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Econex MPV Series, Руководство по установке и обслуживанию

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1 of 11 

 

 
 

MODULATING CONTROL VALVE  

SERIES MPV 

 
 

 

INSTRUCTIONS FOR THE 

INSTALLATION AND MAINTENANCE 

 

 
 
 

 
 

 
 

1. M

AIN 

F

EATURES

 

2 

2. TECHNICAL

 

FEATURES 

2 

3. INSTALLATION 

3 

4. ELECTRIC

 

CONNECTIONS 

4 

5. WIRING 

 

5 

 5.1 

 W

ITHOUT MANUAL

/

AUTOMATIC CONTROL STATION

 5 

 5.2 

 W

ITH MANUAL

/

AUTOMATIC CONTROL STATION

 6 

6. AUXILIARY

 

MICROSWITCHES 

7 

7. POTENTIOMETER/S 

7 

8. CONTROL

 

STATION 

7 

9. CALIBRATIONS 

8 

 9.1 

 L

IMIT SWITCH

 

8 

 9.2 

 P

OTENTIOMETER

/

S

 

9 

 9.3 

 E

LECTRONIC CARD

 

10 

 9.4 

 M

AX

.

 CAPACITY ADJUSTMENT

 

11 

10. START-UP 

11 

11. MAINTENANCE

 

AND

 

CHECKS 

11 

12. REPLACEMENT 

11

 

Содержание MPV Series

Страница 1: ...IC CONNECTIONS 4 5 WIRING 5 5 1 WITHOUT MANUAL AUTOMATIC CONTROL STATION 5 5 2 WITH MANUAL AUTOMATIC CONTROL STATION 6 6 AUXILIARY MICROSWITCHES 7 7 POTENTIOMETER S 7 8 CONTROL STATION 7 9 CALIBRATION...

Страница 2: ...g conditions interchangeable without removing he valve from the plant WARNING Installation wiring adjustment and maintenance of gear motors must be carried out exclusively by skilled and authorized se...

Страница 3: ...ions 3 5 Remove the protection plugs installed on the valve body 3 6 The sealant must be applied only on the piping outer threading and not on the valve inner threading Use gas suitable sealants only...

Страница 4: ...es must comply with local prescriptions and in any case their section must be ranging between 1 and 1 5 mm2 Connection piping recommended H07V U G1 5 mm2 4 6 Wiring diagrams are reported in the attach...

Страница 5: ...ATION TERMINAL BOARD Terminal earthing Terminal N1 N neutral Terminal L2 by tension the valve closes Terminal 3 by tension the valve opens Terminal 4 for manual electric operation Terminal 16 answer s...

Страница 6: ...0 common contact from the auxiliary microswitch S3 Terminal 21 normally open contact of the auxiliary microswitch S3 Terminal 22 normally closed contact of the auxiliary microswitch S3 Terminal 23 com...

Страница 7: ...e does not correspond to the wished one proceed as indicated in paragraph 9 2 of chapter 9 CALIBRATIONS Absorbed power is 2 W for each potentiometer 8 CONTROL STATION 8 1 The control station enables t...

Страница 8: ...rst the lever on its curved side to move the blue cam to a more suitable position to perform adjustment picture 1 Picture 1 9 1 6 To calibrate refer to the mechanical position indicator disc the valve...

Страница 9: ...een terminals n 34 and 35 when the valve is closed picture 2 Picture 2 9 2 4 By rotating the potentiometer clockwise 3 the resistance value increases counter dock wise 4 the resistance value decreases...

Страница 10: ...echanically 9 3 7 Select the AUTO position 9 3 8 Set the adjustment device on 6 mA or on 2 Vdc and wait up the servocontrol moves then take it back to 4 mA or on 0 Vdc and check it reaches 0 degrees 9...

Страница 11: ...cock can be opened and the operating test can be carried out 11 MAINTENANCE AND CHECKS 11 1 The MPV valve does not require any special maintenance Both the valve body and the actuator do not need any...

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