9
The high limit safety cut-out must
not
be set higher
than 110 °C; if required, set it to a maximum of 110 °C.
Control unit installation and service instructions
Filling the heating system with water and venting
Record the volume filled, water hardness and pH value
on page 72.
Note
Observe the "Water quality requirements" on
page 70.
Filling the trap with water
Fig. 1
1.
Undo the trap and fill it with water. There is a risk of
flue gas escaping if it is not filled with water prior to
commissioning.
2.
Check that the condensate can drain freely.
3.
Refit the trap.
Commissioning the system
Danger
CO build-up as a result of incorrect burner
adjustment can have serious health implications.
Always carry out a CO test before and after
work on gas appliances.
■
Vitotronic operating instructions and service
instructions
■
Neutralising system operating instructions
■
Flue system installation instructions
Commissioning, inspection, maintenance
Checking the high limit safety cut-out setting
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