Carrier 53KHET 30-36 - Outdoor Unit Refrigerant Connection Details; Indoor Unit Refrigerant Connection Details; Piping Line Descriptions; Cutting and Flaring Tools

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CONNECTING REFRIGERANT PIPING LINES (Cont.)
16-5 DIAMETERS OF REFRIGERANT PIPING LINES UP TO 25 METER LENGTH
System
Model
Gas line
diameter
Liquid line
diameter
53QHET30-708F
53KHET30-708F
5/8” 3/8”
53QHET36-708F
53KHET36-708F
3/4” 3/8”
16.6 REFRIGERANT CHARGE
For Systems 53QHET30-708F & 53KHET30-708F
(1) The outdoor unit is factory supplied with refrigerant charge for use with refrigerant piping lines
of length 3 meters and with added 50 grams for air and moisture purge from the system.
(2) For refrigerant piping lines of length more than 3 meters, add in the field 25 grams of refrigerant
per extra meter more than 3 meters refrigerant piping lines:
Example 1 = For 8 meter lines, refrigerant added = (8-3) x 25 = 125 grams.
Example 2 = For 12 meter lines, refrigerant added = (12-3) x 25 = 225 grams.
(3) NOTES
• Refrigerant overcharge may cause a serious trouble of compressor.
• Refrigerant undercharge may cause reduction of system performance.
For Systems 53QHET36-708F & 53KHET36-708F
(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 4 meters, add in the field 25 grams of refrigerant
per extra meter more than 4 meters refrigerant piping lines:
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.