Carrier Cassette Sky 53QC 36, Руководство по установке

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CONNECTING REFRIGERANT PIPING LINES (Cont.)
16.4 DIAMETERS OF REFRIGERANT PIPING LINES
System
Model
Gas line
diameter
Liquid line
diameter
Max.
Length
Meter
53QC36 3/4” 3/8” 25
53QC48 3/4” 3/8” 30
16.5 REFRIGERANT CHARGE
(1) The outdoor unit is factory supplied with refrigerant charge for use with refrigerant piping lines
of length 4 meters and with added 50 grams for air and moisture purge from the system.
(2) For refrigerant piping lines of length more than 5 meters, add in the field 25 grams of refrigerant
per extra meter more than 4 meters :
Example 1 = For 8 meter lines, refrigerant added = (8-4) x 25 = 100 grams.
Example 2 = For 12 meter lines, refrigerant added = (12-4) x 25 = 200 grams.
(3) NOTES
•
Refrigerant overcharge may cause a serious trouble of compressor.
•
Refrigerant undercharge may cause reduction of system performance.