Emptying The Dhw Circuit; Emptying The Heating Circuit - Biasi Basica Cond 25S 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 11
indicated in Figure 9.4.
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MAINTENANCE
Figure 9.4
• To make draining easier, unscrew the au-
tomatic bleed valve cap 25 in Figure 9.5.
Figure 9.5
OPEN
Heating circuit
drain cock
CLOSED
11
25