6 720 820 872 (2016/12)
CR 400 | CW 400 | CW 800
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
(
Æ
Tab. 15, from page 32).
•
Ht req.
: a heat requirement is present.
•
Frost
: frost protection for the heating circuit is active
(
Æ
Tab. 15, from page 32).
•
Prg.off
: no heat requirement release via the time program
of the constant heating circuit (
Æ
Control types, page 34)
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
(
Æ
Chapter 7.1.4, starting on page 39).
•
Ht once
: Heating once is active
(
Æ
operating instructions).
•
Man off
,
Man.red.
,
ManDHW
: Operating mode without
time program (
Æ
operating instructions).
•
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 (
Æ
operating instructions).
•
Br. red.
: Solar reduction of set DHW value (only available
with solar system,
Æ
technical documents of the solar
system).
•
Therm.d.
: Thermal disinfection is active
(
Æ
operating instructions).
•
DayHtUp
: Daily heat-up is active
(
Æ
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
(
Æ
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
(
Æ
Chapter 7.1.4, starting on page 39).
•
Ht once
:
Heating once
is active
(
Æ
operating instructions).
•
Man. on
,
Man off
: operating mode without time program
On
or
Off
(
Æ
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 (
Æ
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
(
Æ
operating instructions).
In addition, in the
DHW system I...II
menu the following is
displayed:
•
The set
Actual boiler water temp.
Summary of Contents for CR 400
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