9
Checking the high limit safety cut-out setting
The high limit safety cut-out is preset to
110 °C and, if required, can only be
adjusted by changing the coding card.
Filling the heating system with water and venting
Record the charge volume, water hard-
ness and pH value on page 44.
Note
Observe the "Water quality require-
ments" on page 87.
Filling the siphon with water
1.
Undo four screws and remove the
rear centre and lower back panels.
2.
Undo the siphon and fill with water
(otherwise flue gas may escape).
3.
Check that the condensate can drain
freely.
4.
Remount the siphon.
Note
The hose connection to the on-site
condensate system or to the neutral-
ising system must not be permitted to
sag; support with a pipe if neces-
sary.
Commissioning, inspection, maintenance
Further details regarding the individual steps
5794 780 GB
Summary of Contents for 7502860
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