Technical information

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Boiler and Control Overview Section 2
Vitorond VD2 Boiler/Control/Burner
Vitocrossal CT3 Boiler/Control/Burner
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The controls are mounted on the
side of the boilers with the burner
conduit to be routed towards the
burner.
1 Boiler control mounted on the
side of boiler.
Conduit from the burner
harness housing points in the
direction of the burner.
2 The interconnecting harness
coming from the control is
routed to the burner. Wires
inside the conduit are wired to
the burner. Depending on the
burner model, there may be
plug-in interconnections or hard
wired connections to the
terminal strip located inside of
the burner. Refer to burner
schematics before beginning
wiring.
3 Gas train wiring comes from the
burner housing. Check with
supplied equipment to verify if
gas train wiring is factory wired
or field wired.
Burner Conduit
IMPORTANT
Refer to the correct wiring
diagrams when wiring the control
to burner. Do not make any
connections without the proper
documentation.
Section 2.0
IMPORTANT
The length of the conduit is
designed to allow for the burner or
boiler door to be opened when
burner is wired. Do not shorten
conduit without ensuring proper
access for service.
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5346540 v1.0 09/2006 Technical information subject to change without notice