Carrier 40KMC------301 - Manual (Page 6)

GB - 5
40KMC------310/ 40KMQ------310
E N G L I S H
“Room controller” general information and characteristics
Table I: Unit protection devices
WARNING:
During heat pump operation the unit will undergo several defrost cycles to remove ice that might collect on the outdoor unit in very low ambient
temperatures. In these cycles, the indoor fan will be automatically off and cannot operate until defrost cycle is completed.
System Type of protection Effect of protection Operation mode When on
Cold draft prevention Indoor fan off
Heating in
During unit operation
heat pump mode
Heat pump
Defrost cycle Indoor fan off
Heating in
During unit operation
heat pump mode
Indoor coil
Compressor off Cooling During unit operation
Cooling only freeze protection
and
heat pump Against frequent Compressor Cooling or heating At unit start-up or
compressor cycling time delay in heat pump mode change of operating mode
A = Display readout
B = Increase
temperature /
change louvre
setting button
C = Decrease
temperature /
change louvre
setting button
D = Fan selection
button
E = Mode selection
button
C D E
A B
Characteristics
• Single unit operation:
Ability to control one unit only.
• Grouping:
Ability to control 2 to 6 units with one Room Controller.
• Operating modes:
Off, Heat, Cool, Dry, Auto, and Fan only.
• Fan speeds:
Low, Medium, High, and Auto.
• Louver control:
Auto and swing.
• Desired temperature:
Range between 17 and 32 °C (63 and 90 °F).
• Room Thermistor Override:
Allows to use air sensor located in the Room Controller instead
of the one located into the unit.
• Diagnostics:
Detects the fault of air sensor in the Room Controller.
“A1” shown on the screen indicates this anomaly.
“ UP ” and “ DOWN ” buttons
Buttons for raising or lowering the temperature or for selecting
the “
AUTO ” or “ SWING ” louver mode.
MODE
Button for operation mode selection.
FAN
Button for fan or louvre selection.
ቪ ቩ ቨ ቧ ቦ
ቢ ባ ቤ ብ
Display of selected functions
ቢ Automatic
ባ Off
ቤ Temperature
selected / room
temperature
ብ Set temperature
ቦ Operating
position of the air
louvre
ቧ Fan speed
ቨ Heating
ቩ Cooling
ቪ Dehumidification
only
up
down