Continuous - Mitsubishi Electric MSH-XV07UV Service Manual

Time control
When the three conditions as follows have been satisfied for 1 hour and 45 minutes, the compressor stops for 3 minutes.
The indoor fan operates at the set speed.
a. Compressor has been continuously operating.
b. Indoor fan speed is Low or Med..
c. Room temperature is below 26°C.
When compressor stops, the accumulated time is cancelled. When compressor restarts, time counting starts
from the beginning.
Time counting also stops temporarily when the indoor fan speed becomes High or the room temperature exceeds
26°C. However, when two of the above conditions (b.and c.) are satisfied again, time accumulation is resumed.
Operation chart
Example
OFF
Compressor
Outdoor fan
ON
Indoor fan
8-1-2. DRY mode of "I FEEL CONTROL"
The system for dry operation uses the same refrigerant circuit as the cooling circuit.
The compressor and the indoor fan are controlled by the room temperature.
1. Indoor fan speed control
Indoor fan operates at the set speed by FAN SPEED CONTROL button.
In Auto fan speed becomes Low.
2. The operation of the compressor and indoor / outdoor fan
Compressor operates by room temperature control and time control.
Set temperature is controlled to fall 2°C from initial room temperature.
Indoor fan and outdoor fan operate in the same cycle as the compressor.
When the room temperature is 23°C or over:
When the thermostat is ON, the compressor repeats 8 minutes ON and 3 minutes OFF.
When the thermostat is OFF, the compressor repeats 4 minutes OFF and 1 minute ON.
When the room temperature is under 23°C.
When the thermostat is ON, the compressor repeats 2 minutes ON and 3 minutes OFF.
When the thermostat is OFF, the compressor repeats 4 minutes OFF and 1 minute ON.
Operation time chart
Example
OFF
Thermostat
Indoor fan
OFF
Outdoor fan
OFF
Compressor
3. Coil frost prevention
The operation is as same as coil frost prevention during COOL mode of "I FEEL CONTROL" operation.(Refer to 8-1-1.
COOL mode of "I FEEL CONTROL"- 2.)
However when coil frost prevention works while the indoor fan is OFF, it's speed becomes set speed.
8-1-3. HEAT mode of "I FEEL CONTROL"
1. Indoor fan speed control
(1) Indoor fan operates at the set speed by FAN SPEED CONTROL button.
In Auto the fan speed is as follows.
Set temperature minus room temperature: 2 degrees or more················································· High
Set temperature minus room temperature: Between 1 and 2 degrees ····································· Med.
Set temperature minus room temperature: less than 1 degree················································· Low
ON
( continuously at set speed)
ON
ON
ON
OFF
ON
ON
OFF
8 min. 3 min.
Initial temperature difference
ON
OFF
OFF
ON
OFF
ON
OFF
4 min.
1 min.
31
ON
Difference between room
temperature and set tem-
Fan speed
perature during operation
1 deg. 1.7 deg.
2 deg. 4 deg.