Scanning Temperatures (Desired/Actual Values) And Operating Status Information - Viessmann Dekamatik-M1 Operating Instructions Manual

Digital indoor/outdoor boiler and heating system control
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4.1 Scanning Temperatures (Desired/Actual Values) and Operating Status Information

4.1 Scanning Temperatures (Desired/Actual Values) and Operating Status Information
Scanning system data
H Follow the appropriate menu structure
(Overview 1, 2 or 3 on page 8 and 9) and
press the specified button.
Scan
Differential temperature
Slope
Parallel shift
Safety temperature high limit
Domestic hot water temperature
Date/time
Outdoor temperature
Outdoor temperature (damped)
Common supply temperature
*1
Boiler water temperature
Boiler temperature 1; 2; 3
Burner operating hour counter
Stage 1 or modulating burner
Stage 2
Flue gas temperature (max.)
Flue gas temperature (current)
Return temperature
*1
Only one of the two scans is possible according to the selected coding address (please consult heating contractor).
*2
If the corresponding sensor is installed (accessory).
Explanation of the adjusted outdoor temperature
SYSTEMEE/ESTATUSA
AOUTDOOR TEMP.:
AOUTDOOR TEMP.
ADAMPED . . . . . . . :+ 10 ºC
>CONTINUE:
. . . . . . . . . . . . . . . . . . . . .
>BACK:
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
>MAIN MENU:
. . . . . . . . . . . . . . . . . . .
22
Desired/actual value
Desired value
Desired value
Desired value
Desired value
Desired/actual value
Actual value
Actual value
Actual value
*1
, or
Desired/actual value
Desired/actual value
Actual value
Actual value
Actual value
Actual value
Actual value
Desired/actual value
Open cover and go through menu as
follows:
+ 10 ºC
H SYSTEM
H OPERATING STATUS
H CONTINUE
A
The damped outdoor temperature is
C
calculated from the current outdoor
D
temperature and a time constant which
takes into account the cooling
characteristics of an average building.
Note:
Remember to take account of the
plus/minus signs in front of the
temperatures.
*2
*2
*2
"D" button
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
"B" button
. . . . . . . . . . . . . . .
"A" button
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Switch conditions
Burner (stage 1./stage 2.)
System pump (SP)
Boiler (shunt) pump (BP)
Individual boiler pump (IP)
DHW tank pump (DP)
DHW recirc. pump
The average outdoor temperature is the
criterion used for the heating curve. It is
calculated as follows:
Act. outdoor
Damped outdoor
+
temp.
temp.
2
Examples:
Actual
Damped
outdoor
outdoor
temp.
temp.
in ºF / ºC
in ºF / ºC
+19
- 7
+27
-3
+50
+10
+41
+5
+37
+ 3
+18
-8
Switch off the heating system switch for
approx. 5 seconds → the average outdoor
temperature is set to the value of the actual
1
outdoor temperature*
.
*1
The value displayed takes into account
weather conditions such as wind and
sunshine as well as the wall temperature
of the building.
Average
=
outdoor
temp.
Average
outdoor
temp.
in ºF / ºC
+23
- 5
+45.5 +7.5
+27.5 -2.5

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