Appendix
28 Installation and maintenance instructions SUSTAIN ..c 0020200954_00
Appendix
A Check programmes – Overview
Note
Since the programme table is used for various products, some programmes may not be visible for the product in
question.
Display Meaning
P.01 Start up the burner at the adjustable heat input:
The product is operated after a successful ignition with the set heat input between "0" (0% = Pmin) and
"100" (100% = Pmax).
The function is activated for 15 minutes.
P.02 Start up the burner at ignition load:
The product is operated at ignition load after successful ignition.
The function is activated for 15 minutes.
P.03 The product runs in heating mode with the maximum heat input set using diagnostics code d.00.
P.04 Maximum output function:
If there is a hot water request, the product runs in hot water handling mode with maximum heat input.
If there is no hot water request, the product runs in heating mode with the heating partial load that is set using
diagnostics code d.00.
The function is activated for 15 minutes.
P.05 Filling the product:
The diverter valve is moved to the mid-position. The burner and pump are switched off (to fill or drain the
product).
If the pressure is lower than 0.05 MPa (0.5 bar) and then is above 0.07 MPa (0.7 bar) for longer than 15
seconds, the automatic purging function is activated.
The function is activated for 15 minutes.
P.06 Purging the heating circuit:
The diverter valve is moved to the heating position.
The function is activated in the heating circuit for 15 minutes.
The pump runs and stops at regular intervals.
If required, this function can be manually switched off.
P.07 Purging the hot water circuit:
The function is activated in the small hot water circuit for 4 minutes and then in the heating circuit for 1 minute.
The pump runs and stops at regular intervals.
If required, this function can be manually switched off.
P.10 Safety cut-out check
Automatic purging
function
Purging the product:
If the pressure is lower than 0.05 MPa (0.5 bar) and then is above 0.07 MPa (0.7 bar) for longer than 15
seconds, the automatic purging function is activated.
The function is activated in the small hot water circuit for 4 minutes and then in the heating circuit for 1 minute.
This function cannot be manually switched off.
B Overview of diagnostics codes
Note
Since the code table is used for various products, some codes may not be visible for the product in question.
Setting level Values
Unit Increment, select, explanation
Default set-
ting
Own setting
Min. Max.
d.00 Heating maximum output – – kW The maximum heating output varies
depending on the product.
→ Section "Technical data"
→ Section
"Technical
data"
Adjustable
d.01 Pump overrun in heating
mode
1 60 min 1 5 Adjustable
d.02 Burner anti-cycling time
in heating mode
2 60 min 1 20 Adjustable