Additional Charge - Daikin FHC20JEVLK Installation Manual

R22 split series

Table of Contents

The refrigerant is pre-charge in the outdoor unit. If the piping length is less than 7.5m, then additional charge after

vacuuming is not necessary. If the piping length is more than 7.5m then use the additional charge value as indicated in the

table.

Additional refrigerant charge [g] per additional 1m length as tabulated (for R22 models)

Cooling only

Model

Additional charge [g/m]

Model

Additional charge [g/m]

Model

Additional charge [g/m]

Heat Pump Unit

Model

Additional charge [g/m]

Model

Additional charge [g/m]

Model

Additional charge [g/m]

Example:

FHC20JEVLK & RD20JEVLK with 13m piping length, additional piping length is 5.5m. Thus,

Additional charge = 5.5[m] x 22[g/m]

= 121[g]

* When connect with FHC25JEVLK and FHYC25JEVLK, additional 0.2kg refrigerant charge is needed for 3.0m to

7.5m piping length.