Carrier 42/38KCJ024713, Technical & Service Manual

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Installation detail
16
centralized;
Do not make the angle of inclination more than 45 degrees while shipping;(Avoid
horizontal storage)
Be sure the electric insulation work is well done if installed on metal ceiling / wall.
Fix the unit feet with bolts (M10/M8). Be sure the unit is fixed strongly enough to against
blast or earthquake.
Make a concrete basement to the unit by the above references.
6.3 Refrigerant pipe connecting
6.3.1 Pipe length and the elevation
The correct refrigerant quantity filled in the 5-meter-long pipe of the outdoor unit is
marked on the Product Data Plate. If you have to use longer pipe for every meter plus
pipe, the refrigerant should be added according to the following calculation.
Standard
length
Max. Max. Additional
(m) Elevation Elevation refrigerant
Btu/h GAS LIQUID B (m) A (m) (g/m)
24K
5/8’’ (φ16) 1/4’’ (φ9.53)
5 10 20 65
36K
3/4’’ (φ19) 1/2’’ (φ12.7)
5 15 30 90
48K
3/4’’ (φ19) 1/2’’ (φ12.7)
5 15 30 90
Pipe size Capacity
6.3.2 Piping connection
6.3.2.1 Connecting Of Refrigerant Pipe