Routing Connecting Cables/Leads - Viessmann Vitocrossal 200 CM2 Series Installation Instructions Manual

Gas condensing boiler with matrix cylinder burner
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Burner electrical connection
Danger
Incorrect core assignment can lead to serious
injury from electrical current and result in appli-
ance damage.
Never interchange cores "L 1" and "N".
L1: Brown
N: Blue

Routing connecting cables/leads

/
f-YBH
aG
fA
B
A
aG
Fig. 20
Boiler water temperature sensor
§
(supplied with the control unit)
Flue gas temperature sensor
aG
Power cable
Danger
Incorrectly executed electrical installations can
result in injuries from electrical current and dam-
age to the appliance.
Route LV leads < 42 V separately from cables
that are > 42 V/230 V/400 V.
Note on A
Route along the top rail, using plug-in cable ties.
(cont.)
§
C
§
fA
/
f-YBH
fA
The permanent power supply (power cable with plug
) must be connected in such a way that it can be
switched off via the mains isolator.
When the mains isolator is on, the system is live as far
as the contactor of the mains filter unit and the control
unit.
The burner fan connecting cable is isolated as soon as
the control unit is switched off.
E
aG
D
aBH
Control unit connecting cable
f-\YBH
Burner cable
fA
Burner modulation cable
Note on B
Route below the top rail as a bundle, using plug-in
cable ties.
Note on C
Route to the sensor well above the thermal insulation.
Push the boiler water temperature sensor into the sen-
sor well as far as it will go.
Note on D
Route below the top rail, using plug-in cable ties.
23

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