Connecting Actuators - Viessmann VITOTRONIC 100 GC1B Installation And Service Instructions Manual

Installation Sequence

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:
24V Valve Adaptor
Rated voltage:
Rated current:
gS A1: for boiler protection (via 100% low
temperature protection package)
or motorized isolation valve.
Operating time: 5 to 199 sec. selected via coding
address "40".
56
Legend
A 120V Mixing Valve Adaptor
B DIN Rail (in junction box)
C 24V Valve Actuator
D Valve
1. Disconnect power to control.
120VAC
2. Install 120V or 24V valve adaptor on DIN rail inside
max. 0.1 FLA
24VAC
3. Insert the plug gS into socket gSA1 on the Vitotronic
max. 0.15 FLA
4. Fasten cable with tie.
5. Connect black wire of the adaptor to terminals 8,9 or
6. Connect valve actuator wires to the adaptor terminals
Vitotronic 100, GC1B Installation and Service
junction box.
Refer to the valve adaptor Installation
Instructions.
control.
10 on the Din rail.