Pellet Supply Via Vacuum System - Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual

Vitoligno 300-C Installation/Service

Pellet Supply via Vacuum System

Installing the pellet hopper
Note: Prior to installing the hopper remove all hardware
and accessories from inside the hopper.
1. Place the gasket on the flange.
2. Position the pellet hopper and secure with 4 short bolts.
3. Insert the cable with round 5-point female plug into the
pellet level sensor. Remove the protective cap from the
pellet level sensor for this purpose.
Note: The pellet sensor connection is pre-installed and
secured at the front right suspension rail for
transport (release to install).
Installing the vacuum module
Note: The hardware for steps 1 to 3 has been
removed from the pellet hopper.
1. Note: Prior to fitting the mounting bracket, remove
the cable from the nearby cable tie.
Secure the mounting bracket for the vacuum
module with 3 self-tapping screws.
2. Position vacuum module (pipe connectors to the
rear) and secure it to the mounting bracket from
below with 3 knurled screws.
Note: when installing the vacuum module, ensure the
the vacuum return air line connection A is
facing to the rear of the boiler. If all 3 screws
do not line up, remove all 3 brass inserts and
shift one position using a 5 mm Allen key.
3. Push the plastic pipe elbow onto the bottom of the
vacuum module.
4. Remove screw from frame and connect ground wire
with screw.
5. Fit the supplied grounding cable to the spade
connector on the pellet hopper.
Installation
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