72
Checking expansion vessel and heating circuit pressure
A
Check the pre-charge pressure of the
expansion vessel at test nipple
A
and
recharge, if required.
Pre-charge pressure: 0.75 to 0.95 bar
Note
Also check the pre-charge pressure at
the on-site expansion vessel.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5601 429 GB