Vitoligno 300-C Installation/Service
5790 980 - 04
42
Installation
Electrical Connections
(continued)
Connection of sensors and switches
Supply system
For charging
scheme, refer to
coding “Hardware”
Fill level, fuel store Boiler pellet hopper (vacuum
system) or via rotary lock
valve (flex. screw conveyor)
Room discharge
adaptor
sVJ
sVK
sBA
Vacuum module
with suction wand*6
1
Optional
X
--
Vacuum module
and discharge
screw conveyor
2
Optional
X
X (if not: jumper
across terminals
1 and 2) in the
junction box
Vacuum module
with external charging
3
Optional
X
X (if not: jumper
across terminals
1 and 2) in the
junction box
Flexible screw
conveyor without
discharge motor*7
5
Optional
X
--
External charging
with proximity
switch at transfer
to rotary lock valve
6
Optional X
--
Flexible screw
conveyor with
discharge screw
conveyor for pellet
store
7
Optional X
X
Flexible screw
conveyor with external
charging
8
Optional
X
X (if not: jumper
across terminals
1 and 2) in the
junction box
For charging scheme (supply system) settings,
see pages 50 and 69.
*6 e.g. pellet silo without motor for discharging
*7 e.g. pellet silo
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.