THIS MANUAL SHALL BE PERMANENTLY
Contents
1. Check electrical circuit and motor winding for shorted or grounded Investigate for possible overloading Replace fuse after fault is re corrected 3 Thermal overload is tripped Overload is automatically reset Check unit closely when unit resumes normal 4 Magnetic contactor coil is out of order Repair or replace 5 System shut down by safety devices Determine type and cause of shutdown and correct it before resetting safety switch 6 Liquid line or solenoid valve is not Check TXV Repair or replace coil open 7 Compressor Motor drive Check motor if opens windings short turn or burnt and disconnected 8 Loosened wiring Check all wires termination Tighten all the loosened screws 9 of3 Phase system Phase may be Test all conductors continuity lost Compressor 15 1 Liquid refrigerant returns into Check setting of expansion valves unusually crankcase sounded or 2 Refrigerant Pipe is not well erected Provide proper fastener vibrated 3 Compressor mechanism loosened Repair 4 Internal balance springs or Neoprene Replace choke are broken High 1 Condensation fail Rectify cause of fails discharge 2 System is overcharged refrigerant Remove the excessive pressure 3 Fan is off Check electrical circuit 4 Condenser fins are dusty Clean Low 1 Compressor valve is damage Check compression ratio or open it discharge 2 Insufficient refrigerant in system Check leaking and recharge refrigerant OASM2. bulbs lamps or plastic components or the replacement of gaskets or fluorescent tubes 9 2 5 Penalty or additional labour costs for installation removal or repair of the product outside normal working hours All warranty parts requested will be charged to the customer s account unless a warranty claim is approved Standard credit policies will be applied 9 3 Warranty Procedures If your KOLDTECH product is not working while still under warranty and has not been subject to improper use or treatment follow the procedure listed below to obtain repairs Locate the rating plate sticker on your KOLDTECH product to enable you to complete the details on the Warranty Request Form Complete the form with all requested details and faxes a copy to the number shown along with proof of purchase of the product Manufacturer and the authorized reserve the right to reject warranty calls where circumstances fail to meet their warranty conditions 9 4 Parts Ordering and Service Procedures 9 4 1 Replacement Parts Replacement parts are available as shown In Australia In Asia South East Asia and others Tom Stoddart Pty Ltd To contact the nearest dealers or 215 Jackson Road by e mail to the service department Sunnybank Hills Q 4109 Att adms welbilt thailand com Australia factory welbilt thailand com Ph 6173345 5011 Ph 6602 3160770 Fax 61 7 3344 6166 Fax 66 037 294 181 OASM 01 1 C 18 07 05 21 11 06 14 OF 17 The Techn
3. 011 C 18 07 05 21 11 06 10 OF 17 The Technology of Excellence pressure 3 Stop valve is yet closed 3 Open stop valve properly High suction 1 Excessive chilled product 1 Chilled volume to specification pressure 2 Expansion valve overfeeding 2 Check remote bulb Regulate superheat Low suction 1 Lack of refrigerant 1 Check leaking and fix pressure 2 Evaporator is full ofice 2 Defrost system does not work 3 Clogged liquid line 3 Replace Stainer Drier 4 Expansion valve malfunctioning 4 Check and reset for proper superheat 5 Improper TXV 5 Check for proper sizing Compressor 1 Leaking of refrigerant 1 Check leaking and recharge refrigerant loses oil 2 Loosened cylinder ring 2 Replace compressor 3 Refrigerant flood back 3 Maintain proper superheat at compressor 4 Pipesizing or trapping is not correct 4 Re correct piping Compressor 1 Operating beyond design conditions 1 Tuning facilities to the allowable limits 2 Condenser fins are overly dirty 2 Clean Fin coil 3 Overcharged refrigerant 3 Release the excessive is open Evaporator Trouble shooting Symptoms Possible Causes Actions Fan s is not turned 1 switch is open 2 Fuses are blown 3 Motor is out of order 4 Defective Timer or defrost thermostat 5 Unitis in defrosts cycle 6 Coilis not cooled down Room temperature is too 1 Room temp is overly se
4. E NOTED PROJECT we zuo m 3i Menu acturingfThailend lta ome meses memos Yeo jemom pono se pues ges NT s E SHOP DWG FORM 08 09 K 2 a gt j WIRING DIAGRAM RIR 2 RIR 3 SUPPLY 230V 50 60Hz 5 1 POWER SWe LIGHTING DIGITAL INPUT DOOR SW 5 PDTENTIAL RELAY 1 e RUN CAPACITORC20MF gt START CAPACITOR lt 108 130MF gt e LN G GROUND SUPPLY 220Vac 1PH 50Hz PLUG COMPRESS CONDENSOR FAN LIGHTING WELBILT UNLESS OTHERWISE NOTED PROJECT DRAWN MK DATE 23 01 06 ITEM lov 1 O __ WHOLE NO 0 5 ANGLES 30 5 CHECKED No No RIR DESIGN DIMENSIONS ARE IN mm PRODUCT APPROVED P O NO PAGE NO REVISION sd A AS i a SHOP DWG FORM 08 09
5. KOLDTEGH REFRIGERATOR AND FREEZER THIS MANUAL SHALL BE PERMANENTLY KEPT AT END USER PREPARED FOR JOB NR OR PRODUCT SR NR General Operation and Service Manual of Roll In Unit Covering Models as shown RIR 1D RIR 2D RIR 3D OASM 011 C 04 1 07105 The Technology of Excellence CONTENTS Topics Description Page Topics Description Page 1 INTRODUCTION 3 5 TEMPERATURE SETTING 6 2 INSTALLATION amp STARTS UP 3 5 1 Temperature Settings 7 5 2 Controller and Parameter ii 2 1 Uncrating 3 6 ASSEMBLY DRAWING 8 2 2 Handling Issue 3 7 RECOMMENDED PARTS 9 2 3 Installation 3 8 TROUBLE SHOOTING 10 13 TABLES AND TREES 2 4 Draining 4 9 WARRANTY amp SERVICE 14 2 5 Ventilation 4 10 REFRIGERATION 15 DIAGRAM 2 6 Electrical Preparation 4 11 TIMING DIAGRAM 17 2 7 Starting 4 12 VO UTILITY LOCATION F APPLICABLE 2 8 Product Loading 4 13 TIMING DIAGRAM 2 9 Machine Performance 4 14 ELECTRICAL DIAGRAM eN 2 10 Defrosting 4 15 CLAIM FORM 3 PRODUCT CLEANING Tips 4 16 SERVICE RECORD FORM LAST 4 MAINTENANCE SCHDULE 5 Technical depth as italicized Noted page may be limited to dealer use only OASM 011 C 18 07 05 21 11 06 2 OF 17 KOLDTECH The Technology of Excellence 1 INTRODUCTION Thank you for choosing our KOLDTECH product With over 30 years of experience in refrigeration manufacturing we are confident that our product will provide you with
6. ML033S DML033S 6 LIQUID FILTER DRIER PART No 13402 134030 134030 MODEL 17 5 x10 X6R 28 x10 x6R 28 x10 x6R 7 EVAPORATOR COIL PART No 26617510 2662810 2662810 MODEL 10W 10W 10W 8 EVAPORATOR FAN MOTOR PART No 1012910 1012910 1012910 MODEL DIA 8 x5 CW DIA 9 x5 CW DIA 9 x5 CW 9 EVAPORATOR FAN BLADE PART No 10085 10095 10095 MODEL 10 10 10 10 ACCUMULATOR PART No 13510 13510 13510 MODEL XR 60C 5N1CO XR 60C 5N1CO XR 60C 5N1CO 11 DIGITAL CONTROL PART No 0874060 0874060 0874060 MODEL 250 15 250 15 250 15 12 SQUARE LIGHT SWITCH PART No 099102 099102 099102 MODEL 40W220V50Hz 1Ph 40W220V50Hz 1Ph 40W220V50Hz 1Ph 13 LAMP PART No 098140 098140 098140 MODEL 14 DRA TITE ACTION CATCHES PART No 008332 008332 008332 MODEL 1500hm230V 1500hm230V 1500hm230V 15 HEATER CABLE PART No 128150 128150 128150 MODEL G 481 G 481 G 481 TOP HINGES PART No 1186481 1186481 1186481 MODEL G 481 G 481 G 481 RI TOP HINGES PART No 1186481 1186481 1186481 MODEL G 481 G 481 G 481 L2 BOTTOM HINGES PART No 1186481 1186481 1186481 MODEL G 481 G 481 G 481 R2 BOTTOM HINGES PART No 1186481 1186481 1186481 OASM 011 C 18 07 05 21 11 06 90F 17 The Technology of Excellence 8 TROUBLE SHOOTING TABLE AND TROUBLE SHOOTING TREES Symptoms Possible Cause Actions Compressor is Main switch is disconnected Close switch properly not run 2 Fuses are blown
7. alling the unit exposedly to water or high moisture 20 NOT TO Subjectively playing Setting temperature R 3C 13C F 20C 0C 22 NOT TO Touching frozen foods or frozen meta container with bare hands it can cause cold burn 24 NOT TO Unplugging the unit whenever intermediate service needed 26 NOT TO Forgetting all of the mentioned advice C000 C0COCOCO CO CO OOO REV A 27 10 03 SE 16 OF 17 CEL WEN LJ 2 KOLI The Technology of Excellence HO ANYJA Duneuedo euin aunsa peo Jano ZL si peo JI EUM LL GOW Jasa Ayjenuey g s GOW J YeuM 5 aj9A9 8 1 ay9 9 ul ano 9 edA 1soJjep 1soj q HO ano v ue4 c aun yo Jossaidwo9 B y e sq 2 oj Jaye Buluny Joss iduioo aya O S ye Genuo z ve SJnOU o uoneurquJoo yun 17 OF 17 OASM 011 C 18 07 05 21 11 06 Controller application setting parameters Dixell XR60C for Up right chiller Guam p namna 0 s arto gt 1 ous dear aa s 1 caer os C F C F Temperature measurement unit DISPLAY Resolution in integer dE d
8. binations w Lock and unlock the keyboard SET y To enter in programming mode SET return to the room temperature display E Use of LEDS Each LED function is described in the following table ILED MODE FUNCTION JON Compressor enabled Flashing Programming Phase flashing with 96 Anti short cycle delay enabled Detrostenabled id Flashing Programming Phase flashing with Drip time in progress OASM 011 C 18 07 05 21 11 06 6 OF 17 5 3 Changing the Set Point EG The Technology of Excellence 1 Press the SET key for more than 2 seconds to change the Set point value 2 The value of the set point will be displayed and the LED starts blinking 3 To change the Set value pushing the A or w arrows within 10 sec 4 To memorize the new set point value pressing the SET keys again or waits 15 sec 5 4 Alarm Signals Display EE Data or memory failure p Room probe failure Output according to par Con and COF HA Maximum temp alarm Output unchanged LA Minimum temp alarm Output unchanged EA External alarm Output unchanged CA Note Serious external alarm Output OFF The setting of operating temperature and defrost for freezer is already factory set End user self adjustment may void the given warranty unless consult the authorized The parameter setting table herewith given is
9. ec point dE P1 P2 d Probe displayed o A m EL el heater in hot gas 50 50 C 1 120 ore 0 255 min Defrost termination temperatur Maximum length for defrost n a 0 99 min rt it SEt DEF 0 255 min Displaying during defrost a ex 0 120 min n after IdF y immed 0 23 h e 50 50 50 C 58 122 F Lc rE related to set Ab absolute Dey ea 350 6 DIGITAL INPUT EAL extern alarm bAL lock regulat HP PAL press sw dor door sw Digital input configuration EAL dor dEF defrost LHt disabled Htr Cooling heating 0 door switch 1 lock Kind of action when I1f Bal Nps 15 15 regulation 2 15 pressure switch no Fan normal CPr F Compressor status with open door odc no FAn C Compr OFF Room probe display do oo c Evaporator probe digplay __ 2 Softwareretease 5 24 Maneo 2 4 Defrost delay after fast freezing FANS sm om Un o N gt pow _ 4m jj WIRING DIAGRAM RIR 1 SUPPLY 230V 50 60Hz 5 1 POWER SW LIGHTING DIGITAL INPUT DOOR SW Ero H 0 LN G SUPPLY EVAP FAN 220Vac 1PH 50Hz COMPRESSOR ENSOR FAN LIGHTING Paak PLUG HEATER GROUND WELBILT UNLESS OTHERWIS
10. ems should be removed The interior surface and shelves should be cleaned thoroughly Unplug the unit from the power source and leave the doors slightly opened Recommended Maintenance Schedule Frequency Maintenance List Daily Weekly Monthly Clean interior and exterior surfaces X Check operating temperature X Check control panel alarm X Check compressor for vibration Check compressor temperature Check condenser fan Clean condenser coil X OASM 011 C 18 07 05 21 11 06 5 OF 17 The Technology of Excellence 5 TEMPERATURE SETTING 5 1 Your KOLDTECH product is equipped with an electronic thermostat with off cycle designed for refrigeration applications at normal temperature It provides a relay output to drive the compressor and a probe input An internal timer manages the off cycle defrost Tips Recommended preset temperatures for specialized use Flowers 4 C to 8 Confectionery Candy 14 C to 18 C Seafood 1 C to 1 C Meat 2 C to 1 C Cakes 7 C to 10 C Consult factory when needed self adjustment may void the given warranty 5 2 Front Panel Commands SET refers to display target set point in programming mode it selects a parameter or confirms an operation DEF Presses for more 2 seconds to start a manual defrost UP Press to see the maximum stored temperature Y DOWN Press to see the minimum stored temperature Key Com
11. for the purpose of the reference of the DEALER S service or authorized competent service technician only OASM 011 C 18 07 05 21 11 06 7 OF 17 The Technology of Excellence 6 ASSEMBLY DRAWING 08 ang JN SAO N i T EL L1 3 up l 2 gt 9 RIR 1D RIR 2D CROSS SECTION _ FK T 2 RIR 3D OASM 011 C 18 07 05 21 11 06 8 OF 17 The Technology of Excellence 7 RECOMMENDED SPARE PARTS OF KOLDTECH PRODUCT DESCRIPTION refers standard equipped spec ITEM REFRIGEROTOR VOLTAGE 20 Volt Othen Volt FREQUENCY V 50 Cycle 60Cycle RIR 1D RIR 2D RIR 3D MODEL AE4459Y 220V50Hz1Ph AW4495Y 220V50Hz1Ph AW4495YK 220V50Hz1Ph COMPRESSOR PART No 1114459 1114495 1114495 MODEL 11 x12 x4R 14 x14 x4R 23 5 x11 x3R 2 CONDENSER COIL PART No 2541112 2541414 25323511 MODEL 16W 25W 25W 3 FAN MOTOR PART No 1012916 10125 10125 MODEL DIA10 x5 SW V300 28 V300 28 4 CONDENSER FAN BLADE PART No 100105 1100328 1100328 MODEL 293 MM 293 MM 293 MM 5 CONDENSER FAN GRILL PART No 179294 179294 179294 MODEL DML032S D
12. g Hold plug head is suggested 7 NOT TO Having back of the unit press against cord 9 NOT TO Having stuff place on top of the unit 11 NOT TO Using wet hands whilst pluging and unplugging 13 NOT TO Storing flammable or explosive material liquid or gas inside the unit 15 NOT TO Using flammable spray near the unit 17 NOT TO Using the damaged electrical cord 19 NOT TO Placing glass bottle items in freezer 21 NOT TO Attempting to remove the unit with unproper method 23 NOT TO Placing movers hands under the unit when handling to use dolly as necessary when handling 25 NOT TO Replugging so soon but wait for 3 6 minutes allowing the system pressure balance then restart achievement C Program Fires My doc Suradeje CR Safety Notices Safety Notices OASM 011 C 18 07 05 21 11 06 The Technology of Excellence CAUTION 2 NOT TO Repairing or remove without know ho 4 NOT TO Cleaning plug pins by soaked cloth 6 NOT TO Tempering the electric cord 8 NOT TO Having electrical cord trapped under the unit or other machine 10 NOT TO Neglecting securing earthing 12 NOT TO Playing Hanging on door leave 14 NOT TO Storing extremely temperature sensitive stuffs eg medical relevant researching materials 16 NOT TO start up the unit when having gas leakging near by open windows door to firstly dilute gas density is a must 18 NOT TO Inst
13. led to the supply outlet Check for proper supply voltage before plugging in the unit Please refer to voltage requirements on the nameplate of the unit 2 6 2 Plug the unit into the wall outlet Turn the unit on using the on off switch Starting After turning on the unit for the first time if there is any unusual odour heat smoke or vibration immediately turn off and unplug the unit and call for a service technician The unit should be closely monitored during the first hour of operation Product Loading The thermostat is set at the factory for optimum operating temperature Time taken to attain the operating temperature depends on the temperature of the food being loaded the frequency of the door opening ambient temperature etc The unit should reach operating temperature during the first two hours of operation Machine Performance To prevent compressor damage the unit is equipped with a Time Delay Circuit which shall activate the compressor within 3 minutes after turning on the power or after restarting Defrosting Defrosting the circuit is set from the factory for optimum operation Do not attempt to alter the setting PLS NOTE do not disassemble the unit Any service performed by parties other than our authorized may void the warranty 3 PRODUCT CLEANING 3 1 CLEANING Stainless Steel surface P V C and Display Glass Users can wash by lukewarm soapy water or recommended cleaner and later thoroughly rinses or wiping all
14. ology of Excellence 9 4 2 Damages and Shortages Ifthe KOLDTECH product is damaged during transport please contact your dealer a s a p 9 4 3 Service To arrange service on your KOLDTECH product please contact the dealers service department In Australia In Asia South East Asia and others Tom Stoddart Pty Ltd To contact the nearest dealers or 215 Jackson Road by e mail to the service department Sunnybank Hills Q 4109 Att adms welbilt thailand com Australia factory welbilt thailand com Ph 6173345 5011 Ph 6602 3160770 Fax 61 7 3344 6166 Fax 66 037 294 181 10 FUNDAMENTAL REFRIGERATION DIAGRAM 4 CAPILARY TUBE S EVAPORATOR COIL OR 6 ACCUMULATOR ao p Refrigerant Diagram i Keys 1 Motor Compressor 3 FILTER DRIER 2 Condensor 3 Filter Drier 4 Refrigerant Control device 2 5 Evaporator 6 6 Accumulator 5 l 5 a 3 23 DISCHARGE LINE DGOMERESSOR 2 COIL Topic Descriptions Locations 11 ELECTRICAL SCHEMATIC DIAGRAM Last attaching respectively 12 UTILITY INLETS OUTLETS LAYOUT OF THIS UNIT IS N A 13 COMBINATIVE TIMING DIAGRAM 14 COPY OF TEST CERTIFICATE 15 BLANK CLAIM FORM 16 BLANK SERVICE RECORD FORM OASM 011 C 18 07 05 21 11 06 15 OF 17 CAUTION 1 NOTTO Overloading the outlet by multisockets one outlet one appliance 3 NOT TO Spraying the unit with water 5 NOT TO Holding the cord when unpluggin
15. ption no No Hi BE ction as per root cause finding ing commissioning shall b vailable Abnormal Sound during Operation System Operates but no Chilling or Freezing Check securing and all movable S mechanism check type of N Yes refrigerant Se check bearings bush and fan blades Yes check leakage of refrigerant Yes no ction as per root cause finding check temp controller setting amp functioning Yes urrent consumption shall be related to each others record data during commissioning shall be avail 13 OF 17 The Technology of Excellence 9 WARRANTY 9 1 KOLDTECH warrants equipment sold against defects in material and workmanship for a period of twelve 12 months from the date of installation or fifteen 15 months from date of shipment whichever comes first Access to warranty is conditional on the equipment being correctly installed cared for and operated under normal conditions 9 2 The warranty does not cover 9 2 1 Any consequential loss damages or expenses directly or indirectly arising from use or attempted use or from any other cause 9 2 2 Any part of the product which has been subject to misuse neglect alteration incorrect installation accident use of inappropriate chemicals flooding fire or acts of God 9 2 3 Damage caused during transportation 9 2 4 Breakage of glass
16. sor s moving parts It is recommended that the unit be left standing for 48 hours before operation 2 2 2 Inspect and clear away any packing material that may be used to secure the unit during transit 2 3 Installation 2 3 1 Install the unit in a dry well ventilated place away from heat sources or any vibration Ideally for optimum performance we recommend installation in air conditioned premises In the event of high relative humidity condensation may form on the cabinet This will not impact on the OASM 011 C 18 07 05 21 11 06 30F 17 2 4 2 5 2 6 2 7 2 8 2 9 2 10 KOLDTECH The Technology of Excellence ability of the cabinet to maintain internal temperature Should ambient temperature exceed 40 C we cannot guarantee the maintenance of internal temperature to required standards 2 3 2 The unit should be set on a level and firm surface Draining Special models may require drain pipe for condensate water End user should well explore from specification sheet before plugging in and self prepare of drain pipe as appropriate Ventilation ventilating grills or louvers must not be obstructed for proper operation Electrical Work Preparation 2 6 1 For safety reasons the unit must be properly earthed Check and make sure that the outlet is properly grounded Ifa grounded plug is not available a separate earth ground must be installed to prevent any electrical hazard A properly rated circuit breaker should be instal
17. surfaces with water or moistened clothes respectively Finally polish with dry soft cloth OASM 011 C 18 07 05 21 11 06 4 OF 17 The Technology of Excellence 3 2 Note Do not use solvents or other aggressive liquids for cleaning e g with mixture of chlorine or detergent etc Do not use wire brush steel wool or grainy wiping pad such as Scotbrite pad grain 4 MAINTENANCE 4 1 Observe safety practice by disconnecting all electrical supply before performing any kind of maintenance 4 2 Do not use sharp instruments or cleaning agents on the unit Clean interior and exterior surfaces using a damp cloth and warm water Food particles and spillage should be removed as soon as possible to avoid build up and odour 4 3 To ensure efficiency and reliability it is important that the condenser coil be kept clear of accumulated dirt and duct It is recommended to use a non metallic brush vacuum cleaner or air blower to dislodge dust from the condenser fins The frequency of cleaning depends on the amount of dust in the surrounding area of the installation The condenser should be inspected and cleaned at least every month 4 4 Do not expose any electrical components to moisture or water If the unit gets wet turn it off and unplug it from the wall outlet immediately Do not turn it on again until the unit is completely dry or after inspection by a qualified service technician 4 5 Should the unit be left unused for an extended period all food it
18. t high 2 Superheat is too high 3 Refrigerant is shortage 4 Evap Coil is highly ice accumulation enough to reset thermostat 1 Close switch 2 Replace fuses Check cause of short circuits or overload conditions 3 Replace motor 4 Replace defective component 5 Waituntil resuming 6 Adjust fan delay setting or wait until resuming 1 Properly tune thermostat 2 Adjust thermal expansion valve 3 Check fix leaking and Recharge ref 4 Do Manually defrost and check defrost control setting OASM 011 C 18 07 05 21 11 06 11 OF 17 The Technology of Excellence Ice is accumulating on 1 Defrost duration is too long 1 Adjust defrost termination value ceiling around 2 Fan delay does not activate 2 Thermostat is not defrost or adjusted evaporator and or on fan fans after defrost period properly guards venturi or blades 3 Defrost thermostat or timer 3 Replace defective component is out of order 4 Frequently Defrosting action 4 Reduce number of defrost cycle set Evap Coil is not cleared 1 During defrosting Temp of 1 Check heater if operation is normal of frost during defrost Evap coil is lower than cycle freezing temp 2 Cycle of defrost is not 2 Adjust Timer for more defrost cycles enough 3 Adjust defrost thermostat or Timer 3 Defrost cycle too short for longer cycle 4 Defective Timer or defrost 4 Replace defect component thermostat Ice accum
19. ulating in 1 Condensate pan heater is 1 Replace heater drain pan out of order 2 Drainpipeisclogged ofice 2 Clear drain line 3 Drain heater is out of order 3 Replace heater remove clogging 4 Timer thermostat is out of 4 Replace defective component order OASM 011 C 18 07 05 21 11 06 12 OF 17 The Technology of Excellence Troubleshooting Trees Machine Does Not Run fs the main switch off a Y Yes check the correct power supply to the machine Yes check continuity of supply cords amp protection fuse Yes check cap start and cap run and magnetic contactors Yes check control board wiring continuity and termination Yes ction as per root cause finding OASM 011 C 18 07 05 21 11 06 Turn on the Does machine itch meet sufficient No SWIC refrigerant J E consumption shal related to each others record data Overly High or Isolator Overly Low Pressure Trips Oftenly recharge the Check overload is refrigerant set sufficiently e Yes Yes check suction repair the check overly pipes that no T squeezed point charging sqeezed or or bottle refrigerant blazing clogged necked point check TXV for Dee check moisture based Yes i recharge wdg if restriction system shorted turn no check refrigerant check earth leakage and leaking amperage consum
20. years of trouble free operation Our products are fully engineered to be amongst the best in the industry We also continually improve our product designs to ensure they continue to take advantage of the latest in refrigeration design Every unit is fully tested in our calibrated testing laboratory prior to leaving our factory As with other precision equipment proper care and operation will ensure years of trouble free service It is essential that you spend time reading this manual before operating the machine to familiarize yourself with our product and safety procedures Keep the manual where end user could see and locate We thank you again for choosing KOLDTECH If you have any further questions please feel free to call the dealer from whom you purchased the unit Our address and telephone number can be found under the Service and Repair information section 2 INSTALLATION AND START UP The following procedure should be followed for trouble free installation 2 1 Uncrating While unpacking take note of any damage to the unit If damage is found do not discard the packing materials and notify your dealer or the freight company a s a p Do not proceed to install the unit 2 2 Handling Issue 2 2 1 Precaution has been taken to ship the unit in an upright position If the unit is tilted during transit lubricating oil may shift from the reservoir and operating the unit may cause excessive wear or damage to the compres
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