Preparation For Service; Warnings; Sequence Of Operations - Biasi RINNOVA ADAPTIVE 25S User Manual And Installation Instructions

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PREPARATION FOR SERVICE

6.1 Warnings

Before performing the operations
described below, make sure that
the installed two-way switch is in
the off position.

6.2 Sequence of operations

Gas supply
• Open the cock for the gas meter and for the
boiler 7 in Figure 6.1.
Open
position
Figure 6.1
• Check for leaks in the gas fitting using a
soapy solution or equivalent.
• Close the gas cock 7 in Figure 6.2.
Closed
position
Figure 6.2
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PREPARATION FOR SERVICE
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Filling the circuit
• Remove the front panel on the body, see sec-
tion "Removing the body panels" on page
67.
• Open the installed water cocks.
• Open one or more hot water cocks to bleed
the pipes.
• Loosen the automatic bleed valve cap 24 in
Figure 6.3.
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Figure 6.3
• Open the radiator cocks.
• Fill the heating circuit, see section "Filling the
heating circuit" on page 16.
• Bleed the radiators and the various high
points of the installation, then close any
manual bleeding devices again.
• Remove the cap 26 in Figure 6.3 and release
the pump by turning the impeller using a
screwdriver.
Bleed the pump during this operation.
• Close the pump cap.
• Finish filling the heating system.
The installation as well as the pump must be
bled multiple times.
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