Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 187

ZPK 2.02 PCB
(cont.)
Danger
Touching live components can result in serious
injuries.
Isolate the system from the power supply (e.g.
by removing the separate fuse or by means of a
mains isolator) and check that it is no longer
live.
Safeguard the system against reconnection.
Fig. 119
Connection to HKK 2.01 PCB
s-Ö
Finned grate
sYA
Ash removal screw conveyor
sYS
Feed screw conveyor
sYD
Suction turbine
sYF
Allocation of terminals, plug
1: Anti-clockwise rotation (anti-clockwise rotation of
motor changeover unit moves to the right)
Ó
2: Clockwise rotation (clockwise rotation of motor
changeover unit moves to the left)
:
sYG
Ó
Connection and wiring diagram
Drive motor, pellet changeover unit
sYG
Flexible screw conveyor motor
sYH
Discharge screw conveyor (motor)
sYK
External charging (potential-free)
sYL
187