Friedrich CCF05B10A Service Manual page 17

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Sequence of Operation
a) The indoor fan runs at the set speed when processing sleep mode, after the 1st change, unit runs at low speed, and after
the 2nd change, unit runs at low-low speed ( if AC without low-low speed, it runs at low speed instead). 10 hours later AC
quits from sleep mode and runs at former set fan speed .
b) In SLEEP mode, the vane works according to the preset, after the first change, vane blade works at cold air prevention
angle. 10 hours later AC quits from sleep and works as the former preset.
c) The set fan speed refers to the preset value before processing SLEEP mode. If the unit just on stand by before sleep
operation, the set value to be according to low speed . If AC preset in super speed, the set value will change to high speed,
while in Auto wind, it will change to low speed.
table 2
initial set
initial set
initial set
I t e m
I t e m
I t e m
temp.(F)
temp.(F)
temp.(F)
runing time
runing time
runing time
≥82
≥82
≥82
The controlled
The controlled
The controlled
80
80
80
set temperature.
set temperature.
set temperature.
78
78
78
Note:unit---
Note:unit---
Note:unit---
77
77
77
Time: minute
Time: minute
Time: minute
≤75
≤75
≤75
Fan speed
Fan speed
Fan speed
set speed
set speed
set speed
UP/DOWN swing
UP/DOWN swing
UP/DOWN swing
ON/OFF
ON/OFF
ON/OFF
B. Sleep mode on Heating operation:
1) The indoor fan runs at the set speed when processing in sleep mode, after the first change, unit changes to medium speed
if the preset is in high operation, and the medium and low speed preset will keep the original even after the first change. 10
hours later AC quits from sleep mode and runs at former set fan speed.
2) Processing SLEEP mode, the vane works according to the preset, 10 hours later AC quits from sleep and works as the
former preset.
3) The set fan speed refers to the preset value before processing SLEEP mode. If the unit just on stand by before sleep
operation, the set value to be according to low speed. if AC preset in super speed, the set value will change to high speed,
while in Auto wind, it change to low speed.
Sleep process control
1) If the set temperature is changed during the period of sleep mode, it is also executed as the initial sleep set, and the
change time is reset to 0, the temperature change will be restarted, but the 10 hours running time will not be reset as 0, it
will accumulate continuously.
2) The fan speed can not be changed during sleep mode.
3) During the sleep period in cooling mode, the new set will be executed if the vane work status is changed, the anti-cold
angle will not be executed.
4) During the sleep period in heating mode, the wind speed and vane swinging for cold air prevention function is selected
first.
The sleep instruction in Cooling or Heating of I FEEL mode
1) The current set temperature is set as initial value if sleep mode has not been set before processing sleep mode.
2) If the set temperature is changed, the change times is reset to 0, the new set temperature will be executed, 10 hours
timing will be continued.
3) There is other operation during sleep mode, e.g. vane operation, AC keeps operation continuously with the initial value no
exchanged.
4) The sleep mode category is changed during sleep operation, the initial set temperature in cooling or heating of I FEEL
mode will be set as initial running value if no temperature adjustment; or the temperature after increased or decreased
will be set as initial running value after temperature adjustment; and the change times is reset to 0, 10 hours timing
accumulation will be restarted.
5) The unit works according to the new set temperature when operating remote controller or other controller to quit sleep mode.
7. Auto Restart Function (Optional) .
7.1 PCB with auto restart function will keep the operation parameters in EEPROM even with power off. And the unit
can restore operation as the former status automatically while power is on.
7.2 The status parameters include the set mode, fan speed, set temperature and the vane blade position when unit
is off (the swinging status will be remembered when the vane was set as swinging)
7.3 Pressing sleep button 10 times within 8 seconds during running status, the Auto Restart Function could be
activated or turned off; The buzzer sounds 3 times BIBI when activated and 4 times BIBI when function is turned off
(operate with remote controller).
8. ECO function
8.1 The adjustable temperature: 16°C-31°C or 61°F-88°F.
8.2 The action temperature and running of compressor is the same as cooling mode.
8.3 The fan speed setting and other assistant function same as cooling mode.
17
OPERATION
The 1st change
The 1st change
The 1st change
The 2nd change
The 2nd change
The 2nd change
ST(F)
ST(F)
ST(F)
runing time
runing time
runing time
ST(F)
ST(F)
ST(F)
60
60
60
12 9
12 9
12 9
0 6
0 6
0 6
60
60
60
78
78
78
60
60
60
60
60
60
77
77
77
60
60
60
60
60
60
75
75
75
60
60
60
no change
no change
no change
60
60
60
60
60
60
no change
no change
no change
no change
no change
no change
set speed
set speed
set speed
The 3rd change
The 3rd change
The 3rd change
runing time
runing time
runing time
ST(F)
ST(F)
ST(F)
runing time
runing time
runing time
78
78
78
0 6
0 6
0 6
9 3
9 3
9 3
77
77
77
60
60
60
75
75
75
75
75
75
60
60
60
no change
no change
no change
60
60
60
no change
no change
no change
60
60
60
no change
no change
no change
only High speed change to Med speed, otherwise keep the set fan speed
only High speed change to Med speed, otherwise keep the set fan speed
only High speed change to Med speed, otherwise keep the set fan speed
keep original
keep original
keep original
The 4th change
The 4th change
The 4th change
The 5th change
The 5th change
The 5th change
ST(F)
ST(F)
ST(F)
runing time
runing time
runing time
ST(F)
ST(F)
ST(F)
60
60
60
60
60
60
no change
no change
no change
no change
no change
no change
60
60
60
60
60
60
no change
no change
no change
no change
no change
no change
60
60
60
60
60
60
no change
no change
no change
no change
no change
no change
60
60
60
60
60
60
no change
no change
no change
no change
no change
no change
60
60
60
60
60
60
no change
no change
no change
no change
no change
no change
The 6th change
The 6th change
The 6th change
runing time
runing time
runing time
ST(F)
ST(F)
ST(F)
60
60
60
no change
no change
no change
60
60
60
no change
no change
no change
60
60
60
no change
no change
no change
60
60
60
no change
no change
no change
60
60
60
no change
no change
no change

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