Friedrich C24YJ Owner's Manual page 7

Operation Indication Lamps
[Ceiling Cassette Type]
On/Off
Filter Sign
Timer
Defrost Mode
• Forced
* Hot start operation: Stops the indoor fan in heating operation for minutes to prevent cold air from blowing out
from unit.
* In defrost mode unit stops heating operation for few minutes to remove formation of ice on the heat
exchanger coils to maintain the efficiency.
Operating Method
1. The signal receiver is inside the unit.
2. Aim the remote controller towards the unit to operate it.
There should not be any blockage in between.
: Lights up during the system operation.
: Lights up after 2400 hours from the time of first operating unit.
: Lights up during Timer operation.
: Lights up during Defrost Mode or Hot Start operation.(Heat pump model only)
: To operate the unit when the remote control can't be used
for any reason.
Ceiling Cassette Type
Product Introduction
Owner's Manual 7