Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 427

¢ System diagrams
• Control signal might not be recognized in following cases:
– A curtain or wall, etc. exists between transmitter and receiver.
– There is an instant-start type (inverter type, etc.) fluorescent lamp in the room.
• Air conditioner might not work correctly when strong light hits the signal receiver window.
Shut off the direct sunlight and also make illuminator far away from the signal receiver window.
2-12. Wireless remote controller (UTY-LNHU)
Signal transmitter
- (05-89) -
Signal receiver window
2. Control units