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max 30°C
(86° F)
H
O
2
WTS
max 30°C
H
O
2
(86° F)
WATER
FILTRATION
SYSTEM
LEGEND
A. Single check valve assembly 3/4 " M – 3/4 " F (not to be
used for UK and Australian/NZ installations)
IMPORTANT
Be sure to assembly the check valve A as shown in
the following figure:
A
For UK:
A WRAS compliant double check valve or some other no
less effective device providing backflow prevention protec-
tion to at least fluid category three shall be provided by the
installer technician.
For Australia:
The appliance shall be installed in accordance with AS /
NZS 3500.1 and AS/NZS 3500.2 standards.
The Watermark certified backflow prevention devices sup-
plied with this appliance must be installed in order to
protect each inlet water connection.
E.5.2
Water characteristics for inlet "CWI2"
In CWI2 inlet the appliance must be supplied with suitable drinking water (in particular Ph 6,5 ÷ 8,5 and conductivity > 50 µS/
cm).
To guarantee correct appliance operation, some water treatment systems may therefore have to be installed.
For that purpose, follow the indications given in the following charts according to your models:
Models with boiler – (Lev. T – B)
CONDUCTIVITY
[µS/cm]
> 285
17 < ppm < 32
> 285
> 285
< 285
1.
WTS = Water treatment system
26
I 2
C W I 1 C W
A
MODELS WITH BOILER
CHLORIDE
HARDNESS
[ppm]
< 17
-
-
> 32
-
-
Install the device (detail "B") between the drinking water
source and each water supply hose.
B
B
B
backflow prevention device (supplied)
C
nipple 3/4 " M - 3/4 " M (supplied)
Water connection in stacking installations
• The single check valves (A) in stacked ovens must be
mounted into CWI2 as indicated in the following figure:
TREATMENT
NO
NANOFILTERS
1
WTS + GRAPH
1
WTS
+ GRAPH
SS
22
2 2
S
2
H
O
2
S
2
2
S
H
O
2
2
S
C W I 1 C W
C
C
A
T O M
2
B O T
C W I
N
O V E
A
TREATMENT CHECK
NO
TREATED WATER TO FALL INTO THE
GREEN AREA OF THE GRAPH A
max 30° C (86° F)
max 30° C (86° F)
WATER
ILTRATION
I 2
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- Water Connection
- Water Draining System
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