Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 42

Installation
Electrical Connections
Connection of sensors and switches
Supply system
Vacuum module
with suction wand*6
Vacuum module
and discharge
screw conveyor
Vacuum module
with external charging
Flexible screw
conveyor without
discharge motor*7
External charging
with proximity
switch at transfer
to rotary lock valve
Flexible screw
conveyor with
discharge screw
conveyor for pellet
store
Flexible screw
conveyor with external
charging
*6 e.g. pellet silo without motor for discharging
*7 e.g. pellet silo
42
(continued)
For charging Fill level, fuel store
scheme, refer to
coding "Hardware"
1
2
3
5
6
7
8
Boiler pellet hopper (vacuum
system) or via rotary lock
valve (flex. screw conveyor)
sVJ
Optional
Optional
Optional
Optional
Optional
Optional
Optional
For charging scheme (supply system) settings,
see pages 50 and 69.
Routing the cables into the junction box and applying
strain relief
1. Remove the junction box cover by removing 4 screws
A and grounding strap B.
2. Route cables through the access holes in the rear
panel to the junction box.
3. Remove the junction box knockout and install a strain
relief before making the connection.
Vitoligno 300-C Installation/Service
Room discharge
adaptor
sVK
X
X (if not: jumper
across terminals
X
1 and 2) in the
junction box
X (if not: jumper
across terminals
X
1 and 2) in the
junction box
X
X
X
X (if not: jumper
across terminals
X
1 and 2) in the
junction box
sBA
--
--
--
X