Fujitsu AB Series A18LATN, Service Instruction

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05-23
[ Heating ]
T0 > 20°C
T0 < 12°C
=
T0: Outdoor temperature
850/ 780 rpm
780/ 780 rpm
350/ 350 rpm
850/ 750 rpm
780/ 780 rpm
280/ 280 rpm
400/ 0 rpm
520/ 520 rpm 350/ 350 rpm 300/ 0 rpm 350/ 0 rpm
200/ 200 rpm
170/ 170 rpm
150/ 150 rpm
13.0A / 12.5A 13.0A / 12.5A
15.0A / 14.5A
18.0A / 17.5A
15.0A / 14.5A
Outdoor unit fan speed (UP / LO)
[ Cooling ]
T0 > 46°C
=
T0: Outdoor temperature
11.0A / 10.5A 11.0A / 10.5A 11.0A / 10.5A 11.0A / 10.5A 11.0A / 10.5A 11.0A / 10.5A
11.5A / 11.0A
12.0A / 11.5A
12.0A / 11.5A 12.0A / 11.5A
14.0A / 13.5A 12.0A / 11.5A
14.5A / 14.0A 14.5A / 14.0A
15.0A / 14.5A
17.5A / 17.0A 18.0A / 17.5A
17.5A / 17.0A
14.0A / 13.5A 14.0A / 13.5A
Outdoor unit fan speed (UP / LO)
T0 < 0°C
46°C > T0 > 40°C
=
20°C > T0 > 12°C
=
40°C > T0 > 31°C
=
31°C > T0 > 25°C
=
25°C > T0 > 13°C
=
13°C > T0 > 7°C
=
7°C > T0 > 0°C
=
2-2. For AB*A36/ 45LATN
(Table 13-2 : Current Release Operation Value / Release Value)
3. ANTIFREEZING CONTROL (Cooling and Dry mode)
The compressor frequency is decrease on cooling & dry mode when the indoor heat exchanger
temperature sensor detects the temperature lower than Temperature .
Then, the anti-freezing control is released when it becomes higher than Temperature .
(Table 14 : Anti-freezing Protection Operation / Release Temperature)
Outdoor temperature
Over than 10 °C
*1
or 12°C
*2
Less than 10 °C
*1
or 12°C
*2
*1. When the temperature rises.
*2. When the temperature drops.
4°C
7°C
13°C
Temperature Temperature