Avantco 17819947 OEM Digital Temperature Control Kit

Avantco 17819947 OEM Digital Temperature Control Kit

The Avantco 17819947 Temperature Control is an OEM electronic temperature-control assembly designed for compatible Avantco commercial refrigeration equipment. The control works within the refrigeration system to monitor temperature conditions and manage applicable refrigeration functions according to the equipment's operating requirements.

Reliable temperature control is critical in commercial refrigeration. A controller that is no longer sensing, switching, or responding correctly can contribute to warm cabinet temperatures, excessive cooling, abnormal compressor cycling, temperature fluctuations, or equipment that does not maintain the intended operating temperature.

When qualified diagnosis confirms a temperature-control problem, replacing the original component with the correct Avantco OEM 17819947 helps restore the control configuration intended for compatible equipment.

OEM Part Details

• Manufacturer: Avantco
• OEM Part Number: 17819947
• MPN: 17819947
• Part Type: Digital Temperature Control Kit
• Application: Commercial Refrigeration Equipment
• Function: Electronic Temperature Monitoring & Control

What the Avantco 17819947 Temperature Control Does

The Avantco 17819947 digital temperature control works within the equipment's electronic refrigeration control system. It receives temperature-related input from the applicable sensing components and provides control response according to the operating requirements of the specific Avantco refrigeration model.

Proper temperature-control operation helps support:

• Consistent refrigerated cabinet temperatures
• Accurate response to changing temperature conditions
• Proper refrigeration cycling
• Normal compressor operation
• Temperature recovery after door openings
• Reduced excessive temperature fluctuations
• Reliable commercial refrigeration performance

Compatible Avantco Models

The Avantco 17819947 OEM Digital Temperature Control Kit is listed for compatible Avantco commercial refrigeration equipment including:

• 178A12RHC
• 178A19RHC
• 178A23RHC
• 178GDS47HCB
• 178SS1RHC
• 178UBB2448G
• 178UBB2GHC
• 178UDD2448

Compatibility Note: Avantco equipment can vary by serial number, production date, voltage, refrigerant configuration, controller revision, and factory configuration. Always verify OEM part number 17819947, the complete equipment model and serial number, and the original temperature-control assembly before ordering.

Common Signs of a Temperature Control Problem

Qualified commercial refrigeration technicians may inspect the Avantco 17819947 when troubleshooting conditions such as:

• Cabinet temperature runs warmer than the set point
• Cabinet becomes colder than intended
• Temperature fluctuates excessively
• Refrigeration does not cycle correctly
• Compressor runs for unusually long periods
• Equipment cycles too frequently
• Displayed temperature appears incorrect
• Equipment does not respond correctly to temperature changes
• Intermittent refrigeration operation
• Controller does not power on
• Controller display operates abnormally
• Damaged sensor wiring or connections
• Loose, corroded, or overheated control connections
• Visible damage to the electronic controller

These symptoms do not automatically confirm controller failure. Temperature sensors, wiring, relays, compressor components, fan motors, refrigerant-system conditions, airflow restrictions, condenser problems, door gaskets, and other refrigeration components can create similar symptoms. Proper diagnosis should be completed before replacing the control.

Temperature Sensor & Wiring Diagnosis

An electronic temperature controller depends on accurate sensing information and reliable electrical connections. A controller may appear to be malfunctioning when the actual problem is a damaged sensor, loose connection, or wiring fault.

Technicians should inspect:

• Temperature sensors and probes where applicable
• Sensor wiring
• Electrical connectors
• Wiring harnesses
• Loose terminals
• Corrosion
• Moisture contamination
• Pinched or damaged wiring
• Signs of overheating
• Evidence of electrical arcing

Any damaged wiring or connection problem should be corrected before a replacement control is placed into service.

Technician Checks Before Ordering

Before replacing the Avantco 17819947 temperature control, qualified commercial refrigeration technicians should verify:

• OEM part number 17819947
• Complete Avantco equipment model
• Equipment serial number
• Original controller identification
• Equipment supply voltage
• Controller connector configuration
• Temperature-sensor configuration
• Wiring-harness condition
• Associated relays and switching components
• Compressor-control circuit
• Evaporator fan operation
• Condenser fan operation
• Defrost-related components where applicable
• Refrigeration-system condition
• Signs of moisture or electrical damage

OEM part-number verification should be the primary method of identifying the replacement. Digital refrigeration controls that appear similar can use different programming, sensors, connector arrangements, electrical specifications, and equipment-specific operating logic.

Diagnosing a Warm Refrigerated Cabinet

An Avantco refrigerator that is running warm does not automatically have a failed 17819947 temperature control. The controller should be evaluated as part of the complete refrigeration system.

Depending on the equipment configuration, diagnosis may include checking:

• Actual cabinet temperature
• Displayed controller temperature
• Temperature-sensor readings
• Compressor operation
• Evaporator fan operation
• Condenser fan operation
• Condenser cleanliness and airflow
• Refrigerant-system performance
• Evaporator frost pattern
• Door gasket condition
• Cabinet airflow
• Controller outputs

Comparing actual cabinet conditions with the information being received and acted upon by the controller helps determine whether the problem originates from the control, sensing system, or another refrigeration component.

Diagnosing a Cabinet That Runs Too Cold

A temperature-control problem can contribute to excessive cooling if the refrigeration circuit continues operating longer than intended. However, sensor problems, wiring faults, relay problems, or other control conditions can produce similar symptoms.

Technicians may need to evaluate:

• Actual cabinet temperature
• Displayed temperature
• Sensor accuracy
• Sensor placement
• Controller settings
• Controller output
• Associated relay operation
• Compressor cycling
• Control wiring

Proper diagnosis helps prevent unnecessary replacement of the controller when another component is responsible for excessive cooling.

Inspect the Original Control Before Replacement

Before replacing the 17819947, inspect the original controller and surrounding electrical system for conditions that may have contributed to the failure.

Look for:

• Burned or discolored connectors
• Loose terminals
• Corrosion
• Moisture contamination
• Damaged wiring
• Overheated components
• Evidence of electrical arcing
• Damaged sensor connections
• Loose mounting

If another electrical component or wiring fault contributed to the original control failure, correct that condition before energizing the replacement.

Why OEM Controller Identification Matters

Commercial refrigeration temperature controls can appear nearly identical while using different programming, operating parameters, sensor characteristics, connector layouts, outputs, and equipment applications.

For this reason, a replacement should not be selected based solely on physical appearance. Use Avantco OEM part number 17819947 as the primary identification reference and compare the original control, wiring, connectors, and equipment information before ordering.

Commercial Refrigeration Applications

Compatible Avantco equipment using the 17819947 temperature-control system is designed for demanding commercial foodservice environments including:

• Restaurants
• Commercial kitchens
• Bars and beverage-service operations
• Hotels
• Schools
• Hospitals
• Universities
• Convenience stores
• Institutional kitchens
• Corporate cafeterias
• Catering facilities
• Foodservice operations

Installation & Service Notes

Disconnect electrical power before servicing commercial refrigeration equipment and follow applicable Avantco service procedures.

Before removing the original 17819947 controller, photograph or document the location of all wiring, connectors, sensors, and mounting hardware. Compare the replacement control kit with the original assembly before transferring connections.

Inspect the wiring harness, connectors, sensors, relays, motors, and related electrical components for damage before installing the replacement. An external electrical problem should be corrected before the new controller is energized.

After installation, restore power and operate the equipment through an appropriate refrigeration cycle. Verify that the displayed temperature is reasonable, the sensing system responds to temperature changes, and the refrigeration equipment cycles correctly.

Commercial refrigeration electronic controls should be diagnosed and installed by qualified refrigeration service personnel.

Frequently Asked Questions

What is the Avantco 17819947?

The Avantco 17819947 is an OEM digital temperature-control assembly used in compatible Avantco commercial refrigeration equipment.

Which Avantco models use the 17819947 temperature control?

The 17819947 is listed for compatible 178A12RHC, 178A19RHC, 178A23RHC, 178GDS47HCB, 178SS1RHC, 178UBB2448G, 178UBB2GHC, and 178UDD2448 equipment.

Does Avantco 17819947 fit A-series refrigerators?

It is listed for compatible 178A12RHC, 178A19RHC, and 178A23RHC equipment. Verify the complete model, serial number, and original control before ordering.

Does Avantco 17819947 fit the 178GDS47HCB?

It is listed for compatible 178GDS47HCB equipment. Confirm the equipment serial number and original controller before replacement.

Does 17819947 fit Avantco 178SS1RHC?

It is listed for compatible 178SS1RHC equipment. Verify the complete equipment identification and original control assembly before ordering.

Does Avantco 17819947 fit UBB equipment?

It is listed for compatible 178UBB2448G and 178UBB2GHC equipment. Verify the model, serial number, and original controller before replacement.

Does 17819947 fit Avantco 178UDD2448?

It is listed for compatible 178UDD2448 equipment. Confirm OEM part number 17819947 and the original control before ordering.

Can a bad temperature control cause an Avantco refrigerator to run warm?

Yes. A control or sensing problem can interfere with proper refrigeration cycling. Compressor operation, airflow, fan motors, refrigeration-system performance, sensors, and other controls should also be inspected.

Can a bad controller cause the refrigerator to run continuously?

A control problem can contribute to excessive compressor operation, but inaccurate sensor input, relay problems, wiring faults, airflow conditions, or refrigeration-system issues can produce the same symptom.

Why does the displayed temperature differ from actual cabinet temperature?

Possible causes include sensor problems, incorrect sensor placement, wiring issues, controller problems, airflow conditions, or differences between the sensor location and the location where cabinet temperature is independently measured.

How do I confirm Avantco 17819947 is the correct replacement?

Verify OEM part number 17819947, the complete Avantco equipment model and serial number, and compare the original controller, connectors, wiring, and sensing configuration before ordering.

Is professional installation recommended?

Yes. Commercial refrigeration electronic controls should be diagnosed and installed by qualified refrigeration service personnel.

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Parts Direct Online supplies OEM commercial refrigeration and commercial cooking replacement parts for service technicians, contractors, restaurants, supermarkets, schools, hospitals, institutional kitchens, and foodservice facilities throughout the United States. Our focus is helping commercial equipment professionals identify the correct OEM replacement component and minimize costly equipment downtime.