Buderus Logamax plus Installation Instructions Manual page 59

9.14.3 Set the pump run-over time
Set the pump run-over time according to the "Settings"
menu (table 11, page 44).
If the heating system is room temperature controlled, and
not controlled parts of the heating system risk freeze
damage (e.g. radiators in the garage), set the pump run-over
time to 24 hours.
9.14.4 Switch DHW mode ON/OFF
Set the DHW mode according to the "Settings" menu
(table 11, page 44).
When DHW-mode is switched OFF (
protection for the hot water cylinder (if present) is switched
OFF.
9.14.5 Set the DHW temperature
Set the DHW temperature knob (fig. 70, pos. 10) to the
required temperature of the hot water in the hot water
cylinder (see table 16).
Knob
position
0 DHW mode is OFF (only heating mode)
ECO Economy mode. The DHW will only be reheated to
140 °F (60 °C), if the temperature has signifcantly
fallen. This reduces the number of burner starts and
saves energy. As a result the water may be a bit
colder initially.
86 – 140 The temperature set on the BC10 is a temperature
that cannot be changed using a RC thermostat.
Aut The temperature is set on the thermostat (e. g. RC35).
If no thermostat is connected, the maximum DHW
temperature is 140 °F (60 °C).
Table 16 Setting of the "DHW temperature"
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!
[c/\/0|
), the freeze
Explanation
10
110
100
120
888
90 130
140
11
1
1
Fig. 70 BC10 basic controller
Start-up procedure
9 8
130
110
150
90
170
190
2 3 4 5 6
9
7
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