Trane Variable Refrigerant Flow System Mini Outdoor Unit Series Manual de instalación descargar pdf (Pagina 46)

46 VRF-SVN33A-EN

Refrigerant detection operation

Perform the refrigerant detection operation only under the following conditions:

• After the unit has been operating in cooling mode for at least 30 minutes.

• Within the following operating envelope:

– Indoor: 68–86°F (20–30°C)

– Outdoor: 41–109.4°F (5–43°C)

Failure to comply may result in the operation ending before completion or in inaccurate results. If

the unit triggers protection control, the results may be inaccurate.

After the refrigerant detection operation is complete, take the following actions:

• If the amount of refrigerant is excessive, discharge 5% of the detected amount and restart the

refrigerant amount detection operation.

• If the amount of refrigerant is insufficient, add 5% of the detected amount and restart the

refrigerant amount detection operation.

• If the degree of supercooling is insufficient, add 10% of the detected amount of refrigerant and

restart the refrigerant detection operation.

• If the result is unavailable, check that the refrigerant detection operation was conducted within

the operating envelope stated above. Perform a test operation to determine if there are any

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Trane Variable Refrigerant Flow System Mini Outdoor Unit Series Manual de instalación Pagina 46