Honeywell DHC, Service Manual

Page: 28 / 262

Operation SDC / DHC
28 EN2H-0221GE51 R0812
The selected operating mode appears in plain text, whereby a
marking at the bottom edge of the display points to the respective
operating mode symbol at the same time. In operating mode 1,
the set value for all heating circuits is the same. In operating
mode 2, the set value applies for the respective heating circuit. To
set the operating mode, see 5.2.3.3 Operating mode, pg. 74.
► Press
button.
► Select operating mode by turning the input button

. The
marking is located above the corresponding operating mode
symbol.
► Confirm set operating mode by pressing the
button or the
input button

.
► With short-term operating modes (ABSENT, PARTY), set the
desired value by turning the input button

and confirm with
the button or the input button

.
Alternative: Automatic acceptance of the value after the set
information time (see 5.1.2.7 "System information" button, pg. 35).
Press the button for approx. 3 s to return to the basic display
from any operating level.
Holiday mode is set via the "Switching time programs / Holiday
programs" button (see 5.1.2.6 "Switching time programs / Holiday
programs" button, pg. 33).
5.1.2.5.1 Absence mode (short-term program)
With the ABSENT operating mode, heating operation is
temporarily deactivated and protected from frost during brief
absences. During the absence, all heating circuits are adjusted to
the specified lowered room temperature. Once the set time
expires, the heating circuits automatically return to the operating
mode that was active before the switch to the absence operation.
Short-term programs such as PARTY or ABSENT are skipped
here.
See 5.1.2.5 "Operating mode" button (basic display) , pg. 26
Short absence while heating operation is active.
Setting
Return to the basic
display
NOTE
Setting
Application
Cancellation