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MD15-HE, MD15-R-HE

Product Description

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Page 11 / 14

3.09-20.125-01-EN | 2019-08-19

Dismounting the actuator

CAUTION

Before beginning to remove the unit, 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, you can begin removing the actuator.

!

CAUTION

Before beginning to remove the unit, move the actuator to the uppermost position.

Removal: MD15-C, MD15-HR and MD15-HE

Move the actuator to the uppermost 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.

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Содержание MD15-HE

Страница 1: ...sition or continuous control systems for zone post treatment devices for heating ventilation and air conditioning systems Content Page Important Information Regarding Product Safety 2 MD15 HE and MD15...

Страница 2: ...r 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...

Страница 3: ...5 mm2 Motor switch off Actuator spindle when extending load dependent when retracting path dependent Display LED display for operating voltage Actuating noise 28 dB A Positioning stroke 3 mm Position...

Страница 4: ...09 20 125 01 EN 2019 08 19 Dimensions Connection 86 5 48 5 60 51 75 M30x1 5 DIN 13 Continuous control M GY 24 V AC DC BU BN 0 V AC DC Y 0 2 10 V DC 1 2 3 MD15 HE GY 24 V AC DC BU BN 0 V AC DC Y 0 2 10...

Страница 5: ...HE MD15 R HE Product Description Q Page 5 14 3 09 20 125 01 EN 2019 08 19 Three point control Two point control GY 24 V AC DC BU BN 0 V AC DC M 1 2 3 MD15 HE GY 24 V AC DC BU BN 0 V AC DC M 1 2 3 MD1...

Страница 6: ...1 2 R20E 20 10 2 5 3 4 Straight through flow R10DV 10 10 0 86 3 8 with Kvs setting R15DV 15 10 0 86 1 2 R20DV 20 10 0 86 3 4 Flow through 90 R10EV 10 10 0 86 3 8 with Kvs setting R15EV 15 10 0 86 1 2...

Страница 7: ...The maximum flow rate Kvs value m h can be selected by using the settings 1 2 3 4 5 6 7 or 8 delivery setting 8 corresponds to a Kvs value 0 86 The setting can be made using a Z29 socket key accessor...

Страница 8: ...ce 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 actua...

Страница 9: ...rential 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 compl...

Страница 10: ...ten 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...

Страница 11: ...ose 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 move the actuator to the uppermost position Remo...

Страница 12: ...ket 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...

Страница 13: ...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...

Страница 14: ...Product Description MD15 HE MD15 R HE Q Page 14 14 3 09 20 125 01 EN 2019 08 19...

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