Electrical Connections - Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual

Vitoligno 300-C Installation/Service

Electrical Connections

IMPORTANT
Electrical installations must comply with the latest edition of:
In the U.S.A., the National Electrical Code (NEC),

ANSI/NFPA 70 and any other state, local codes and/or
regulations.
In Canada, the Canadian Electrical Code (CEC),

CSA C22.1 Part 1 and any other province, territory,
local codes and/or regulations.
Actuator connection
Supply system For charging
scheme, Refer to
coding "Hardware"
Vacuum module
with suction wand*4
Vacuum module
and discharge
screw conveyor
Vacuum module
with external
charging
Flexible screw
conveyor without
discharge motor*5
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
*3 potential-free
*4 e.g. pellet silo without motor for discharging
*5 e.g. pellet silo
Feed screw
conveyor
sYD
1 X
2 X
3 X
5 X
6 X
7 X
8 X
CAUTION
Electronic assemblies can be damaged by electrostatic
discharge. Prior to any work, touch grounded objects
such as heating or water pipes to discharge static loads.
For overview of PCBs, see page 132. Connection/wiring
diagrams can be found starting on page 43. Connections
for fuel supply system to junction box.
Note: Connecting cables will be damaged if they touch
hot components. When routing and securing
power cables on site, ensure that the maximum
permissible temperatures for these cables are not
exceeded.
Suction Flexible screw
turbine conveyor motor
sYF sYH
X --
X --
X --
-- --
-- --
-- X
-- X
Installation
Pellet store Ext. charging
discharge screw
conveyor motor
sYK sYL*3
--
X
--
X
--
X
--
--
--
X
--
X
--
X
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