4. outdoor fan speed control (cl ´´´´ models only) – Sanyo CL1852 User Manual
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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 sec-
onds 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
➀
–
➅
(WHT–BRN)
➁
–
➅
(VLT–BRN)
➂
–
➅
(YEL–BRN)
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