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(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 the following cases.
(a) When the operation starts or finishes (including timer operation).
(b) When the test run starts.
(c) When multi-standby starts or finishes.
11-7. AUTO VANE OPERATION
1. Horizontal vane
(1) Vane motor drive
These models are equipped with a stepping motor for the horizontal vane. The rotating direction, speed, and angle of
the motor are controlled by pulse signals (approx. 12V) transmitted from indoor microprocessor.
(2) The horizontal vane angle and mode change as follows by pressing VANE CONTROL button.
(4) VANE AUTO ( ) mode
In VANE AUTO mode, the microprocessor automatically determines the vane angle and operation to make the optimum
room-temperature distribution.
Upward
(1) In COOL and DRY operation
(2) In HEAT operation (MSZ)
MSZ-A09/12/15/17
MSY-A15/17
MSZ-A24
MSY-A24
Vane angle is fixed to Horizontal position or Angle 1.
Vane angle is fixed to Angle 4.
(6) Dew prevention
During COOL or DRY operation with the vane angle at Angle 2 ~ 4 (A09 ~ 17) / Angle 3 ~ 5 (A24) when the compressor
cumulative operation time exceeds 1 hour, the vane angle automatically changes to Angle 1 for dew prevention.
(5) STOP (operation OFF) and ON-TIMER standby
In the following cases, the horizontal vane returns to the closed position.
(a) When OPERATE/STOP (ON/OFF) button is pressed (POWER OFF).
(b) When the operation is stopped by the emergency operation.
(c) When ON-TIMER is ON standby.
NOTE: When 2 or more indoor units are operated with multi outdoor unit, even if any indoor unit turns thermostat off,
this control doesn’t work in the indoor unit.
(8) Cold air prevention in HEAT operation (MSZ)
The horizontal vane position is set to Upward.
(7) SWING MODE ( )
By selecting SWING mode with VANE CONTROL button, the horizontal vane swings vertically. The remote controller
displays “
”
.
OB450B-2.qxp 07.5.14 4:17 PM Page 45