Date Time
13.01.06 10:51:10
Set time and date
Parameter
Service menu
Stored data
Device settings
Service
Set O2
alarm
O2 warn limits ppm
Program1 10.0
Program2 5.0
Date Time
13.01.06 10:51:10
:The time stored in the HT-1200N and
the date is displayed.
:Activate cursor and placing through repeated
pressing about the digit to be changed
:Change value
:Back to the menu “Device settings”
:Select the function
:Start the function
:Change value / Language / Setting
:Back to the menu “Parameter”
:Set O
2
alarm
:change O
2
threshold values
:Confirmation O
2
alarm
:Back to “Extension menu”
ESC
ESC
In the gas measurement a warning appears if the threshold value is exceeded.
6.5.3 O
2
aralm
6.5.2.2 Parameter
6.5.2.1 Date / Time
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LCD Contrast
contrast 29%
Current language:
English
Print / store
boiler temp.? Yes
Print / store
soot number? Yes
Window:
Page 2
11
7.Calculation basis
7.1 Analysis and calculation
Continuously measured items
O
2
Temperature
(Kthermocouple)＊
Temperature
(Pt 2000Ω）＊
Unit
[
％
]
[
℃
]
[
℃
]
Unit
[
％
]
[
％
]
[
％
]
＊
Option
Calculated measuring items
CO
2
Efficiency
＊*
Losses
＊*
Excess
Air
‐
*＊
calcurated by ambient air temperature
and flue gas temperature
12
Kcal/Nm
3
Kcal/Nm
3
Kcal/Nm
3
Kcal/kg
Kcal/kg
Kcal/kg
Kcal/kg
Kacl/kg
13A
6C
LPG
Keros
L-oil
A
C
Pellets
12.04
4.89
25.90
12.15
11.90
11.37
10.88
4.63
10.95
4.08
23.90
11.37
11.15
10.68
10.25
4.63
9940
4050
22350
10570
10280
10160
9750
4200
12.2
13.1
13.8
15.1
15.4
15.8
16.0
20.3
GO
Nm
3
AO
Nm
3
Calp
kcal/Nm
3
or kg
CO
2
Max
Excess Air (
λ
）
＝
Losses
＝
Efficiency
＝
CO
2
＝
20.9
20.9-O
2
in the flue gas
(GO+(
λ-1
）ｘ
AO
）ｘ
0.33 x
（
Flue gas temp. (T) - ambient temp.(t) )x100
Calp
100 - Losses
CO
2
Max. x (20.9-O
2
in the flue gas)
20.9
GO:Theoretical flue gas volume CO
2
Max:CO
2
max volume
AO:Theoretical air volume Calp:Lower calorific volume
Fuel data might slightly differ depend on location, therefor calculated data also might have
difference.
