Table of Contents
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Initial start-up
Setting the flow temperature (fig. 35, item 7)
The knob with the radiator symbol (fig. 35, item 7) allows the
installer to set the maximum flow temperature (see table 4).
When the boiler is in operation for central heating then the LED
"CH operation" (see fig. 35, item 6) is lit.
Setting the domestic hot water temperature
(fig. 35, item 9)
Turn the knob with the tap symbol (fig. 35, item 9) to the
desired temperature for your domestic hot water (see table 5).
Set the knob to "Eco" when the boiler is situated in an area with
calcareous water to prevent calcification as much as possible.
When the boiler is in operation for domestic hot water, the LED
"DHW operation is on (see fig. 35, item 10).
Setting the pump run over time
ATTENTION
When there is a freezing hazard set the pump
run over time to 24 hours (F1d) (see fig. 38,
item 3).
Press the chimney sweep button and the service button
(see fig. 38, item 2 and 1) simultaneously until "L--"
appears in the display.
Press the service button repeatedly until "F 5" appears in
the display. "F 5" means that the pump run over time is
currently set at 5 minutes. This is the factory setting.
Adjust the pump run over time by pressing the chimney
sweep button to reduce the run over time of the pump and
the reset button to increase the pump run over time. The
range is 0 min to 60 min. (F 0..F60) and 24 hours (F1d).
Confirm the selection by pressing the service button
(fig. 38, item 1).
Subject to modifications resulting from technical improvements!
Installation and maintenance instructions for wall-mounted condensing gas boiler 600 - 28C • 01/2004
Setting
Function
0
off
30 - 90
Flow temperature in °C.
However the boiler is capped off
at 80 °C. This means that posi-
tion 80 is 80 °C, but also position
90 is 80 °C.
Aut.
Do not use this setting
Table 4
Flow temperature
Setting
Function
0
off
Eco
Energy saving setting
The heat retaining
temperature of the hot
water tank is 26 °C and
the outlet temperature
of the hot water tank is
60 °C.
30 - 60
Desired temperature of
the heat retaining
temperature of the hot
water tank and the
outlet temperature of
the hot water tank.
Aut.
Do not use this setting
Table 5
Domestic hot water temperature
3
fig. 38 Pump run over time to 24 hours
Boulter Buderus Ltd. • http://www.boulter-boilers.com
Description
Central heating func-
tion is switched off.
Description
DHW is turned off
minimal comfort, minimal
energy consumption,
minimal calcification.
Maximum comfort when set
at 60° C
2
1
2
25
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