Mitsubishi Electric MLZ-KY06NA - U1 Service Manual page 15

(6) SWING ( ) mode
By selecting SWING mode with VANE CONTROL button, the horizontal vanes swing vertically.
When COOL, DRY or FAN mode is selected, only the upper vane swings.
(7) Cold air prevention in HEAT operation
The horizontal vane position is set to Upward.
(8) ECONO COOL ( ) operation (ECONOmical operation)
When ECONO COOL button is pressed in COOL mode, set temperature is automatically set 4°F(2°C) higher by
microprocessor. However, the temperature on the LCD screen on the remote controller is not changed.
Also the horizontal vane swings in various cycle.
SWING operation makes you feel cooler than set temperature. So, even though the set temperature is higher, the
air conditioner can keep comfort. As a result, energy can be saved.
To cancel this operation, select a different mode or press one of the following buttons in ECONO COOL operation:
ECONO COOL, WIDE VANE CONTROL or VANE CONTROL button.
2. Vertical vane
(1) Press WIDE VANE CONTROL button to change horizontal airflow direction.
•The vertical vane moves for about 30 seconds.
(After 30 seconds, the vertical vane moves to its original position. In this case, press WIDE VANE CONTROL button
again.)
(2) Press WIDE VANE CONTROL button again to set horizontal airflow direction.
•The vertical vane stops and the airflow direction is set.
(3) Positioning
To confirm the standard position, the vane moves until it touches the vane stopper. Then the vane set to the desired
angle.
Confirming of standard position is performed in the following cases:
(a) When OFF/ON (stop/operate) button is pressed (POWER ON).
(b) When SWING is started.
8-7. DRAIN PUMP CONTROL
1. Drain pump
Operating condition:
1. During COOL, DRY, or emergency COOL operation
2. When the drain sensor detects the water level above the fixed point during the following states:
(a) Standby during multi system operation
(b) Standby while the ON timer is set
(c) Operation stop
3. When there is a failure on the drain sensor
Drain pump operates in conditions 1,2 or 3.
Stop conditions:
States other than 1 or 2 indicated above
OBH922
15