Check No.14 - Check For Excessive Refrigerant Charging - Daikin ESIE13-02 Service Manual

Additional Checks for Troubleshooting
6.12

Check No.14 - Check for Excessive Refrigerant Charging

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Part 4 – Troubleshooting
As criteria for judging whether refrigerant is excessively charged or not, refer to the following operating
conditions.
<Diagnosis of excessive refrigerant charging>
In cooling operation
1 Because high pressure rises due to excessive charging, overload control is carried out and
capacity tends to run short.
2 Considering pressure load, compressor discharge pipe temperature is low.
3 Subcooled degree of condensate liquid becomes large. Therefore, temperature of blown air
passing through subcooled part decreases in heating operation.
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ESIE13-02