Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 40

Installation
Flexible Screw Conveyor Drive Assembly
Flexible screw
conveyor drive
40
Vitoligno 300-C Installation/Service
(continued)
Connecting the pellet sensor to the drive unit
1. Screw the plug attached to the boiler into the pellet
sensor.
2. Insert supplied connecting cable for the drive motor
into the motor.
3. Route the flexible screw motor cable from the flexible
screw drive (left side), around the insulation jacket of
the boiler, zip tie B the cable to the front of the
frame rail to the junction box (right side).
Route the cable into the junction box and secure using
field supplied strain relief.
Make connections to terminal sYH on DIN rail X1.
To access the junction box refer to page 42.
Junction box terminals sYK for room discharge
Junction box terminals sYH for flexible screw conveyor
For junction box terminals refer to page 49.
CAUTION
Route the flexible screw conveyor cable as shown so that
it does not come into contact with any hot surfaces A.