Appendix
54
Installation and maintenance instructions ecoTEC plus 0020134823_07
Balcony/eaves
Gutter
Adequately secured
air/flue gas pipe
The flue pipe must
protrude beyond any overhang
Horizontal Termination
J
Treating the heating water
The information in the table below provides a general rule for classifying water
hardness.
Hardness description
Total Hardness
mg/l Calcium
carbonate
(CaCO
₃
)
UK Degrees
Clark (°C)
French
Degrees (°f)
German
Degrees
(°dH)
Soft
< 150
< 11
< 15
< 9
Hard
150 - 300
11 - 21
15 - 30
9 - 18
Very Hard
> 300
> 21
> 30
> 18
mg/l = milligrammes per litre = parts per million = ppm
0,3
0,6
0,9
1,2
1,5
1,8
2,1
2,4
2,7
3,0
3,3
3,6
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
y [
m
g
/C
aC
O
³
]
x [l]
A
B
80 kW: A
100/120 kW: B
80 kW
100/120 kW
x
System volume
y
Water hardness [mg/l CaCO
₃
]
A
Water treatment required (water softener and inhib-
itor)
B
Water treatment not required
Содержание ecoTEC plus VU GB 5-5 Series
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