8
The product contains ceramic fibres.
Danger
When working with high temperature insulation
materials that contain zirconium or aluminium
silicate ceramic fibres, fibre dust may
develop. This fibre dust can be harmful to
health.
Only trained personnel may adapt or replace the
insulation. Wear suitable protective clothing,
especially breathing equipment and safety gog-
gles.
Checking the high limit safety cut-out setting
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 fill volume, water hardness and pH value in
the table on page 54.
!
Please note
Unsuitable water quality can result in damage to
the boiler shell and the heating system.
Observe the "Water quality requirements" on
page 52 onwards.
Filling the trap with water
A
B
Fig. 1
1.
Remove lower back panel
A
by undoing the 4
quarter-turn rotary latches
B
.
2.
Undo the siphon and fill with water, otherwise flue
gas may escape.
Commissioning, inspection, maintenance
Information on maintenance work
5783 337 GB
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