Technical information
1 
Control Overview—Pump Outputs 
Pump Outputs—Shunt Pump [29]: 120VAC Output 
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 
control junction box. 
4 Output voltage 120VAC at 
terminal 6 for Shunt pump. 
5 Connected fractional 
horsepower pump or circulator. 
Refer to pump installation 
manual for proper wiring 
connections inside of pump.  
120VAC Pump Output 
Rated Current: max 2FLA 
Recommended connection wire 
size: AWG 14 
Connect the 3-wire cable from the 
pump to the corresponding 
terminals. 
2 
3 
4 
5 
Shunt 
Pump 
Section 3.5.4 
Section 3 
Connection Overview 
IMPORTANT 
Ensure that all field wiring conforms 
to local codes and regulations.  
5346540 v1.0 09/2006 Technical information subject to change without notice 
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