Boiler With Low Water Cut-Off (Remote Mounted, Field Supplied) - Viessmann WB1A Series Installation And Service Instructions Manual

Installation Examples
Boiler with low water cut-off (remote-mounted, field supplied)
Hi-Vent
LWCO
Vitodens 100-W
Boiler below radiation
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(continued)
Hi-Vent
LWCO
Vitodens 100-W
Boiler above radiation
Boiler Connections
A low water cut-off may be required by
local codes. If boiler is installed above
radiation level, a low water cut-off
device of approved type (field supplied)
must be installed in all instances at the
highest point of the piping system. Do
not install an isolation valve between
boiler and low water cut-off.
Follow the installation instructions of
the low water cut-off manufacturer.
For low water cut-off wiring
information specific to your application,
refer to applicable wiring diagram on
the boiler enclosure panel.
Note:
The Vitodens 100-W boiler has a
built-in flow switch, which may be
accepted by local codes in lieu of a low
water cutoff.
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