Program Timer - Mitsubishi MCFH-13NV Service Manual

(8) Cold air prevention in HEAT operation.
When any of the following conditions occurs in HEAT operation, the angle of horizontal vane automatically changes to
Position 1 to prevent cold air blowing on users.
1 Compressor is not operating.
2 Defrosting is performed.
3 Indoor coil thermistor RT12 reads 24: or below.
4 Indoor coil thermistor RT12 temperature is raising from 24: or below, but it does not exceed 28:.
Indoor coil thermistor RT12 temperature
NOTE : If the temperature of RT12 reads from 24: to 28: at the air conditioner starting, this control works.
9-6. 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-TIMER, OFF-TIMER button to select the operation.
" " button ... AUTO START operation (ON 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 the TIMER CONTROL buttons. ("
To cancel the ON timer, press the "
To cancel the OFF timer, press the "
TIMER is cancelled and the display of set time disappears.

PROGRAM TIMER

The OFF timer and ON timer can be used in combination.
" " and " " display show the order of the OFF timer and ON timer operation.
(Example 1) The current timer is 8:00 PM.
The unit turns off at 11:00 PM, and on at 6:00 AM.
Released
Cold Air Prevention
24:
" or " " button is flashing.
" button.
" button.
(Example 2) The current time is 11:00 AM.
PM
AM
39
Horizontal vane
Set position
Position 1
28:
" or " ")
The unit turns on at 5:00 PM, and off at 9:00 PM.
PM
PM