Buderus 500 - 24/C 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
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.
It is not possible to set the flow temperature when the boiler is
set to summer operation.
Buderus • http://www.buderus-domestic.co.uk
8
Setting
H
- ECO / cold start
I
- comfort / warm start
table 1 Warm start function
fig. 6 DBA – control panel
Subject to modifications resulting from technical improvements!
Users manual for Buderus 500 - 24/C and 500 - 28/C • edition 02/2006
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