AY-A126E
AE-A126E
8. Anti-sweating11.Delayed operation of the reverse valve
When the operation continues 30 minutes in coolingWhen the heat operation is shut down or the operating
zone or dehumidifying zone during dry operation or inmode is switched from heat to cool or dry, or vice
continuous compressor operation during cool operation,versa, the reverse valve does not function in the 3-
the fan speed of indoor fan motor shifts up, from OUL�minute delay period, and it functions after the 3-minute
to OL� or from OD� to OUL�.delay period is over.
9. Freeze preventive12.Test run
When the indoor pipe temperature falls below -1uCIf the OTEST RUN� button in the unit is pushed during
during cool operation or dry operation, the compressorsuspension of operation, cool test operation starts. At
is stopped.this time, the fan speed is set to OAUTO�. If this button
is pushed during operation, the test operation starts in
10.Defrostcurrent operation mode. The operation LED (red) flickers
(The defrost timer counts time during heat operationduring test run. During cool operation and heat
without defrost operation.) The frost of outdoor pipe isoperation, the compressor is kept on but in dry operation
estimated by indoor pipe temperature (TH2), roomit is set in the dehumidifying zone. In fan only mode the
temperature (TH1) and operation state of compressor.indoor fan motor runs continuously.
In the defrost operation, first the compressor is turned
off, the indoor fan speed is set to OUL� and the outdoor13.Timer
fan motor is turned off. 30 seconds later the indoor fan13-1 24-HOUR PROGRAMMABLE ON/OFF TIMER
motor is turned off, 50 seconds later the reverse valveON-TIMER or OFF-TIMER can be independently
is turned off, and 60 seconds later the compressor isprogrammed. When the unit operates during one
turned on. At the end of defrosting, the compressor ishour after the OFF-time is set, thermostat setting
turned off, the outdoor fan motor is turned on, 50is automatically shifted (+1uC in cool operation
seconds later the reverse valve is turned on, 60and dry operation, -3uC in heat operation, but,
seconds later the compressor is turned on, starting16uC set temperature at the lowest).
heat operation. At this time, the indoor fan motor isWhen the ON-timer is set in heat operation and
turned off or the fan speed is set to OUL� if preheat aircool operation, operation starts 0 to 30 minutes
flow function is effective.early depending on the room temperature, so that
the pre-set temperature is obtainded at the set
Heat operation start
time.
DefrostDefrost
HeatingHeatingHeating
13-2 ONE-HOUR TIMER
MIN.MAX.MIN.MAX.When ONE-HOUR timer is set, the unit turns off
40min.12min.30min.12min.
automatically after one hour. The one hour timer
operation has priority over other time operation,
time
such as the TIMER ON and TIMER OFF. If the
Figure Y-11
ONE-HOUR TIMER button is pressed again during
Defrost end
operation, the unit will operate additionally for
Defrost start
60sec.60sec.
another one hour.
ON
Compressor
OFF
ONMAX. 10min.
Reverse
50sec.
valve
OFF
50sec.
ON
Outdoor
fan motorOFF
ON
UL
IndoorUL
fan motor
OFF
30sec.
Preheat air
timeflow control
Figure Y-12
12 |
ACEC
