Honeywell SDC Service Manual page 232

Hydraulic Components
Room setpoint
correction
Display
NOTE
232
The input button can be used to modify the room temperature set
at the central device by +/-6 K referenced to the central position.
Turn clockwise: Temperature increase
Turn anti-clockwise: Temperature decrease
The indicator display is comprised of three LEDs. The possible
states are listed in the table below:
Control mode/Function Moon LED Clock LED Sun LED
Automatic
Permanent heating
Permanent reduction
Start-up phase
Error at address setting
Bus fault as well as
indication when
parameters are disabled
Party (can be set via
central device)
Absent (can be set via
central device)
Holiday (can be set via
central device)
Definition:
Flashing:
Brief
flashing:
Flash:
The operation indication is updated immediately after adjustment
when adjusted at the SDC 10 and at the latest after about 20 sec.
after adjustment when adjusted at the central device.
In all other control modes not defined in the table above, all three
LEDs are activated.
OFF ON
OFF OFF
ON OFF
BRIEF BRIEF
FLASHING FLASHING
FLASHING ON
ON FLASHING ON
OFF OFF
FLASHING OFF
OFF Flash
0.8 sec. on and 0.8 sec. off
0.08 sec. on and 0.7 sec. off
0.08 sec. on and 1.4 sec. off
EN2H-0221GE51 R0812
SDC / DHC
OFF
ON
OFF
BRIEF
FLASHING
ON
FLASHING
OFF
OFF