Kieback&Peter MD15-C Manual Download | Manualshive

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Product Description

MD15-C, MD15-HR, MD15-DA

3.09-20.115-01-EN | 2019-08-12

Q

Removal: MD15-DA

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Move the actuator to the top position using a control signal.

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Disconnect the actuator from the line power. Then disconnect all electrical connections.

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Loosen the union nut.

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Remove the actuator from the valve.

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Loosen the hexagon socket screw on the valve adapter.

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Remove the valve adapter.

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Summary of Contents for MD15-C

Page 1: ...d Danfoss RA Series Application The MD15 C MD15 HR and MD15 DA actuators for three point two point or continuous closed loop control in zone post treatment devices for heating ventilation and air conditioning systems Content Page Important Information Regarding Product Safety 2 MD15 C MD15 HR and MD15 DA Actuators 3 Technical Data 3 Dimensions 4 Connection 5 Valve Installation 6 Mounting and Commi...

Page 2: ...perator to comply with local regulations Mounting installation and commissioning work on the devices may only be carried out by qualified technicians Qualified technicians are persons who are familiar with the described product and who can assess given tasks and recognize possible dangers due to technical training knowledge and experience as well as knowledge of the appropriate regulations Legend ...

Page 3: ...nuous control DC 0 2 10 V 0 5 mA invertible Connection Built in cable 1 5 m 3 x 0 5 mm2 Motor switch off Actuator spindle when extending load dependent when retracting path dependent Display LED display for operating voltage and status Actuating noise 28 dB A Positioning stroke MD15 C 6 mm MD15 HR 9 mm and MD15 DA 3 mm Positioning time 22 s mm Positioning force MD15 C and MD15 HR nominal 200 N MD1...

Page 4: ...15 01 EN 2019 08 12 Q Dimensions Installation position 360 Maintenance Maintenance free Weight 250 g MD15 C MD15 HR MD15 DA M30x1 DIN 13 MD15 HR M30x1 5 DIN 13 MD15 C MD15 HE 86 5 48 5 60 51 75 86 5 48 5 60 51 75 M30x1 5 DIN 13 18 6 M4 M30x1 5 DIN 13 Ø 25 8 Ø 28 8 ...

Page 5: ...nsure proper functioning and to avoid malfunc tions and damage NOTE The actuation direction can be changed by switching the supply lines to terminals 2 and 3 on the actuator or by setting DIP switch 3 Continuous control Three point control Two point control M GY 24 V AC DC BU BN 0 V AC DC Y 0 2 10 V DC 1 2 3 MD15 DA MD15 C MD15 HR GY 24 V AC DC BU BN 0 V AC DC M 1 2 3 MD15 DA MD15 C MD15 HR GY 24 ...

Page 6: ...stance of 10 times the nominal diameter is recommended between the valve flange and manifold or other similar parts The installation location is to be selected so that the ambient temperature at the actuator is kept between 0 C 50 C When carrying out installation the permissible max pressure difference p and the specified direction of flow must be observed see table in Types section as well as the...

Page 7: ...by qualified technicians If the valve is installed in the system make sure that no differential pressure builds up in the valve body before beginning work If necessary close the gate valve and turn off pumps After the pipeline has cooled off the actuator can be installed Be sure to comply with VDE guidelines and local wiring regulations The device is connected according to the legally binding syst...

Page 8: ...and tighten hand tight using the union nut Establish the electrical connection After the line power has been switched on an automatic initialization run takes place The actuator first travels to the upper end position and then to the lower end position The actuator will not respond to the control signal until the initialization run is complete ...

Page 9: ...Page 9 14 MD15 C MD15 HR MD15 DA Product Description 3 09 20 115 01 EN 2019 08 12 Q Mounting the MD15 DA 3 6 0 Danfoss RA N DN 10 25 RA FN DN 10 25 RA U DN 10 20 1 2 3 2 mm 4 5 6 7 8 9 10 11 1 2 3 12 ...

Page 10: ... using the union nut see figure 7 Establish the electrical connection After the line power has been switched on an automatic initialization run takes place The actuator first travels to the upper end position and then to the lower end position The actuator will not respond to the control signal until the initialization run is complete NOTE When the unit is remounted you must adapt the valves again...

Page 11: ...f necessary close the gate valve and turn off pumps After the pipeline has cooled off you can begin removing the actuator CAUTION Before beginning to remove the unit put the actuator in the top position Removal MD15 C and MD15 HR Move the actuator to the top position using a control signal Disconnect the actuator from the line power Then disconnect all electrical connections Loosen the union nut R...

Page 12: ...A Move the actuator to the top position using a control signal Disconnect the actuator from the line power Then disconnect all electrical connections Loosen the union nut Remove the actuator from the valve Loosen the hexagon socket screw on the valve adapter Remove the valve adapter 100 1 2 3 4 5 6 7 ...

Page 13: ... socket 4 mm can be used to move the actuator into any position CAUTION If you manually adjust until the slip clutch responds turn the hexagon key half a turn in the opposite direction after the manually set stroke position has been reached NOTE An initialization run must be performed after a manual adjustment This occurs during operation when a valve end position is reached as part of normal oper...

Page 14: ...ing commissioning Valve exercise prevents the cone from jamming when the valve is not moved for a long period of inactivity e g for heating systems during the summer If valve exercise is activated the valve cone is raised for a few seconds when there is no movement for 21 days Default setting off Switch 2 sets the control range for the continuous actuating signal to DC 0 10 V or DC 2 10 V Default ...

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