Electra DNG 18 Service Manual page 152

INFRARED REMO TE CONTROL RECEIVER
COOL: Cooling LED
HEAT : Heating LED
TIMER : T imer active
Operation LED. Comes on when the system is operating.
OPER :
Flashes to indicate reception of an infrared signal.
Standby LED . Lit when the system is connected and
STBY:
ready to receive commands from the remote control unit.
Emergency switch. In case of unavailability of the remote
MODE:
unit, this switch is used to select heating or cooling.
Infrared signal receiver
NOTE:
The COOL and HEA T LEDs only come on when the receiver
MODE switch is used.
2
APPENDIX A