Welbilt Convotherm mini black easyTouch 10.10, Installation Manual

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6.2.2 Water supply
Rules for safely installing the water connection
In order to prevent hazards related to an improperly installed water connection, make sure to observe
the following rules:
■
In the case of units placed on a base with casters, the water connection must use a flexible hose.
■
The length of the water connection line must take into account how much the retaining element on
the base allows the unit to move. Do not roll over, pull, or otherwise subject the water connection
hose to any tension when moving the whole setup (base and unit).
■
The unit must be connected to a cold water pipe.
Water connection configuration
The combi oven is designed for a fixed water connection installed on-site. Mesh strainers must be
used.
Connecting the water connection with a flexible connection hose
The unit can be connected to the water supply using a flexible GHT-M water connection hose that has
a 3/4" fitting. Mesh strainers must be used.
Water quality and water hardness
Check the water quality as explained in 'Checking the Water Quality'.
Compare the water quality and water hardness of the water supplied through the building's supply
connection with the specifications in the 'Technical Data' section (please refer to Water quality on page
72). If the required conditions are not met, you must install an adequate water filter and water treat‐
ment equipment. For more information on the required sizing, please refer to the Technical data and
connection drawing on page 70 section.
Installation diagram with water treatment system
The following diagram shows the connection diagram for installations with a water treatment system:
Y
1
2
Y
X
Z
4 - 20 °d H
7 - 27 °T H
5 - 19 °e
70 - 270 ppm
0, 7 - 2, 7 m mo l/l
p 2 - 6 bar
T max. 40 °C
min. 20 µS/cm
pH 6,5 - 8,5
Cl
-
max. 100 mg/l
SO
4
max. 150 mg/l
Fe max. 0,1 mg/l
6019164
2-
4 - 7 ° dH
7 - 13 °T H
5 - 9 ° e
70 - 125 ppm
0, 7 - 1, 3 m mo l/l
p 2 - 6 bar
T max. 40 °C
min. 20 µS/cm
pH 6,5 - 8,5
Cl
- max. 100 mg/l
SO
4
max. 150 mg/l
Fe max. 0,1 mg/l
6019165
2-
W
V
A B
No. Designation Explanation
A
Soft water connection For drinking water quality information, refer to the 'Technical
Data' on page 70 section
B
Cold water connection
Z
Water supply provided by the
customer
Drinking water quality
X
0.003" sediment filter A 0.003" sediment filter needs to be installed if the water
has a lot of impurities.
W
Water treatment system If the required values are exceeded, a water treatment sys‐
tem must be installed.
6 Installation
Installation Manual 55