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LINCOLN GmbH • Postfach 1263 • D-69183 Walldorf • Tel +49 (6227) 33-0 • Fax +49 (6227) 33-259 • Tx 466088

Page 7 of 16

Owner Manual

1.3A-28001-B97

Subject to change without notice

Features

• available with 24 V DC and 230 V AC;
• the respective valve position is always reached , irrespective of

the voltage fluctuations, temperature and lubricant consistency;

• can easily be integrated into electrical control units due to the

electric motor-operation;

• robust and compact construction;
• insensitive to humidity and dirt;
• insensitive to mechanical influences.

Technical Data

Connection thread:

3/4" BSP

Flow rate:

Qmax = 65 dm³/h

Operating pressure:

pmax = 400 bar

Operating temperature:

-20°C to 80°C

Switching time:

0,5 sec.

Sound level:

< 70 dBA

Supply voltage:

24 V DC or 230 V AC

Power consumption

Pmax = 80 W

Degree of protection:

IP54

Weight:

24 V DC version: 11 kg

230 V AC version: 12.8 kg

fitting position:

optional

item

description

A

main line 1

B

main line 2

P

pressure line

R

relief line

Fig. 5: mounting dimensions of the EM-U2

1 0 3 7 c 9 5

Important:
The change-over valve housing is sluable by 180°

Summary of Contents for 2/2-Way

Page 1: ...dorf Tel 49 6227 33 0 Fax 49 6227 33 259 Tx 466088 Page 1 of 16 Owner Manual 1 3A 28001 B97 Subject to change without notice 1027a95 Electric Motor Operated Change Over Valve EM U2 and Electric Motor Operated 2 2 Way Valve and 3 2 Way Valve ...

Page 2: ...the site where the pump lubrication system is in operation If persons who are charged with work with the pump lubrication system do not have a good command of the English language it is the user s responsibility to take the necessary action to make the Owner Manual particularly the Safety Notes understandable to these persons The Owner Manual must be read and used by all persons who are charged wi...

Page 3: ...not in command of the neces sary expertise they must receive the appropriate training and in structions If necessary this can be done by the manufacturer supplier on behalf of the machine user Furthermore the user must ensure that the contents of the Operating Instructions are fully under stood by the personnel Hazards resulting from failure to observe the safety notes Failure to heed the safety w...

Page 4: ...environment in accordance with the applicable official regulations Before putting the pump pump unit into operation ensure that all points given in the chapter Commissioning are fulfilled Unauthorized Modification and Spare Parts Production Alteration and modifications of the machine are only allowed if approved by the manufacturer Original spare parts and accesso ries authorized by the manufactur...

Page 5: ...lities are represented on following chart Variants Part number model with 24 VDC model with 230 VAC Change over valve 4 2 way valve 618 28387 1 618 28388 1 3 2 way valve Connection B 625 28448 1 625 28450 1 closed 3 2 way valve Connection R 625 28449 1 625 28451 1 closed 2 2 way valve Connection 625 28590 1 625 28591 1 B R closed A B A B P R P R M A A P R P R M Description 2003a95 2004a95 1080a96 ...

Page 6: ...es of application are represented on following figures 1031a95 Fig 2 EM U2 used as a 3 2 way valve for two line lubrication systems with the possibility to relieve both lines simultaneously 1030a95 Fig 1 EM U2 used as a changing over unit for two line lubrication systems Fig 3 EM U2 used as a 3 2 way valve for filling systems 1029a95 1079a96 Fig 4 EM U2 used as a 2 2 way valve for filling systems ...

Page 7: ...robust and compact construction insensitive to humidity and dirt insensitive to mechanical influences Technical Data Connection thread 3 4 BSP Flow rate Qmax 65 dm h Operating pressure pmax 400 bar Operating temperature 20 C to 80 C Switching time 0 5 sec Sound level 70 dBA Supply voltage 24 V DC or 230 V AC Power consumption Pmax 80 W Degree of protection IP54 Weight 24 V DC version 11 kg 230 V A...

Page 8: ... Subject to change without notice Page 8 of 16 LINCOLN GmbH Postfach 1263 D 69183 Walldorf Tel 49 6227 33 0 Fax 49 6227 33 259 Tx 466088 Fig 6 circuit diagram 24 V DC version Fig 7 circuit diagram 230 V AC version 1033b95 1032b95 ...

Page 9: ...s started by the signal of the end of line pressu re switch Fig 8 electric motor operated change over valve principle of operation 1036b95 The rotating motion of the motor 3 is converted by the eccen tric 6 and the connecting link 2 into a stroke of the piston 5 which performs the reversing process Once the piston has reached its opposite position the position switch 4 switches the motor 3 off The...

Page 10: ...the instructions gi ven by the fitting manufacturer NOTE Do not screw fittings with conical thread into the connections of the change over valve housing refer to Fig 8 A Electrical Installation Perform the electrical connection of the change over valve EM U2 according to Fig 6 All electrical work should be underta ken only by qualified personnel Mechanical Installation Operating Instructions Commi...

Page 11: ...n 1 Fig 10 Piston final position 2 Fig 11 adjustment in position 2 at dissassembled change over valve housing 1038a95 1075a95 1075a95 item description 1 connecting link 2 bearing 3 limit switch 4 change over valve Factory Setting The factory settings are shown on following figures In the case of resettings please refer to Item 4 3 remedy to the fault change over valve operates continuously ...

Page 12: ...lve housing refer to Fig 12 item 1 Fault no changing over is released Cause Line interruption between the units of the change over valve End of line pressure switch does not give any signal Remedy Check the electric lines and the fuse of the change over valve Check whether the change over valve operates by actuating it manually Check the adjustment of the change over valve Check the electric lines...

Page 13: ...tion 1 the outer edge of the ball bearing must be centered in the borehole of the connecting link and must be visible in the case of old models without borehole in the con necting link the distance between the upper outer edges of the ball bearing as shown on Fig 9 and the connecting link must be 8 1 mm Piston final position 2 acc to Fig 10 the lower outer edges of the ball bearing and the connect...

Page 14: ...Owner Manual Subject to change without notice Page 14 of 16 LINCOLN GmbH Postfach 1263 D 69183 Walldorf Tel 49 6227 33 0 Fax 49 6227 33 259 Tx 466088 Spare Parts Drawing and Spare Parts List 1028b95 Fig 12 spare parts ...

Page 15: ...ntric 1 418 23996 1 13 retaining ring DIN 471 1 211 12164 1 14 key DIN 6888 1 214 13123 2 15 DC gear motor 1 245 13599 1 16 screw DIN 84 M 5 2 201 12037 5 17 ground wire 1 664 36878 2 18 screw DIN 912 M 6 4 201 13608 3 19 washer DIN 7603 4 209 13065 2 20 cover 1 314 19594 1 21 sealing ring 0 75 m113 35214 2 22 screw DIN 912 M 5 2 201 12016 6 23 washer DIN 125 2 209 13077 3 24 limit switch assembly...

Page 16: ... that the supplied model of Electric Motor Operated Change Over Valve EM U2 and Electric Motor Operated 2 2 Way Valve and 3 2 Way Valve is intended to be incorporated into machinery covered by this directive and must not be put into service until the machinery into which it is to be incorporated has been declared in con formity with the provisions of the directive Applied harmonized standards in p...

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