Buderus 500-24C User Manual page 8

Users manual
10.1.3 Temperature-setting adjustments
Setting the warm start function
Press E button once.
Use the C and D keys to turn the warm start function on
or off (table 1). Factory setting: warm start function is "on".
Setting the domestic hot water (DHW) temperature
Press E button (see fig. 6, item 2) twice then adjust the
DHW temperature to the desired temperature (40 °C -
60 °C) using the C and D keys (see fig. 6, item 1).
Factory setting is 48 °C.
Setting the boiler to summer operation
When you want to make sure that your boiler will not operate
for central heating in the summer then you can set the boiler to
summer operation. The boiler will then only operate for DHW.
Press the E button (see fig. 6, item 2) three times.
The current setting blinks.
Use the C and D keys to adjust to desired setting.
Central heating is on
Central heating is off (summer operation).
DHW is still available
NOTE
When summer operation is active then the
boiler will not operate for central heating until
summer operation has been deactivated.
Setting the flow temperature for CH
NOTE
It is not possible to set the flow temperature
when the boiler is set to summer operation.
Press E button (see fig. 6, item 2) four times then adjust
the flow temperature to the desired temperature (30 °C –
80 °C) using the C and D keys (see fig. 6, item 1).
Factory setting is 80 °C.
Buderus • http://www.buderus.co.uk
8
Setting
H
- ECO / cold start
I
- comfort / warm start
table 1 Warm start function
fig. 6 DBA – adjustment arrows
Subject to modifications resulting from technical improvements!
Users manual for Buderus 500-24C and 500-28C • 07/2007
Meaning
More energy efficient, less chance of
calcification, longer waiting periods.
Maximum comfort due to short
waiting period for warm water. Not as
energy efficient as the cold start and
there is more chance of calcification.
1
2
3