Traulsen TU044HT User's Manual
Contents
1. NOTE Traulsen refrigerator units also have an off cycle defrost at which time the control will read This defrost is temperature terminated and can last from 3 20 minutes dEF will be displayed for 20 37 minutes time e Vil MICROPROCESSOR CONTROL continued VII n SETTING THE DEFROST LOCKOUTS The defrost lockout parameters allow the customer to prevent the unit from going into a defrost cycle for two hours during a set time frame Customers can set up to four defrost lockout parameters They are all programmed the same way The parameters will be set for the time the lockout is to start The controller automatically calculates 2 hours from that setting The options are similar to the 24 hour clock settings and are in 30 minute increments Each of the lockout parameters cov ers 6 hours of the 24 hour clock Note The 24 hour clock must be set for this feature to operate at the correct time of day See Setting the 24 Hour Clock on page 11 74 dL 020 2 00 a m 080 8 00 a m 140 2 00 p m 200 8 00 p m 023 2 30 a m 083 8 30 a m 143 2 30 p m 203 8 30 p m 030 3 00 a m 090 9 00 a m 150 3 00 p m 210 9 00 p m 033 3 30 a m 093 9 30 a m 153 3 30 p m 213 9 30 p m 040 4 00 a m 100 10 00 a m 160 4 00 p m 220 10 00 p m 043 4 30 a m 103 2 10 30 a m 163 4 30 p m 223 10 30 p m 050 5 00 a m 110 11 00 a m 170 5 00 p m 230 11 00 p m 053 5 30 a m 1132 11 30 a m 12. Quality Refrigeration OWNER S MANUAL Instructions for the installation operation and maintenance of Traulsen TU Series Full Size Undercounter Refrigerators TUOAAHT TUO72HT amp TU1OOHT TU Series Full Size Undercounter Freezers TUOAALT amp TUO72LT j TAN This Traulsen unitis built to our highest quality standards We build our refrigerators and freezers this way as a matter of pride This philosophy has made Traulsen the leader in commercial refrigeration since 1938 We thank you for your choice and confidence in Traulsen equipment and we know you will receive many years of utility from this equipment All Traulsen units are placed on a permanent record file with the service department In the event of any future ques tions you may have please refer to the model and serial number found on the name tag affixed to the unit Should you need service call us on our toll free number 800 825 8220 between 7 30 am 4 30 pm CST Monday thru Friday You may also log onto www traulsen com for further information It is our pleasure to help and assist you in every possible way INSTALLER COMPLETE THE FOLLOWING INFORMATION PRIOR TO UNIT INSTALLATION INITIAL START DATE SERIAL NO MODEL TYPE COMPANY INDIVIDUAL NAME INSTALLER FORM NUMBER TR35745 REV 1 08 P N 375 60297 00 TABLE OF CONTENTS THE SERIAL TAG Page 1 e Enter The Service Access Page 8 Il RECEIPT INSPECTION Page 2 f Service Parameters Page 9
3. 3 DRAWER 4 DEEP PAN DRAWER ASSEMBLY DRAWER FACE ASSEMBLY DRAWER FRAME ASEMBLY DRAWER FRAME INSERT DRAWER GASKET DRAWER ROLLER MODEL TU044 SHELF CHROME 1 SECTION MODEL TU072 amp TU100 SHELF CHROME 2 amp 3 SECTION LH SHELF CHROME 2 amp 3 SECTION RH MODEL TU100 CENTER SHELF SHELF CHROME 3 SECTION CENTER DRAWER 550 10108 00 550 10114 00 550 10104 00 SER 60539 00 341 601 76 07 344 60155 00 DRAWER 550 10098 00 550 10099 00 550 10104 00 SER 60541 00 341 60176 06 344 60155 00 SHELF 340 60230 01 SHELF 340 6023 1 02 340 60231 03 SHELF 340 60232 01 LOUVER LOUVER PANEL ALL MODELS MICROPROCESSOR CONTROL HEAD MICROPROCESSOR CABINET TEMPERATURE SENSOR MICROPROCESSOR COIL TEMPERATURE SENSOR MICROPROCESSOR LIQUID LINE TEMPERATURE SENSOR MICROPROCESSOR RELAY MODULE 5300 70081 00 MICROPROCESSOR 33 60403 00 337 60405 01 337 60406 01 337 60407 01 337 60317 00 gt r r O gJ m r U A NOTES HOURS OF OPERATION Monday thru Friday 7 30 am 4 30 pm CST Traulsen 4401 Blue Moud Road Fort Worth TX 76106 Phone 800 825 8220 Fax 817 740 6757 Website www traulsen com Quality Refrigeration 2008 Traulsen All Rights Reserved
4. IIl INSTALLATION g Adjusting Thermostat Set Point High Page 9 a Location Page 2 h Adjusting Thermostat Set Point Low Page 10 b Packaging Page 2 i Changing The Temperature Scale Page 10 c Adjusting the Casters Page 2 j Setting The 24 Hour Clock Page 11 d Cord amp Plug Page 2 k Setting The Date Page 12 e Power Supply Page 2 I Setting Daylight Savings Time Page 12 IV OPERATION m Starting A Manual Defrost Page 13 a Refrigerators Page 3 n Setting Defrost Lockouts Page 14 b Freezers Page 3 o Adjusting The Drawer Perimeter Heaters Page 15 V CARE amp MAINTENANCE p Adjusting The Room Temperature Offset Page 15 a Cleaning The Condenser Filter Page 3 q Setting The Audible Alarm Style Page 16 b Replacing The Gaskets Page 4 r Viewing Sensor Temperatures Page 16 c Cleaning The Cabinet Surface Page 4 VIII WIRING DIAGRAM Page 17 VI DRAWERS IX TROUBLE SHOOTING GUIDE Page 18 a Removing The Door And Installing Drawers Page 4 X SERVICE ASSISTANCE VII MICROPROCESSOR CONTROL a Service Information Page 19 a Control Features Page 5 b Spare Parts Information Page 19 b Alarm Explanations Page 6 c Warranty Registration Page 19 c Control Panel Diagram Page 7 Xl WARRANTIES Page 20 d Notes To The User Page 7 XII SERVICE PARTS LIST Page 21 ame Il THE SERIAL TAG FORT WORTH TX The serial tag is a permanently affixed label on which is recorded vital electrical and refrigeration data about SERIAL your Traulsen product as well as the model and serial VOLTS number T
5. ch E A o OL U I O E Defrost Lockout 2 VII g ADJUSTING THERMOSTAT SET POINT HIGH This parameter sets the high point of the desired cabinet temperature range Typically freezers will range from 3 F to 0 F 19 C to 18 C and refrigerators will range from 36 F to 40 F 2 C to 4 C for this parameter setting This parameter is preset at the factory and does not have to be adjusted unless the customer chooses to do so Note Set Point Low and Set Point High cannot be set to the same temperature There must be at least 1 2 degree difference between the two set tings Follow the instructions to enter the customer access code on page 8 When the control display reads Thermostat Set Point High Press the set button Use the arrow keys S to adjust the temperature to your desired setting When the display shows the temperature you want press the set button The display will then read Thermostat Set Point High ha You can use the up or down arrow keys to scroll to the next parameter 7 or press the alarm cancel button to exit xp Vil MICROPROCESSOR CONTROL continued VII h ADJUSTING THERMOSTAT SET POINT LOW This parameter sets the low point of the desired cabinet temperature range Typically freezers will range from 6 F to 4 F 21 C to 20 C and refrigerators will range from 32 F to 34 F 0 C to 1 C for this parameter setting This parameter is preset at the factory
6. read Temperature Scale LL hp You can use the up or down arrow keys or press the alarm cancel button to exit xj to scroll to the next parameter 10 Vil MICROPROCESSOR CONTROL continued VII j SETTING THE 24 HOUR CLOCK The internal time clock must be set in order for the data storage memory to correctly log events and to allow any defrost lockout to occur at the correct time of day If the clock is not set the control assumes the time is 12 am at the time power is supplied to the unit The hours on a 24 hour time clock read the following way H01 1 00 a m H07 7 00 a m H13 1 00 p m H19 7 00 p m H02 2 00 a m H08 8 00 a m H14 2 00 p m H20 8 00 p m H03 3 00 a m H09 9 00 a m H15 3 00 p m H21 9 00 p m H04 4 00 a m H10 10 00 a m H16 4 00 p m H22 10 00 p m HO5 5 00 a m H11 11 00 a m H17 5 00 p m H23 11 00 p m H06 6 00 a m H12 12 00 p m H18 6 00 p m H24 12 00 a m Follow the instructions to enter the customer access code on page 8 When the control gt displays Thermostat Set High press the down arrow key il until the control display reads ET Clock Press the set button LL The display will Show HII Hours The right two numbers will be flashing tim i Use the arrow keys il to set the hour When the correct hour is displayed press the set button The display will show n i Minutes The right two numbers will be flashing amm atm U
7. requires no adjustments but without the audible alarms activated See pages 6 thru 16 for more information MICROPROCESSOR CONTROL VII a CONTROL FEATURES 1 Internal Time Clock Eliminates external defrost time clock Defrost cycle can be quickly adjusted to suit individual location and use Must be set at power up See page 11 Setting the 24 Hour Clock Will automatically update for Daylight Savings Time 2 Water Resistant Housing The face of the control is water resistant to provide for protection during cleaning 3 Parameter Service Levels See Customer Service Parameters on Page 9 4 Defrost Lockouts See Setting Defrost Lockouts on page 14 Customers can set up to 4 different defrost lockout periods The lockout prevents the unit from going into a defrost cycle during peak kitchen use Note The 24 hour clock must be set for this feature to operate correctly 5 Communication Ability A NAFEM Data Protocol NDP compliant RS 485 serial communications port is available to interface with data collection software by others All microprocessor control equipped models are capable of com municating within a NAFEM Data Protocol network if provided with an optional Gateway Hub available from Traulsen The actual communications software is available from a number of third party software vendors 6 Anti Condensate Door Perimeter Heater Control The No Sweat feature is an energy savings system that allows the cus
8. 73 5 30 p m 233 11 30 p m 060 6 00 a m 120 12 00 p m 180 6 00 p m 240 12 00 a m 063 6 30 a m 123 12 30 p m 183 6 30 p m 243 12 30 a m 070 7 00 a m 130 1 00 p m 190 7 00 p m 010 1 00 a m 073 7 30 a m 133 1 30 p m 193 7 30 p m 013 1 30 a m 080 8 00 a m 140 2 00 p m 200 8 00 p m 020 2 00 a m Denotes not available A lockout can not be programmed to start at 12 00 am or 12 30 am due to conflicts with other internal programs The de frost lockouts can not be programmed to run back to back For example if dL1 is set to 080 then a defrost cycle would be locked out from 8 00 am to 10 00 am Because of the dL1 setting the dL2 parameter would not let the user choose a lockout start time before 10 30 am All lockouts are preset at the factory to OFF Follow the instructions to enter the customer access code on page 9 When the control gt displays Thermostat Set High press the down arrow key Z until the control the control display reads m cl or Press the set button i Lo p 3 BH The display will Show p L Off Press the arrow keys to set the start time When the correct time is displayed press the set button The display will then exci d od oLa digo or Jg You can press the up or down arrow keys to scroll to the next parameter p p y E p or press the alarm cancel button to exit 3 14 Vil MICROPROCESSOR CONTROL continued VII o ADJUST
9. ING THE DRAWER PERIMETER HEATERS This parameter allows the customer to turn ON and OFF the anti condensate door drawer perimeter heaters This param eter is set to the highest setting 100 at the factory so that the door drawer heaters stay on continuously If you choose to have the door drawer heaters cycle on and off lower this parameter to approximately 30 If condensation forms around the door drawers increase the parameter until condensation stops The exact setting will vary depending on ambient SPH Follow the instructions to enter the customer RS on page 8 When the contratdi f e the control display reads Press the arrow keys your desired setting When the display shows the factor you want press the set button The display will then diim Z OL DewPoint Compensation Factor You can use the up or down arrow keys L Thermostat Set High press the down arrow key I DewPoint Compensation Factor Press the set button to adjust the factor to read to scroll to the next parameter or press the alarm cancel button to exit VII p ADJUSTING THE ROOM TEMPERATURE OFFSET The room temperature offset parameter allows a service technician or end user the ability to have the display show a tem perature that is within three degrees of the actual temperature being read by the cabinet air sensor This allows for continuity of reading between different temperature reading devices i e thermistor vs thermocoup
10. TY REGISTRATION The warranties for your new Traulsen unit may be registered with us by contacting our Ft Worth facility by phone at 800 825 8220 or you may register on line 1 Log onto www traulsen com 2 Select Service Directory top of screen 3 Select Warranty Registration Form left side of screen 4 Fill out information requested 5 Select Submit to complete unit warranty registration Een Xl WARRANTIES STANDARD DOMESTIC WARRANTY TRAULSEN amp CO INC warrants new equipment to the original purchaser when installed within the United States against defective material and workmanship for one 1 year from the date of original installation Under this warranty TRAULSEN amp CO INC will repair or replace at its option including service and labor all parts found to be defective and subject to this warranty The compressor part is warranted for an additional four 4 years During this period TRAULSEN amp CO INC will supply replacement compressor s if deemed defective however all installation recharging and repair costs will remain the responsibility of the owner However all installation and repair costs will remain the responsibility of the owner This warranty does not apply to damage resulting from fire water burglary accident abuse misuse transit acts of God ter rorism attempted repairs improper installation by unauthorized persons and will not apply to food loss For Traulsen units purchase
11. ag IV OPERATION IV a REFRIGERATORS Both refrigerators and Freezers do not require manual defrosting During normal operation a refrigerator con tinuously circulates above freezing cabinet air through the coil A compressor OFF cycle occurs every 2 1 2 Hours for 20 minutes to melt any frost which may accumulate on the coil during the compressor ON cycle The control will read dEF and the green water drop will be illumi nated With standard holding refrigerators high relative humidity is also maintained to prevent dehydration of stored product IV b FREEZERS During normal operation a freezer continuously circu lates below freezing cabinet air through the coil The coil requires a periodic defrosting for proper operation This is accomplished by an automatic time activated temperature time terminated defrost program utilizing hot gas from the refrigeration system The controller is preset at the factory for six equally spaced defrost cycles within each 24 hour period At the start of a freezer defrost cycle the compressor condenser fan and evaporator fan shut off The hot gas relay will be energized this will energize the hot gas solenoid valve thru the normally open contacts and the condenser fan circuit will be de energized thru the nor mally closed contacts and the compressor will restart When the evaporator coil sensor reaches 40 F the coil is fully defrosted or if the maximum time of defrost d
12. and does not have to be adjusted unless the customer chooses to do so Note Set Point Low and Set Point High cannot be set to the same temperature There will be at least 1 2 degree difference between the two settings Follow the instructions to enter the service access code on page 8 When the control Lh displays CA thermostat Set High press the down arrow key E until the control display reads aa Thermostat Set Point Low Press the set putton Use the arrow keys TF to adjust the temperature to your desired setting When the display shows the temperature you want press the set button The display will then read cH Thermostat Set Point Low a p You can use the up or down arrow keys to scroll to the next parameter il A tmv C or press the alarm cancel button to exit sy VII i CHANGING THE TEMPERATURE SCALE The temperature scale determines if the temperature displayed will be in degrees Fahrenheit or degrees Celsius Follow the instructions to enter the customer access code on page 8 When the control a displays Thermostat Set High press the down arrow key TF until the control display reads Temperature Scale Press the set patron LL The display will start with the current setting either for degrees Fahrenheit D Or __ for degrees Celsius Use the arrow keys A to toggle between the options i When the display shows the scale you want press the set button The display will then
13. d with a remote feature standard warranty will apply only to those components contained within the unit to the point of connection of the refrigeration lines leading to the remote compressor THERE ARE NO ORAL STATUTORY OR IMPLIED WARRANTIES APPLICABLE TO TRAULSEN INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF TRAULSEN SHALL HAVE NO OBLIGATION OR LIABILITY FOR CONSEQUENTIAL OR SPECIAL DAMAGES GROWING OUT OF OR WITH RESPECT TO THE EQUIPMENT OR ITS SALE OPERATION OR USE AND TRAULSEN NEI THER ASSUMES NOR AUTHORIZES ANYONE ELSE TO ASSUME FOR IT ANY OBLIGATION OR LIABILITY IN CONNECTION WITH THE EQUIPMENT OR ITS SALE OPERATION OR USE OTHER THAN AS STATED HEREIN MICROPROCESSOR CONTROL WARRANTY TRAULSEN warrants to the original purchaser of the microprocessor control when installed as part of the Refrigeration Hot Food Equipment manufactured and sold by TRAULSEN to be free of defects in material and workmanship under normal service and use for a period of two 2 years from the date of installation Under this warranty statement TRAULSEN will repair or exchange at TRAULSEN S discretion F O B factory any part of said control which proves to be defective Inspection by the TRAULSEN Service Department of parts claimed defective shall be final in determining warranty status The warranty is to include repair or exchange of any defect
14. e arrow keys IIKO to scroll be tween L for the 3 Second Audible Alarm Burst or J mE for Continuous Audible Alarm When the display The display will then read thermostat Set Point High dim y a to scroll to the next parameter or press the Alarm Cancel Button XID to exit shows your choice of style press the set button 44i Use the arrow keys i VII r VIEWING SENSOR TEMPERATURES These parameters allow a service technician or customer to view the temperature of all sensors within the unit The temperatures cannot be adjusted Follow the instructions to enter the customer access code on page 8 When the control displays Thermostat Set Point N High press the up arrow key unit the display reads Cabinet Air Sensor Evaporator Coil Sen sor or Disharge Line Sensor dur press the SET button o The display will read the temperature of the designated sensor to scroll through the parameters or press the ALARM CANCEL button CE Press the UP or DOWN arrow keys XI to exit 16 VIII WIRING DIAGRAM Note Refer to the wiring diagram below applies to refrigerators and freezers units for any service work performed by a qualified technician IX TROUBLE SHOOTING GUIDE PROBLEM POSSIBLE SOLUTION 1 Condensing unit fails to start a Check if cord amp plug has been disconnected b Clean Condenser 2 Condensing unit operates for prolonged a Are doors closed properly periods o
15. esulting from fire water burglary accident abuse misuse transit acts of God terrorism attempted repairs improper installation by unauthorized persons and will not apply to food loss TRAULSEN S standard warranty does not apply to Export Sales Rather for a period of one 1 year from date of original installation not to exceed Fifteen 15 months from date of shipment from factory TRAULSEN will replace F O B factory any defective parts normally subject to warranty will not cover the cost of packing freight or labor such costs being the sole responsibility of the dealer end user THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EITHER EXPRESSED OR IMPLIED AND CONSTITUTES TRAULSEN S FULL OBLIGATION AND LIABILITY WARRANTIES NOT AVAILABLE ON REMOTE MODELS 20 XII SERVICE PARTS LIST NOTE Part numbers listed are for standard products as currently manufactured For products manufactured as other than standard please contact the factory CASTER ALMODHS 0 JG ADJUSTABLECASTERNOLOCK SER 60538 00 JG ADJUSTABLECASTERWITHLOCK SER6053801 LEG ALMODHS o EGY SER 60542 00 DOR JALMODHS o DOOR ASSEMBLY HINGED LEFT 200 60593 00 DOOR ASSEMBLY HINGED RIGHT 200 60593 01 DOOR GASKET 341 60197 00 2 DRAWER 6 DEEP PAN DRAWER ASSEMBLY DRAWER FACE ASSEMBLY DRAWER FRAME ASSEMBLY DRAWER FRAME INSERT DRAWER GASKET DRAWER ROLLER
16. his tag is located in the right interior compart ment on all standard full size undercounter models TOTAL CURRENT AMPS MINIMUM CIRCUIT AMPS MAXIMUM OVERCURRENT PROTECTION READING THE 5ERIAL TAG LIGHTS WATTS HEATERS AMPS Serial The permanent ID of your Traulsen unit e Model The model of your Traulsen unit REFRIGERANT TYPE Volts Voltage DESIGN PRESSURE HIGH s Hz Cycle e PH Phase Total Current Maximum amp draw e Minimum Circuit Minimum circuit ampacity e Lights Light wattage e Heaters Heater amperage Hot Food units only e Refrigerant Refrigerant type used Design Pressure High amp low side operating pressures and refrigerant charge e Agency Labels Designates agency listings REFRIGERANT TYPE DESIGN PRESSURE HIGH 370 60294 00 REV A Il RECEIPT INSPECTION All Traulsen products are factory tested for performance andare free from defects when shipped The utmost care has been taken in crating this product to protect against damage in transit You should carefully inspect your unit for damage during delivery If damage is detected you should save all the crating materials and make note on the carrier s Bill Of Lad ing describing the damage A freight claim should be filed immediately If damage is subsequently noted during or immediately after installation contact our customer care team to file a freight claim There is a fifteen 15 day limit tofilefreight damage with the carrier Under no c
17. it in so that the compressor oils and refrigerant may settle IIl INSTALLATION continued IIl c INSTALLING ADJUSTING LEGS OR CASTERS To install legs or casters slide leg or caster into the caster channel from the side of the unit without the refrigeration system To adjust the legs or casters loosen the two bolts and move leg or caster to desired location spacing between leg or caster not to exceed 48 inches Leg or caster on each end of the unit can not exceed 8 inches from the end of the cabinet NOTE Traulsen recommends to position legs or casters under the mullion when possible MCN CASTER CHANNEL iN XS SS ASTER PLATE BOLT IIl d CORD amp PLUG All self contained models are shipped standard with a NEMA 5 15P plug and 9 foot cord Select only a dedicated electrical outlet for power source NOTE Do not under any circumstances cut or remove the round grounding prong from the plug or use an extension cord Ill e POWER SUPPLY The supply voltage should be checked prior to connection to be certain that proper voltage for the cabinet wiring is available refer to the serial tag to determine correct unit voltage see page 1 Make connections in accordance with local electrical codes Use qualified electricians Use of a separate dedicated circuit is required Size wiring to handle indicated load and provide necessary overcurrent protector in circuit see amperage requirements on the unit s serial t
18. ive In Warranty control or part s of said control for Part s Any TRAULSEN microprocessor control supplied part s found to be defective Labor The labor charges from a TRAULSEN Certified Service Agent to effect the repair or exchange of the defective part s Defective Part Return All claimed defective part s must be returned to TRAULSEN for defect validation within 30 days from the date of the repair Failure to return all claimed defective part s to TRAULSEN will invalidate the warranty claim this warranty statement and forfeit payment for those repairs effected This warranty does not apply to damage resulting from fire water burglary accident abuse misuse transit acts of God terrorism attempted repairs improper installation by unauthorized persons and will not apply to food loss and will not apply if said equipment is located outside The United States INTERNATIONAL COMMERCIAL WARRANTY for Canadian warranties see domestic US warranty TRAULSEN amp CO INC warrants to the original purchaser the Refrigeration Equipment manufactured and sold by it to be free from defects in material and workmanship under normal use and service for a period of one 1 year from date of shipment Under this warranty TRAULSEN amp CO INC will reimburse the purchaser for the replacement of any part of said equipment excluding dryers amp refrigerant gas which then proves to be defective This warranty does not apply to damage r
19. le vs handheld thermometer This parameter is preset at the factory to 2 59 F Follow the instructions to enter the customer access code on page 8 When the control displays LHH a Thermostat Set High press the down arrow key until the control display reads gt Room Temperature Offset Press the set button Use the arrow keys S desired setting When the display shows the offset you want press the set button The display will then read 4l gt ro Room Temperature Offset You can use the up or down arrow keys to scroll to the next param O S eter or press the alarm cancel button to exit cam to adjust the offset to your A5 Vil MICROPROCESSOR CONTROL continued VII q SETTING THE AUDIBLE ALARM STYLE These parameters will allow the customer to turn on off the audible alarm feature on the INTELA TRAUL control The audible alarm is preset from the factory to OFF The customer can choose between an audible alarm that sounds for 3 seconds then automatically turns off or a continuous audible alarm that must be manually acknowledged Regardless of this feature s setting visual alarm text will display when conditions warrant To adjust this setting follow the instructions to enter the customer access code on page 8 When the control displays gt Thermostat Set Point High press the up arrow key Sj until the display reads Audible Alarm Style Press the set button The display will read pa L OFF Use th
20. lean the condenser coil and or filter if provided The microprocessor control will notify you through a CLN FIL message when the condensing temperature of the refrigerator reaches 140 degrees F or greater If the condensing temperature reaches 160 degrees F the com pressor will automatically turn off When the temperature drops below 140 degrees F the compressor will restart and when the temperature drops below 120 degrees F the alarm will reset WARNING DISCONNECT ELECTRICAL POWER SUPPLY BEFORE CLEANING ANY PARTS OF THEUNIT To clean the condenser filter first disconnect electrical power to the cabinet and remove the front louver as sembly To do so place hands under the louver panel and pull out and up to get louver panel off bracket of the unit See diagram below Proceed to vacuum or brush any dirt lint or dust from the finned condenser coil filter the compressor and other cooling system parts If significant dirt is clogging the con denser fins or filter use compressed air to blow this clear To replace the louver assembly reverse the process V CARE amp MAINTENANCE continued V b REPLACING THE GASKETS To remove the gasket to be replaced grasp it firmly by one corner and pull it out Before attempting to install a new gasket both the unit and the gasket itself must be at room temperature Insert the four corners first by using a rubber mallet or hammer with a block of wood After the corners are properl
21. ndenser continue to rise the audible alarm will return until the problem has been eliminated NOTE If discharge temperature rises above 160 F the compressor amp condenser fan motor will be switched off until the discharge temp falls below 140 F Sensor Failures The audible alarm will sound and the display will read CAB SEN COL SEN or DIS SEN when that particular sensor has failed to operate To turn off the audible alarm press the alarm cancel function of the sensor the audible alarm will sound again in either 5 minutes or 24 hours Note Test sensor in ice water 6 Vil MICROPROCESSOR CONTROL continued VII c CONTROL PANEL DIAGRAM F LED amp C LED DEFROST SYBMBOL SET BUTTON UP BUTTON amp OWN BUTTON RED ALARM LED DISPLAY LIGHT ALARM CANCEL BUTTON VII d NOTES TO THE USER You only have 20 30 seconds between button pushes If you take longer than 30 seconds the controller will revert back to displaying the cabinet temperature If you enter the wrong security code the controller will revert back to displaying the cabinet temperature You can exit the parameters at any time by pressing the alarm cancel button or by waiting 20 30 seconds Vil MICROPROCESSOR CONTROL continued VII e ENTER THE SERVICE ACCESS Use the security code 0 A 1 15 and the following instructions Press the set button The display will read EHI Service Access Press the set button The display will show three
22. oes not fall below the limit within 5 minutes the audible alarm will sound again and an additional Call Service message will display POSSIBLE CAUSES e Doors open for extended periods of time e Large amounts of hot product placed inside the cabinet e Condenser coil dirty e Cooling Compressor Failure Call Service e Refrigeration Problems Low Cabinet Air Temperature The audible alarm will sound and the display will read Lo Cab when the temperature inside the cabinet falls below a pre programmed limit The limit is determined by the type of unit being operated i e refrigerator freezer To turn off the audible alarm press the alarm cancel button The visual alarm text will continue to display until the cabinet air temperature rises above the limit If the temperature does not rise above the limit within 5 minutes the audible alarm will sound again and an additional Call Service message will display POSSIBLE CAUSES e No product in unit e Failed sensors Stuck Evaporator Relay Loss Of Power The audible alarm will sound and the display will read ELE LOS when the unit regains power after an outage To turn off the audible alarm and or clear the visual text press the alarm cancel button Condenser Clean The audible alarm will sound and the display will read Clean Filter when discharge temperatures exceeds 140 degrees As the load on the condenser decreases the alarm will turn off by itself As the temperature on the co
23. ondition may a damaged unit be returned to Traulsen without first obtaining written permission return authorization You may contact Hobart Traulsen customer care at 800 333 7447 to request a return or file a claim IIl INSTALLATION Ill a LOCATION Select a proper location for your unit away from extreme heat or cold Allow enough clearance between the unit and the side wall in order to make use of the door stay open feature at 120 self closing feature operates up to 90 The door s must be able to open a minimum of 90 in order to make use of the maximum clear door width Ill b PACKAGING Your Traulsen unit is shipped from the factory bolted to a sturdy wooden pallet in stretch wrapped material Most exterior stainless steel surfaces have a protective vinyl covering to prevent scratching during manufactur ing shipping and installation After the unit is installed in place of application peel remove and discard the covering from all surfaces To remove the wooden pallet first if at all possible we suggest that the cabinet remain bolted to the pallet dur ing all transportation to the point of final installation The bolts can then be removed with a 1 2 socket wrench Avoid laying the unit on its front side or back for removal of the pallet NOTE Traulsen does not recommend laying the unit on its front side or back If you must please allow the unit to remain in an upright position for 24 hours before plugging
24. r continuously b Dirty condenser or filter Clean properly c Evaporator coils iced Needs to defrost See instructions for set ting a manual defrost cycle p 13 3 Food Compartment is too warm a Check door s and gasket s for proper seal b Check if a large quantity of warm food was recently added or the NOTE Compressor may be cycling ON OFF door was kept open for a long period of time frequently c Microprocessor Control setting is too high Readjust per instruc tions on p 9 and 10 d Clean Condenser 4 Food Compartment is too cold a Check if a large quantity of very cold or frozen food has recently been added Allow adequate time for the cabinet to recover its normal operating temperature b Adjust the microprocessor control to warmer setting Readjust per instruction on p 9 and 10 5 Condensation on exterior surface a Check door s alignment and gaskets for proper seal b Condensation on the exterior surface of the unit is perfectly nor mal during periods of high humidity c Check perimeter heat setting and increase setting if 100 see section VII 6 Compressor hums amp does not start a Call for service zie X SERVICE ASSISTANCE X a SERVICE INFORMATION Before calling for service please check the following Is the electrical cord plugged in Is the fuse OK or circuit breaker on Clean condenser coil Is the power switch on Reset microprocessor control values to fac
25. rameter is preset at the factory to automatically adjust the 24 hour clock for Daylight Savings Time Follow the in structions to enter the customer access code on page 8 When the control displays C IPIHimemosi Set Point High gt press the down arrow key Z until the display reads Daylight Savings Time Press the set button The display will show Daylight Savings Time Yes automatically adjust for Daylight Savings Time tme atm For YES press the set button for NO press the up or down arrow e am The display will read Daylight Savings Time no Press the set outor The display will read Daylight Savings gt p ON AN Time You can press the up or down arrow iva to scroll to the next parameter or press the alarm cancel button to exit 5 lt 12 Vil MICROPROCESSOR CONTROL continued VII m STARTING A MANUAL DEFROST CYCLE This parameter allows a service technician to start a defrost cycle at any time This parameter will override any lock out settings Follow the instructions to enter the customer access code on page 8 When the control displays 4i Thermostat Set High press the down arrow key S until the control display eads Gel Start Manual Defrost Press the set button The display will show Press either arrow key 9 538 The display will Show Press the set button e DEFROST ICON The defrost icon will be lit and the display will read when the unit is in defrost
26. rt door s into two 6 deep drawers or three 4 deep drawers The door s on all models can easily be converted to draw ers in the field To begin the process open the door to its maximum position Support the non hinged end of the door so minimum movement occurs When the bolts from the lower hinge plate are removed remove the lower hinge plate and then the door from the top hinge bracket plate and then the door from the top hinge bracket The hinge plate pin and plastic bushing will remain in the top hinge plate NOTE The lower hinge plate is under spring tension Once the door s have been removed Insert drawer frame as shown below Once the drawer frame has been inserted the drawer frame module can be installed by tighting the black front and back clamping knobs 2 of each located on the cross rail locks and liner locks Slide the front cross rail locks towards the center of the drawer frame module and allow the liner locks to drop down from the top of the liner Insert the door frame module push towards the back of the unit The entire frame assembly is now installed and ready for use NOTE Repeat process for multiple drawer s inserts Front Clamping VII MICROPROCESSOR CONTROL Your new refrigerator or freezer cabinet is equipped with a state of the art microprocessor control which precisely regulates operation and provides alarms when problems occur It is supplied from the factory completely ready for use and
27. se the arrow keys to set the minutes S 7 u When the correct minutes are displayed press the set button The display will then read LL Clock 4i 4i You can use the up or down arrow es to scroll to the next parameter or press the alarm cancel button to exit lt 1 1 Vil MICROPROCESSOR CONTROL continued VII k SETTING THE DATE The date must be set in order for the data storage memory to correctly log events Follow the instructions to enter the service access code on page 8 When the control displays OHH Thermostat Set Point High press the down arrow gt key RT until the control display reads Date Press the set button The display will show ZI year The right two numbers will be flashing Press the arrow keys a to set the year When the Ji P1 correct year is displayed press the set button o The display will show I IL IL I month The right two num p bers will be flashing Use the arrow keys ATA ME to set the month When the correct month is displayed press the set puttonl The display will show Hi day The right two numbers will be flashing Press the arrow keys S to set the day When the correct day is displayed press the set button The display will then gt E read Date You can use the up or down arrow keys RT emm to scroll to the next parameter press the alarm cancel button to exit x1 VII SETTING DAYLIGHT SAVINGS TIME This pa
28. tomer to adjust the percent of time for the door drawer heater to be On as needed for the prevailing ambient conditions from 0 100 of the time each day It is used to prevent condensation from forming around the perimeter of the drawers The factory default setting is 100 Adjust this set point down to a point just before condensation forms to save energy 7 Alarms See the following pages for explanations e High Cabinet Air Temperature Low Cabinet Air Temperature Loss Of Power Sensor Failure Clean Condenser 8 Display Features 3 Digit LED Display Defrost in Progress Icon Fahrenheit or Celsius Temperature Scale In Use Vil MICROPROCESSOR CONTROL continued VII b ALARM EXPLANATIONS NOTE Explanation of alarms assume the audible alarm style is set at a 3 second burst or a continuous audible alarm References to the audible alarm do not apply if the audible alarm style is set to OFF Refer to page 16 for setting the audible alarm style HIERO Il LLAF IL LHBlanr Lut gor d or High Cabinet Air Temperature The audible alarm will sound and the display will read HI CAb when the temperature inside the cabinet rises above a pre programmed limit The limit is determined by the type of unit being operated i e refrigerator freezer To turn off the audible alarm press the alarm cancel button The visual alarm text will continue to display until the cabinet air temperature falls below the limit If the temperature d
29. tory defaults If after checking the above items and the unit is still not operating properly please contact an authorized Traulsen service agent A complete list of authorized service agents was provided along with your Traulsen unit If you cannot locate this you may also obtain the name of a service agent from the Tech Service page of our website www traulsen com If service is not satisfactory please contact our in house service department at Traulsen amp Co Inc 4401 Blue Mound Road Fort Worth TX 76106 800 825 8220 Traulsen amp Co Inc reserves the right to change specifications or discontinue models without notice X b SPARE PARTS INFORMATION To purchase replacement parts or to speak to service support for Traulsen and most Hobart Refrigeration units please contact our Ft Worth facility by phone at 800 825 8220 or fax to 817 740 6748 parts or 817 740 6757 service To source parts locally follow instructions below for nearest location 1 Log onto www traulsen com 2 Select Service Directory top of screen 3 Select Locate Parts left side of screen 4 Click on State desired To source service support locally follow instructions below for nearest authorized service agent 1 Log onto www traulsen com 2 Select Service Directory top of screen 4 Click on State desired Note When calling for spare parts or service support please make sure you have model and serial number of unit available X c WARRAN
30. ura tion 20 minutes is reached which ever comes first then the defrost hot gas relay is de energized The condenser fan restarts and the hot gas solenoid valve closes The compressor system returns to the cooling mode Total refrigeration system operation is then resumed green snowflake icon goes out and the display will show def for an additional 10 minutes then return to reading the inside cabinet temperature The evaporator fan s are delayed from starting at the termination of the defrost cycle and will automatically resume by time or temp delay 5 minutes or 30 F coil sensor temperature whichever comes first V CARE amp MAINTENANCE IV b FREEZERS continued During freezer defrost operation heat is confined to the coil enclosure to prevent any significant rise in tempera ture within the food zone The fan delay control function upon termination of a defrost cycle is two fold First to prevent blowing warm air into the food storage area Second to prevent any condensation on the defrost coil from being blown into the food storage area The microprocessor control is set from the factory to termi nated defrost at 20 minutes in the event of sensor failure This setting should never be tampered with without first consulting Traulsen s Technical Service department V a CLEANING THE CONDENSER FILTER The most important thing you can do to insure a long reliable service life for your Traulsen is to regularly c
31. y inserted work your way towards the center from both ends by gently hitting with a mallet until the gasket is completely seated in place see figure below for proper gasket placement NOTE The gasket may appear too large but if it is installed as indicated above it will slip into place GASKET ASSEMBLY SIDE DOOR PANEL SOE iSong pm ERE C H0 Wo ast VERTICAL GASKET RETAINER V c CLEANING THE CABINET SURFACES WARNING DISCONNECT ELECTRICAL POWER SUPPLY BEFORE CLEANING ANY PARTS OF THEUNIT Exterior stainless steel should be cleaned with warm water mild soap and a soft cloth Apply with a dampened cloth and wipe in the direction of the metal grain Avoid the use of strong detergents and gritty abrasive clean ers as they may tend to mar and scratch the surface Do NOT use cleansers containing chlorine such as bleach this may promote corrosion of the stainless steel Care should also be taken to avoid splashing the unit with water containing chlorinated cleansers when mopping the floor around the unit For stubborn odor or spills use baking soda and water mixed to a 1 tbsp baking soda to 1 pint water ratio A stainless steel polish is recommended for shining of unit VI DRAWERS VI a REMOVING THE DOOR AND INSTALLING DRAWERS Doors are supplied standard on all TU Series Full Size Un dercounter models However we have engineered our models with a drop in feature that allows you to easily conve
32. zeros with the left zero flashing Press the set button The display will show three zeros with the center zero flashing 3 LJ gt E CJ m LI I Press the down arrow key to sequence through F E d C b A 9 8 7 etc When you reach A press set The display will show zero A zero with the right zero flashing C CJ L t H Press the up arrow key Vas to sequence through 1 2 3 4 5 6 7 8 9 A b etc When you reach 1 press set The display will read LHH thermostat Set Point High Press to view and again to exit You are now in the SERVICE PARAMETERS Vil MICROPROCESSOR CONTROL continued VII f SERVICE PARAMETERS Listed below are the available parameters in the order they appear using the down arrow key on the controller You can c Un D D 3 D at F D O O o O 3 C O D lt un ct O N N o ect O G 3 ect D O cl O 5 N Thermostat Set Point High Defrost Lockout 3 Defrost Lockout 4 Thermostat Set Point Low Temperature Scale Dew Point Compensation Factor FRAP EP odd ayo roy ey We fo Time 24 hour clock a Ed Et AECA re O Tr i IL Room Temperature Offset LL Li L Date month day year Audible Alarm Style J an LI 1 Daylight Savings Cabinet Air Sensor Temp Start Manual Defrost Evaporator Coil Sensor Temp mp ro O Defrost Lockout 1 Discharge Line Sensor Temp CIES
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