Service manual

6
4. FUNCTION OF MAIN COMPONENTS
• FAN & COOLING CONTROL
The Fan Control Selector Switch has six positions.
Choose one of the speed settings by rotating the fan control Selector Switch to the appropriate position
OFF Select this setting for stop all operation of air conditioner
FAN Select this setting for low speed air circulation without cooling and
heating.
LOW COOL Select this setting for cooling operation with LOW FAN.
HIGH COOL Select this setting for cooling operation with HIGH FAN.
LOW HEAT Select this setting for Heating operation with LOW FAN.
HIGH HEAT Select this setting for Heating operation with HIGH FAN.
• TEMPERATURE CONTROL
Choose a temperature settings by rotating the knob of thermostat to the appropriate position
• The Thermostat automatically starts and stops operation in order to keep the room
temperature at a proper level, and this results in efficient use of power and economical
cooling.
• Turn clockwise for a cooler room temperature.
• Turn counter-clockwise for a warmer room temperature.
• HEATER LAMP
When the unit sets heating operation condition, the red lamp is lighted.
When the frost settles on the heat exchanger of the outside, defrosting is made automatically and the red lamp is turned
off.
The unit may give a hiss and the fan motor stops for 1 to 10 minutes.
This should not be regarded as a problem.
After defrosting, the heating operation begins again.
NOTE
• ECONOMICAL AND COMFORTABLE USE
1. Properly control the room temperature.
2. Avoid being exposed to direct sunlight.
Keep direct sunlight from the room
3. Prevent the wind from entering the room.
WARMER COOLER
HIGH
COOL
LOW
COOL
HIGH
HEAT
LOW
HEAT
FANFAN
OFF
SELECTOR
WARMER COOLER
THERMOSTAT
CAUTION
When the air conditioner has been performing its cooling operation and is turned “OFF” or set to the ‘FAN”
position, wait at least 3 minutes before resetting to the cooling operation.
• DWA-181CH/DWA-240CH-R/DWB-180CH-R/DWB-240CH-R