Hobart HQC45 User's Manual
Contents
1. ETHOD 1 AUTO 3 EXIT Freeze mode operates exactiv like chillmode Use the menus on page 7 except CHILL is replaced bv FREEZE Different target temperature and air set point mav be entered in Set Up Mode Different temperature ranges are available for chill and freeze modes After a Freeze cvcle is complete the cabinet goes into Freezer Hold mode 3 DEFROST MODE From the main menu press 3 EFROST YES EFROSTING 00 18 42 DEFROST CYCLE ACKNOWLEDGE To begin a manual defrost cycle press YES Pressing NO will return to the main menu The top line of the display indicates defrost mode is in progress The coil temperature and the time remaining in the Defrost cycle are displayed on the bottom line Once it has begun the Defrost cycle cannot be stopped The Defrost cycle ends when either the coil temperature reaches the Defrost Termination Temperature or when the Defrost Termination Time has elapsed factory setting is 20 minutes The Buzzer sounds for two minutes or until IMUTEJ is pressed Press YES and return to the main menu NOTE Different factors influence the ideal frequency of defrost cycles When you see some frosting on the coil in the cabinet behind the louvers a Defrost cycle should be performed If the Defrost cycle is skipped air circulation in the cabinet will be reduced and chilling or freezing times will2. Top Bottom Probe Probe 34 IR 25 ILL CYCLE 45 37 AUTO 01 25 45 EMOVE FOO ILL CYCLE E MOVE FOO To begin Automatic Chill press YES The top row displays the food probe temperatures The left value corresponds to the top probe the right value corresponds to the bottom probe etc The temperature of the air the AUTO mode indicator and the chill cycle time are displayed on the bottom row The compressor operates to cool the air down to the selected blasting air temperature in Chill mode As each probe reaches the target temperature in Chill mode an asterisk displays next to its temperature display and the buzzer sounds for two minutes or until the MUTE key is pressed The cycle continues until all probes have reached the target temperature If you press the STOP key during a chill cycle the display at left allows you to press YES and return to the main menu When the Automatic Chill ends buzzer sounds for two minutes Pressing YES returns to the main menu If you do not press YES within two minutes the cabinet goes to Cooler Hold mode 1 2 MANUAL CHILL Timed chill cycle From the main menu press 1 2 EADY RS 10 MI TO CHILL EADY 00 HOURS 45 MI ILL TO CHILL 58 65 MAN 01 09 59 CYCLE E
3. HQC45 QUICKCHILL HQCF45 QUICKCHILL FREEZER amp HQC90 QUICKCHILL MODEL HQC45 ML 124061 HQCF45 ML 124062 HQC90 ML 124063 TROY OHIO 45374 0001 937 332 3000 www hobartcorp com FORM 34523 July 2000 Model HQC45 Model HQCF45 QuickChill QuickChill Freezer Model HQC90 QuickChill With Legs With Casters Table of Contents Generali a a 3 Installation et a A te he Aaa 4 Unerating ia a ii 4 Legs or CasterS ooooccocccoc E E ERA E a ERE AA A Dt 4 EOC AMO Riso ir A A a a ee 5 ESAS A aa a a a A a AO 5 Electrical Connections sssrin erot Seats a ae a tat a 6 Installation of Remote Alarm 0 0 a 6 Installation Checkout 0 0 0 0 eens 6 Opera ramo Sock ee ee a o doe ia 7 Or Main MERU Eis otitis bina ila tate cara Ba ds a a Grae a 7 A G IlLMOQE ect ri hot booted tnt we te ae ates aunt AAA 7 1 1 Automatic Chill Levi is A add 8 12 Manual Chillida ds Baal ok Gas 8 2 Freeze Moda iii e a aa e E a haar 9 3 Defrost ModE im A A a A a aida da 9 A AOI MOGs sce ras a a tios 9 5 Set Up Mode oocccccccco teenies 10 Print Modest ia nta dadas ad hina 11 Printer Papetes bus loas 11 Loading Printer Papet isa cos ia ili jA TA oasi ows bowen ba bie 11 Setting the Time and Date 0 0 eee 11 Maintenance mi kiri ea taqel inde a aa A i Bit b Tr f Kon i Bit 12 A i i i e e Br a aa Baa GR 12 Condenser Goll lii a A a A A hae ee 12 Evaporator Coil Condensate Loop and Condensate Remov
4. MOVE FOOI If the chill time setting is OK press YES to begin If you want to reset the chill time press CLEAR Enter the chill time as a pair of two digit numbers HH MM where HH hours and MM minutes Use a leading zero for single digit numbers Press YES If the chill time setting is OK press YES to begin The top row displays the food probe temperatures The temperature of the air the MANUAL mode indicator and the countdown time are displayed on the bottom row The compressor operates to cool the air down to the selected blasting air temperature in Chill mode As each probe reaches the target temperature in Chill mode an asterisk displays next to its temperature display and the buzzer pulses two seconds on two seconds off for two minutes The Chill cycle continues until the set time has elapsed If you press the STOP key during a chill cycle the display at left allows you to press YES and return to the main menu When the Manual Chill ends the buzzer sounds for two minutes Pressing YES returns to the main menu If you do not press YES within two minutes the cabinet goes to Hold mode NOTE For better performance precool the cabinet by operating in Hold mode prior to loading product A message displays ERR when the probe needs to be replaced or when its temperature is out of range 2 FREEZE MODE From the main menu press 2 when available
5. N 2 0FF blasting air temperature is raised to 28 F during the last third of a timed manual chill cycle or when all three probes are within 5 F of the target temperature during an automatic chill cycle Range of Acceptable Values Preset Value 1or2 2 Off Select 1 or 2 Press YES or NO to return to the main menu PRINT MODE Pressthe PRINT key This mode can be accessed at any time without interrupting the ongoing chill cycle Select between printing a report including all chill data since 12 00 midnight or only the previous chill cycle SELECT PRINT MODE 1 24 HR 2 LAST CHILL Press 0 to report all probes Or press 1 2 or 3 to report only the selected probe The display returns to whatever menu was displayed before the PRINT key was pressed NOTE Do not pull paper through printer slot PRINTER PAPER Printer paper is available from Hobart order part number 282051 LOADING PRINTER PAPER CAUTION Do nottouch exposed electrical parts bare wires or circuit boards This could cause electrostatic discharge and could damage the controller Do not pull paper through printer Use the Line Feed Switch to advance any remaining paper through the printer Compress the coil spring on the left end of the roll to release the core from the holders on each side Follow instructions inside control box for loading printer paper
6. Once loaded it may take a minute or more for paper to advance through the printer slot SETTING THE TIME AND DATE Open the control box door Press both the Service Switch see 8s8 E Fig 5 and the 9 key on front keypad at the same time 3 CLOCK 4 PRINTER The service menu will appear Press 3 to select Clock Enter the new hours minutes seconds HH MM SS 6 digits Press 0 for AM or 1 for PM Press YES Enter the new month day and year MM DD YYYY 8 digits Press YES Press NO two times to exit to the main menu ENTER NEW TIME O AM l PM XX XX XX EW DATE 05 20 2000 244 MAINTENANCE CLEANING Wash rinse and sanitize the product probes before and after use as you would any food contact utensil that measures temperature Chiller surfaces of stainless steel should be wiped clean with a damp cloth or mild cleaning solution DO NOT flush with running water Buzzer Avoid the use of solvents around plastic or painted areas clean these with a damp cloth DE moistened with a solution of mild detergentand Buzzer Loudness Y z Il i Service Switch warm water Clean hinge hardware with a Adjustment Screw chrome cleaner Use a solution of warm water l and baking soda to clean the gasket then wipe PL 52202 with asoftcloth Hinges mav require occasional lubrication of the plastic cam Do no
7. al Pan 12 Maintenance Program 000e eee 12 6 HOBART CORPORATION 1992 1996 1999 2 Installation Operation Use and Care of HQC45 QuickChill HQCF45 QuickChill Freezer 8 HQC90 QuickChill SAVE THESE INSTRUCTIONS GENERAL The HQC45 QuickChill is designed for rapid chilling of 45 pounds of food 9 pounds of food per pan in five 12 x 20 x 21 2 pans or five 18 x 26 sheet pans from 150 F to 37 F in approximately 90 minutes The rapid chilling process preserves food quality texture and nutritional value for up to 5 days As many as 5 chillings can be handled per 8 hour shift The Automatic Chill Hold mode can be used for overnight chilling The HQCF45 QuickChill Freezer is designed to chill exactly like the HQC45 and it can also freeze product down to 20 F Freezing time varies according to the initial and final product temperatures as well as product type and quantity Coated wire shelves can accommodate five full size 12 x 20 x 2 pans or five 18 x 26 sheet pans The HQC90 QuickChill is designed for rapid chilling of 90 pounds of food 9 pounds of food per pan in ten 12 x 20 x 2 pans from 150 F to 37 F in approximately 90 minutes Optional coated wire shelves can accommodate ten full size 12 x 20 x 2 2 pans or five 18 x 26 x 2 pans Chill and Freeze times are dependent upon product type thickness density thermal conductivity and type of covering For best results approximately 9 pounds o
8. e installed in front casters without brake in rear Fig 2 Caster equipped chillers should be located on a level floor THREADED HOLE LOCATION Good air circulation at the condenser coil in the lower section is necessary to provide proper operation The cabinet may be located in any one of the following three ways to assure satisfactory performance e The unit can be situated so the lower back section is open to room air allowing free air discharge No side clearance and no top clearance is required This is the preferred situation and provides the most effective cooling e The unit can be provided with no side clearance two inches of clearance at the rear and six inches of clearance above e If the unit is situated with no back clearance and no top clearance it is necessary to provide either five inches of clearance on each side or ten inches of clearance on one side of the cabinet NOTE Performance is enhanced when the air going into the condenser coil through the lower front section is cool For example locating the chiller adjacent to an oven would not be recommended FEATURES Shelves Set of Five A set of five shelves is optional on HQC90 A set of five shelves is standard with HQC45 and HQCF45 Shelf clips are packed with the shelves For each shelf insert two front shelf clips and two rear shelf clips into the pilaster slots at the same height After installing shelf clips on pilasters place shelves on clips Optio
9. e lower section The rear compressor cover is maintained in place with Velcro Pull to remove it WARNING ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE PORTIONS OF THE NATIONAL ELECTRICAL CODE AND OR OTHER LOCAL ELECTRICAL CODES WARNING DISCONNECT ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH INDICATING THAT YOU ARE WORKING ON THE CIRCUIT The circuit should be protected with a Dual Element Time Delay Fuse or Inverse Time Circuit Breaker ELECTRICAL DATA Minimum Circuit Ampacity Model Volts Hertz Phase Maximum Protective Device AMPS HQC45 208 60 1 15 HQCF45 240 60 1 15 208 60 1 20 240 60 1 20 HQC90 208 60 3 15 240 60 3 15 Compiled in accordance with the National Electrical Code NFPA 70 latest edition INSTALLATION OF REMOTE ALARM Optional The chiller provides a connection for a remote alarm that operates when the buzzer sounds on completion of a chill cycle Connect to terminals on terminal block 5 and 6 in the upper section of the chiller per the wiring diagram and these restrictions 1 Maximum remote alarm rating 120V 240V at 2 amps resistive or 100 watt incandescent lamp 2 Connection must be made of 600 volt insulated wire suitable for supply voltage Do not use bell wire lamp cord or similar type wire INSTALLATION CHECKOUT The self contained refrigeration system when equipped is shipped fully charged with refrigerant and re
10. er may try different set ups to maximize performance and food quality On a chiller only model the grayed freezer temperatures setup menus are omitted Blasting air differential and holding air differential temperatures are set at the factory The setting for target food temperature in Chill mode is shown Temperature Range Preset Target Temperature Chill Mode 34 F to 80 F 37 F Enter a value within the range Press YES to continue The setting for target food temperature in Freeze mode is shown TARGET TEMPERATURE IN FREEZE MODE 0 Temperature Range Preset Target Temperature Freeze Mode 22 F to 80 F 0 F Enter a value within the range Press YES to continue The setting for blasting air temperature in Chill mode is shown Air temperature will be maintained between the blasting air temperature and blasting air temperature plus differential For Example Blasting Air Temperature 10 F Differential 4 F Temperature will fluctuate between 10 F and 14 F Temperature Range Preset Blasting Air Temp Chill Mode 10 F to 45 F 10 F Enter a value within the range Press YES to continue The setting for blasting air temperature in Freeze mode is shown BLASTING AIR TEMP Air temperature will be maintained between blasting air temperature IN FREEZE MODE 25 and blasting air temperature plus the d
11. er supply MAINTENANCE PROGRAM Fig 6 For additional information or to discuss a maintenance program contact your local Hobart authorized refrigeration service company FORM 34523 July 2000 12 PRINTED IN U S A
12. f product per 12 x 20 x 2 pan or 18 x 26 sheet pan is recommended If more product per pan is being chilled the time required to chill will be increased Cabinets are provided with a junction box in the lower section which allows for permanent hard wire connection Stainless steel legs or casters are available accessories The durable stainless steel interior has coved corners for ease of cleaning The exterior sides front and back are stainless steel Left or right door swing is available on order and cannot be changed in the field Compressors supplied by Hobart are rated 1 4 HP on HQC45 and HQCF45 Compressors are rated 1 HP on HQC90 Refrigerant is R404A Remote refrigeration system or water cooled refrigeration system are optional The microprocessor controller provides the ability to e Select the mode of operation from a standard menu Automatic probe or timed chill or freeze e Display the current air and product temperatures and time Monitor product temperature with three probes during chill mode to reduce chances of freezing Allows the operator the choice of enabling surface protection that will limit the air temperature to 28 F in the latter part of the chill cycle e Provide service diagnostics to quickly check machine functions and control circuitry provides quick connect disconnect of the controller The printer is part of the controller and provides the ability to Print data from the last chill cycle or fr
13. ifferential For Example Blasting Air Temperature 25 F Differential 4 F Temperature will fluctuate between 25 F and 21 F Temperature Range Preset Blasting Air Temp Freeze Mode 32 F to 20 F 25 F Enter a value within the range Press YES to continue The setting for air temperature in Holding Cooler mode is shown Air temperature will be maintained between the holding cooler temperature and holding cooler temperature plus differential HOLDING COOLE TEMPERATURE For Example Holding Cooler Temperature 35 F Differential 6 F Temperature will fluctuate between 35 F and 41 F Temperature Range Preset Holding Cooler Temp Holding Cooler Mode 10 F to 45 F 35 F Enter a value within the range Press YES to continue 10 7 The setting for the air temperature in freezer hold mode is shown HOLDING FREEZER Air temperature will be maintained between the holding temperature TEMPERATURE 76 and holding temperature plus differential For Example Holding Freezer Temperature 6 F Differential 6 F Temperature will fluctuate between 6 F and O F Temperature Range Preset Holding Freezer Temp Freezer Hold Mode 32 F to 20 F 6 F Enter a value within the range Press YES to continue SURF PROTECTION OFF This applies only when operating in a Chill mode When ON the 1 0
14. increase 4 HOLD MODE From the main menu press 4 DING COOLE DING FREEZE 34 35 33 AIR 34 HLD 01 35 45 If the cabinet is a chiller freezer this menu selects which holding air temperature setting is used during a selected Hold mode After a chill or freeze cycle the system automatically selects the corresponding holding temperature This menu is omitted if the cabinet is a chiller only model The top row displays the food probe temperatures The bottom row displays the air temperature the Hold mode indicator and the time accumulated since the Hold mode began The compressor operates to maintain the air temperature at the selected target temperature in Hold mode When the temperature is reached fans stop and periodically restart to maintain a uniform internal temperature NOTE During Hold mode an automatic Defrost occurs every six hours To exit Hold mode press STOP and return to the main menu In Hold mode quick chillers and quick feezers operate like a standard refrigerator or freezer Probes are ignored and air temperature is maintained at the selected value If the message COOLING TOO SLOW displays during Hold mode the cabinet needs service 5 SET UP MODE From the main menu press 5 Set Up mode allows you to easily set four parameters for HQC45 HQC90 seven parameters for HQCF45 These parameters could be set according to the type of food its surface etc The us
15. nal single shelves are available up to eight shelves can be installed in the cabinet at one time Recommended Pans Full size 12 x 20 x 2 pans or 18 x 26 sheet pans are recommended Pans are not included Probes During a chill cycle insert probes in pans of food to monitor temperatures Probes should not touch bottom of pan Place probe in the middle of the food for best temperature indication Top Center Bottom Probe Probe Probe The Top Probe in the cabinet corresponds to the left 34 32 31 temperature in the display Fig 4 the Center AIR 34 HLD 1 35 54 Probe is second and the Bottom Probe is the third temperature in the display Fig 3 Door Switch The cabinet is equipped with a door switch which shuts offthe fans and refrigerant valve when the door is opened A buzzer sounds and a notice displays CABINET DOOR OPEN After the door is closed timer and chiller operations resume Fan Door Switch A fan door switch also shuts the fans and refrigerant valve off if the metal fan grill is not properly fastened in place A notice displays FAN DOOR OPEN Control Box Keys Two keys for the control box lock are shipped with the chiller These keys should be retained by the operator when access is needed for installation of printer paper etc ELECTRICAL CONNECTIONS Line voltage supplied to the cabinet junction box must not be affected by the operation of other electrical equipment Junction box is located at the rear of th
16. om all chill cycles since 12 00 midnight Print the time and date information for each cycle e Report chill temperatures vs time at ten minute intervals INSTALLATION Before installing check the electrical service to make sure it agrees with the electrical specifications on the rating plate located inside the cabinet UNCRATING Immediately after unpacking check for possible shipping damage If the chiller is found to be damaged save the packaging material and contact the carrier within 15 days of delivery DO NOT LAY THE CHILLER ON ITS FRONT BACK OR SIDES EXERCISE EXTREME CARE WHEN REMOVING THE CRATE BOTTOM ESPECIALLY WHEN THE LAST SHIPPING BOLT IS REMOVED CABINET MUST BE PROPERLY BLOCKED AND STABLE Cabinet is bolted onto a wood shipping base from underneath using the Threaded Hole Fig 1 Remove shipping bolts LEGS OR CASTERS The HQC45 HQCF45 and HQC90 must be installed with legs or casters WARNING THE CABINET MUST BE BLOCKED AND STABLE BEFORE INSTALLING THE LEGS OR CASTERS Legs Optional To install the legs raise up and block the cabinet a minimum of 7 from the floor and thread the legs into the threaded holes on the bottom of the cabinet The chiller must be level to operate properly Turn the adjustable feet in or out as required to level the chiller front to back and side to side Fig 1 Casters Optional Casters may be supplied for use on self contained units The swivel casters with brake should b
17. quires only proper electrical connections Remote refrigeration systems must be installed connected and charged by others After proper electrical connections are made place the switch next to the control in the On position OPERATION Display Main Switch Keypad Key is used as sign to enter negative numbers Silences the Buzzer Printer Slot Fig 4 0 MAIN MENU Displavs on initial power up Cabinet is idle 10 35 1 CHLL 2 FRZE The Main Menu displavs the time of dav in the upper left corner 3 DEFR 4 HOLI On the Chiller Freezer cabinet five menu options allow vou to select Chill Freeze Defrost Hold or Set Up 10 35 1 CHL Chiller only Main Menu does not allow Freeze mode 3 DEFR 4 HOLI NOTE If power was interrupted for 10 minutes or less control resumes at its previous display and function 1 CHILL MODE From the main menu press 1 CHILL METHOD 1 AUTO Select between Automatic or Manual Chill With Automatic Chill 2 MANUAL 3 EXIT mode the cvcle continues until all food probes have reached the target temperature With Manual Chill mode cvcle duration is selected bv the operator Automatic Chill mode is not available if no probes are used Exit will return to the main menu 1 1 AUTOMATIC CHILL Controlled by probes a non timed chill From the main menu press 1 1 AUTOMATIC CHILL OK TO START YES NO
18. t use the top of the chiller for storage Fig 5 CONDENSER COIL WARNING DISCONNECT ELECTRICAL POWER SUPPLY BEFORE CLEANING ANY PARTS OF THE UNIT The lower front compressor cover is attached with Velcro Pull to remove Check the condenser coil weekly Air must be able to freely circulate through the condenser This surface must be kept free of dirt and grease for proper system operation Carefully clean dirt and lint from the condenser coil using a vacuum cleaner whisk broom or soft brush do not use a wire brush CAUTION Do not damage the condenser coil fins Replace lower front compressor cover Reconnect electrical power supply EVAPORATOR COIL CONDENSATE LOOP AND CONDENSATE REMOVAL PAN WARNING DISCONNECT ELECTRICAL POWER SUPPLY BEFORE CLEANING ANY PARTS OF THE UNIT When needed these components can be flushed with fresh water by a qualified service technician This should be part of any routine maintenance program and can prolong the life of the equipment Condensate removal is provided atthe lower right portion ofthe equipment cabinet and does not need adrain Periodic cleaning of the condensate removal pan Fig 6 may be needed To access the condensate removal pan remove the lower front compressor cover which is attached with Velcro Pull to remove Clean the condensate removal pan by wiping with a clean damp cloth or sponge using care with the condensate loop inside Replace compressor cover Reconnect electrical pow
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