Other Functions; Dehumidifying Mode; Auto Mode; Fan Only Mode - Fisher FSK-94HF Technical & Service Manual

Cassette type air-conditioner (one-way cassette)
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Temp. up
Temp. down

3.5 Dehumidifying Mode

3.5.1 Dehumidifying mode is the cooling operation, under which the indoor fan is high and outdoor fan is low.
3.5.2 Protective condition is actived.

3.6 Auto Mode

3.6.1 Under auto mode, the indoor fan is set to be auto (refer to auto fan under cooling, heating).
3.6.2 When entering auto mode, the heating, fan only or cooling operation will be automatically chosen according
to the room temperature Ta and the set temperature Ts.
3.6.2.1 When Ta < Ts - 1°c, it performs the heating operation with a set temperature of Ts - 1°c (refer to the
heating mode). However the cool only model will be in low fan.
3.6.2.2 When Ts + 2°c ≥ Ta ≥ Ts - 1°c, control according to cooling auto fan with a set temperature of 23°c.
3.6.2.3 When Ta > Ts +2°c, it performs the cooling operation with a set temperature of Ts (refer to the cooling
mode).
3.6.3 After one mode is chosen, if the condition Ta > Ts+1°c or Ta < Ts - 1°c lasts for 15 minutes, meanwhile the
compressor doesn't start up within consecutive 15 minutes, the operation mode will be re-chosen according
to the Ta and Ts.
3.6.4 Protective condition is actived.

3.7 Fan Only Mode

3.7.1 Under this mode, four-way valve, compressor and outdoor fan are shut down.
3.7.2 High/Low/Auto fan can be switched over through manual control. Auto fan will be controlled in line with
cooling auto fan with temperature set to be 23°C.
3.7.3 After entering fan mode, the operating indicator is on. If the model is cooling only mode, fan indicator is on
at the same time.

4. Other Functions

4.1 LED Display

Operation lamp, timer lamp, defrosting/pre-heating lamp, and water level alarm lamp.
4.1.1 Operation Lamp
When the operation is recovering, it will blink at 1 Hz.
After the air-conditioner is on, the lamp will keep on.
After the air-conditioner is off, the lamp will be off.
When the air-conditioner is switched over from manual cooling to remote control, the lamp will be off.
4.1.2 Timer Lamp
During timer operation, it will be on.
4.1.3 Defrosting/Pre-Heating Lamp
When heat pump model performs defrosting or anti-cold air, it will be on.
Condition (T=Indoor Temp.-Setting Temp.)
T<4
T>4
T> 1
T<1
Indoor fan speed
Low
High
High
Low
13

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