453062555_201804
27.Systemlog
Check:
WatervolumeV>V
max
? Yes No
If the water volume V is greater than V
max
,itmustbetppedupwithdesalinatedwater(Conductivity<=30μS/cm)(seeTechnical
information for water treatment)
Commissioning:Fillandtop-upwatervolumes
Commissioning by
MeterreadingbeforerstllZ
old
in l
Date Explanation
Abbrevia-
tion
Meter
reading
Z
new
in l
Water volume
V=Z
new
- Z
old
in l
Total hard-
ness in
°dHl
pHvalueofsystem
water after heat-
ingandsufcient
ushing Signature
Desalinatedllwater V
Treatment
0.1
Untreatedllwater V
Untreated
top-up water V
Top-up,1
top-up water V
Top-up,2
top-up water V
Top-up,3
top-up water V
Top-up,4
top-up water V
Top-up,5
top-up water V
Top-up,6
top-up water V
Top-up,7
top-up water V
Top-up,8
top-up water V
Top-up,9
top-up water V
Top-up,10
Engineering
Location
Boiler output Q
K1
Q
K2
Q
K3
Q
K4
kW
kW
kW
kW
Lowest boiler output Q
Bmin
kW Lowest boiler output for the system
System output Q
B,tot
kW Q
B,tot
=Q
B1
+ Q
B2
+ Q
B3
+ Q
B4
System volume V
system
l
Maximum expected
top-up water volume V
top-up
l Total volume expected during the
system service life
Fill and top-up water volume V
max
l V
max
=V
system
+ V
top-up
Total hardness of the potable water C
DHW
°dH e.g. from an analysis of the water supply
Checkingthespecicsystem
volume V
A,specic
l/kW V
A,specic
=V
System
/ Q
Kminimum
greater/ less
than 10 l/kW
Permissible total hardness
C
max
°dH Maximum permissible total hardness
according to table
Proportion of desalinated potable
water A
% A=100%–[(C
max
–0.1°dH)/
(C
drinking water
–0.1°dH)]x100%
Fill water to be treated
V
treatment
l V
Treatment
=AxV
max
or V
Treatment
=AxV
System at stage 4