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Summary of Contents for Hoshizaki CC-50
- Page 1 Service Manual R290 Bottle Cooler Models CC-50 (-S) CC-65 (-S) CC-80 (-S) CC-95 (-S) Issued: 10-19-2018 hoshizakiamerica.com Revised:...
- Page 2 Should the reader have any questions or concerns which have not been satisfactorily addressed, please call, send an e-mail message, or write to the Hoshizaki Technical Support Department for assistance. Phone: 1-800-233-1940; (770) 487-2331 Fax: 1-800-843-1056;...
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Page 3: Table Of Contents
IMPORTANT This manual should be read carefully before the appliance is serviced. Read the warnings and guidelines contained in this manual carefully as they provide essential information for the continued safe use, service, and maintenance of the appliance. Retain this manual for any further reference that may be necessary. CONTENTS Important Safety Information.................... -
Page 4: Important Safety Information
Important Safety Information Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, damage to the appliance, or damage to property. WARNING ndicates a hazardous situation which could result in death or serious injury. - Page 5 WARNING, continued • Do not use an extension cord. • If the power cord is damaged, replace with factory-specified cord. • Do not use an appliance with a damaged power cord. The power cord should not be altered, jerked, bundled, weighed down, pinched, or tangled. Such actions could result in electric shock or fire.
- Page 6 WARNING, continued • Do not block air inlets or outlets, otherwise cooling performance may be reduced. • Do not tightly pack the cabinet. Allow some space between items to ensure good air flow. Also allow space between items and interior surfaces. •...
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Page 7: General Information
I. General Information A. Construction... -
Page 8: Refrigeration Flow Chart
B. Refrigeration Flow Chart... -
Page 9: Sequence Of Operation And Service Diagnosis
II. Sequence of Operation and Service Diagnosis A. Sequence of Operation Flow Charts 1. Refrigerator... -
Page 10: Service Diagnosis
B. Service Diagnosis WARNING • The appliance should be diagnosed and repaired only by qualified service personnel to reduce the risk of death, electric shock, serious injury, or fire. • Risk of electric shock. Use extreme caution and exercise safe electrical practices. •... - Page 11 b) Temperature Display Scale: °F. For further details, see "II.C.Controller Check" or "III.Controller and Adjustments." Note: • When exposed to high temperatures, a high-temperature alarm "Hi" may occur at startup. To silence the alarm, press and release the “SET” button. Alarm automatically resets when temperature drops to an acceptable range.
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Page 12: Controller Check
temperature is not in proper range check the CTh status. See "II.D. Thermistor check”, If CTh ohm reading is in proper range replace controller. If the compressor icon appears in the display and the set point and the temperature in the display is correct, check If 115VAC is present at the controller terminals #5 (Black Smooth) and #7 (White) If 115VAC is not present, check if 115VAC is present at controller terminals #4 (Black Striped) and #7 (White), if it is present replace the controller. -
Page 13: Thermistor Check
Before replacing Controller that does not show a visible defect and that you suspect is bad, conduct the following check procedure. This procedure will help you verify your diagnosis. Always choose a neutral to establish a good neutral connection when checking high voltages. -
Page 14: Diagnostic Tables
control system operation. No adjustment is required; the controller has the adjustment from factory. In the event the cabinet thermistor reading is out of range (E0 alarm), the compressor operates on a fixed time basis of 20-min. on and 15-min. off. To check thermistor resistance, follow the steps below. - Page 15 1. Not Cooling Not Cooling - Possible Cause 1. Power Supply a) Unplugged, off, blown fuse, tripped or defective circuit breaker. On three-section receptacle box, only top receptacles have power. b) Loose connection. c) Not within specifications. 2. Cord and Plug On three- a) Loose connection.
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Page 16: Controller And Adjustments
b) Defective. 4. Controller a) Defective. 5. Compressor Relay a) Defective. 6. Refrigerant Charge/Refrigerant a) Low. Lines b) Component restriction (cap tube, drier). 3. Defrost: Controller Refrigerator Defrost Fails to Initiate - Possible Cause 1. Compressor Relay a) Defective. 2. Controller a) Defective. -
Page 17: A) Display Icons
All models are pretested and factory set. • The controller is fragile, handle very carefully. • Do not change wiring and connections. Never misconnect terminals. NOTICE • Do not short out power supply to test for voltage. a) Display Icons Not visible in the controller Not visible in the controller Not visible in the controller... - Page 18 Front Panel, located in the low right side Controller Controller Power Switch Turn On/Off Appliance In setpoint mode press to raise temperature, Cabinet Temperature otherwise press and hold to turn compressor on or off without unplugging or using power switch. Compressor Icon Press to change the temperature setpoint.
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Page 19: C) Controller Connections
In setpoint mode press to lower temperature, otherwise press and hold to initiate manual defrost. c) Controller Connections Compressor Power Supply Thermistor Terminals Block Terminals Terminals Block 4 & 5 Block 6 & 7 8 & 9 B. Temperature The temperature default scale is °F, but it can be changed to read °C. To change, see "III.B.3. -
Page 20: Default Settings
1. Default Settings a) Temperature Setting: 32°F. b) Temperature Display Scale: °F. c) Differential temperature: 6°F (3.3°C) to turn ON the Comp and CondFM. 2. Temperature Set Point The unit comes with a factory default setpoint of 32°F. If setpoint needs to be changed, follow the steps below. -
Page 21: Defrost
"EZY" is displayed. Press the "SET" button. Press the "UP" arrow button to display the number "2", then press and hold the "SET" button for 5 sec. Temperature is now displayed in the new display scale. C. Defrost Manual Defrost To select manual defrost, hold the “DOWN”... -
Page 22: Safety Devices
address the alarm. The alarm code flashes once every second with audible alarm. To silence the alarm, press and release the “SET” button. WARNING 1. Controller Module with Integrated Display Alarm Signals Alarm Code Problem Corrective action/Reset Details Cabinet thermistor Beeps continually, To silence the alarm, press and Malfunction Alarm release the “SET”... -
Page 23: Service For Refrigerant Lines
A. Service for Refrigerant Lines • Repairs requiring the refrigeration circuit to be opened must be performed by properly trained and EPA-certified service personnel. • Always recover the refrigerant and store it in an approved container. Do not WARNING discharge the refrigerant into the atmosphere. •... - Page 24 The appliance is provided with refrigerant access valves. Using proper refrigerant practices recover the refrigerant from the access valves and store it in an approved container. Do not discharge the refrigerant into the atmosphere. The gas R290 is not necessary recover; can be in a well ventilated area with no source of ignition 2.
- Page 25 Remember to loosen the connection and purge the air from the hose. See the nameplate for the required refrigerant charge. Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets ARI Standard 700 (latest edition) be used.
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Page 26: Important Notes For Component Replacement
9) Allow the system to charge with liquid until the proper charge weight is met. 10) If necessary, add any remaining charge to the system through the low-side. NOTICE! To prevent compressor damage, use a throttling valve or liquid dispensing device to add the remaining liquid charge through the low-side access valve with the appliance running. -
Page 27: Power Supply Connection
Check the condenser once a year and use a brush or vacuum cleaner to clean the condenser as required. 2. Power Supply Connection IMPORTANT If a plug, power cord, or receptacle (three-section models) is damaged, replace it. Be sure to connect the ground wire. VI. -
Page 28: Technical Information
When preparing the appliance for disposal, remove the door to reduce the risk of children getting trapped. Leave the shelves in place so that children may not easily climb inside. When preparing the appliance for long storage, clean the cabinet interior, door gaskets, and shelves. - Page 29 A. Electrical and Refrigeration Data See the nameplate for electrical and refrigerant data. The nameplate is located inside the cabinet at the left side. * Pressure suction measure at 90°F ambient temperature, models ending in -S means stainless steel finish We reserve the right to make changes in specifications and design without prior notice.
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Page 30: Wiring Diagrams
B. Wiring Diagram For models: CC-50 (-S) CC-65 (-S) CC-80 (-S) CC-95 (-S)
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