Technical information

1
Control Overview—Pump Outputs
Pump Outputs—Switched Output [20][A1]/[M1]: Dry Contact Control Signal
Applicable for Vitotronic 100, GC1, Vitotronic 300, GW2 and Vitocontrol-S, MW1
Refer to applicable control manual
for coding information regarding
this output.
1 White [20][A1]/[M1] plug is
plugged into control from
previous control installation
steps.
2 Pre-wired interconnecting
harness between [20][A1]/[M1]
plug and DIN rail terminals.
3 Terminals on DIN rail inside
control junction box.
4 Output voltage 120VAC at
terminal 5 field supplied relay.
Neutral and Ground terminals
provided if necessary.
5 Field supplied relay for signal to
BMS or other control devices.
120VAC Output
Rated Current: max 2FLA
Recommended connection wire
size: AWG 14.
2
3
4
5
Section 3.5.3
Section 3
IMPORTANT
Contact rating of field supplied
contactor or relay will determine the
loads that can be switched. Consult
contact rating information on the
side of relay/contactor housing or
manufacturer directly
IMPORTANT
Ensure that all field wiring conforms
to local codes and regulations.
Connection Overview
A Field supplied relay
B Contacts of field supplied relay
5346540 v1.0 09/2006 Technical information subject to change without notice
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