DeDietrich 310 ECO Series, Installation And Operating Manual, Page: 54 / 76

53
De Dietrich Gas 310/610 ECO
13.1.2 Pump run on time (

)
Pump run on time can be adjusted (Please refer to
installation contractor)
-Press the

-key until the digit

(with dot) appears in the
code -display.
-Press the

-key until the digit

(with dot) appears in
the code -display.
-Set the required value, using the [+] and [-]-keys.
▪
Press the

-key to stare the new value (value will flash twice).
▪
Press the reset -key to return to operating mode.
Table 18 Adjustments pump run on time
13.1.3 Boiler control (

)
Setting mode, parameter

, can be set to different values
(see table 19).
Proceed as follows to change the boiler control:
▪
Press the

key until the number

(with dot)
appears in the code window.
▪
Press the

key until the letter

(with dot)
appears in the code window.
▪
Use the [+] and/or [-] keys to specify the required
setting.
▪
Press the

key to stare the new setting (flashes twice to confirm).
▪
Press the reset key once to return to operating mode.
Table 19 Boiler control settings.
Example: boiler control

indicates that the boiler is controlled by means of a 0-10 volt signal modulated on the
basis of flow temperature (

= 4). Heat demand is on (

= 1).
13.2 Setting mode service level (only for the qualified service engineer) (

)
To prevent accidental, unauthorized access by non-qualified persons the control system requires an input code to
gain access to the second level of boiler control.
-Press the

and

keys simultaneously and hold. The code -display now shows a letter

with a random
number in the

-display.
-While holding both keys pressed, set the

-display to

, using the [+] or [-] keys and press the

key.
-The display will flash twice, confirming acceptance of the access code.
-Release the keys and

will disappear from the display.


Important!! Changing the pre-set values without reference to the tables contained in this manual may result
in incorrect boiler operation.
•
The service settings can now be reached by pressing the

-key until the digit

(with dot) appears in the
code -display. Set the required value, using the

key.
•
To deletes the service code, press the reset -key once.
•
If no keys are pressed over a 15 minute period, the service code will delete automatically.
Code

Description
  Pump post purge = 10 seconds
 
Pump purge time for 1 to 15 minutes
(

=

to

)
  Continuous pump operation
Code

Description

 heat demand off

Heat demand on

on/off and High/Low

on/off and modulated on flow temperature

External 0-10v analog signal on temperature

External 0-10v analog signal on output %