Revision - Cornelius
Contents
1. 210 e RIVERWOOD e NSW 2210 AUSTRALIA e 61 2 533 3122 e FAX 61 2 534 2166 AUSTRIA AM LANGEN FELDE 32 e A 1222 e VIENNA AUSTRIA e 43 1 233 520 e FAX 43 1 2335 2930 BELGIUM e BOSKAPELLEI 122 e B 2930 BRAASCHAAT BELGIUM e 32 3 664 0552 e FAX 32 3 665 2307 BRAZIL e RUA ITAOCARA 97 e TOMAS COELHO e RIO DE JANEIRO BRAZIL e 55 21 591 7150 e FAX 55 21 593 1829 ENGLAND e TYTHING ROAD ALCESTER WARWICKSHIRE B49 6 EU ENGLAND e 44 789 763 101 FAX 44 789 763 644 FRANCE e 71 ROUTE DE ST DENIS e F 95170 DEUIL LA BARRE e PARIS FRANCE e 33 1 34 28 6200 e FAX 33 1 34 28 6201 GERMANY e CARL LEVERKUS STRASSE 15 e D 4018 LANGENFELD GERMANY e 49 2173 7930 FAX 49 2173 77 438 GREECE e 488 MESSOGION AVENUE e AGIA PARASKEVI e 153 42 e ATHENS GREECE e 30 1 600 1073 e FAX 30 1 601 2491 HONG KONG e 1104 TAIKOTSUI CENTRE e 11 15 KOK CHEUNG ST e TAIKOKTSUE HONG KONG e 852 789 9882 FAX 852 391 6222 ITALY e VIA PELLIZZARI 11 1 20059 e VIMARCATE ITALY e 39 39 608 0817 e FAX 39 39 608 0814 NEW ZEALAND e 20 LANSFORD CRES PO BOX 19 044 AVONDALE AUCKLAND 7 NEW ZEALAND e 64 9 8200 357 FAX 64 9 8200 361 SINGAPORE e 16 TUAS STREET e SINGAPORE 2263 e 65 862 5542 e FAX 65 862 5604 SPAIN e POLIGONO INDUSTRAIL e RIERA DEL FONOLLAR E 08830 SANT BOI DE LLOBREGAT BARCELONA SPAIN 34 3 640 2839 e FAX 34 3 654 3379 USA e ONE CORNELIUS PLACE ANOKA MINNESOTA e 612 421 6120 e FAX 62. deals N 14 TROUBLESHOOTING un au ein visa ted EROS 17 DAIRY PRODUCT IN LINES 17 COMPRESSOR DOES OPERATE 17 COMPRESSOR WILL NOT STOP AFTER GLYCOL COOLANT HAS REACHED RECOMMENDED 265 F TO 285 TEMPERATURE 18 i 0622 TABLE OF CONTENTS cont d Page COMPRESSOR OPERATES CONTINUOUSLY BUT DOES NOT LOWER GLYCOL COOLANT 265 F TO 285 F 18 CONDENSER FAN MOTOR NOT OPERATING 18 WARRANTY aa ua 19 LIST OF FIGURES FIGURE 1 PYTHON FOR DAIRY PRODUCT COOLING 9 FIGURE 2 PARTS IDENTIFICATION 15 FIGURE 3 WIRING DIAGRAM 16 LIST OF TABLES TABLE 1 DESIGN DATA a cut dao Mt RSV E UA 3 TABLE 2 LOOSE SHIPPED PARTS 7 0622 ji SAFETY INFORMATION Recognize Safety Information This is the safety alert symbol When you see this symbol on our machine or in this manual be alert to the potentially of personal injury Follow recommended precautions and safe operating practices Understand Signal Words signal word DANGER WARNING OR CAUTION is used with the safety alert symbol DANGER identi fies the Most serious hazards Safety signs with signal word DANGER or WARNING A WA R N i N G are t
3. Glycol coolant at recommended 26 F to 28 F temperature Cooling Unit power cord unplugged No Power source blown fuse or tripped circuit breaker Low voltage Loose disconnected or broken wiring Overload protector cut out over heated compressor Condenser fan motor not operating as reguired Inoperative overload protector or start relay Inoperative glycol tank temperature control Inoperative compressor 17 gt Remedy Glycol coolant in Cooling Unit tank should be maintained between 26 F to 28 F Adjust temperature as instructed Make sure power cord is plugged in or circuit fuse is not blown or circuit breaker is not tripped Make sure Power cord is plugged in or repair or replace pump or motor Repair Cooling Unit refrigeration system Refrigeration not called for Plug in Cooling Unit power cord Replace fuse or reset circuit breaker Voltage must be at least 103 volts at compressor terminals when compressor is trying to start Tighten connections or replace broken wiring Compressor will cool enough to restart Refer to CONDENSER FAN MOTOR NOT OPERATING in this section Replace inoperative part Replace glycol tank temperature control Replace compressor 0622 Trouble Probable Cause Remedy COMPRESSOR WILL NOT A Glycol tank temperature A Replace glycol tank temperature STOP AFTER GLYCOL control inoperative control COOLANT HAS REACHED
4. RECOMMENDED 26 F TO 28 F TEMPERATURE B Glycol tank temperature B Replace glycol tank temperature control stuck in closed control position COMPRESSOR OPERATES A Cooling Unit located in A Refer to IMPORTANT note at CONTINUOUSLY BUT DOES excessively hot area start of SELECTING NOT LOWER GLYCOL COOLING UNIT LOCATION in COOLANT TO 26 F TO 28 F INSTALLATION SECTION B Air circulation through B Clean condenser coil as condenser coil restricted instructed NOTE If overload protector cuts out compressor condenser fan motor will continue to operate otherwise troubleshooting condenser fan motor problems are same as for COMPRESSOR DOES NOT OPERATE paragraph plus the following CONDENSER FAN MOTOR A Jumper cord loose or A Tighten connections or replace NOT OPERATING disconnected from condenser cord fan motor or compressor terminals Broken wire in cord B Fan blade obstructed B Remove obstruction Inoperative condenser fan C Replace condenser fan motor motor 0622 WARRANTY IMI Cornelius Inc warrants that all eguipment and parts are free from defects in material and workmanship un der normal use and service For a copy of the warranty applicable to your Cornelius Remcor or Wilshire prod uct in your country please write fax or telephone the IMI Cornelius office nearest you Please provide the eguipment model number serial number and the date of purchase IMI Cornelius Offices AUSTRALIA e
5. 3 INSTALLATION Sa diu aa asa hama A mer DAN DS 7 UNPACKING AND INSPECTION 7 SELECTING COOLING UNIT 7 INSTALLING SYSTEM 8 PLACING COOLING UNIT IN OPERATING LOCATION 8 FILLING COOLING UNIT TANK WITH FOOD GRADE PROPYLENE GLYCOL TYPE ANTIFREEZE eR en Gen CE Gc 8 STARTING COOLING UNIT REFRIGERATION SYSTEM 8 STARTING PROPYLENE GLYCOL ANTI FREEZE CIRCULATING SYSTEM 9 OPERATORS INSTRUCTIONS 11 OPERATING CONTROL 255524 iai es 11 GLYCOL CIRCULATING PUMP POWER SWITCH 11 COOLING UNIT MAINTENANCE 11 CLEANING CONDENSER COIL He e a es 11 REPLENISHING COOLING UNIT GLYCOL COOLANT 11 CLEANING COOLING UNIT EXTERIOR 11 DUBRIGATION aote tenes ass tad aaa mom a ances 11 SERVICE AND MAINTENANCE 13 ADJUSTING COOLING UNIT GLYCOL COOLANT TEMPERATURE 13 COOLING UNIT MAINTENANCE 13 REMOVAL OF DROP IN REFRIGERATION ASSEMBLY 13 CLEANING CONDENSER COIL ita 13 CLEANING COOLING UNIT EXTERIOR 14 REPLENISHING COOLING UNIT GLYCOL COOLANT TANK 14 LUBRICATION z a ae
6. INTENTIONALLY 0622 6 INSTALLATION UNPACKING AND INSPECTION NOTE The Cooling Unit was thoroughly inspected before leaving the factory and the carrier has accepted and signed for it Any damage or irregularities should be noted at time of delivery or not later than 15 days from date of delivery and immediately reported to the delivering carrier Reguest a written inspection report from Claims Inspector to substantiate any necessary claim File claim with the delivering carrier not with IMI Cornelius Inc 1 After Cooling Unit has been unpacked remove shipping tape and other packing material 2 Unpack LOOSE SHIPPED PARTS Make sure all items are present and in good condition The following loose shipped parts are shipped with kit number 0576 Table 2 Loose Shipped Parts AE A roz O Ca on ring an 4 Ta Hama e orraosooo s 020070000 muere 134 10x 78 20081000 uba hedaon inch Dx awa 0622 Installation Instructions The product tubing cement and tape for sheath splices and vinyl tape will not be shipped with the unit It must be supplied by the parent product company The insulation and cooling lines must be assembled by qualified personnel only SELECTING COOLING UNIT LOCATION Locate Cooling Unit so the following requirements are satisfied IMPORTANT Ambient temperature for Cooling Unit must not exceed 100 F Several
7. means are available to achieve proper ambient temperature and air circulation around the Cooling Unit which are wall air intake grilles and ceiling exhaust fans air conditioning etc Check local codes 1 Cooling Unit must be installed near a properly grounded electrical outlet with proper electrical requirements fused at 20 amps slow blow or circuit connected through an equivalent HACR circuit breaker No other electrical equipment should be connected to this circuit ALL ELECTRICAL WIRING MUST CONFORM TO NATIONAL AND LOCAL ELECTRICAL CODES Note circulating air required to cool the refrigeration condenser coil is drawn in through a grille on the front and is exhausted out through grille on top of the hood Restricting air in and out of the Cooling Unit will decrease it s cooling efficiency op 0622 2 Aminimum of 15 inches clearance must be maintained above the Cooling Unit to the nearest obstruction shelf cupboard ceiling etc The front grille of the Cooling Unit must be unobstructed to allow air to enter the hood INSTALLING SYSTEM IMPORTANT To insure maximum heat transfer and cooling of dairy product line U BEND FITTING item 4 should be positioned as close as possible to the inlet on the freezer The coolant circulating lines should be held in contact with the dairy product line by spiral wrapping them in place with vinyl tape one turn every six to twelve inches To meet National Sanitation Foundation NSF
8. see Figure 2 in ON up position to start circulating pump After insulated glycol circulating system is in operation continue adding industrial grade propylene glycol type anti freeze and water at a 1 to 1 ratio to Cooling Unit tank until coolant is at level described when filling tank Note circulating pump for quietness of operation A noisy pump and air bubbles in return line during operation indicates air is being drawn into system on pump inlet side If pump is noisy and air bubbles are present check pump inlet tube connection for misaligned gasket or burr on fitting OPERATING PUMP IN SYSTEM CONTAINING AIR BUBBLES WILL EVENTUALLY RESULT IN PUMP DAMAGE Check glycol circulating system connections for leaks and repair if evident Using INSULATING TAPE Item 9 insulate glycol feed line connection to Cooling Unit glycol circulating pump and glycol return line connection to Cooling Unit FAILURE TO INSULATE LINES WILL CAUSE LINES SWEATING FROST ACCUMULATION AND GLYCOL TO WARM UP Install Cooling Unit hood and secure with screw CEMENT AND TAPE PRODUCT TUBE SHEATH SPLICES TYP YUBNAEGOND Cue C f 2 NNNNNNNNNN xl NNNNNNNNN NNNN GLYCOL LINES 2 Bm ATEX SHEATH CLAMPS 40 FT TOTAL SHEATH SPIRAL WRAP COOLING LINES TO PRODUCT LINE WITH VINYL TAPE 1 TURN EVERY 6 TO 12 INCHES PRODUCT LINE SECTION FIGURE 1 PYTHON FOR D
9. 12 422 3255 LD004 4 21 98 19 0622 IMI CORNELIUS INC AA CORPORATE HEADQUARTERS One Cornelius Place Anoka Minnesota 55303 6234 612 421 6120 800 238 3600
10. AIRY PRODUCT COOLING 9 0622 THIS PAGE LEFT BLANK INTENTIONALLY 0622 10 OPERATORS INSTRUCTIONS This section covers Cooling Unit operating controls adjustments and Cooling Unit maintenance OPERATING CONTROL GLYCOL CIRCULATING PUMP POWER SWITCH Glycol circulating pump power switch located on side of Cooling Unit must be in ON up position before pump will operate Place switch in OFF down position to stop pump COOLING UNIT MAINTENANCE CLEANING CONDENSER COIL NOTE Circulating air required to cool the refrigeration system condenser coil is drawn in through grille on front and is exhausted out through grille on top of the hood Restricting air in and out of Cooling Unit will decrease its cooling efficiency The Cooling Unit hood top and front grilles must be kept free of obstructions at all times Make sure nothing is stored on top or in front of hood Refrigeration condenser coil should be periodically cleaned as instructed to maintain cooling efficiency REPLENISHING COOLING UNIT GLYCOL COOLANT TANK The Cooling Unit tank glycol coolant should be periodically checked and if necessary added to as instructed CLEANING COOLING UNIT EXTERIOR The Cooling Unit exterior should be periodically cleaned as instructed 11 0622 THIS PAGE LEFT BLANK INTENTIONALLY 0622 12 SERVICE AND MAINTENANCE This section describes service and maintenance procedures to be performed on the Cooling Unit IMPORTANT Only p
11. Comet Glycol Cooling Unit 0622 3 17 93 06 30 95 November 13 1995 converted to interleaf and forwarded to gary for graphics Converted document to newcat format DA Corrections were made to this manual to comply with IDO installatuions These changes were made on 10 20 95 Approval of this manula was received from Scott Zinnel IDO amp Luther Romo PHT on 11 10 95 04 24 98 Installed new front cover and revised warranty page to manual C Za REMCOR IMI CORNELIUS INC m One Cornelius Place a Anoka MN 55303 6234 Telephone 800 238 3600 Facsimile 763 422 3246 Installation Service Manual UCGR GLYCOL COOLING UNIT Part No 569000330 January 10 2001 THIS DOCUMENT CONTAINS IMPORTANT INFORMATION This Manual must be read and understood before installing or operating this eguipment PRINTED IN U S A TABLE OF CONTENTS Page SAFETY INFORMATION 1 RECOGNIZE SAFETY INFORMATION 1 UNDERSTAND SIGNAL 1 FOLLOW SAFETY INSTRUCTIONS 1 CO2 CARBON DIOXIDE WARNING 1 SHIPPING STORING OR RELOCATING 1 GENERAL INFORMATION 3 GENERAL DESCRIPTION sauna anta ira 3 COOLING UNIT DESCRIPTION Ge a 3 THEORY OF OPERATION Ebr dud
12. RESSOR THERMOSTAT ADJUSTMENT ACCESS HOLE CONDENSER COIL DROP IN L om Ben DROP IN REFRIGERATION gi ASS Y f Q YA 0 0 NE o N SAAS EE S SHIPPING 4 2 NUTS 4 GLYCOL CIRCULATING gt 2d DS TGLYCOL FILL ke HOLE PLUG I R ESS S S 58 SE o gt D POWER 19 N CORD SD GLYCOL gt RETURN A LINE A DRIP TRAY S DRAIN HOSE 2 CIRCULATING PUMP POWER SWITCH GLYCOL CIRCULATING PUMP MOTOR FIGURE 2 PARTS IDENTIFICATION 15 0622 90 GREEN TERMINAL COMPRESSOR BEOGK JUMPER CORD SWITCH BOX 9 3 OUTLET ADAPTOR CONDENSOR FAN MOTOR THERMOSTAT PUMP MOTOR FIGURE 3 WIRING DIAGRAM TROUBLESHOOTING WARNING Disconnect electrical power from Cooling Unit to prevent personal injury before attempting any internal maintenance Only gualified Personnel should service internal components or electrical wiring TROUBLESHOOTING DIARY PRODUCT SYSTEM Trouble DAIRY PRODUCT IN LINES A TOO WARM D Probable Cause Cooling Unit tank glycol coolant too warm Cooling Unit power cord unplugged or electrical circuit fuse blown or circuit breaker tripped Glycol circulating pump power cord unplugged switch in OFF position or inoperable pump or motor Inoperable Cooling Unit refrigeration system TROUBLESHOOTING COOLING UNIT REFRIGERATION SYSTEM COMPRESSOR DOES NOT A OPERATE
13. approval the ends of the RUBATEX INSULATION item 8 must be taped closed around the dairy product and coolant circulating lines It is important that NO circulating room air come in contact with the glycol coolant lines Therefore the coolant truck line must be completely sealed PLACING COOLING UNIT IN OPERATING LOCATION 1 Place Cooling Unit in operating location meeting reguirements of SELECTING COOLING UNIT LOCATION 2 Install SWIVEL NUT Item 4 and NIPPLE item 5 on end of glycol feed line Secure connection with TUBING CLAMP Item 3 3 Connect glycol feed line with swivel nut on its end to 3 8 flare 5 8 18 male outlet fitting on Cooling Unit glycol circulating pump Seal connection with TAPERED GASKET BLACK Item 6 4 Connect glycol return line to barbed fitting in end of glycol return line protruding out front of Cooling Unit Secure connection with TUBING CLAMP Item 3 FILLING COOLING UNIT TANK WITH FOOD GRADE PROPYLENE GLYCOL TYPE ANTIFREEZE WARNING Use food grade propylene glycol type anti freeze such as Cornelius P N 111521000 or equivalent only Use of other than food grade propylene glycol type anti freeze such as ethylene glycol automotive type anti freeze in Cooling Unit glycol tank and circulating system will create a health hazard 1 Loosen screw securing Cooling Unit hood then lift hood straight up to remove 2 Remove plug from drop in refrigeration assembly platform glycol fill hole 3 Fill Co
14. emove four shipping nuts securing drop in refrigeration assembly in lower housing 2 3 4 5 Lift drop in refrigeration assembly up and out of Lower housing 6 Install drop in refrigeration assembly by reversing removal procedure 7 Plug Cooling Unit power cord into electrical outlet 8 Install Cooling Unit hood and secure with screw CLEANING CONDENSER COIL NOTE Circulating air required to cool the refrigeration condenser coil is drawn in through grille on front and is exhausted out through grille on top of hood Restricting air in and out of Cooling Unit will decrease its cooling efficiency IMPORTANT Cleaning condenser coil should be performed during non dispensing period 13 0622 1 Unplug Cooling Unit power cord from electrical outlet Loosen screw securing Cooling Unit hood then remove hood Vacuum or use soft bristle brush to clean condenser coil If available use low pressure compressed air Install hood on Cooling Unit and secure with screw Qv wm e D Plug Cooling Unit power cord into electrical outlet CLEANING COOLING UNIT EXTERIOR Periodically wash all external surfaces of Cooling Unit rinse with clean water then wipe dry with a clean soft cloth DO NOT USE ABRASIVE TYPE CLEANERS REPLENISHING COOLING UNIT GLYCOL COOLANT TANK 1 Unplug Cooling Unit power cord from electrical outlet WARNING Use food grade propylene glycol type anti freeze such as Cornelius P N 111521000 or equivalent only Use of ot
15. her than food grade propylene glycol type anti freeze such as ethylene glycol automotive type anti freeze in Cooling Unit glycol tank and circulating system will create a health hazard 2 Loosen screw securing Hood on Cooling Unit then remove hood 3 Remove plug from drop in refrigeration assembly platform glycol fill hole 4 Fill Cooling Unit tank with coolant made up of 1 to 1 ratio of food grade propylene glycol type antifreeze and water solution until coolant runs out of overflow notch in top front corner of tank This coolant mixture when checked with a hydrometer will read 28 F USE LOW MINERAL CONTENT WATER WHERE A LOCAL WATER PROBLEM EXISTS MAKE SURE GLYCOL TANK IS COMPLETELY FILLED WITH COOLANT BEFORE STARTING THE COOLING UNIT 5 Install plug in drop in refrigeration assembly platform glycol fill hole 6 Install hood on Cooling Unit and secure with screw 7 Plug Cooling Unit power cord into electrical outlet LUBRICATION The Glycol circulating pump motor bearings must be oiled periodically Refer to oiling instructions on motor DO NOT OVER OIL 0622 14 HOOD RETAINING SCREW 8 O RING 4 SS 2 3 o NS N Sy S aN SN lt CONDENSER FAN MOTOR GRILLE 3 SS ELECTRICAL CONTROL BOX COMP
16. lant is cooled by the Cooling Unit and is circulated through the glycol lines to each freezer The glycol lines and the dairy product mix lines are covered with insulation and the dairy product mix lines are kept cool by the glycol lines Direction of glycol coolant flow is from the Cooling Unit glycol tank through glycol circulating pump out through glycol feed line to each freezer and back through glycol return line to the Cooling Unit 3 0622 90 NOTE FOR GLYCOL CONNECTION DETAIL SEE FIGURE B COMET GLYCOL COOLING UNIT INSTALLED ON TOP OF COOLER BOX SUGGESTED COMET GLYCOL INSTALLATION COOLING UNIT COOLANT MIXTURE GLYCOL COOLANT FREEZER 6 PRODUCT LINES 6 Walk In Cooler LINE LEGEND GLYCOL DAIRY PRODUCT Dairy Product Cooling System To Freezer COMET GLYCOL COOLING UNIT INSTALLED ON TOP OF COOLER BOX SUGGESTED INSTALLATION Trunk Lines to Freezers COMET GLYCOL COOLING UNIT C gt m N 03 aN N e GLYCOL WATER COOLANT MIXTURE 8 2 722744747 NA 6 A 4 GLYCOL COOLANT CIRCULATING p Product Lines Walk In Cooler 90 THIS PAGE LEFT BLANK
17. nside the Unit to freeze resulting in damage to internal components of the Unit 1 0622 THIS PAGE LEFT BLANK INTENTIONALLY 0622 2 GENERAL INFORMATION IMPORTANT To the user of this manual This manual is a guide for installing operating and maintaining this system Refer to Table of Contents for page location of detailed information pertaining to guestions that arise during installation operation service and maintenance or troubleshooting this Cooling Unit GENERAL DESCRIPTION This section gives the description and theory of operation for the UCGR Glycol Cooling Unit hereafter referred to as a Cooling Unit COOLING UNIT DESCRIPTION The UCGR Glycol Cooling Unit consists basically of a refrigeration system with a 1 2 horsepower compressor a refrigerated glycol holding tank to cool the glycol water solution and a glycol circulating pump to circulate cold glycol water solution coolant out and back through the dairy products system Table 1 Design Data Cooling Unit Model Number Overall Dimensions Width 16 1 4 inches Height 27 5 8 inches Depth 24 1 2 inches Weights approximate Shipping Weight 106 Pounds Dry Weight Capacity Glycol Tank Refrigeration System Refrigerant Type and Charge Ambient Operating Temperature 40 F to 100 Electrical Requirements me EN i Operating Voltage 115VAC 60Hz Operating Current 12 Amps THEORY OF OPERATION Food grade propylene glycol antifreeze water solution coo
18. oling Unit tank with coolant made up of a 1 to 1 ratio of FOOD GRADE PROPYLENE GLYCOL TYPE ANTI FREEZE and water solution coolant until coolant runs out of overflow notch in top front corner of tank This coolant mixture when checked with a hydrometer will read 28 F USE LOW MINERAL CONTENT WATER WHERE A LOCAL WATER PROBLEM EXISTS MAKE SURE GLYCOL TANK IS COMPLETELY FILLED WITH COOLANT BEFORE STARTING COOLING UNIT STARTING COOLING UNIT REFRIGERATION SYSTEM WARNING The Cooling Unit must be electrically grounded to prevent possible fatal electrical shock or serious injury to personnel The Cooling Unit power cord is equipped with a three prong plug If a three hole grounded electrical outlet is not available use an approved method to ground the unit 0622 8 Make sure glycol circulating pump power switch on side of Cooling Unit see Figure 2 is in OFF down position Plug Cooling Unit power cord into refer to WARNING note properly grounded electrical outlet with proper electrical requirements ADDITIONAL ELECTRICAL EQUIPMENT MUST NOT BE CONNECTED TO THIS CIRCUIT Allow Cooling Unit refrigeration system to operate for two hours then check temperature of coolant If coolant temperature has not dropped to 26 F to 28 F temperature control thermostat will have to be adjusted as instructed STARTING PROPYLENE GLYCOL ANTI FREEZE CIRCULATING SYSTEM 1 Place Cooling Unit glycol circulating pump power switch
19. roperly trained personnel should service Cooling Unit internal components and electrical wiring WARNING Disconnect electrical power to Cooling Unit to prevent personal injury before attempting any internal maintenance Only gualified personnel should service internal components or electrical wiring ADJUSTING COOLING UNIT GLYCOL COOLANT TEMPERATURE NOTE Cooling Unit tank glycol coolant temperature must be maintained at 26 F to 28 F for proper cooling of dairy products lines 1 Loosen screw securing Cooling Unit hood then remove hood for access to control box cover 2 Insert screwdriver through hole in control box cover and place in thermostat control slotted adjustment screw Turn adjustment screw to the right clockwise to next higher setting for a colder coolant temperature or turn adjustment screw to the left counterclockwise to next lower setting for a warmer coolant temperature 3 Allow Cooling Unit to operate for at least two hours after adjustment Recheck coolant temperature and adjust thermostat control as many times as necessary until proper coolant temperature has been achieved 4 Install Cooling Unit hood and secure with screw COOLING UNIT MAINTENANCE REMOVAL OF DROP IN REFRIGERATION ASSEMBLY 1 Unplug Cooling Unit power cord from electrical outlet Loosen screw securing Cooling Unit hood then lift hood straight up to remove Unplug refrigeration assembly power cord from Cooling Unit power cord R
20. ypically near specific hazards General precautions are listed on CAUTION safety signs CAUTION also calls attention to safety mes A CAUTI O N sages in this manual Follow Safety Instructions Carefully read all safety messages in this manual and on your machine safety signs Keep safety signs in good condition Replace missing or damaged safety signs Learn how to operate the machine and how to use the controls properly Do not let anyone operate the machine without instructions Keep your machine in proper working condition Unauthorized modifications to the machine may impair function and or safety and affect the machine life CO Carbon Dioxide Warning CO Displaces Oxygen Strict Attention must be observed in the prevention of CO carbon dioxide gas leaks in the entire CO and soft drink system If a gas leak is suspected particularly in a small area immediately ventilate the contaminated area before attempting to repair the leak Person nel exposed to high concentration of CO gas will experience tremors which are followed rapidly by loss of consciousness and suffocation Shipping Storing Or Relocating Unit CAUTION Before shipping storing or relocating this Unit the syrup systems must be sanitized and all sanitizing solution must be purged from the syrup systems All water must also be purged from the plain and carbonated water systems A freezing ambient temperature will cause residual water remaining i
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