivcscecececccscedtevecscecevecsvasueusacscnssnscesnnsdansensanscansnsdossensenusesastecwteeddncetesitns 1 1 1 WARRANTY PROVISIONS HEATED LANDING ZONE tentent nnns 1 ko PARTO RE TORN 1 13 WARRANTY BC co E 1 2 PARTS ORDERING AND SERVICE INFORMATION 2 3 HEATED LANDING ZONE tinis rini iononanacconnecrclcn aiaa 3 A INSTALLATION SETUP rinisin sana rana ho sanari ibn biennio bond or encor iconos ci ei re 3 9 OPERATION iisistsisanisisintu AMA OK M GO Cent been contaron door a e RN EO NR RE S 3 6 HLZ MODEL COMPONENT IDENTIFICATION eee 4 7 HLZ COMPUTER OPERATION AND PROGRAMMING eene nnns 5 yd PROGRAMMING TEMPERATURE 5 Te 5 HLZ OPERATOR TROUBLESHOOTING is caissscnstadsssssasssacnatnecwstedeensedeensceuiedeeseedeeescectedesswedenescetvees 8 SERVICE INFORMATION isssasstecicsuiiokuniXe mox x e 10 SAL 10 INTERIOR VIEW OF d 10 lecce one ee an ee ee eee 11 OA TROUBLESHOOTING FOV
14. Printed in the United States Service Hotline Page 11 1 800 24 FRYER 3 Opening the Air Delivery Tower a The air thermocouple and air RTD are b located in the air delivery tower To access them the front air delivery assembly must be removed Insert a 5 16 nut driver through the front air delivery assembly access holes and turn the nuts counterclockwise to loosen Do not Components in the rear tower are remove the nuts Grab the bottom accessed by loosening two nuts flange of the front air delivery push one under each end of the upwards and pull towards you Be overhang careful there are two tabs on the front air delivery bottom that must clear the heater plate to allow removal of the front air delivery 4 Replacing Air Thermocouple and Air RTD Probe a Follow procedures in section 9 3 2 to access the Air Delivery tower components b Cut old lead wires close to the faulty air thermocouple Air RTD Probe Air Thermocouple Air RTD Probe Disconnect lead wires at the test plug Leave lead wires in place for now c Remove the faulty Air Thermocouple or Air RTD Probe from the bracket d Install the replacement Air Thermocouple or Air RTD Probe into the bracket e Attach the new lead wires to the old lead wires on the Air Thermocouple or Air RTD Probe on the bracket side of unit Grasp the old leads at the test plug and gently pull the leads towards you f Once the new lead wires have been pul
15. ZARD COMMUNICATION STANDARD HCS MANUAL FOR THE APPROPRIATE MATERIAL SAFETY DATA SHEET S MSDS Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline 1 800 24 FRYER 1 WARRANTY STATEMENT The Frymaster Corporation makes the following limited warranties to the original purchaser only for this equipment and replacement parts WARRANTY PROVISIONS HEATED LANDING ZONE A The Frymaster Corporation warrants all components against defects in material and workmanship for a period of 1 year B All parts with the exception of fuses are warranted for 1 year after installation date of cabinet C If any parts except fuses become defective during the first year after installation date Frymaster will also pay straight time labor costs to replace the part plus up to 100 miles 160 km of travel 50 miles 80 km each way PARTS RETURN A All defective in warranty parts must be returned to a Frymaster Authorized Factory Service Center within 60 days for credit After 60 days no credit will be allowed WARRANTY EXCLUSIONS This warranty does not cover equipment which has been damaged due to misuse abuse alteration or accident such as e improper or unauthorized repair e failure to follow proper installation instructions and or scheduled maintenance procedures as prescribed in your MRC cards improper maintenance dama
16. d downward to the next step If the answer is no follow the arrow to the right to the possible solutions corrective action boxes 3 he left box offers possible solutions The right box gives the corresponding test procedure to verify the possible solution or corrective action Test procedures are found on pages 16 WARNING INSPECTION TESTING AND REPAIR OF ELECTRICAL EQUIPMENT SHOULD BE PERFORMED BY QUALIFIED PERSONNEL Notes REdY HI or PROB may also appear REdY indicates the temperature is near set temp HI indicates the temperature is above set temp PROB indicates a defective probe circuit air RTD or heater RTD STD Standard troubleshooting test N A No applicable test Set up for test per section 9 3 1 Follow each step in sequence Plug in to power source Push ON OFF switch Incorrect or no voltage applied wall circuit breaker Blown 20A fuse Transformer has failed Computer is faulty Wiring connection is faulty Unit powers up and display reads LO YES Go to page 16 and continue Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 15 1 800 24 FRYER Continued from page 15 Does LED light come on indicating unit is calling for heat from the air heater NO YES Does air blow o
17. elay 6 Reconnect the wire disconnected in step 2 Remove and insulate wires from terminals 2 4 6 and 8 on the latching relay 8 Turn the computer ON Test for approximately 12VDC between pins 1 and 0 on the latching relay Measure continuity between terminals 2 and 4 then terminals 6 and 8 If no continuity between terminals 2 and 4 or terminals 6 and 8 the relay is defective 13 Reconnect wires disconnected in step 7 1 BLOWERTEST 1 Set HLZ series up for testing per 9 3 1 3 a 208V units between the white and black wires 0 0 0 b 240V units between the red and white wires 0 0 0 4 Correct reading is a 208V units 60 5 ohms b 240V units 67 5 ohms Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 19 1 800 24 FRYER TEST AIR HEATER Set HLZ series up for testing 9 3 1 Measure air heater resistance by connecting one meter lead to terminal 4 white wires on the latching relay and the other meter lead to the bottom white wire on the air heater relay 3 Correct reading is a 208V heater 22 4 ohms b 240V heater 29 4 ohms TEST H SOLID STATE RELAYS Air Heater and Plate Heater Relays 1 Set HLZ series up for testing 9 3 1 Turn
18. ge in shipment abnormal use removal alteration or obliteration of the rating plate This warranty also does not cover e transportation or travel over 100 miles 160 km 50 miles 80 km each way or travel time over two 2 hours overtime or holiday charges consequential damages the cost of repairing or replacing other property which is damaged loss of time profits use or any other incidental damages of any kind There are no implied warranties or merchantability or fitness for any particular use or purpose For international warranty the above procedures apply except that the customer is responsible for freight and duty charges 2 PARTS ORDERING AND SERVICE INFORMATION Parts orders may be placed directly with your local Frymaster Factory Authorized Service Center FASC Distributor A list of Frymaster FASC Distributors was included with the unit when shipped from the factory If you do not have access to this list please contact the Frymaster Service Department at 1 800 24 FRYER or 1 318 865 1711 To speed up your order the following information is required Model Number Serial Number Voltage Item Part Number Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 1 1 800 24 FRYER Quantity Needed Service may be obtained by contacting your local Frymaster Authorized Service Center Distribut
19. late standing on its side against the back air delivery assembly The heater plate leads Gently lift the heater plate which may stil should be coming off the top edge stuck to the adhesive Apply new acrylic the heater plate tape to the chassis before reinstalling the h Once the heater plate is aligned plate properly with the HLZ chassis gently lower the heater plate until the plate end with the lead wires is approximately 2 inches from the chassis Feed the leads through the opening in the chassis wall i Finish lowering the heater plate into place and connect the heater plate lead wires Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 13 1 800 24 FRYER 6 Reinstalling the Cowl Assembly and Air Delivery Assembly Gasket Installation a Cowl Assembly 1 2 b Air Delivery Tower Assembly 1 2 3 4 Clean surface area thoroughly Remove any old adhesive Apply a new gasket to bottom edge of the cowl assembly Test fit the cowl assembly to see if a gap is visible once the cowl assembly is properly seated f a gap remains apply a second gasket to create a better seal Plug in the computer harness and reinstall the cowl assembly a Apply gasket or sealant along this edge Clean surface area thoroughly Remove any old adhesive Apply new gasket along bott
20. led through disconnect the old lead wires and attach the new leads to the test plug g Go to step 9 3 2 and reassemble the air delivery tower Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 12 1 800 24 FRYER 5 Accessing the Plate and Air Heaters NOTE A hot platen is easier to remove The heat makes the adhesive holding the a Use the following method to remove the plate heater in pl assembly or access the compartment underneath the aten plate heater pliable b Remove the cowl assembly per step 9 3 1 c Then remove the air delivery assembly following steps 9 3 2a and 9 3 2b d Insert a thin sharp knife i e Exacto type between the heater plate and the HLZ chassis Carefully cut the silicon adhesive between the heater plate and the chassis e Lift the heater plate by prying up one end of the heater plate away from the HLZ chassis The plate is held in place by an acrylic tape It will be difficult to break the bond between the heater plate and chassis After cutting the acrylic adhesive f Remove acrylic tape from the heater plate the heater wre E the and frame to prevent rebounding while Servicing ui ESD d 0 When reinstalling the heater plate apply new acrylic tape to the HLZ chassis first Then position the heater p
21. mp within 15 F of setpoint Heater plate is good Your HLZ is ready for use Page 9 9 SERVICE INFORMATION 9 1 PARTS LIST This parts list is correlated with the HLZ interior view found in section 9 2 Description ltem Description Part Transformer 20872072 P 13 FuseBlock 4022820 4 Fuse 20A C C Air Heater 240V only Cord Set Twist Lock HLZ 22 Shed HL Heater OBO Wot Shown RTV 108 Silicone Rubber SIEI ee ee E LIBIEFD 7 LLLA Bracket RTD Thermocouple Not Shown Filter Screen Dewey Air Back WA FEZA Acrylic Tape Double 7 AirThermocouple Sided Not Shown Computer Assembly HLZ 0 9217 Cowl Assembly Ar 22 Plate Heater with a ae and Thermocouple 208V 240V 92 92383 22 x15 5 Not Shown Cowl Tinnerman Clips Not Shown Front Delivery Air W A 2272 HLZ 18 Plate Heater with RTD and Thermocouple 208 240V 220 9259 Not Shown Lug Grounding 14 GA 207 2972 22 x12 Plug Assembly Computer Not Shown Pad HLZ Leg 015 0110 Relay Solid State Service Kit DEPE Relay Latching ae Burger Bumpers are not used on units built after Blower 208V 240V 9 2 Interior view of an HLZ Cowl Assembly removed Air RTD Probe Air Thermocouple Blower assembly Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394
22. mponents with PN 806 9198 Computer Assembly HLA 807 2953 Blower 208 240V 807 0067 Terminal Block 8 pin Remove resistor assembly as it is no 807 3020 longer needed if a 208V Blower is used Correct resistance for this Plate Heater is 230 15 ohms Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 23 1 800 24 FRYER
23. oint temperature for the other heater press the corresponding Heater Switch 1 or 4 Program as described in Step 4 When finished press again to exit programming mode To change the other heater press 4 to 4 program the heater plate to program the air heater then go to Step 4 for instructions 7 2 Operation 1 Press the ON OFF switch to the ON position the display will light and cycle through an initialization sequence The display will read LO until the air heater and heater plate are within 15 F of setpoint It will take approximately 10 minutes for the HLZ to achieve operating temperature Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 6 1 800 24 FRYER Press to turn on the computer The display will read until both heaters are within 15 F of setpoint NOTE A small LED will light in a specific location in the display when either the heater plate or air heater is energized Air Heater Heater Plate When the HLZ is ready for operation the display reads REdY ready Place product in the HLZ in accordance with the restaurant s established procedures NOTE To check the actua temperature of a heater press the corresponding Temperature Switch once To check the setooint temperature of a heater press the switch twice an indicator will light when
24. om edge of the front air delivery panel Test fit the air delivery assembly to see if a gap is visible once the assembly is properly seated If a gap remains apply a second gasket to create a better seal Make sure the brackets on the back side of the front air delivery assembly slide up and under the nuts on the back air delivery mounting screws see figure 9 8 Once the front air delivery tabs clear the heater plate and the front air delivery is seated tighten the mounting screws to pull the front air delivery flush against the back air delivery assembly An air seal is created between the lower sections of the front air delivery and back air delivery assemblies This seal forces the heated air up the rear and then down the front side of the front air delivery assembly After reinstalling the air delivery tower reseal around the heater plate with RTV 108 silicone rubber compound PN 811 0511 Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 14 1 800 24 FRYER 9 4 Troubleshooting Flow Charts 1 Follow the flowchart on pages 15 18 to help locate and troubleshoot the most likely encountered problems The flowchart will give possible solutions corrective actions to be taken 2 use the flowchart start at the top of the diagram Follow each step in sequence If the answer to a question is yes procee
25. or Service information may be obtained by calling the Frymaster Service Department The following information will be needed in order to assist you quickly and efficiently Model Number Serial Number Nature of the Problem Also any other information which may be helpful in solving your service problem RETAIN AND STORE THIS MANUAL IN THE EQUIPMENT MANUAL FOR FUTURE USE Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 2 1 800 24 FRYER 3 HEATED LANDING ZONE The Heated Landing Zone or HLZ is designed to hold assembled sandwiches By circulating heated air evenly across the open staging area the Heated Landing Zone keeps sandwiches hot without drying or cooking The Heated Landing Zone meets all McDonald s standards for safety efficiency food safety and cleanliness 4 INSTALLATION SETUP Optional Burger Bumper Installed unit built before 10 98 Upon arrival inspect the HLZ for concealed damage M Immediately report any damage to the delivering freight company Claims must be filed within 15 days after receipt of the unit Computer Cowl Make sure that the unit is placed on an even surface and that the area surrounding the HLZ is free of clutter that would interfere with air flow INSTALL OPTIONAL BURGER BUMPER Units built before 10 98 The burger bumper may be placed on either side of the H
26. the setpoint is displayed Setpoint 2 2 0 Temperature Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 7 1 800 24 FRYER 8 HLZ Series Operator Troubleshooting The HLZ does not function properly Press the ON OFF switch Does the computer power up Is the power cord plugged into the proper Yes voltage outlet Plug power cord Check wall circuit into proper outlet dene if it Press ON OFF switch once If circuit breaker has tripped reset the breaker Computer is functioning Does the computer come on Low voltage transformer fuse or computer is faulty Does air blow out of the cowl The blower latching assembly Call your authorized relay or solid state y i Frymaster servicer relays need service Yes The blower is operational Run the unit for 20 minutes before continuing with troubleshooting Observe the computer display Go to next page and continue at the top of the flow chart Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 8 1 800 24 FRYER Heater plate RTD is faulty No PROB One of the RTD probes has failed Press
27. us K 034 241 Og 90 291 GL veel ct IL OL 6 8 9 G v 9 7 Wiring Diagram NO HSNd JHM CASANN 9 NOlLdO AOvZ 99 I LHM uH O2 d3MOd 418 M90 1H jsfi4 Wire Diagram 805 1044C FAX 318 862 2394 Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 Page 22 Service Hotline Printed in the United States 1 800 24 FRYER APPENDIX A PROTOTYPE UNITS built before June 15 1998 A 1 Parts List For Prototype Units A small quantity of units were manufactured before June 1998 The following is a list of replaceable parts for those units which are not in common with later production models HPLA 12 On Off Switch Description HPLA 18 Description 807 2278 Fuse 20A Cordset 807 2512 Resistor 50W 100 ohm 807 2954 Blower HPLA 115V 807 2278 Fuse 20A 806 8988 Controller HPLA 806 8988 Controller HPLA 807 2323 UHC Heater Plate 18 807 3005 Plate Heater 18 HPLA24 807 1568 Air RTD Probe 807 2880 UHC Plate Heater 18 806 9239 Plate Heater 12 806 9253 Bumper Burger 807 0067 Terminal Block 8 pin HPLA 12 Computer Description 806 9155 Cowl Assembl 806 9198 Computer HLA 806 9155 Cowl Assembl 807 3002 Plate Heater 12 910 8138 Bumper HPLA 18 Burger Replace these co
28. ut of the cowl assembly NO YES Does LED light come on indicating unit is calling for heat from the plate heater NO YES Allow the heaters to heat for approximately 3 minutes Air Temp Probe is faulty Computer has failed Wiring connection is faulty Latching relay has failed Blower is faulty Computer has failed Wiring connection is faulty Foreign object is stalling the blower Heater Plate RTD is faulty Computer has failed Wiring connection is faulty Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline 1 800 24 FRYER Continued from page 16 After 3 minutes does the Push button 4 once to air heater light change check actual air temp then from being on continuousl push again to check set to flickering point Air heater has failed Air heater relay is faulty Air RTD is faulty Is air temp within 25 F of set point Computer has failed Wiring connection is faulty Air temp is near set point Computer is faulty NO After an additional 7 minutes does REdY appear in the display indicating heater is near set point Push button 1 once to check actual plate temp then push again to check set point Plate heater has 1 Test C failed Plate heater relay 2 Test H NO
29. uter Turn computer on 3 Check for approximately 10VDC from the terminal red wire on the heater plate relay to ground No output voltage indicates a faulty computer Frymaster L L C 8700 Line Avenue 71106 P O Box 51000 Shreveport Louisiana 71135 1000 318 865 1711 FAX 318 862 2394 Printed in the United States Service Hotline Page 18 1 800 24 FRYER TEST C PLATE HEATER Plate Heater RTD Set up HLZ series for testing per 9 3 1 2 Unplug 15 pin computer plug Measure resistance between pins 13 and 14 on the computer plug See figure 9 10 page Compare resistance with actual plate temperature using the resistance chart on page 21 Plate Heater Set up HLZ series for testing per 9 3 1 2 Measure heater resistance by connecting one meter lead to terminal 4 white wires on the latching relay and the other meter lead to the bottom black wire on the plate heater relay TEST D AIR RTD PROBE Set HLZ series up for testing per 9 3 1 Unplug 15 pin computer plug Measure resistance between pins 14 and 15 on the computer plug See figure 9 10 page 20 Compare resistance with actual air temperature using the resistance chart on page 21 TEST E LATCHING RELAY Set up HLZ series for testing 9 3 1 Remove the wire from either pin 1 or 0 of the latching relay Measure resistance between pin 1 and 0 of the latching relay Correct resistance is 84 5 ohms 5 If resistance is incorrect replace the r
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