Mitsubishi Electric MSC-A07YV-E1 Service Manual page 12

(3) Warm air control.
When the following any condition of 1 (a. ~ c.) and the condition of 2 are satisfied at the same time, warm air control
works.
1 a.) When outdoor unit starts operating in HEAT mode.
b.) When cold air prevention has been released.
c.) When defrosting has been finished
2 When the temperature of indoor coil thermistor RT12 is less than 37°C.
When warm air control works, the fan speed changes as follows to blow out warm air gradually.
Gradation of fan speed in initial
The upper limit of the fan speed in MANUAL is the set speed.
The upper limit of the fan speed in AUTO is the speed decided by indoor fan speed control.(Refer to 8-4.2.(1).)
When the temperature of RT12 has been 37°C or more, or when the set speed has been changed, this control is
released and the fan speed is the set speed.
NOTE: As for high pressure protection, defrosting and R.V. coil control, refer to service manual for outdoor unit.
8-5. "I FEEL CONTROL" (
(1) Press OPERATE/STOP(ON/OFF) button.
OPERATION INDICATOR lamp of the indoor unit turns on
with a beep tone.
(2) Select "I FEEL CONTROL"(
TION SELECT button.
(3) The operation mode is determined by the initial room tem-
perature at start-up of the operation, as shown on the
right table.
Once the mode is fixed, the mode does not change by room temperature afterwards.
Under the ON-TIMER (
tion starts.
When the system is stopped on the remote controller and restarted within 2 hours in "I FEEL CONTROL" (
the system operates in previous mode automatically regardless of the room temperature.
Operation time chart
When the system is restarted after 2 hours and more, the operation mode is determined by the room temperature at
start-up of the operation.
Operation time chart
<Time condition>
less than 2 minutes
2 minutes to 4 minutes
more than 4 minutes
) OPERATION
) mode with the OPERA-
) operation, mode is determined according to the room temperature at set time the opera-
Example
Previous operation
COOL mode of
"I FEEL CONTROL"
or COOL mode
Example
Previous operation
COOL mode of
"I FEEL CONTROL"
or COOL mode
<Indoor fan speed>
Low
Med.
High
Initial room temperature
MU & MUX type
MUH &MXZ type
25: or more
25: or more
more than13:,
23:or more,
less than 25:
less than 25:
less than 23:
Restart
COOL mode of
"I FEEL CONTROL"
Restart
COOL or DRY or
HEAT mode of "I FEEL
CONTROL" that deter-
mined by room tem-
perature at start-up of
the operation.
12
Mode
COOL mode of
"I FEEL CONTROL"
DRY mode of
"I FEEL CONTROL"
HEAT mode of
"I FEEL CONTROL"
) mode,