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Dometic Americana - User Manual

Dometic Americana
40 pages
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Americana /Americana Plus
Classic
New Dimensions
New Generations
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Summary

The Absorption Refrigeration System

Cooling Unit Testing Requirements

Troubleshooting: Refrigerator Not Cooling

Cause: Insufficient Condenser Airflow

Identifies lack of airflow through the condenser as a cause for not cooling.

Cause: Trapped Warm Air

Explains how trapped warm air from poor installation causes issues.

Heating Element Specifications

Performing a By-Pass Test

Disconnect Thermistor

Step to disconnect the thermistor from the control board.

Place Water and Thermometer

Instruction to place water and a thermometer in the refrigerator.

Plug in and Run Unit

Procedure to plug the unit into 115 VAC and run it for 12 hours.

Avoid Direct Wiring

Critical warning against direct wiring the heating element.

Post-Test Temperature Checks

Industry Standards (Thermistor Plugged In)

Specifies temperature standards with the thermistor connected.

Standards (Thermistor Unplugged)

Specifies temperature standards with the thermistor disconnected.

Thermistor Function and Testing

Thermistor Functionality

Explains the thermistor's role in monitoring internal temperature.

Symptom: Temperature Issues

Identifies over or under cooling as symptoms related to the thermistor.

Resistance Value Check

Details how to check the thermistor's resistance value.

Upper Control Board Operation

Symptom: No Operation

Identifies no LED lights or operation as a symptom.

DC Voltage Check Procedure

Outlines how to check DC voltage at the control board.

5;6 Wire Harness Voltage Checks

Check DC Voltage on P1 Connector

Details checking DC voltage from the upper control board on the P1 connector.

Lower Control Board Requirements

Troubleshooting: No AC Operation

Gas System Components

Gas Solenoid Function and Testing

Solenoid Functionality

Explains the gas solenoid allows gas flow through the valve assembly.

Manual Shut-Off Valve Operation

Orifice Function and Maintenance

Symptom: No LP Gas

Identifies no LP gas or check light as a symptom due to orifice issues.

Igniter Function and Testing

Igniter Functionality

Explains the igniter senses flame and sparks to light the burner.

Symptom: Ignition Failure

Identifies no flame, no sparking, or continuous sparking as symptoms.

Electrode Function and Checks

Electrode Functionality

Explains the electrode passes spark to light the burner.

Symptom: No Spark

Identifies no spark or check light as symptoms.

Thermocouple Function and Testing

Thermocouple Functionality

Explains it signals flame presence to the control board.

Symptom: Flame Wont Stay Lit

Identifies flame not staying lit as a symptom.

Flue Tube and Baffle Function

Symptom: Cooling Issues

Identifies cooling on AC but not LP as a symptom.

Air Leaks and Frost Formation

Troubleshooting: Check Light Indicator

DC Power Supply Issues

Discusses low DC voltage and AC ripple as causes for check light.

Gas Supply Issues

Refers to components and discussion for gas supply related check light issues.

Grounding Problems

Highlights bad or loose grounds as a cause for the check light.

Recent Control Board Replacement

Addresses issues when check light appears after control board replacement.

P3 Harness and Ground Wire Correction

Summary

The Absorption Refrigeration System

Cooling Unit Testing Requirements

Troubleshooting: Refrigerator Not Cooling

Cause: Insufficient Condenser Airflow

Identifies lack of airflow through the condenser as a cause for not cooling.

Cause: Trapped Warm Air

Explains how trapped warm air from poor installation causes issues.

Heating Element Specifications

Performing a By-Pass Test

Disconnect Thermistor

Step to disconnect the thermistor from the control board.

Place Water and Thermometer

Instruction to place water and a thermometer in the refrigerator.

Plug in and Run Unit

Procedure to plug the unit into 115 VAC and run it for 12 hours.

Avoid Direct Wiring

Critical warning against direct wiring the heating element.

Post-Test Temperature Checks

Industry Standards (Thermistor Plugged In)

Specifies temperature standards with the thermistor connected.

Standards (Thermistor Unplugged)

Specifies temperature standards with the thermistor disconnected.

Thermistor Function and Testing

Thermistor Functionality

Explains the thermistor's role in monitoring internal temperature.

Symptom: Temperature Issues

Identifies over or under cooling as symptoms related to the thermistor.

Resistance Value Check

Details how to check the thermistor's resistance value.

Upper Control Board Operation

Symptom: No Operation

Identifies no LED lights or operation as a symptom.

DC Voltage Check Procedure

Outlines how to check DC voltage at the control board.

5;6 Wire Harness Voltage Checks

Check DC Voltage on P1 Connector

Details checking DC voltage from the upper control board on the P1 connector.

Lower Control Board Requirements

Troubleshooting: No AC Operation

Gas System Components

Gas Solenoid Function and Testing

Solenoid Functionality

Explains the gas solenoid allows gas flow through the valve assembly.

Manual Shut-Off Valve Operation

Orifice Function and Maintenance

Symptom: No LP Gas

Identifies no LP gas or check light as a symptom due to orifice issues.

Igniter Function and Testing

Igniter Functionality

Explains the igniter senses flame and sparks to light the burner.

Symptom: Ignition Failure

Identifies no flame, no sparking, or continuous sparking as symptoms.

Electrode Function and Checks

Electrode Functionality

Explains the electrode passes spark to light the burner.

Symptom: No Spark

Identifies no spark or check light as symptoms.

Thermocouple Function and Testing

Thermocouple Functionality

Explains it signals flame presence to the control board.

Symptom: Flame Wont Stay Lit

Identifies flame not staying lit as a symptom.

Flue Tube and Baffle Function

Symptom: Cooling Issues

Identifies cooling on AC but not LP as a symptom.

Air Leaks and Frost Formation

Troubleshooting: Check Light Indicator

DC Power Supply Issues

Discusses low DC voltage and AC ripple as causes for check light.

Gas Supply Issues

Refers to components and discussion for gas supply related check light issues.

Grounding Problems

Highlights bad or loose grounds as a cause for the check light.

Recent Control Board Replacement

Addresses issues when check light appears after control board replacement.

P3 Harness and Ground Wire Correction

Dometic Americana Specifications

General IconGeneral
Temperature ControlAdjustable Thermostat
Defrost TypeManual
ColorWhite
ShelvesAdjustable
Capacity6 cubic feet

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