Connecting Actuators - Viessmann Vitotronic 300 Installation And Service Instructions Manual

Vitotronic 300, GW5B Installation and Service

Connecting Actuators

Legend
A 24V Mixing Valve Adaptor
B DIN Rail (in junction box)
C 24V Valve Actuator
D Valve
120V Valve Adaptor
Rated voltage:
Rated current:
Recommended connection wire size: AWG 14
24V Valve Adaptor
Rated voltage:
Rated current:
Recommended connection wire size: AWG 14
Operating time: 5 to 199 sec. selected via coding
address "40".
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.
Legend
A 120V Mixing Valve Adaptor
B DIN Rail (in junction box)
C 24V Valve Actuator
D Valve
1. Disconnect power to control.
120 VAC
2. Install 120V or 24V valve adaptor on DIN rail inside
max. 0.1 FLA
3. Insert the plug gS into socket gS on the control.
4. Fasten cable with tie.
24 VAC
5. Connect black wire of the adaptor to terminals 8,9 or
max. 0.15 FLA
6. Connect valve actuator wires to the adaptor terminals
connection enclosure.
10 on the Din rail.
Refer to the mixing valve adaptor Installation
Instructions for additional information.
Installation Sequence
19