Emptying The Dhw Circuit; Emptying The Heating Circuit; Cleaning The Primary Exchanger - Biasi RINNOVA Series User Manual And Installation Instructions

H
Figure 9.3

9.3 Emptying the DHW circuit

• Close the installed DHW inlet cocks .
• Open the system's DHW cocks.

9.4 Emptying the heating circuit

• Close the installed heating system deliv-
ery and return cocks.
• Loosen the heating circuit drain cock 10
indicated in Figure 9.4.
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MAINTENANCE
Figure 9.4
• To make draining easier, unscrew the au-
tomatic bleed valve cap 23 in Figure 9.5.
Figure 9.5

9.5 Cleaning the primary exchanger

Remove the front body panel and the front
combustion chamber panel.
If there is dirt on the primary exchanger fins,
fully cover the surface of the burner ramps
(using a piece of newspaper or similar) and
OPEN
Heating circuit
drain cock
CLOSED
10
23