Mitsubishi Electric SRK19CIS, Technical Manual

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16
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4.7 Outline of cooling operation
(1) Operation of major functional components
(2) Fan speed switching
(a) Auto fan control
The indoor fan is automatically controlled in accordance with the difference between the room temperature (detected by the
room temperature sensor) and the termostat setting as shown below.
Indoor fan motor
Flap and louver
Display
Outdoor fan motor
Electric expansion valve
ON
ON or OFF
Lights up
Depending on the stop mode
ON
ON or OFF
Lights up
ON
Depending on the EEV control
OFF
Stop position control
Lights up or flashes
Depending on the stop mode
When the compressor
command is OFF
When the compressor
command is ON
When the compressor goes
OFF due to an anomalous stop.
Functional
components
Item
Air scroll
Swing flap or louver
Swing stop
Auto fan control
Speed 8
Speed 8
Speed 8
Speed 6
Speed 6
Speed 6
AUTO HIGH MED
Speed 4
Speed 4
Speed 4
LOW
Flow control
Fan speed switching
Speed 6
Speed 4
Thermostat setting point
Speed 8
+1 +2 +3 +4
(3) Thermostat operation
The compressor and outdoor fan and turned on and off as shown below according to the temperature setting.
(4) HIGH POWER operation ( “HI POWER” button on the remote control : ON)
The following operation is performed for 15 minutes without relation to the set temperature or fan speed setting.
(5) ECONOMY operation ( “ECONO” button on the remote control : ON)
The set temperature changes as shown at right, and the
indoor unit fan speed is set on speed 4.
Notes (1) Room temperature is not adjusted during the HIGH POWER operation.
(2) Protective functions will actuate with priority even during the HIGH POWER
operation.
OFF
ON
Set temp.
-1
Room temp.
Compressor
Outdoor fan
Indoor unit fan
Outdoor unit fan
Compressor
Speed 9 fixed
ON
ON
Running time
Running start ~ 1 hour
1~2 hours
2 hours ~
Set temperature compensation
Set tempe0.5
Set tempe1.0
Set tempe1.5