Vitotronic 100, GC1B / Vitotronic 300-K, MW1B Installation and Service
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Connecting Actuators
Vitotronic 100, Installation
1. Disconnect power to control.
2. Install 120V or 24V valve adaptor on DIN rail inside
connection enclosure.
3. Insert the plug gS into socket gS on the Vitotronic
control.
4. Fasten cable with tie.
5. Connect black wire of the adaptor to terminals 8,9 or
10 on the Din rail.
6. Connect valve actuator wires to the adaptor terminals
Legend
A 24V Mixing Valve Adaptor
B DIN Rail (in junction box)
C 24V Valve Actuator
D Valve
Legend
A 120V Mixing Valve Adaptor
B DIN Rail (in connection enclosure)
C 120V Valve Actuator
D Valve
120V Valve Adaptor
Rated voltage: 120VAC
Rated current: max. 0.1 FLA
24V Valve Adaptor
Rated voltage: 24VAC
Rated current: max. 0.15 FLA
gS A1 / M1: for boiler protection (via 100% low
temperature protection package)
or motorized isolation valve.
Operating time: 5 to 199 sec. selected via coding
address “40”.
Refer to the valve adaptor Installation
Instructions.
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