turbofan EC40 Series, Руководство по установке и обслуживанию

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8.1 • WATER PRESSURE
The pressure of the water in the network
must be between 200 and 500 kPa,
(30 - 72 psi) as already stated under the
heading
“Table 2: General Water Data”
. If
the supply pressure is higher than this, a
pressure reduction valve must be installed
between the oven and the main.
8.2 • WATER CONNECTION TO THE
VAPORIZER
The water supplied to the vaporizer must
b e e i t h e r c o l d a n d s o f t e n e d , o r h o t
(max 50 °C), as described below. The
water connection is R 3/4”. The hose for
connection to the water supply must be
provided by the installer. A shutoff valve
must be installed on the line between the
oven and the supply.
8.3 • WATER SPECIFICATIONS
The characteristics of the water must come
within the limits given below, in order to
prevent both corrosion, which is extremely
d a m a g i n g f o r t h e a p p l i a n c e , d u e t o
supplying water that is too softened or too
aggressive, and scaling in the oven and in
the water system in the case of supplying
water that is too hard.
Hardness: between 60 and 90ppm
PH: greater then 7.5
Chlorides less than 30ppm
These values are important in ensuring that
the water used by the appliance is suitably
treated!
8.4 • DRAIN
It is imperative to fit a drain cup to ensure
a minimum air drop of 25mm. between
the appliance’s plastic drain elbow and
drain line.
A direct connection is not
permissible.
WARNING:
The drain line must be outside the
perimeter of the oven.
It is prohibited to reduce the diameter
of the drain pipe shown in the
installation diagram.
8 • WATER AND DRAIN CONNECTIONS
Max. 200 cm
Min. 4
25 mm.
9.1 • Under no circumstances must the vents
be shut, blocked or ducted into other
pipes.
9 • VENTS