Technical information

1
Control Overview—Alarm Output
Alarm Output—Compiled Alarm [50]: Dry Contact Control Signal
Applicable for Vitotronic 100, GC1, Vitotronic 300, GW2 and Vitocontrol-S, MW1
1 Red [50] plug is plugged into
control from control installation
steps.
2 Pre-wired interconnecting
harness between [50] plug and
DIN rail terminals.
3 Terminals on DIN rail inside of
control junction box.
4 Output voltage 120VAC at
terminal 7.
5 Connected device to indicate
alarm status.
Field supplied 120VAC relay.
Relay can either be mounted in
control junction box or
remotely.
6 Relay contacts provide alarm
status condition. Connection to
relay dry contact terminals is a
function of type of alarm output
required. Dry contacts can
either be normally open or
normally closed contact.
120VAC Output
Rated Current: max 2FLA
Recommended connection wire
size: AWG 14
2
3
4
5
Section 3.5.5
Section 3
R
6
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
5346540 v1.0 09/2006 Technical information subject to change without notice
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