Pump Connection - Viessmann Vitotronic 100 GC1 Installation And Service Instructions Manual

Installation – Vitotronic 100, GC1
Connection of the pumps
Available pump connections
sL
Shunt pump, boiler circuit pump
Terminals 6 - L, - G, - N in line
voltage connection enclosure.
Install pumps; see
manufacturer's instructions.
240 VAC or 3 PH pumps
Please note:
Use contactor and/or motor starter
to power pump.
For activating the contactor:
Rated current: max. 2 FLA
Recommended connection
wire size: AWG 14
Please ensure that all connections
and wire size comply with local and
national codes.
1.Select the contactor and the
connecting wire in accordance
with the rating of the pump that
is to be connected.
2.Connect pump and power supply
to the contactor.
3.Connect contactor coil to the
corresponding terminals.
36
A
B
A Connection enclosure on boiler
control
B 120 VAC DHW tank pump or
shunt pump