User manual:
RDO3x3A
7
3.2.1 Display
of
special modes:
Special modes can be superimposed to the program by using push-buttons at the controller or the remote
control unit or via external inputs. Thus different temperature setpoints may be activated.
Superimposed modes (flashing symbols):
: Heating circuit
: DHW heating circuit
: Boiler circuit (heat generator)
Special mode (displays 1 and 2):
EC
6h Economy mode: " " or "
" active for the indicated time period.
PA
3h Party mode: "
" active for the indicated time period.
HO
15.02 Holiday mode: Setpoint
/ active. Heating will be resumed
1
on the morning of the indicated date.
3.2.2 Indication
of
the system status:
These symbols represent the system status. They appear when the corresponding device is activated.
Burner 1 modulation commands (
INCREASE/
DECREASE)
Heat generator symbol (burner etc.)
Heat generator stage 1
Heat generator stage 2
Output PWM1 active
Output PWM2 active
Pump 1 (direct heating circuit)
Pump 2 (DHW charging)
Solar pump
Pump MK (mix-circuit)
Symbol for mixing valve
Mixing valve commands (
CLOSE/
OPEN)
3.2.3 Indication
of
errors:
When an error occurs, it will be recorded on the internal error list and indicated by the flashing display
fields 1 and 2. It will only be shown this way, on the basic indication and only as long as the error is
present. (serious errors must be acknowledged first by pressing a key). The error list records only the 10
most-recent errors. The older ones will be overwritten. An error that is already on the list, will not be
recorded twice. (see operation level II: chapter 3.4.7 ”Display service data” function “Service”: parameters
90..99).
Error status display of sensors at "Service" function:
K
: Switching to the next circuit (boiler, heating or DHW-circuit)
1
: Display number of boiler, heating or DHW-circuit
xx
: Sensor number xx is short-circuited
xx
: Sensor number xx is broken
Erase errors on base display, if possible:
Press "
".
