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leaving condenser water temperature. If this reading is more than what the design difference is
supposed to be, then the condenser tubes may be dirty, or water flow may be incorrect.
Because HCFC-22 and HFC134-a are high-pressure refrigerants, air usually does not enter the
machine, rather, the refrigerant leaks out.
During the tube cleaning process, use brushes especially designed to avoid scraping and
scratching the tube wall. Contact your Carrier representative to obtain these brushes.
Do not
use wire brushes.
Water Leaks
Water is indicated during machine operation by the refrigerant moisture indicator (Figure 2A
or Figure 2B) on the refrigerant motor cooling line. Water leaks should be repaired immediately.
CAUTION
CAUTION
!
Hard scale may require chemical treatment for its prevention or removal. Consult
a water treatment specialist for proper treatment.