Before Installation - Nobu NBFS-48IDU Service Manual

Set SLEEP Mode with Remote Controlle
Use this mode for quiet environment. In running of air conditioner, operate as the following: Press SLEEP button
The air noise from the indoor unit will be lower,
In the SLEEP mode, press SLEEP button again to cancel the sleep mode.
Note:
After setting the SLEEP mode, if the air conditioner is in COOL or DEHUMIDIFY mode ,the set temperature will
automatically increase 1 °C after 1 hours, If the air conditioner is in HEAT mode while setting SLEEP mode, the set
temperature will decrease 2°C after 1 hour ,
Timing operation
Timing OFF operation:Set theOFF time and the air conditioner will automaticall A b pat the set time,
While the air conditioner is running, press the TIMING button, and the air conditioner enters timing OFF state, and "
TIMING OFF" and "TIMING" lamps will be on.
Press + or - button to set the desired timing OFF time. The set time ranges from 1 to 12 hours. The green lamps on the
display area show the set OFF time, that is, the time left to turn the unit off. The number of green lamps will decrease 1
hour every hour, and the rest amps indicate the left hours.
To cance the setting, press the TIMING button again. Under standby state, only TIMING OFF function can beset,
Timing ON operation: Set the ON time and the air conditioner will automatically start at the set time.
Whi e the air conditioner is at standby state, press TIMING button , and the air conditioner enters timing OFF state, and
"TIMING ON" and "TIMING" lamps will be on.
Press + or - button to set the desired timing ON time The set time ranges from 1 to 12 hours The green lamps on the
display area show the set ON time , that is , the time left to turn the unit off . The number of green lamps will decrease 1
hour every hour, and the rest lamps indicate the left hours.
To cance the setting, press the TIMING button again. Under standby state, only TIMING OFF function can beset.

Before installation:

Selection of installation positions for indoor unit
To be installed at the position where the air delivered from the unit can reach every corner of the room
Avoid to biockage the air inlet or outlet of the indoor nit
To avoid too much oil smoke or steam
Avoid possible generation,infiow,lingering or leakage of flamm gasee
Avoid high-frequency facilities (such as high frequency arc welders,etc.)
Not to install a fire alarm near the air outlet.
To avoid the places where acid solutions are frequently used