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Siemens RDG400 Basic Documentation CE1P3182en
Building Technologies 2015-05-20
VAV compact controller
GDB181.1E/3
3544
GLB181.1E/3
Electromotoric On/Off valve and actuator
(only available in AP, UAE, SA and IN)
MVI../MXI.. 4867
Electromotoric On/Off actuator SFA71.. 4863
Thermal actuator (for radiator valves) STA71.. 4877
Thermal actuator
(for small valves 2.5 mm (0.1"))
STP71.. 4878
Electrical actuator, 3-position
(for radiator valve)
SSA81.. 4893
Electrical actuator, 3-position
(for small valve 2.5 mm (0.1"))
SSP81.. 4864
Electrical actuator, 3-position
(for small valve 5.5 mm (0.2"))
SSB81.. 4891
Electrical actuator, 3-position
(for Combi-valve VPI45)
SSD81.. 4861
Electromotoric actuator, 3-position
(for valves 5.5 mm (0.2"))
SQS85.. 4573
2.4 Accessories
Description Product no. Data Sheet
Changeover mounting kit (50 pcs/package) ARG86.3 1840
Adapter plate 120 x 120 mm for 4" x 4" conduit boxes ARG70
Adapter plate 112 x 130 mm for surface wiring ARG70.2
2.5 Ordering
When ordering, please indicate product no. and description.
For example: RDG400 room thermostat
Order valve actuators separately.
3 Use
The room thermostat is designed for the following types of system:
VAV systems via On/Off or modulating control outputs:
· Single-duct system
· Single-duct system with electric heater
· Single-duct system and radiator/floor heating
· Single-duct system with heating/cooling coil
On/Off actuators
AC 24 V
3-position actuators
AC 24 V