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
Содержание 7424689
Страница 83: ...83 Opening the programming unit 1 3 2 2x Troubleshooting Repairs 5601 429 GB Service ...
Страница 84: ...84 Removing cover from programming unit if necessary 5 4 4x Troubleshooting Repairs cont 5601 429 GB ...
Страница 85: ...85 Placing the control panel in its service position 4x 2 3 1 Troubleshooting Repairs cont 5601 429 GB Service ...
Страница 86: ...86 Removing the separating plate 1 2 Troubleshooting Repairs cont 5601 429 GB ...