Electrolux Professional 10 GN 1/1, Installation Manual

Page: 36 / 46

36
F.7 Water connection
NOTE!
Water connection must be carried out in compli-
ance with the regulations and provisions in force
with the country.
IMPORTANT
When connecting the appliance with the flexible
hoses to the water system, use always new ones.
The oven has two separate water supply inlets:
1. “ CWI1 “ connection of cold water 3/4″ for:
• water for cleaning system;
• quenching;
• hand shower (when provided, depending on the model).
2. “ CWI2 “ connection of TREATED COLD WATER 3/4″ for:
• boiler filling ( models with boiler)
• instant steam generator (boilerless models)
6 - 10 grids models
20 grids models
Requirements for water connection
• The water pressure upstream of the oven must be 100 –
450 kPa (1,0 – 4,5 bar / 14,5 – 65 psi).
• The maximum water temperature in entrance is 30 ℃ .
• The feed pipes of both inlets must be provided with a
mechanical filter and a shutoff valve.
• Before installing the filters run certain amount of water to
clear the hose of any solid particles.
The appliance is provided with a single check valve (detail
A ) to be fitted to CWI2 connection.
LEGEND
A. Single check valve assembly 3/4 ″ M – 3/4 ″ F ( not to be
used for UK and Australian/NZ installations )
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.
Install the device (detail “B“) between the drinking water
source and each water supply hose.
B backflow prevention device (supplied)
C nipple 3/4 ″ M - 3/4 ″ M (supplied)
Water connection in stacking installations
• The double check valves ( A ) in stacked ovens must be
mounted into CWI2 as indicated in the following figure:
CWI1
CWI2
CWI1
3/4 NPT
CWI1
CWI2
A
CWI1 CWI2
150-450 kPa
(1,5-4,5 bar / 22-65 psi)
PRESSURE
WATER
FILTRATION
SYSTEM
H
2
O
H
2
O
10 l/min
(2,642 gal US/min)
20 l/min
(5,283 gal US/min)
2,5 l/min
(0,660 gal US/min)
5 l/min
(1,321 gal US/min)
max 30° C (86° F)
max 30° C (86° F)
100-450 kPa
(1,5-6 bar / 22-87 psi)
PRESSURE
WATER
FILTRATION
SYSTEM
H
2
O
H
2
O
10 l/min
(2,642 gal US/min)
15 l/min
(3,963 gal US/min)
2,5 l/min
(0,660 gal US/min)
5 l/min
(1,321 gal US/min)
max 30°C
(86° F)
max 30°C
(86° F)
WTS
CWI1 CWI2
B
C
C
B
A
A
CWI2
BOTTOM
OVEN
CWI2
UPPER OVEN