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Summary of Contents for TA UDV
- Page 1 Version 1.0 EN ¾" Universal 3-way valve Installation instructions...
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Page 3: Table Of Contents
Table of contents Safety requirements ......................4 Maintenance ........................... 4 Function ..........................4 Structure and assembly of the 3-way valve ................. 5 Valve:drive unit connection ....................6 Camshaft ..........................6 Use of locking plate as a lever ..................7 Selecting the rotation angle (90° or 180°) ................ 7 Control cam valve position indicator ................ -
Page 4: Safety Requirements
Function The UDV 3-way valve is a ball valve suitable for temperatures up to 100 °C with T-bore and 3/4" connections. The valve position is indicated on the casing. Internal spring terminals permit free wiring in place of a fixed connection cable. -
Page 5: Structure And Assembly Of The 3-Way Valve
Structure and assembly of the 3-way valve Upper casing section Drive motor Drive shaft Camshaft Motor terminals Terminals 2 limit switches Locking plate Valve body with ball valve... -
Page 6: Valve:drive Unit Connection
Valve:drive unit connection Depending on requirements, the valve body can be connected to the drive in 4 different positions. To secure this connection, the locking plate must be inserted into the slot provided in the upper casing section. Examples: Camshaft When positioning the camshaft on the valve shaft, ensure that the marking on the valve shaft coincides with the marking at the lower end of the camshaft: The marking on the valve shaft indicates the position of the ball valve. -
Page 7: Use Of Locking Plate As A Lever
If the camshaft is positioned correctly, then the indicator on the camshaft disc coincides with the position of the ball valve: Use of locking plate as a lever The valve shaft can be brought into the correct position with the help of the locking plate. If pliers are used, they could damage the valve shaft. - Page 8 If a switching angle of 90° is required, then a second control cam must be inserted into the shaft. To do this, break the control cam (coloured grey in the drawings) out of the disc and slide it into the groove provided for this purpose. View of the correctly inserted 90°...
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Page 9: Control Cam Valve Position Indicator
Control cam valve position indicator When the upper casing section is attached, the current position of the valve is indicated by the camshaft disc. In the following example, the upper part of the "cross" is red, which means that this branch is closed. The position of the spherical head is therefore:... -
Page 10: Mounting The Drive Motor
Mounting the drive motor To connect the drive motor to the camshaft, insert the drive shaft into the motor shaft. Then secure the motor to the lower casing section with 2 fixing screws. Fixing screws Drive shaft The motor is connected to the motor terminals at the factory. These connections must not be interchanged. -
Page 11: Electrical Connection
Electrical connection The valve may be switched both with relay changeover contact (3-point control signal) or with continuous phase and N/O relay (2-point control signal, virtual return spring). Cable entry with Pg9 fitting Terminal block connections 3-point control signal In this case, one core is responsible for clockwise rotation and another for anti-clockwise rotation. -
Page 12: 2-Point Control Signal
2-point control signal A continuous voltage is required at the valve for operation with a 2-point control signal. This causes the motor to be rotated clockwise into its end position. The Y control phase uses an integrated relay to switch the rotational direction to anti- clockwise and the motor rotates to its other end position. -
Page 13: Technical Data
Technical data Rated voltage 230 V 50 Hz +/-10 % Power consumption 5 W moving, 0 W in position, 0.1 W / 1.5 VA internal relay active IP rating / protection class IP 20 / protection class II - safety insulated Nominal operating mode S2 (short-term operation) Max. -
Page 14: Dimensions
Dimensions... - Page 15 EU Declaration of Conformity Document number/date: TA17025 / 02/02/2017 Manufacturer: Technische Alternative RT GmbH Address: A-3872 Amaliendorf, Langestrasse 124 The manufacturer bears sole responsibility for issuing this Declaration of Conformity. Product designation: Brand names: Technische Alternative GmbH. Product description: 3-way valve with drive unit The item described above complies with the following directives: 2014/35/EU Low Voltage Directive...
- Page 16 5. Faulty parts must be returned to our factory with a copy of the proof of purchase and a precise fault description. Processing is accelerated if an RMA number is requested via our homepage www.ta.co.at.The defect must be clarified with our technical support beforehand. 6. Services provided under guarantee result neither in an extension of the guarantee period nor in a commencement of a new guarantee period.
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