D
SC
The following section specifies the requirements of the boiler hydraulic fittings.
Description
Multidea Evo
60 100 115
MI System supply 1”1/4 M Ø
RI System return 1”1/4 M Ø
Sd Condensate syphon drain 25 mm
Sv Safety valve drain
hose connector Ø 20
mm
SC
Boiler drain
- mm
D 480 480 560 mm
b
WARNINGS
•
Never soften water using the ion exchange principle.
•
Never fill the system using distilled or demineralised water, as these cause serious corrosion of the heat exchanger. The
system must be filled and replenished with softened water to reduce overall hardness. The water must also be treated
to maintain the pH factor within the envisaged range, to avoid the risk of corrosion.
•
On a register, note the quantity of filling water, top-up water, water quality readings and water treatment used.
•
Install a meter to control the quantity of filling and top-up water.
•
The conductivity of the untreated water in the system must NEVER exceed 600 µs/cm.
•
If the system water is treated, strictly observe the instructions of the manufacturer of the product used, and ensure that
conductivity NEVER exceeds 2000 µs/cm.
•
Intheeventofgeneratorreplacement,itisCOMPULSORYtowashtheentiresystem.
NOTE: If conductivity exceeds the values specified above, drain the system, flush it and fill with clean and treated tap water.
b
WARNINGS
•
The boiler is delivered with a check valve as part of
the standard supply. Ensure that the check valve is
inserted in the return connection (RI) only in the case
of cascade configurations.
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