Viessmann VITOTRONIC 100 GC1B Installation Manual Page 79

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Vitotronic 100, GC1B / Vitotronic 300-K, MW1B Installation and Service
Connecting Actuators
Available connections
gS A1 Motor for 3-way mixing valve, primary store system
gS M2 For heating circuit 2
gS M3 For heating circuit 3
Rated voltage: 120V~
Rated current Max.: 0.1A~
Motor runtime for
3-way mixing valve: 10 to 255 sec, adjustable via
coding addresses “6A” in
the”DHW”group, “C3” in the HC2
group and “C3” in the HC3 group.
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 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 junction box)
C 24V 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
Operating time: 5 to 199 sec. selected via coding
address “40”.
Refer to the mixing valve adaptor Installation
Instructions for additional information.
Vitotronic 300-K, Installation
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