Johnson Controls DCX18CSB21S Service Manual Download

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Technical Information

Service Manual

7. SLEEP button

9. I FEEL button

10. LIGHT button

11. CLOCK button

12. TIMER ON / TIMER OFF button

Under COOL, HEAT or DRY mode, press this button to start up sleep function. " " icon is displayed on remote controller. Press this button
again to cancel sleep function and " " icon will disappear.

Press this button to start I FEEL function and " " will be displayed on the remote controller. After this function is set, the remote controller

will send the detected ambient temperature to the controller and the unit will automatically adjust the indoor temperature according to the
detected temperature. Press this button again to close I FEEL function and " " will disappear.

● Do not put the remote controller near

object of high temperature

or low temperature in order to avoid detecting inaccurate ambient

temperature.

Press this button to turn off display light on indoor unit. "

" icon on remote controller disappears. Press this button again to turn on

display light. "

" icon is displayed.

Press this button to set clock time. "

" icon on remote controller will blink. Press "▲" or " ▲ " button within 5s to set clock time. Each

pressing of "▲" or " ▲ " button, clock time will increase or decrease 1 minute. If hold "▲" or " ▲ " button, 2s later, time will change quickly.
Release this button when reaching your required time. Press "CLOCK" button to confirm the time. " " icon stops blinking.

Note:

● Clock time adopts 24-hour mode.
● The interval between two operation

can’t exceed 5s. Otherwise, remote controller will quit setting status. Operation for TIMER ON/TIMER

OFF is the same.

● TIMER ON button

"TIMER ON" button can set the time for timer on. After pressing this button, " " icon disappears and the word "ON" on remote controller

blinks. Press "▲" or " ▲ "button to adjust TIMER ON setting. After each pressing "▲" or " ▲ " button, TIMER ON setting will increase or
decrease 1min. Hold "▲" or " ▲ " button, 2s later, the time will change quickly until reaching your required time. Press "TIMER ON" to
confirm it. The word "ON" will stop blinking. " " icon resumes displaying. Cancel TIMER ON: Under the condition that TIMER ON is

started up, press "TIMER ON" button to cancel it.

● TIMER OFF button

"TIMER OFF" button can set the time for timer off. After pressing this button," " icon disappears and the word "OFF" on remote

controller blinks. Press "▲" or " ▲ " button to adjust TIMER OFF setting. After each pressing "▲" or " ▲ " button,
TIMER OFF setting will increase or decrease 1min. Hold "▲" or " ▲ " button, 2s later, the time will change quickly until reaching your
required time. Press "TIMER OFF" word "OFF" will stop blinking. " " icon resumes displaying. Cancel TIMER OFF. Under the condition

that TIMER OFF is started up, press "TIMER OFF" button to cancel it.

Note:

● Under on and off status, you can set TIMER OFF or TIMER ON simultaneously.
● Before setting TIMER ON or TIMER OFF, please adjust the clock time.
● After starting up TIMER ON or TIMER OFF,

the

air conditioner will be turned on or turned off

according to setting time. ON/OFF button has no effect on setting. If you don’t need this function, please use remote controller to cancel it.

8. TEMP button

By pressing this button, you can see indoor set temperature, indoor ambient temperature or outdoor ambient temperature on indoor
unit’s display. The setting on remote controller

is selected

sequentially

as below:

● When selecting " " o

r no di

splay

with remote controller, temperature indicator on indoor unit displays set temperature.

● When selecting " " with remote controller, temperature indicator on indoor unit displays indoor ambient temperature.
● When selecting "

" with remote controller, temperature indicator on indoor unit displays outdoor ambient temperature.

Note:

● Outdoor temperature display is not available for some models. At that time, indoor unit receives "

"signal, while it displays indoor set