Shutdown
7
Condens 5000W – 6720813953 (2018/12)
Table 4 Setup menu
4.3 Anti-Freeze Protection
Parts of the line may freeze during the cold season. Water permanently
flows through the heating system which significantly reduces the
probability of freezing.
▶ Check whether all radiator valves are open.
▶ Press key O to open the setup menu.
▶ Set the pump overrun time to 24 hours ( Chapter 4.2).
If the wall mounted gas condensing boiler is switched off, see
Chapter 5.2.
4.4 Key lock
The setup menu can be locked to prevent the settings from being
changed by unauthorised personnel. Proceed as follows:
Activation
▶ Press the M and N keys simultaneously for 5 seconds. The word
“Lock” is displayed for 5 seconds. The information menu remains
readable.
Fig. 6 Display - Lock
Disable
▶ Press the L and c keys again simultaneously for 5 seconds to
remove the key block; the word “Lock” disappears.
5Shutdown
5.1 Standard shutdown
▶ Put ON/OFF switch in position “0”.
▶ Close the gas isolator under the wall mounted gas condensing boiler
( figure 2).
5.2 Shutting down when there is a risk of frost
If the wall mounted gas condensing boiler stays on:
▶ Set the overrun time of the pump to 24 hours ( Chapter 4.2).
▶ Make sure that a sufficient flow is possible at all radiators.
If the wall mounted gas condensing boiler is switched off:
▶ Put ON/OFF switch at the user interface to position “0”.
▶ Close the gas isolator under the wall mounted gas condensing boiler.
▶ Drain the entire heating system.
6 Inspection and maintenance
The user is responsible for the general safety and clean combustion
function of the heating system.
Recommendations:
▶ To ensure the wall mounted gas condensing boiler functions
correctly, maintenance should be carried out annually by a certified
installer.
▶ To do this, conclude a maintenance and inspection contract.
6.1 Refilling the heating system
Every heating system is refilled with heating water in different ways,
depending on the water quality.
▶ You should therefore ask the installer to explain the refilling process
to you.
6.2 Cleaning the casing
▶ Only clean the casing of the wall mounted gas condensing boiler with
a damp cloth and possibly a mild detergent.
7 Display rendition
7.1 Display codes
A fault code provides information about the status of the wall mounted
gas condensing boiler. Fault codes are either shown in the display
directly or can be called up via the information menu. Proceed as follows:
▶ Press the key e to open the information menu.
▶ Navigate in the menu to the fault code level. This is either level 2 or 3.
▶ Read out the fault code and search for the corresponding meaning
( table 5).
▶ Implement the solution to eliminate the fault.
There are 3 types of code:
▶ normal operating code
▶ blocking fault code
▶ interlocking fault code
For safety reasons, the wall mounted gas condensing boiler shuts down
and locks as soon as a fault occurs. This is indicated by an illuminated
fault code. The wall mounted gas condensing boiler must be reset in
order to unlock it. Proceed as follows:
▶Hold key c pressed down until “rE” appears in the display. In many
cases, the wall mounted gas condensing boiler will work again
normally following the reset.
Is the fault still present? Then get in touch with the installer, stating the
appliance type and fault code.
▶ Change the maximum pump speed if
required.
Adjustment range:
min. (setting min. parameter):
• Type 70 - 65%
• Type 100 - 83%
▶ Reduce the maximum pump speed if
aggravating flow noises can be heard.
Run-on time of the pump following expiry of
heating mode [Min].
Adjustment range: 1 - 60 min./24 hours.
Setup menu
10011620-001
Code Explanation Corrective measure
- - 2 0 0 The wall mounted gas
condensing boiler is in
heating mode.
- - 2 0 1 The wall mounted gas
condensing boiler is in
DHW mode.
- - 2 0 2 The wall mounted gas
condensing boiler
cannot transfer the heat
to the heating system
and waits.
• Check whether a
sufficient number of
radiator valves are open.
• Bleed radiators/
heating system.
• Reset the wall mounted
gas condensing boiler.
- - 2 0 3 The wall mounted gas
condensing boiler is in
standby mode, there is
no heat demand.
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