Opening Service Valves; Switch On The Wall Mounted Gas Condensing Boiler; Check Water Pressure; Setting The Maximum Boiler Temperature - Bosch Condens 5000W Operating Instructions Manual

3.3

Opening service valves

▶ Open both service valves so that the tap lines up with pipework.
Fig. 3 Opening service valves
3.4

Switch on the wall mounted gas condensing boiler

▶ Put the ON/OFF switch to position "1" ( figure 5, [1]).
3.5

Check water pressure

For the wall mounted gas condensing boiler to work efficiently, the
normal water pressure must be between 1.0 and 2.0 bar.
▶ Ask the installer whether a higher pressure is necessary.
▶ Read off the water pressure on the display.
▶ Top up the heating system if necessary ( Chapter 6.1, page 7).
Fig. 4 Read off the water pressure
3.6

Setting the maximum boiler temperature

▶ Set the maximum boiler temperature required in the setup menu
( Chapter 4.2).
The heating and DHW operations can be switched on and off
independently of one another.
3.7

Setting the user interface

Some of the functions described in this document change when
connecting a user interface. The user interface exchanges parameters
with the wall mounted gas condensing boiler.
▶ You should therefore carefully read the operating instructions for the
user interface.
Condens 5000W – 6720813953 (2018/12)
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Operating the appliance

1 2 3
Fig. 5 Control panel
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[1] Appliance on/off switch
[2] "Reset" key
[3] "Emissions test" key
[4] "Help" key
[5] Display
[6] "Menu" key
[7] "Down" key
[8] "Up" key
[9] Diagnostic plug
The front of the wall mounted gas condensing boiler contains a control
panel with the following elements:
Appliance on/off switch
The wall mounted gas condensing boiler can be switched on or off via the
ON/OFF switch. The power supply is not interrupted.
"reset"
The wall mounted gas condensing boiler can be restarted via the key
in the event of blocking faults ( Chapter 7).
"chimney sweep"
The wall mounted gas condensing boiler can be brought into operation
via key in order to carry out measurements.
"info" key
The status of the wall mounted gas condensing boiler can be read out via
the key
0010020120-001
Display
Display values, settings and codes can be read off the display. If the wall
mounted gas condensing boiler is switched on via the mains plug, all
symbols appear briefly in the display.
Status display
Display when the wall mounted gas condensing boiler is switched on
(approx. 1 second)
Table 2 Readings on the display
4 5
key
key
20.0
Current flow temperature [°C]
p2.0
Operating pressure [bar] (display
flashes if the operating pressure is
too low)
Emissions test mode (service
operation)
Burner in operation
ON for central heating
ON for DHW
Pump ON
Outside temperature display
An interlocking fault has occurred or
the wall mounted gas condensing
boiler requires a service.
Operating the appliance
6 7 8 9
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