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Heating engineer
Installation, use and maintenance manual – AD
17
3
Figure 2.18
Installation example
1
Skylight
2
Coverage
3
Stainless steel brackets
4
Duct with flanges and neoprene gaskets
5
6-way diffuser with adjustable louvres
6
Dowels to secure the brackets to the ceiling
7
Screws to secure the duct to the brackets
8
Galvanized or stainless steel chains for fixing the ducts to the ceiling
1
2
3
4
5
6
7
8
Figure 2.19
Installation example
1
Support frame
2
Duct with flanges and neoprene gaskets
3
Galvanized or stainless steel chains for fixing the ducts to the
ceiling
4
6-way diffuser with adjustable louvres
5
45° curve with flanges and neoprene gaskets
6
Duct with flanges and neoprene gaskets
1
2
3
6
5
4
3
HEATING ENGINEER
3.1
WARNINGS
3.1.1
General warnings
Read the warnings in Chapter III.1
p. 4, pro-
viding important information on regulations and
on safety.
Compliance with installation standards
Installation must comply with applicable regula-
tions in force, based on the installation Country
and site.
Installation must also comply with the manufactur-
er's provisions.
3.2
HYDRAULIC CONNECTIONS
3.2.1
Plumbing fittings
at the bottom (Figure 1.1
A. Water inlet 3/8" M
B. Water drain 60 mm M
3.2.2
Connection to the water supply
Always provide, near the appliance:
▶
on the inlet water piping
isolation ball valve
sand filter
softening system (in the case of hardnesses > 27 °f)
▶
on the output water piping
drainage system for emptying the system before
the winter season
The water supply system must grant a minimum
flow rate of 7 l/min for each unit at a pressure of
1,5÷3 bar (maximum allowed pressure: 6 bar).
It is recommended to build the water pipe inside
the building, otherwise provide a properly insu-
lated pipe.
It is recommended to use drinking water, of hardness not
exceeding 27 °f and not less than 7 °f.
Don’t use demineralized water.
Proceed to connect the 3/8" M sleeve to the main water
supply without stressing it excessively (Figure 3.1