Samsung AM MXVAFC Series Installation Manual page 97

• If the temperature is out of the guaranteed range below, exact result will not be obtained .
- Indoor: 20~32 °C
CAUTION
- Outdoor: 5~43 °C
• If the operation cycle is not stable, the operation of refrigerant amount check may be forcibly finished .
• Accuracy of the result may decrease if the product has not been operated for a long period of time or heat mode
has been operated before running the function of refrigerant amount check . Therefore, use the function of
refrigerant amount check after operating the product in cool mode for at least 30 minutes .
• Product may trigger system protection operation depending on the installation environment . In this case, the
result of refrigerant amount check may not be accurate .
Actions to take for the check result
• Excessive amount of refrigerant
- Discharge 5% of total amount of refrigerant and restart the refrigerant amount check .
• Insufficient amount of refrigerant
- Add 5% of the total amount of refrigerant and restart the refrigerant amount check .
• Insufficient degree of supercooling
- Add 10 % of the total amount of refrigerant and restart the refrigerant amount check .
• Judgment not available
- Check if the function of refrigerant amount check is executed within the guaranteed temperature range . Run
trial operation to check if there are other problems on the system .
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