Appendix
0020239565_01 Ultimate 3 Operating instructions 15
Appendix
A Operator level – overview
Setting level Values Unit Increment, select Default set-
ting
Min. Max.
Heating installation
Pressure in the heating in-
stallation
Current value bar 0.1
1 1.5
Heating flow temperature Current value ℃ 1 60
10 Preset
in the
system
Hot water generation
Hot water temperature Current value ℃ 1 55
35 60
Eco hot water temperature Current value ℃ 1
35 50
B Troubleshooting
Fault Cause Measure
Product does not
start up:
– No hot water
– Heating does
not heat up
The gas isolator cock installed on-site
and/or the gas isolator cock on the
product is closed.
Open both gas isolator cocks.
The cold water stop cock is closed. Open the cold water stop cock.
The power supply in the building is dis-
connected.
Check the fuse in the build-
ing. The product automatically
switches on after the power
supply is restored.
The product is switched off. Switch on the product (→ "Switch-
ing on the product" section).
The heating flow temperature or hot
water temperature has been set too
low.
Set the heating flow temperat-
ure and hot water temperature (→
"Setting the heating flow temper-
ature" section/→ "Setting the hot
water temperature" section).
The system pressure is insufficient.
Low water pressure in the heating in-
stallation (fault code: F.22).
Fill the heating installation (→
"Filling the heating installation"
section).
If the pressure drops frequently,
contact your competent person
about this.
The system pressure is too high. Purge a radiator in order to re-
duce the pressure in the heating
installation, or contact your com-
petent person about this.
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