Table of Contents
46 | Service menu
The Pump status menu item under Heating circuit pump
shows why the heating circuit pump is On or Off.
•
Test: function check is active.
•
AntBProt: anti-seizing function is active; pump is regularly
switched on briefly.
•
No req.: no heat requirement.
•
Conden.: condensation protection of the heat source is
active.
•
NoHeat: no heat delivery possible, e.g. if there is a fault.
•
DHW pre: DHW priority is active
(
Tab. 15, from page 32).
•
Ht req.: a heat requirement is present.
•
Frost: frost protection for the heating circuit is active
(
Tab. 15, from page 32).
•
Prg.off: no heat requirement release via the time program
of the constant heating circuit (
In addition, in the Heating circuit 1...8 menu the following is
displayed:
•
The holiday program for the heating circuit is active
(Holiday).
•
The Cut-in optimisation function (switch-on optimisation
time program) affects the current set room temperature.
The open window detection (Open wndw detec.) affects
•
the current set room temperature.
•
The temperature has fallen below the threshold for Contin.
heat.
•
The values for Solar influence, Room influence and Fast
heat-up may be visible.
•
The Actual flow temp. shows the current value of the flow
temperature.
•
The value for Actual room temp. shows the current room
temperature.
The 3-way valve is either set to DHW or to Heating (only
•
heating circuit 1 at the heat source).
•
The Mixer position shows the status of the mixer.
•
The Boiler pump function shows if the heating pump is
either On or Off (only heating circuit 1 at the heat source).
•
The Heating circuit pump function shows if the heating
circuit pump is either On or Off.
Information in the DHW system I...II menu
The Status menu item under Set DHW temperature shows the
status of the DHW heating. This status determines the set DHW
temperature.
•
Scrd dry: Screed drying is running for the entire system
(
Chapter 7.1.4, starting on page 39).
Ht once: Heating once is active
•
(
operating instructions).
•
Man off, Man.red., ManDHW: Operating mode without
time program (
operating instructions).
6 720 820 872 (2016/12)
Control types, page 34)
•
Hol.off, Hol.red.: "Holiday off" or "Holiday reduced"; a
holiday program is active and the DHW system is switched
off or set to the reduced temperature level.
•
Auto off, Auto red, AtDHW: Operating mode with active
time program (
operating instructions).
•
Br. red.: Solar reduction of set DHW value (only available
with solar system,
technical documents of the solar
system).
•
Therm.d.: Thermal disinfection is active
(
operating instructions).
DayHtUp: Daily heat-up is active
•
(
Tab. 19, starting on page 41).
The Status menu item under Cylinder primary pump shows
why the cylinder primary pump is On or Off.
•
Test: Function test is active.
•
AntBProt: Anti-seize protection is active; pump is regularly
switched on shortly.
•
No req.: No heat requirement; DHW at least at set
temperature.
•
Conden.: Condensation protection of the heat source is
active.
•
no DHW: No DHW heating possible, e.g. if there is a fault.
•
Blr.cold: Temperature of the heat source is too low.
•
Scrd dry: Screed drying is active
(
Chapter 7.1.4, starting on page 39).
•
Cyl.Ht.T: Cylinder charging in progress.
The Status menu item under Circulation shows why the
circulation is On or Off.
•
Scrd dry: Screed drying is running for the entire system
(
Chapter 7.1.4, starting on page 39).
•
Ht once: Heating once is active
(
operating instructions).
•
Man. on, Man off: operating mode without time program
On or Off (
operating instructions).
Hol.off: A holiday program is active and the DHW
•
circulation pump is switched off.
•
Auto on, Auto off: operating mode with active time
program (
operating instructions).
•
Test: Function test is active.
•
AntBProt: Anti-seize protection is active; pump is regularly
switched on shortly.
•
No req.: No requirement.
•
On, Off: Operating conditions of the DHW circulation
pump.
•
Therm.d.: Thermal disinfection is active
(
operating instructions).
In addition, in the DHW system I...II menu the following is
displayed:
•
The set Actual boiler water temp.
CR 400 | CW 400 | CW 800
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