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Figure 2-2. Operator’s Controls Rear | Up
TM-5-4120-387-14 Air Conditioner Horizontal Compact 18 000 BTU/HR 208-Volt 3 Phase 60/80 Hertz Manual | Next
Section II OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) |
2-3.
fig. 2-2
TM5-4120-387-14
Do not operate the air conditioner in the COOL mode if the
refrigerant color has reached the yellow band or if numerous
bubbles appear in the sight glass. COOL mode operation may
be continued with the refrigerant color in the chartreuse
band or with only an occasional bubble appearing in the
window, but the sight glass should be re-checked after each
four hours of operation to ensure that the condition has not
become worse.
2-4
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