Toshiba RAS-22 Owner's Manual page 6

18 OPERATION AND PERFORMANCE
1. Three-minute protection feature: To prevent the unit from being
activated for 3 minutes when suddenly restarted or switched to ON.
2. Preheating operation: Warm up the unit for 5 minutes before the heating
operation starts.
3. Warm air control: When the room temperature reaches the set
temperature, the fan speed is automatically reduced and the outdoor
unit will stop.
4. Automatic defrosting: Fans will stop during defrost operation.
5. Heating capacity: Heat is absorbed from outdoors and released into
the room. When the outdoor temperature is too low, use another
recommended heating apparatus in combination with the air conditioner.
6. Consideration for accumulated snow: Select the position for outdoor unit
where it will not be subjected to snow drifts, accumulation of leaves or
other seasonal debris.
7. Some minor cracking sound may occur when unit operating. This is
normal because the cracking sound may be caused by expansion/
contraction of plastic.
Note: Item 2 to 6 for Heating model
Air conditioner operating conditions
Temp.
Outdoor Temperature
Operation
Heating
Cooling
Dry
19 TROUBLESHOOTING (CHECK POINT)
The unit does not operate.
● The power main switch is
turned off.
● The circuit breaker is activated
to cut off the power supply.
● Stoppage of electric current
● ON timer is set.
Room Temperature
–15°C ~ 24°C Less than 28°C
–15°C ~ 46°C 21°C ~ 32°C
–15°C ~ 46°C 17°C ~ 32°C
Cooling or Heating is abnormally low.
● The fi lters are blocked with dust.
● The temperature has been set
improperly.
● The windows or doors are opened.
● The air inlet or outlet of the outdoor
unit is blocked.
● The fan speed is too low.
● The operation mode is FAN or DRY.
20 REMOTE CONTROL A-B SELECTION
To separate using of remote control for each indoor unit in case of 2 air
conditioners are installed nearly.
Remote Control B Setup.
1. Press RESET button on the indoor unit to turn the air conditioner ON.
2. Point the remote control at the indoor unit.
3. Push and hold button on the Remote Control by the tip of the
pencil. "00" will be shown on the display. (Picture 1)
4. Press during pushing
"00" will disappear and the air conditioner will turn OFF. The Remote
Control B is memorized. (Picture 2)
Note: 1. Repeat above step to reset Remote Control to be A.
2. Remote Control A has not "A" display.
3. Default setting of Remote Control from factory is A.
1
. "B" will show on the display and
2