UGSI Chemical Feed Encore MB Manual

Operations & Maintenance
Manual
Encore®MB & ME
Diaphragm Dosing Pump
MANUAL NO. CF.450.410.001.IM.1114

WARRANTY
(a.) Limited Product Warranty Statements. For each Product purchased from Seller or an authorized reseller, Seller makes the following limited
warranties: (i) the Product is free from defects in material and workmanship, (ii) the Product materially conforms to Seller’s specifications that are
attached to, or expressly incorporated by reference into, these terms, and (iii) at the time of delivery, Seller has title to the Product free and clear of
liens and encumbrances (collectively, the “Limited Warranties”). Warranties with respect to software which may be furnished by Seller as part of the
Product, if any, are expressly set forth elsewhere in these terms. The Limited Warranties set forth herein do not apply to any software furnished by
Seller.
(b.) Conditions to the Limited Warranties. The Limited Warranties are conditioned on (i) the Product being stored, installed, operated and
maintained in accordance with Seller’s instructions, (ii) no repairs, modifications or alterations being made to the Product other than by Seller or its
authorized representatives, (iii) the Product being used in compliance with any conditions or parameters set forth in specifications that are attached
to, or expressly incorporated by reference into, these terms, (iv) use of the Product being discontinued after the Buyer or user has, or should have had,
knowledge of any defect in the Product, (v) Buyer providing prompt written notice of any warranty claims within the warranty period described
below, (vi) at Seller’s discretion, Buyer either removing and shipping the Product or non-conforming part thereof to Seller, at Buyer’s expense, or
Buyer granting Seller access to the Products at all reasonable times and locations to assess the warranty claims, and (vii) Buyer not being in default of
any payment obligation to Seller.
(c.) Exclusions from Limited Warranty Coverage. The Limited Warranties specifically exclude any equipment comprising part of the Product that
is not manufactured by Seller or not bearing its nameplate. To the extent permitted, Seller hereby assigns any warranties made to Seller for such
equipment. Seller shall have no liability to Buyer under any legal theory for such equipment or any related assignment of warranties. Additionally,
any Product that is described as being experimental, developmental, prototype, or pilot is specifically excluded from the Limited Warranties and is
provided to Buyer “as is” with no warranties of any kind. Also excluded from the Limited Warranties are normal wear and tear items,including any
expendable items that comprise part of the Product, such as fuses, light bulbs and lamps.
(d.) Limited Warranty Period. Buyer shall have 12 months from initial operation of the Product or 18 months from shipment, whichever occurs
first, to provide Seller with prompt, written notice of any claims of breach of the Limited Warranties. Continued use or possession of the Product
after expiration of the warranty period shall be conclusive evidence that the Limited Warranties have been fulfilled to the full satisfaction of Buyer
and user, unless Buyer has previously provided Seller with notice of a breach of the Limited Warranties.
(e.) Remedies for Breach of Limited Warranty. Buyer’s sole and exclusive remedies for any breach of the Limited Warranties are limited to
Seller’s choice of repair or replacement of the Product, or non-conforming parts thereof, or refund of all or part of the purchase price for the subject
Product or part. The warranty on repaired or replaced Product or parts is limited to the remainder of the original warranty period. Buyer shall be
responsible for any labor required to gain access to the Product so that Seller can assess the available remedies,and Buyer shall be responsible for all
costs of installation of repaired or replaced Products or parts. All Products or parts replaced under this Limited Warranty will become the property of
Seller.
(f.) Transferability. The Limited Warranties shall be transferable during the warranty period to the initial end-user of the Product.
THE LIMITED WARRANTIES SET FORTH IN THIS SECTION ARE SELLER’S SOLE AND EXCLUSIVE WARRANTIES AND ARE
SUBJECT TO THE LIMITS OF LIABILITY SET FORTH BELOW. SELLER MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING, WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR ANY
WARRANTIES THAT MIGHT ARISE FROM COURSE OF DEALING OR USAGE OF TRADE.
LIMITATION OF LIABILITY. NEITHER SELLER, NOR ITS SUPPLIERS, SHALL BE LIABLE, WHETHER IN CONTRACT,
WARRANTY, FAILURE OF A REMEDY TO ACHIEVE ITS INTENDED OR ESSENTIAL PURPOSES, TORT (INCLUDING NEGLIGENCE),
STRICT LIABILITY, INDEMNITY OR ANY OTHER LEGAL THEORY, FOR LOSS OF USE, REVENUE, SAVINGS OR PROFIT, OR FOR
COSTS OF CAPITAL OR OF SUBSTITUTE USE OR PERFORMANCE, OR FOR INDIRECT, SPECIAL, LIQUIDATED, PUNITIVE,
EXEMPLARY, COLLATERAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, OR FOR ANY OTHER LOSS OR COST OF A SIMILAR
TYPE, OR FOR CLAIMS BY BUYER FOR DAMAGES OF BUYER’S CUSTOMERS. SELLER’S MAXIMUM LIABILITY UNDER ANY
LEGAL THEORY SHALL BE THE ACTUAL PURCHASE PRICE RECEIVED BY SELLER FOR THE PRODUCT AT ISSUE OR ONE
MILLION DOLLARS, WHICHEVER IS LESS. BUYER AGREES THAT THE EXCLUSIONS AND LIMITATIONS SET FORTH IN THIS
ARTICLE ARE SEPARATE AND INDEPENDENT FROM ANY REMEDIES WHICH BUYER MAY HAVE HEREUNDER AND SHALL BE
GIVEN FULL FORCE AND EFFECT WHETHER OR NOT ANY OR ALL SUCH REMEDIES SHALL BE DEEMED TO HAVE FAILED OF
THEIR ESSENTIAL PURPOSE.THESE LIMITATIONS OF LIABILITY ARE EFFECTIVE EVEN IF BUYER HAS ADVISED SELLER OF
THE POSSIBILITY OF SUCH DAMAGES.
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

List of Contents
1. General and Safety Instructions..................................................................5
1.1 General................................................................................................5
1.2 Identification of safety instructions in this operation manual..................... 5
1.3 Personnel qualifications and training......................................................5
1.4 Important safety instructions .................................................................5
1.5 Hazards due to failure to follow safety instructions..................................6
1.6 Safety-conscious working .....................................................................6
1.7 Safety instructions for the operating company/operator........................... 6
1.8 Safety instructions for inspection, maintenance and installation work ....... 6
1.9 Unauthorized modification and production of spare parts......................... 7
1.10 Inadmissible operating practices.......................................................... 7
1.11 Dosing of chemicals ...........................................................................7
1.12 Transportation ....................................................................................8
1.13 Scope of delivery ................................................................................ 8
2. General .........................................................................................................9
2.1 Proper use ...........................................................................................9
2.2 Structure of the dosing pump ................................................................9
3. Function .....................................................................................................10
4. Dimensional drawings...............................................................................11
5. Technical data............................................................................................13
5.1 Electric motor data .............................................................................15
5.2 Technical data ATE servomotor Encore®ME (optional) ...........................16
6. Performance curves ..................................................................................17
7. Installation .................................................................................................19
7.1 General information ............................................................................ 19
7.2 Installation location ............................................................................. 20
7.3 Drain pipe ..........................................................................................20
7.4 Electrical connection of the pump ........................................................ 20
7.5 Wiring diagrams for ATE servo motor for stroke length adjustment.........23
7.6 Level control.......................................................................................24
7.7 Back-pressure and safety valves..........................................................24
7.8 Injection nozzle installation .................................................................. 24
7.9 Installation example ............................................................................ 25
8. Operation....................................................................................................26
8.1. Stroke length adjustment ...................................................................26
8.2 Encore®MB operating elements.......................................................... 26
8.3 Switching on/off .................................................................................26
8.4 Operating mode selection....................................................................26
8.5 Alarm................................................................................................. 27
8.6 Other settings.....................................................................................28
8.7 Factory setting ...................................................................................28
8.8 Connections and cable assignments .................................................... 28
9. Start-up......................................................................................................30
9.1 Start-up of Encore®ME with ATE servomotor........................................ 30
10. Shutdown .................................................................................................31
10.1 Disposal of old equipment.................................................................31
Device revision ..............................................................................................31
11. Maintenance ............................................................................................32
11.1 Lubrication....................................................................................... 32
11.2 Maintenance of the bearings ............................................................ 32
11.3 Maintenance of the ATE servomotor (optional) ....................................32
11.4 Diaphragm replacement.................................................................... 32
11.5 Valves.............................................................................................. 34
12. Explosion-proof dosing pumps (ATEX) ...................................................38
12.1 General............................................................................................38
12.2 Special conditions.............................................................................38
12.3 Dosing of flammable media...............................................................38
13. Troubleshooting .......................................................................................39
14. Spare parts...............................................................................................40
15. Declaration of harmlessnes ....................................................................45
16. Warranty claim.........................................................................................46
17. CE Declaration of conformity ..................................................................47
18. Index.........................................................................................................49
19. Notes .......................................................................................................50
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

1. General and Safety Instructions
1.1 General
This operation manual contains basic instructions to be followed during installation, operation and maintenance. It is therefore essential for the assembler and the
responsible personnel/operator to read this operation manual before installation and start-up, and it must remain available at the place of installation at all times.
Besides the general safety instructions in this "Safety" section, the special safety instructions inserted in the other sections are also to be followed.
1.2 Identification of safety instructions in this operation manual
Disregarding the safety instructions in this operation manual may cause danger to persons, the environment and the system. Safety instructions are identified by
the following symbols:
DANGER!
Indicates an immediate danger.
Failure to follow this instruction will lead to death or extremely serious injuries.
WARNING!
Indicates a potentially hazardous situation. Failure to follow this instruction can lead to death or extremely serious injuries.
CAUTION!
Indicates a potentially hazardous situation. Failure to follow this instruction can lead to minor injuries or damage to property.
ATTENTION! or NOTICE!
Failure to follow these safety instructions may endanger the machine and its functions.
IMPORTANT!
This indicates additional information that makes work easier and ensures trouble-free operation.
Information attached directly to the dosing pump, such as
• cable markings
• markings for fluid connections
must be followed without fail and must remain fully legible at all times.
1.3 Personnel qualifications and training
The personnel employed for operation, maintenance, inspection, and installation must be suitably qualified for this work. The responsibilities, areas of compe-
tence and personnel supervision must be clearly defined by the operating company. Personnel who do not have the required know-how must be duly trained and
instructed. If necessary, this can also be done by the manufacturer/supplier on behalf of the operating company. In addition, the operating company must ensure
that the personnel are fully familiar with, and have understood the contents of this operation manual.
1.4 Important safety instructions
When installing and using this electrical device, basic safety precautions should always be followed, including the following:
ATTENTION!
Read and follow all instructions! Keep this operation manual for future reference!
WARNING!
To reduce the risk of injury, do not permit children to use this product unless they are closely supervised at all times.
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

WARNING!
Risk of electric shock. Connect the device only to a SCHUKO socket outlet protected by a ground fault circuit interrupter (GFCI). Contact a qualified electrician if
you are uncertain whether the socket is protected by a GFCI.
Do not bury the cable. Fix the cable to minimize possible damage due to lawn mowers, hedge trimmers, and other equipment.
WARNING!
To reduce the risk of electric shock, replace the cable immediately if damaged.
WARNING!
To reduce the risk of electric shock, do not use an extension cable to connect the device to the power supply; use an appropriately located outlet socket.
1.5 Hazards due to failure to follow safety instructions
Failure to follow the safety instructions may endanger not only persons, but also the environment and the device. Failure to follow the safety instructions may
invalidate any damage claims.
The following hazards in particular may result:
• failure of major equipment functions
• failure of required maintenance and repair methods
• danger to persons due to electrical, mechanical and chemical effects
• danger to the environment due to leakage of hazardous substances
1.6 Safety-conscious working
The safety instructions contained in this operation manual must be observed. The operating company is responsible for ensuring compliance with local safety
regulations. Faults that may affect safety must be repaired immediately!
1.7 Safety instructions for the operating company/operator
Leakages of dangerous substances (e.g. aggressive, toxic), for example due to a broken diaphragm, must be suitably drained away so that they do not cause
danger to persons or the environment. Statutory regulations must be observed.
Dangers due to electric current must be prevented (for further details, refer to the VDE1) regulations and regulations of the local power supply companies).
1) German Association for Electrical, Electronic & Information Technologies
Separate regulations must be observed if the Encore®ME is operated in areas with a potentially explosive atmosphere. The operating company must determine
the explosion hazard (area classification) and select the appropriate equipment. Further information can be found in paragraph 7.1 (Installation), paragraph 7.4
(Electrical connection) and section 12, page 38 (Explosion-proof dosing pumps).
1.8 Safety instructions for inspection, maintenance and installation work
The operating company must ensure that all maintenance, inspection and installation work is undertaken by authorized and duly qualified personnel, who have
studied this operation manual.
Any work on the machine must only be carried out after it has been brought to a complete stop. Always follow the procedure specified in the operation manual for
shutting down the dosing pump/system.
Dosing pumps or systems which convey hazardous media must be decontaminated.
All safety and protective equipment must be re-attached and activated immediately after the work has been completed.
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

CAUTION!
Particular care must be taken when repairing the Encore®ME if used in areas with a potentially explosive atmosphere. Due to the risk of sparking, care must be
taken to prevent metal parts or tools knocking against one another. When repairing, it is better to move the dosing pump out of the area with a potentially explosive
atmosphere.
The instructions given in paragraph 7.2 "Installation location" and section 9 "Start-up" must be observed before start-up.
1.9 Unauthorized modification and production of spare parts
The device may only be modified or converted in consultation with the manufacturer. Use only the manufacturer's spare parts and accessories. Otherwise the
warranty is invalidated.
1.10 Inadmissible operating practices
Any methods of operation other than those described in section 2 "Proper use" are not permitted, and will cancel any manufacturer liability under the warranty.
1.11 Dosing of chemicals
CAUTION!
When working on dosing systems, the local accident prevention regulations must be observed and the specified personal protective equipment must be worn. The
following standard protective clothing is recommended, depending on the hazardousness of the metered medium:
Protective clothing Protective gloves Protective goggles
All persons responsible for assembly and maintenance of piping, hoses and accessories should wear this protective equipment.
Before working on the dosing pump and system, disconnect it from the mains supply and prevent it from being switched on.
CAUTION!
Any chemical still present in the dosing head may spray out when the power supply is reconnected. This may lead to chemical or other burns to the face and
hands. Dosing lines must always be connected before switching on again.
The chemical resistance of the construction materials in the pump must be verified before dosing aggressive media!
The pump dosing head and the system connections and lines may be under pressure. Working on the dosing system requires special safety precautions and is
allowed only for suitably trained personnel:
CAUTION!
Chemical may spray out. This may lead to chemical or other burns. Always release the pressure before starting work on the dosing pump.
Before working on the dosing head, valves and connections, flush the dosing pump with a harmless medium (water in most cases), to avoid unintentional contact
with the metered medium.
WARNING!
Never look into the open end of a clogged line or valve. Chemical may flow out unexpectedly and cause chemical or other burns to face and hands.
Before start-up, all screw connections must be inspected for correct tightness and leak-tightness, and must be re-tightened using an appropriate tool if necessary.
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

CAUTION!
If connections at the dosing head are loosened during operation, for venting or other reasons, leaking chemical must be removed properly. This is the only way to
avoid health hazards due to chemicals, and chemical corrosion of the dosing pump. Leaking chemical may also damage the diaphragm at its mounting edge.
ATTENTION!
If changing the chemical, check the materials in the pump and other system parts for chemical resistance. If there is a danger of chemical reaction between the
different media, clean thoroughly beforehand.
IMPORTANT!
To operate the pump, mount the fan cowl in order to ensure sufficient cooling of the motor.
The protection class of the control unit is only ensured if the connection ports are protected by caps or the standard connectors are inserted.
DANGER!
Fire hazard. Shock wave: parts may fly off and cause fatal injury. Encore®MB must never be used in areas with a potentially explosive atmosphere.
CAUTION!
Under certain operating conditions, the drive motor of the Encore®MB version might heat up considerably. This may cause burns to the hands. To avoid uninten-
tional contact, provide an appropriate safety device.
WARNING!
Lethal voltage!
Adjustment work inside the ATE servomotor (optional for Encore®ME) must be carried out carefully. Connections and internal limit switches might be live.
Additional limit switches might be live even when the auxiliary voltage is switched off (ATE servomotor). After installation work on the ATE servomotor, or before
start-up, re-attach the cover.
1.12 Transportation
No special devices are required for transportation of the dosing pumps. However, it is advisable to choose a transport method appropriate for the weight of the
dosing pumps (e.g. transport trolley). If transporting with the oil drained, the dosing pump should preferably be placed in the horizontal position. Otherwise, stabil-
ity must be ensured by screwing it onto the transport frame.
1.13 Scope of delivery
IMPORTANT!
Carefully unpack the dosing pump and any accompanying accessories ordered, so that small parts are not left inside the packaging. Compare the delivery
content with the delivery note immediately. If there are any discrepancies, find out the cause.
The following are part of the scope of delivery:
• Encore®dosing pump
• Suction and discharge side connections
• Gear oil
• 2x cables (for Encore®MB)
• Operation manual
• ATE servomotor (optional)
• Separate fan (optional)
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

2. General
2.1 Proper use
The device is intended for the following purpose only: the conveying and dosing of chemicals.
Operating safety is guaranteed only if the device is used for its intended purpose. Use for any other purpose is not permitted and will cancel any liability under the warranty. The
operating conditions described in section 5 "Technical Data" must be observed!
2.2 Structure of the dosing pump
c
a
h
b
di o p q
g
k
n
m
l
f
e
j
aDosing head
bSuction side valve
cDischarge side valve
dDrain pipe
eStroke length adjustment
fStroke length adjustment lock
gMotor terminal box (Encore®ME power supply)
hOil inlet
iOil outlet
jControl unit (Encore®MB)
kOperating panel with display
l"External switch-off" contact
m"Level input" contact
n"External control" contact
oPower supply (Encore®MB)
pMotor connection
qWarning alarm relay
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

3. Function
Motor-driven diaphragm dosing pumps of the Encore®series are used in industry in the process engineering sector, and in water treatment and wastewater processing.
The Encore®ME and Encore®MB are available in two overall sizes:
• Size 1: max 160 l/h delivery capacity
• Size 2: max 380 l/h delivery capacity
Encore®ME
The Encore®ME is used where no control is required for constant dosing. In this case, the power supply is connected directly to the motor terminal box. To adapt the dosing capacity,
either the stroke length can be adjusted manually from 0 to 100%, or the motor speed can be controlled by means of a separate frequency converter. The Encore®ME is optionally
available with electric remote adjustment of the stroke length (ATE).
The Encore®ME can be operated in Zone 1 hazardous areas if the corresponding drive is taken into consideration. Further information can be found in section 12.
Encore®MB
The "smart" Encore®MB is used where the dosing pump is to be integrated in controls or control circuits. The Encore®MB allows adaptation to a large variety of different control
signals and system monitoring equipment. The signals required for external activation of the dosing pump can be from simple potential-free closing contacts of water meters or con-
trollers, or analogue 0/4...20 mA signals. For contact actuation (pulse control), the stroke frequency can be adapted by division or multiplication. For internal operation (own stroke),
the dosing pump can be adjusted continuously between 0 and max. 142 strokes/min, depending on version.
Principle of operation
aDiaphragm
bDiaphragm rod
cReturn spring for suction stroke
dTappet plate
eDrive eccentric
fStroke limit eccentric
Like the roller bearings, the worm gear set of the single-speed gear runs in an oil bath. Dosing takes place when movement
of the drive eccentric ecauses movement of the diaphragm rod b. The suction stroke is produced by the return move-
ment due to spring force. Stroke length is adjusted by limiting the tappet return movement using a manually adjustable
eccentric disc as the end stop (stroke limiting eccentric f). The adjustment range is from 0 to 100%.
a b c d
e
f
min.
max.
max.
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

4. Dimensional drawings
Dimensional drawing Encore®MB/ME 4..0.156
MB/ME A B C Connection L
4...26 4.65 3.74 8.74
1/4” x 3/8” tubing
1/4” FNPT
0.51
50 6.02 4.09 9.21 0.51
75, 76 6.02 4.09 9.21 0.66
110...156 9.68 4.60 10.19 0.86
All dimensions in inches.
Dimensional drawing Encore®ME 4..0.156 ATE
(ATEX Motor: 473.5)
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

Dimensional drawing Encore®MB/ME 160...380
Type A B C D L* D with ATEX motor
ME 160..0.260 10.94 5.82 12.48 18.46 approx. 0.86 24.88
MB 160..0.260 10.94 5.82 12.48 18.46 approx. 0.86
ME 300...380 12.51 6.04 12.59 18.46 approx. 0.86 24.88
MB 300...380 12.51 6.04 12.59 18.46 approx. 0.86
* Dimension L for glue-in connection, internal ø 0.78, all dimensions in inches.
Dimensional drawing Encore®ME 160...380 ATE
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

5. Technical data
Encore®ME/MB 4..0.156 Size 4 8 15 261) 50 761) 5) 110 1561)
Capacity at max. pressure 4) gph 1.2 2.3 4.7 6 15.2 19 33.8 42.2
Stroke volume ml/stroke 2.6 8.5 19
Max. pressure psig 150 75 60
Stroke frequency4) SPM 32 58 114 140 114 140 114 140
Diaphragm ø in. 2.04 2.51 3.54
Stroke length in. 0.2 0.35
Suction lift ft H20 13 11 10
Max. inlet pressure psi 7.35
Max. ambient temperature 3) °F PVC & Polypro: 104°; PVDF: 120°; 316S: 140°
Power output ME (3~) W 50 250
Power output MB (1~) W 50 120
Weight
Plastic
ME lbs. 16.31 16.75 22.48
MB lbs. 17.63 20.28 26.45
Weight
Stainless steel
ME lbs. 17.85 20.94 39.68
MB lbs. 19.18 24.47 44.09
Encore®ME/MB 160...380 Size 160 200 300
Capacity at max. pressure 4) gph 49 66 92
Stroke volume ml/stroke 36.5 51.2
Max. pressure psig 150 125
Stroke frequency4) SPM 85 114 114
Diaphragm ø in. 4.72 5.90
Stroke length in. 0.39
Suction lift ft H20 8 6
Max. inlet pressure psi 7.25
Max. ambient temperature 3) °F 104
Power output ME (3~) W 370
Power output MB (1~) W 250
Weight
Plastic
ME lbs. 37.47 41.88
MB lbs. 52.91 57.32
Weight
Stainless steel
ME lbs. 57.32 70.54
MB lbs 72.75 85.98
1) Special sizes for 60 Hz operation. Delivery capacity and stroke frequency data refer to 60 Hz operation.
2) Not suitable for 60 Hz operation.
3) Max. media temperature 104 °F for PVC dosing head, and 140 °F for PP and stainless steel dosing heads
(176 °F for short periods).
Min. media temperature at 32 °F.
4) For 60 Hz operation, values are increased by a factor of 1.2.
5) The pipe size should be no smaller than DN 10, please refer to section 7.1.
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

Control unit (Encore®MB) Standard version CSA version
Power supply 230V/50 Hz 120V 60 Hz
Connection 5.9 ft. cable,
3-wire, 0.001 in2
Safety plug
5.9 ft. cable,
3-wire, 0.001 in2
UL/CSA plug
Power consumption (without motor) 10 W
ISO class F
Protection class IP 55*
Max. admissible ambient temperature 104 oF
Digital display 3-digit display for stroke frequency and level status
LEDs for functional display in operation (green)
fault (red)
external control (green)
Plastic film keypad 4 keys for programming and operation
Weight 1.7 lbs.
Inputs
External switch-off External pump switch-off with potential-free contact (normally closed, N.C.)
provided by operating company
0.13 in. jack socket (M12x1 plug optional)
Level input Connection of accessories (e.g. suction line with level switch)
5 V DC voltage, pre-alarm and main-alarm
Connection Contact: normally closed, N.C.
0.13 in. jack socket (M12x1 plug optional)
External control Pulse input or analogue input
RCA socket
(M12x1 plug optional)
3-pin socket
Pulse input potential-free contact (normally closed, N.C.) provided by operating company
5 V DC voltage
Pulse length min. 30 ms
Multiplication/division of pulses 1 / 2 / 4 / 8 / 16 / 32 / 64
Analogue input 0/4...20 mA signal **
Working resistance: 150 Ohm
Outputs
Warning alarm relay Voltage-free changeover contact,
max. 250 V AC, 2.5 A or max. 30 V DC, 2.5 A,
Cable connection
*If connection ports are protected by caps, or standard connectors are inserted.
**1 If several dosing pumps are connected in series with 4... 20 mA control, an additional device (splitter) is necessary.
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

5.1 Electric motor data
Encore®MB 4...50 75...156 160...380
Standard motor, type AF 63/4B-7R EB20RW71G4 EB20RW71K4
Speed SPM 242 248 294 266 300
Voltage V 1~ 230 120 230 120
Nominal current A 0.7 1.15 2.2 3.3 5.1
Power output kW 0.05 0.12 0.25 0.25
Frequency Hz 50 60 50 60
Protection class IP 55
ISO class F
Overheating protection integrated temperature switch
Encore®ME 4...50 75...156 160...380
Standard motor, type AF 63/4B-7R AF 63/4C-7R K21R7164 KR21R80K4TPM
Speed SPM 250 255 250
Voltage V 3~ 230/400
Nominal current A 0.86/0.5 1.5/0.9 1.75/1.0 2.8/1.6
Power output kW 0.05 0.25 0.37 0.55
Frequency Hz 50
Protection class IP 55
ISO class F
PTC thermistor optional
Explosion-proof motors for Encore®ME
Encore®ME 4...156 160...380 4...156 160...380
Type KPER63K4 KPER71G4 F63CTV/a4 F71CTV/b4
Explosion protection increased safety EExeIIT3 EXdellCT4 pressure-resistant enclosure
Speed rpm 244 251 246
Voltage V 1~ 230/400
Nominal current A 0.83/0.48 1.87/1.08 1.0/0.6 2/1,15
Power output kW 0.12 0.25 0.18 0.37
Frequency Hz 50
Protection class IP 55
ISO class F
PTC thermistor optional
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
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5.2 Technical data ATE servomotor Encore®ME (optional)
Reversible servomotor with self-locking step-down gear. Connections via cable glands. Angle of rotation limited by two internal limit switches.
Servomotor --NK 1510 NK 1510-PMR-NK
Part No. 79466 79468 79467 79469
Encore®ME ME4 ... 380
Voltage 230 V AC,
50/60 Hz
115 V AC,
50/60 Hz
230 V AC,
50/60 Hz
115 V AC,
50/60 Hz
Power consumption 7 VA
Regulation
time
50 Hz 45 s
60 Hz 39 s
Regulation bevel 270° ⇔0...100%
Protection class IP 65
Ambient temperature -15 ... +60 ℃
Weight 5.5 lbs.
Inputs
Control 3-point step control 0(4) ... 20 mA
Working resistance
at 0/4...20 mA
- 250 Ω
Outputs
Position feedback signal for
remote display
0...1000 Ohm, max. 2 W 0(4) ... 20 mA
0(2) ... 10 V
See the enclosed operating instructions for the ATE servomotor for further technical data.
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
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6. Performance curves
The performance curves refer to water at 68 °F (20 °C) and a suction lift of 1.6 Ft. (0.5 m. )The medium (density and viscosity) and temperature cause the delivery rate to change.
Dosing pumps must therefore be gauged in litres for the application. At 60 Hz operation, values are increased by a factor of 1.2.
Power output data apply to 50 and 60 Hz operation
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

Dosing pump for 50 Hz operation only
Power output data apply to 50 and 60 Hz operation
Dosing pump for 50 Hz operation only
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

7. Installation
7.1 General information
Local rules and regulations must be taken into account when selecting a dosing pump for designing a system, and for installation and operation. This applies to
the selection of the appropriate materials for the dosing pump, the handling of chemicals, and electrical installation.
Before installing the pump in areas with a potentially explosive atmosphere, the dosing pump must be checked to ensure that it meets the minimum requirements
set by the applicable explosion protection regulations. For this purpose, the data on the dosing pump rating plate must be compared with the local requirements.
The technical specifications of the dosing pump (section 5, page 13) must also be taken into consideration, and the system designed accordingly (e.g. pressure
loss for pipe dimensions i.e. nominal diameter and length).
ATTENTION!
For the Encore®MB/ME 75 and 76, pipe dimension must be at least DN 10. The DN 6 pipe dimension is permissible only for short lines (up to 6.6 feet (2 m)) and
low-viscosity media (<50 mPa s) .
The designer and operating company are responsible for ensuring that the whole system, including the dosing pump, is constructed so that neither system
parts nor buildings are damaged in the case of chemical leakage due to the failure of wear parts (e.g. diaphragm rupture) or burst hoses. If the chemical system
represents a potential source of danger, the installation must be designed so that no unreasonable consequential damage occurs, even if the dosing pump fails.
We therefore recommend installing leakage monitors and collecting pans.
The drain pipe of the dosing head must be visible so that a diaphragm rupture can be detected. Drainage should be able to flow freely downward through the
drain pipe.
To increase dosing accuracy and ensure functional reliability, we recommend installing additional valves and accessories. These include back-pressure valves,
pressure-relief valves, leakage monitors and low level indicators, as shown in the installation examples.
Always use appropriate tools when installing plastic connecting parts. To avoid damage, never apply excessive force.
IMPORTANT!
Plastic parts (especially PVC parts) can be tightened and loosened more easily by applying lubricant to the thread beforehand (e.g. silicone grease).
Threaded stainless steel parts (e.g. dosing head and valves) must be lubricated before being assembled (e.g. with PTFE spray), in order to prevent seizing.
ATTENTION!
Check the lubricant for compatibility with the chemical.
7.1.1 Installation of Encore®ME with ATE servomotor
When delivered, the ATE servomotor is already connected to the dosing pump and adjusted. When installing, sufficient installation space of at least 5.9 in. must be
provided in order to allow later maintenance.
The electrical connection of the ATE servomotor must be made according to local regulations and may only be carried out by qualified technical personnel. The
wiring diagrams (section 7.5) show the two basic connection variants.
Cable type and cross-section must be chosen according to the motor data.
The cable passage through the housing must be made professionally. We recommend using gland connections with strain-relief clamp. The required protection
class must be ensured by professional-standard installation of the electrical connections.
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114

ATTENTION!
Note that the ATE servomotor can only be actuated when the main drive motor of the dosing pump is running. This means that the ATE servomotor must be
locked electrically. Otherwise, the adjusting eccentric will suffer excessive wear, or be destroyed.
7.2 Installation location
The installation location of the dosing pump must be easily accessible by operating and service personnel.
ATTENTION!
Ambient temperatures above 104 °F are not permitted. Radiant heat from apparatus and heat exchangers must be shielded so that heat from the dosing pump
can be dissipated sufficiently. Avoid exposure to direct sunlight. If the dosing pump is installed outside, provide a roof to protect it from the effects of weather.
Install the pump so that the suction and discharge valves are in vertical position. To ensure stability, the dosing pump must be screwed onto an appropriate sur-
face. The system piping must not exert any force on the connections and valves of the dosing pump. To avoid dosing errors at the end of the process, the dosing
pump must be locked electrically and hydraulically.
7.3 Drain pipe
ATTENTION!
Released gases can destroy the dosing pump gear.
Drainage or leakage from the separating chamber must be allowed to flow downward to the collecting pan. The drain pipe must never
lead directly back to the medium through the tank cover, otherwise released gases may get into the pump gear. The drain pipe should
only lead downward to a gas-free collecting tank, or downward to a collecting funnel, leaving a sufficient gap from the end of the pipe.
Leakage can then be returned through the funnel and through the tank cover. This makes it easier to detect any leakages at the gap to
the collecting funnel.
ATTENTION!
If a leakage monitor is installed in an area with a potentially explosive atmosphere, the electrical connection must be intrinsically safe.
The drive motor must be electrically interlocked to prevent additional medium escaping if a leak occurs.
7.4 Electrical connection of the pump
The electrical connection of the dosing pump must be made according to the local rules and regulations and may only be carried out by qualified technical
personnel. Cable type and cross-section of the supply lines must be chosen according to the motor data. The cable passage to the motor terminal box must be
made professionally. We recommend using gland connections with strain-relief clamp. The required protection class must be ensured by professional-standard
installation of the electrical connections.
For external switch-off of the dosing pump, see paragraph 8.3.
ATTENTION!
Dosing pumps with explosion-proof motors must be installed and commissioned by specialists qualified to work with equipment intended for use in potentially
explosive atmospheres. The user is responsible for ensuring that explosion-proof motors are connected correctly. Both the motor and dosing pump must be
grounded to prevent electrostatic discharges.
DANGER!
Fire hazard. Shock wave: parts may fly off and cause fatal injury. Encore®MB must never be used in areas with a potentially explosive atmosphere. The electrical
connection of the dosing pump must be made according to the local rules and regulations and may only be carried out by qualified technical personnel.
NOTICE!
The dosing pump must be plugged into a grounded power outlet. The 230 V AC version of the Encore®MB is connected by a safety plug. The 115 V AC version is
equipped with a UL/CSA plug.
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Diaphragm Dosing Pump Encore®MB/ME Operating Instructions
CF.450.410.001.IM.1114