Sanyo C0951, Техническое и сервисное руководство

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8-4. Outdoor Fan Speed Control (CL
××××
models only)
Low ambient fan speed control
●
This function protects the compressor from being damaged due to flowback of the liquid refrigerant to the
compressor when the outdoor temperature is very low.
●
When the air temp. thermistor (TH) on the outdoor units detects a change in temperature, the controller on
the electrical component box activates to control the fanspeed automatically.
●
If the outdoor temperature falls below 57°F, the fan speed switches to MED.
●
If the outdoor temperature falls below 30°F, the fan speed switches to LOW.
*1 Regardless of outdoor temperature, outdoor fan motor operates at first at HIGH speed for
23 ± 5 seconds to give the motor an initial boost.
*2 When the fan speed switches, the controller terminal’s location where line voltage comes
out (
● ●
–
● ●
) shifts accordingly.
57
°
F
30
°
F
Outdoor
temperature
Fan speed
* 1
Fan motor output
* 2
(Line voltage 115V or 230V)
HIGH
MEDIUM
LOW
➂
–
➀
(BLU–GRY) or (WHT–GRY)
➄
–
➀
(VLT–GRY)
➆
–
➀
(YEL–GRY)
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