Technical information

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Installation of Boiler Controls
Vitotronic 100, GC1 and Vitotronic 300, GW2 on Vitorond VD2 boilers (490-1096MBH or 144-321KW)
Refer to boiler manual for more detailed instructions on the boiler jacket assembly
6 Control is installed on two tabs
at the top of the control harness
(mounting plate). Control pivots
down into the burner harness
housing.
7 Control fastened down to burner
harness housing with two
screws.
8 Control limit capillaries fed
though newly created hole with
bushing in boiler jacket.
Capillaries should remain above
the boiler insulation. Insert limits
into multi-point sensor well at
back of boiler.
9 Cover top of boiler with jacket
panel. Slide panel forward to
ensure panel being locked into
position. Insert two screws on
rear back lip and fasten top panel
to rear panel.
10 Pressure fit display cover onto
front of boiler by sliding left edge
into position first, followed by
pushing right side in.
WARNING
!
Ensure limit capillaries are not kinked
or bent. This will adversely affect the
operation of the limit.
Installation Steps Continued
Section 2
Section 2.1
IMPORTANT
Insert and feed fixed high limit and
adjustable high limit capillaries, as
well as boiler temperature sensor
to rear of boiler.
Ensure limit capillaries are installed
into temperature well before
installing top panel of boiler jacket.
Ensure limits are pushed
completely into individual well.
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5346540 v1.0 09/2006 Technical information subject to change without notice