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SM830092
(4) Outdoor Fan Speed Control
(1) C2462R Type
• In low outdoor temperature, the outdoor fan is set automatically from HIGH to LOW
to prevent the indoor heat exchanger from freezing.
• When the outdoor temperature falls below 78 °F, the outdoor fan is set from HIGH to
LOW automatically. When the outdoor temperature rises to 82 °F, the outdoor fan is
set from LOW to HIGH automatically.
(2) CL2462R Type
• In low outdoor temperature, the outdoor fan is set automatically from HIGH to MED,
LOW to prevent the indoor heat exchanger from freezing.
• When the outdoor temperature falls below 77 °F, the outdoor fan is set from HIGH to
MED automatically. When the outdoor temperature rises to 81 °F, the outdoor fan is
set from MED to HIGH automatically.
• When the outdoor temperature falls below 59 °F, the outdoor fan is set from MED to
LOW automatically. When the outdoor temperature rises to 63 °F, the outdoor fan is
set from LOW to MED automatically.
• When the outdoor temperature falls below 50 °F, the hot gas bypass valve opens
and keeps the pressures up by allowing some hot gas to be bypassed to the suction
of the compressor.
11. PROCESSES AND FUNCTIONS
Fig. 14
OFF
ON
L
M
H
760
380
230
FAN ROTATION RPM
HGBV
(HOT GAS
BYPASS VALVE)
47
(8.3)
50
(10)
59
(15)
63
(17)
77
(25)
81
(27)
OUTDOOR AIR TEMPERATURE °F DB
2217_X_S