Buderus Logano GE515 User Manual

8
Operating instructions Oil- and gas-fired special boilers Logano GE515 • Issue 2018/01
We reserve the right to make any changes due to technical modifications.
Using correct fill and make-up water3
3.2 Water quality
Any water contains substances, e. g. Ca (HCO
3
)
2
(Calcium hydrogen-carbonate), which may influence the
function of your heating system. These may lead to
corrosion, scaling or deposits.
Regularly check your water quality and, if necessary,
treat your fill and make-up water, to ensure that your
heating system permanently retains its economy,
function, operational reliability and energy efficiency.
Observe the following table regarding the appropriate
use and treatment of the fill and make-up water.
This table is an extract from the Code of Practice K8
"Water treatment for hot water heating systems" in the
Buderus sales catalogue.
CAUTION!
SYSTEM DAMAGE
through corrosion and scaling because of
fill and make-up water, which does not
comply with system-specific requirements.
 Check with your local heating
contractor or your water supply
company regarding the Ca (HCO
3
)
2
concentration (calcium hydrogen-
carbonate) in your area.
 You should treat the fill and make-up
water, if it does not comply with system-
specific requirements. In such cases
contact your local heating engineer.
Total rated boiler
output in kW
Ca (HCO
3
)
2
concentration
in mol/m³
Maximum fill and make-up water
volume V
max
in m³
Heating water pH
value
100 < Q 350 2.0
V
max
= three times the system volume 8.2–9.5
350 < Q 1000 1.5
100 < Q 350 > 2.0
8.2–9.5
350 < Q 1000 > 1.5
Tab. 1 Requirements of filling, make-up and heating water
V
max
0 0313
QkW
Ca HCO
3

2
mol
m
3
----------


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,=

Buderus Logano GE515 Specifications

General

Brand	Buderus
Model	Logano GE515
Category	Boiler
Language	English