Carrier 69NT40-511-199, 69NT40-521 manual 268-07

Models: 69NT40-521 69NT40-511-1 69NT40-511-199

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b.For Units equipped with receiver: partially block the condenser coil inlet air, starting from the front of the condenser coil. Increase the area blocked until the compressor discharge pressure is raised to approximately 12 kg/cm@ (175 psig). Refrigerant level on the receiver will normally be between the sight glasses. If the refrigerant level is not between these boundaries, refer to section 6.6.3.

c.For Units equipped with water-cooled condenser:

check charge only on air-cooled operation. Refrigerant level in the water-cooled operation will be normally above sight glass. Partially block the condenser coil inlet air starting from the front of the condenser coil. Increase the area blocked until the compressor discharge pressure is raised to approximately 12 kg/cm@ (175 psig). Refrigerant should appear at center line of sight glass on the water-cooled condenser. If the refrigerant level is not between these boundaries, refer to section 6.6.3.

T-268-07

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Carrier 69NT40-511-199, 69NT40-521 manual 268-07