Access To The Technician / Oem Area - Honeywell SDC heating and district heating controller Service Manual

Operation
5.1.2.9
46

Access to the technician / OEM area

Entering a technician or OEM code enables additional setting
options in the parameter menu. The technician code is:
For access to the OEM area, please ask your field-service contact
partner.
Procedure:
► Press the and
number of the 4-digit code flashes.
► Set the first code number by turning the input button.
► Press the input button. The second number flashes.
► Enter all remaining code numbers as described in Steps 2 and
3. After entering the last code number, the controller is
enabled for the respective area (technician or OEM).
► Press and hold the rotary button longer than 3 seconds. You
reach the menu-selection level and can enter / modify
parameters.
Pressing the button jumps back to the previous selection.
Pressing the button, pressing and holding the input button
longer than 3 seconds or waiting until the set info time expires
causes a jump back to the basic display.
buttons simultaneously. The first
SDC / DHC
1234.
EN2H-0221GE51 R0808