Jesco MIDIDOS E Operation & Maintenance Instructions Manual Download Page 5

5

1.3 Qualification and training of personnel

The personnel employed for installation, operation, inspection and maintenance work 
must be qualified to do so.  The areas of responsibility, competence and supervision of 
the personnel must be precisely defined by the owner.  Personnel who do not have the 
required knowledge must be duly rained and instructed.  If necessary, this training can 
also be provided by the manufacturer/supplier on behalf of the dosing pump’s owner.  In 
addition, the owner of the system must ensure that the relevant personnel are fully fami-
liar with and have understood the contents of this Operation & Maintenance Manual.

1.4 Important safety instructions

When  installing  and  using  this  electrical  equipment,  basic  safety  precautions  should 
always be followed, including the following:

READ AND FOLLOW ALL INSTRUCTIONS!

WARNING!

To reduce risk of injury, do not permit children to use this product unless they are closely 
supervised at all times.

WARNING!

Risk  of  electric  shock.    Connect  only  to  a  grounding  type  receptacle  protected  by  a 
ground-fault circuit-interrupter (GFCI). Contact a qualified electrician if you cannot verify 
that the receptacle is protected by a GFCI.
Do not bury the cord.  Locate the cord to minimize abuse from lawn mowers, hedge 
trimmers, and other equipment.

WARNING!

To reduce the risk of electric shock, replace damaged cord immediately.

WARNING!

To reduce the risk of electric shock, do not use an extension cord to connect the unit to 
the electricity supply; provide a properly located outlet.

SAVE THESE INSTRUCTIONS!

1.5 Hazards due to non-compliance with safety instructions

Failure to comply with safety instructions may endanger not only people, but also the 

environment and the dosing pump/system.  Non-compliance with the safety instruc-
tions can lead to the loss of all entitlement to damages.

WARNING!

WARNING!

WARNING!

WARNING!

Summary of Contents for MIDIDOS E

Page 1: ...MIDIDOS E Operation Maintenance Instructions Read these operation and maintenance instructions before start up To be held for future reference Dosing Conveying Control Liquids Gases Systems...

Page 2: ......

Page 3: ...Scope of delivery 8 2 General 9 3 Function 9 4 Technical data 10 5 Mechanical handling capacity performance curves 10 6 Measurement drawing 12 7 Installation 13 7 1 General information 13 7 2 Install...

Page 4: ...formation which may endanger people the environment and the dosing pump system if disregarded These statements are identified by the following symbols DANGER Refers to an imminent danger Non complianc...

Page 5: ...ns WARNING To reduce risk of injury do not permit children to use this product unless they are closely supervised at all times WARNING Risk of electric shock Connect only to a grounding type receptacl...

Page 6: ...duly qualified personnel who have also studied this Operation Maintenance Manual The dosing pump must always come to a complete stop before starting any work on the pump The procedure specified in th...

Page 7: ...osing with aggressive media The dosing pump s dosing head as well as connections and lines of the system may be under pressure Work carried out on the dosing system requires special safety precautions...

Page 8: ...its position Thus causing irregular flow rates CAUTION The base area of the dosing pump must be kept clear to allow sufficient air circula tion to cool the motor down If there is a danger of fluid col...

Page 9: ...tage is likewise possible with the use of an operating capacitor To adapt the dosing performance the stroke length can be set manually between 0 100 3 Function The gearbox is based on a single level w...

Page 10: ...dium temperature C 50 wth PVC max 35 Motor specifications 3 Phase 400V 50Hz 440V 60Hz 0 05kW 0 5A Motor specifications 1 Phase 230V 50Hz 0 05kW 0 85A Weight of plastic model kg 7 7 7 8 5 Mechanical ha...

Page 11: ...l h 0 1 2 3 4 5 6 7 8 9 10 Hubeinstellung MIDIDOS E72 0 10 20 30 40 50 60 70 80 90 0 1 2 3 4 5 6 7 8 9 10 Hubeinstellung l h MIDIDOS E48 0 10 20 30 40 50 60 0 1 2 3 4 5 6 7 8 9 10 Hubeinstellung l h...

Page 12: ...12 6 Measurement drawing 31 136 q 305 359 153 252 187 297 258 284 130 145 35 211 100 q 9 O 47 175 Dimensions for MIDIDIS E 120 in parenthesis...

Page 13: ...and to ensure the functional reliability we recommend the use of additional accessories These include amongst others backpressure valves relief valves leakage probes and low level indicators as shown...

Page 14: ...dosing pump s transmission The drainage pipe must be directed only to a gas free collection tank in a decline or it has to be lead on a decline to a collection funnel over which it then has to end wit...

Page 15: ...only recommended in the case of media with a tendency to crystallize Thus entrapped air is able to leave In the case of media with a tendency to contaminate the injector it is advisable to use an inj...

Page 16: ...upply with motor in the stonecutter circuit special connector variant Other electrical connectors are to be taken from the separately shown circuit dia grams W2 U2 V2 U1 V1 W1 L1 L2 L3 PE W2 U2 V2 U1...

Page 17: ...tting CAUTION The pump s stroke length is to be moved only when the motor is running Set the stroke length as follows 1 Loosen the mounted screw of the setting knob anti clockwise around to the left 2...

Page 18: ...a neutral medium that does not disturb the process In many cases water is suitable WARNING Chemicals can spray out This may lead to caustic or other burns Ensure that the line is not under pressure b...

Page 19: ...ong service life Nevertheless some parts are subject to wear and tear caused by its running e g diaphragm valve seats valve balls To ensure a long operating life visual inspection is recommended regul...

Page 20: ...hragm 1 Remove the dosing head 1 with a sui table tool Allen key SW 10 or SW13 for E120 picture 1 2 The dosing pump is set whilst the motor is running at zero capacity whereby the diaphragm 2 is secur...

Page 21: ...l the dosing head 1 Tighten the screws crossways e g upper left lower right upper right lower left A tightening torque of 2 Nm is required for the do sing head screws on the MIDIDOS E24 E72 and 6 Nm f...

Page 22: ...suitable medium NOTICE Unclean valves will reduce the dosing accuracy NOTICE These valves are supplied without valve stops The internal pieces could fall apart when unscrewed Double ball valve DN6 MI...

Page 23: ...d valves DN6 MIDIDOS E24 E72 Pressure valve suction valve a b c d e f g d e f c b g h h a Legend 1 0 ring 2 valve casing 3 0 ring 4 ball guide 5 valve ball 6 valve seat 7 0 ring 8 spring not included...

Page 24: ...DN 10 MIDIDOS E120 Pressure valve suction valve a b c d e f h d e f g g d e f b c d e f a b h b Legend 1 0 ring 2 0 ring 3 valve casing 4 ball guide 5 valve ball 6 valve seat 7 0 ring 8 spring not inc...

Page 25: ...es DN 10 MIDIDOS E120 Pressure valve Suction valve a b c d e f h g g d i c e f a i h b Legend 1 0 ring 2 0 ring 3 valve casing 4 ball guide 5 valve ball 6 valve seat 7 0 ring 8 O ring 9 spring not inc...

Page 26: ...st MIDIDOS E 24 72 MIDIDOS E 24 72 h Diaphragm 81465 i Support plate 28977 g Dosing head including screws Material Order no PVC 23909 PP 34661 PVDF 33330 Stainless steel 1 4571 23911 d d b a c d d d d...

Page 27: ...9 35200 PP Glas CSM 34670 34671 PVDF PTFE FPM 33337 33338 Stainless steel FPM 19176 19177 Spare parts for MIDIDOS E 24 72 with spring loaded valves Consisting of a balls b spring c valve seats d O rin...

Page 28: ...e parts list MIDIDOS E 120 MIDIDOS E 120 h Diaphragm 81466 g Dosing head inclusive of screws Material Order no PVC 38306 PP grey 38178 Stainless steel 1 4571 32890 PVDF 32892 d d b a c d d d d a c d a...

Page 29: ...26842 27357 PP Glas CSM 26841 27356 Stainless steel FPM 27652 27655 PVDF PTFE FPM 34078 34079 Spare parts for MIDIDOS E 120 with spring loaded valves Consisting of a balls b spring c valve seats d O...

Page 30: ...upply flow tension Turn on line voltage Numerous ruptures in the diaphragm missing support plate See chapter 11 maintenance Install a new diaphragm with sup porting plate When changing the diaphragm c...

Page 31: ...rong connection Check electrical connection condensator defective wrong size or wrongly connected Eventual condensator correctly clamped on or replaced Pressure too high Check process If the problem c...

Page 32: ...os MR Memdos GMR Relevant EC regulations EC Low voltage Directive 73 23 EEC EC Machine Directive 98 37 EC Applied harmonized EN 292 1 and EN 292 2 Machine safety standards especially EN 809 Pumps and...

Page 33: ...______________________________ Medium used _____________________________________ Properties irritant yes no corrosive yes no We hereby certify that the machine has been thoroughly cleaned inside and o...

Page 34: ...hanical fault 2 Electrical fault premature wear loose connections such as plug connector or cable wear parts operating elements e g switches buttons breakage other damage electronics corrosion damage...

Page 35: ...35...

Page 36: ...mail jescoamerica com Internet www jescoamerica com East Asia Lutz Jesco East Asia Sdn Bhd Taman Perindustrian Jaya 47200 Petaling Jaya Malaysia Telefon 603 78454812 Fax 603 78458413 E Mail info lutz...

Reviews: