Mars Confort-Aire Century VCD18 Series Installation Manual page 45

Installation and Operation Manual - VCDxxSA
Installation and Operation Manual - VCDxxSA
NOTE ON ADDING REFRIGERANT
CAUTION
DO NOT mix refrigerant types.
Some systems require additional charging depending on pipe lengths. The standard pipe length varies
according to local regulations. For example, in North America, the standard pipe length is 7.5m (25').
In other areas, the standard pipe length is 5m (16'). The refrigerant should be charged from the service
port on the outdoor unit's low pressure valve. The additional refrigerant to be charged can be
calculated using the following formula:
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