1
5
4
3
2
6
1
Infrared Receiver Window
2
Power LED
Wired Wall Controller mode — on when power is applied to unit.
Infrared Controller mode — on while cassette unit is in ON mode;
off while unit is in OFF mode.
Cooling LED
On when unit is in cooling operation.
Heating LED
On during calls for heat.
5
Timer/Alarm LED
On steady while unit is in Sleep Timer mode; fl ashes to indicate
fault codes.
6
Clear Filter Warning Button
Hold for 3 seconds to clear Clean Filter warning (indicated when
Timer/Alarm LED, item 5, fl ashes 4 times)
CAHV CONTROLLER OVERVIEW
Figure 38 - Unit-Mounted Receiver — Chassis-Mounted Display
3
4
29