FAULT FINDING AND DIAGNOSTICS
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55
6 720 ... ... (YYYY/MM)
Product Name
12.3.5 Reset to factory settings
To reset any or all changes made in menu 2 back to the factory defaults
setting:
1. Press and hold the
,
ok
and
plus
button for at lest five seconds.
The screen will then display code 8E with the spanner symbol.
2. Press the
reset
button and “Reset” will be displayed with the tick
symbol for three seconds.
After three seconds the screen will revert to the normal operation
screen.
Fig. 78 Reset sequence
12.3.6 Menu 3 - Boiler maximum & minimum limits
The menu shows the boiler's minimum and maximum limits. Which can
be adjusted in this menu.
The boiler will revert to adjusted settings in Menu 3 following a power
interruption.
Menu 3 cannot be factory re-set.
1. Select menu 3 via the
plus
and
minus
scroll buttons.
2. Press and hold the
ok
button for at least 5 seconds to enter Menu 3.
To modify setting, select desired menu option (refer to table 31) via the
plus
and
minus
buttons and press the OK button, the option will flash.
Adjust the parameters using the
plus
and
minus
buttons and press the
ok
button to confirm.
A
symbol will be displayed for three seconds to confirm the update
of the new value.
Para
No.
Parameter
Description
Updated
value
2.1A Maximum power
CH
Range rate the CH of the boiler.
Adjustment in kW.
2.1b Maximum DHW
performance
The heat output can be limited
to between the minimum rated
output and maximum rated
output for specific heating
requirements.
Default setting is the maximum
DHW output.
▶ Adjust the heat output in
kW.
▶ Compare the gas flow rate
with the data table 5 & 8. In
case of any deviations,
correct the setting.
2.1C Pump head
selection
The pump speed and
modulation behaviour is
controlled by this setting to
always modulate based on the
burner power.
0: Pump modulates depending
on burner power
Setting fixed to always be 0
2.1E Pump energy
saving mode
4 = mode ON,
5 = mode OFF
2.2C Air purge mode
This feature can be selected to
purge the system and boiler of
air. 0 = off, 1 = auto, 2 = on
2.3B Anti fast cycle time
for CH
This sets the amount of time
between stop and starts of the
main heat exchanger. The
default is 10 minutes, the range
is 3 to 45 minutes.
2.3C Anti fast cycle flow
temperature
hysteresis
(negative tolerance
only)
This sets the temperature drop
before the burner re-starts, 6 K
is the default. This is used in
conjunction with the “Anti fast
cycle time”
The range is from 2 to 15K in
1K steps.
2.5F Service reminder
time
Between 1 and 72 months can
be set
2.9F Pump post purge
time for CH
The default pump overrun time
is 3 minutes. This can set
between 3 and 30 minutes. The
actual time will be affected by
the Pump Energy Saving mode.
2.9L Hot water cylinder
thermal
disinfection
This feature enables the
storage cylinder to be heated to
70 °C.
Possible settings are:
• 0: Thermal disinfection is
not active
• 1: Thermal disinfection
active
Default setting is 0 (not active).
Thermal disinfection is not
displayed.
The water is maintained at 75
°C for 35 minutes, to complete
the thermal disinfection.
Table 30 Menu 2 parameters
NOTICE:
Menu 3
▶ Any changes made in Menu 3 are not reset via these
actions.
°C
Eco
°C
°F
°C
°F
Reset
°C
°F
Eco
reset
ok
+
+
6720809859-56.1W
o
≈
5 s
5 s
≈
3 s
3 s
1.
2.
+
Содержание Condens 2000F16 Regular boiler
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