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880

Thermal Actuators

for small valves and radiator valves

STS61

• AC 24 V operating voltage, DC 0…10 V positioning signal

• Positioning force 125 N

• For direct mounting with union nut, no tools required

• Standard versions with 2 m connecting cable

• 3-wire connection

• Direction of action can be selected by making appropriate electrical connection

• Position indication

• Robust construction

• Maintenance-free

• Noiseless

Use

• For Siemens small valves VD1…CLC

• For Siemens radiator valves VDN..., VEN... and VUN...

• For Siemens MiniCombiValves (MCV) VPD… and VPE...

• For Siemens small valves V…P469 (OEM), 599… (U.S.)

• For Siemens small valves VVP47…, VXP47… and VMP47…

• For radiator valves supplied by Heimeier, Cazzaniga, Oventrop M30 x 1.5,

Honeywell-Braukmann, MNG, TA-type TBV-C, Junkers and Beulco new (all without

adapter)

• For radiator valves with actuators secured with an M30 x 1.5 union nut, nominal

closing dimension 11.6 ± 0.3 mm and nominal stroke 2.5 mm (without adapter)

• With the appropriate adapters, the actuators can be used with valves of other

manufacture (refer to «Type summary / Accessories»)

CE1N4880en

09.09.2005

Building Technologies

HVAC Products

1 2 3 4 5 6 7 8

Sommario

Pagina 1 - Thermal Actuators

4880 Thermal Actuators for small valves and radiator valves STS61 • AC 24 V operating voltage, DC 0…10 V positioning signal • Positioning

Pagina 2 - HVAC Products 09.09.2005

Type summary Type Operating voltage Positioning time at 20 °C Dead time Positioning signal Connecting cable STS61 AC 24 V 18…30 s/mm 80 s DC 0…

Pagina 3 - DC 0...10 V

Operation Breakdown Direction of action Positioning signal DC 0…10V Actuator stem Valve behaviour Actuator without operating voltage  Y increasing

Pagina 4

Position indication The valve position is indicated by a blue bar which moves up and down with the actuator stem. 4880Z22H 100 %H 100 % Direction of

Pagina 5

Accessories Adapter type AV... for third-party valves Adapter types AV51 to AV61 are available for mounting the STS61 actuators on third-party radiat

Pagina 6

Maintenance STS61 actuators are maintenance-free. Repair Faulty actuators must be replaced as complete units. The actuator will be destroyed when open

Pagina 7 - Max. 60 VA when switching on

Technical data STS61 Power supply Operating voltage (extra low voltage 1)) AC 24 V Voltage tolerance ± 20 % Frequency 50 / 60 Hz Power

Pagina 8 - M30 x 1.5

Connecting cable 4880Z25enredwhitebrownblue Y Positioning signal (DC 0…10 V) Y Positioning signal (DC 0…10 V) G System potential AC 24 V G0 Syst

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