Timer Operation - Mitsubishi Electric MSC-CA20VB Service Technical Manual

2. Vertical vane
(1) Vane motor drive
These models are equipped with a stepping motor for the vertical vane. The rotating direction, speed, and angle of the
motor are controlled by pulse signals (approx. 12V) transmitted from microprocessor.
(2) The vertical vane angle and mode change as follows by pressing WIDE VANE button.
1
(3) Positioning
The vane is once pressed to the vane stopper to confirm the standard position and then set to the desired angle.
Confirming of standard position is performed in case of follows.
(a) When OPERATE/STOP(ON/OFF) button is pressed (POWER ON/OFF).
(b) When SWING is started or finished.
(c) When the power supply turns ON.
(4) SWING MODE (
By selecting SWING mode with WIDE VANE button, the vertical vane swings horizontally. The remote controller displays
" ". The vane moves right and left in the width of Angle 4 repeatedly.
(5) WIDE MODE ( )
By selecting WIDE mode with WIDE VANE button, indoor fan speed becomes faster than setting fan speed on the
remote controller (W). The remote controller displays "
W Indoor fan speed becomes faster than setting fan speed on the remote controller even when
selected.

2-7. TIMER OPERATION

1. How to set the timer
(1) Press OPERATE/STOP (ON/OFF) button to start the air conditioner.
(2) Check that the current time is set correctly.
NOTE : Timer operation will not work without setting the current time. Initially "AM0:00" blinks at the current time display of
TIME MONITOR, so set the current time correctly with CLOCK SET button.
(3) Press ON/OFF TIMER buttons to select the operation.
"ON-TIMER" button... AUTO START operation (ON timer)
"OFF-TIMER" button... AUTO STOP operation (OFF timer)
(4) Press HR. and MIN. button to set the timer. Time setting is 10-minute units.
HR. and MIN. button will work when "
These marks disappear in 1 minute.
After setting the ON timer, check that OPERATION INDICATOR lamp of the indoor unit lights.
NOTE1 : Be sure to place the remote controller at the position where its signal can reach the air conditioner even during
TIMER operation, or the set time may deviate within the range of about 10 minutes.
NOTE2 : Reset the timer in the following cases, or the set time may deviate and other malfunctions may occur.
• A power failure occurs.
•The circuit breaker functions.
2. Cancel
TIMER setting can be cancelled with ON/OFF TIMER buttons.
To cancel ON timer, press "ON-TIMER" button.
To cancel OFF timer, press "OFF-TIMER" button.
TIMER is cancelled and the display of set time disappears.
2 3
)
Horizontal AIR FLOW blowing range
4 SWING
".
About 100-
" or " " mark is flashing.
22
5 6
or is