Technical information

1
Control Overview—Pump Outputs
Pump Outputs—Shunt Pump [29]: Contactor
Applicable for Vitotronic 100, GC1, Vitotronic 300, GW2 and Vitocontrol-S, MW1
1 White [29] plug is plugged into
control from previous control
installation steps.
2 Pre-wired interconnecting
harness between [29] plug and
DIN rail terminals.
3 Terminals on DIN rail inside of
control junction box.
4 Output voltage 120VAC at
terminal 6 for Shunt pump.
5 Connected device.
120VAC Output
Rated Current: max 2FLA
Recommended connection wire
size: AWG 14
240VAC or 208/575VAC 3PH
Pumps
Please note:
Field supplied contactor and/or
motor starter to power pump from
external power source.
Output from control to activate the
contactor:
Rated current: max. 2FLA
Please ensure all connections and
wire sizes comply with local and
national codes.
1 Select the contactor and the
connecting wire in accordance
with the rating of the pump to
be connected.
2 Connect pump and power
supply to contactor.
3 Connect contactor coil to the
corresponding terminals.
4 Ensure proper pump rotation.
2
3
4
Shunt
Pump
Section 3.5.4
Section 3
5
R
IMPORTANT
Ensure that all field wiring conforms
to local codes and regulations.
Connection Overview
5346540 v1.0 09/2006 Technical information subject to change without notice
52