Reefe VMR5-16 Manuale utente

INSTRUCTION MANUAL

VERTICAL MULTISTAGE

CENTRIFUGAL PUMP

MODEL: VMR5-16 | VMR10-7 | VMR10-12 | VMR20-5 |

VMR20-7

written permission of Ascento Group Australia. E&EO.

CONTENTS

Applications and Conditions 3

Deﬁnition of Model 3

Structure 4-5

Installation and Connection 6 - 10

Start-up, Operation and Maintenance 11-12

Fault Finding and Solution Chart 13-14

Important Notice 14

www.reefe.com.auAscento Group Australia P: 1800 807 604 VER.2023.08.09 3

READ THIS MANUAL CAREFULLY BEFORE INSTALLATION AND BEFORE STARTING THE PUMP.

APPLICATIONS AND CONDITIONS

Pumps of REEFE VMR models are non-self-priming vertical multistage centrifugal pumps. Their features

are high eciency, low noise, light corrosive liquid resistance, compact structure, good appearance, small

volume, light weight, easy to service, good seal performance, and covered by REEFE warranty and customer

service.

i. Applications

• Pumped liquids: low viscosity, neutral, non-explosive liquids. Not containing solid particles or ﬁbers.

The liquid must not be of a corrosive nature thereby being capable of attacking the pump materials

chemically.

• Boiler water supply and condensing system.

• Water treatment, ﬁltration system.

• Food and beverage industries.

• Pressure boosting in high-rise buildings.

• Farmland irrigation, nursery irrigation and golf court irrigation.

• Industry cleaning system.

• Liquid conveying, circulation and boosting.

• Hot and cool water.

ii. Operation Conditions

• Medium temperature: Normal temperature type -15°C+70°C; Hot water type-15°C~ +120°C.

• Flow: 0.4~180m3/h

• Medium pH range: pH 5-9.

• Maximum ambient temperature: +40°C.

• Maximum altitude: 1000 m; derate when higher.

• Minimum inlet pressure: Refer to catalogue for speciﬁc model of pump.

Caution: When pumping liquids with a density and/or viscosity higher than that of water, use motors with

correspondingly higher outputs, if required.

DEFINITION OF MODEL

MODEL SPECIFICATIONS

VMR5-16 Voltage input 1-240VAC; Current 12.4A

Rated Head 85M; Rated Flow 1.39L/sec

VMR10-7T Voltage input 3-415VAC; Current 6.76A

Rated Head 54M; Rated Flow 2.78L/sec

VMR10-12T Voltage input 3-415VAC; Current 8.79A

Rated Head 92M; Rated Flow 2.78L/sec

VMR20-5T Voltage input 3-415VAC; Current 11.9A

Rated Head 58M; Rated Flow 5.56L/sec

VMR20-7T Voltage input 3-415VAV; Current 15.84A

Rated Head 82M: Rated Flow 5.56L/sec

written permission of Ascento Group Australia. E&EO.

STRUCTURE

The pump is mainly composed of motor. pump head, diuser, impeller, cylinder, inlet& outlet chamber, pump

shaft mechanical seal and so on. Refer to Fig.1.

• Key parts of the pump, diuser, impeller, cylinder, shaft, are all made of stainless steel.

• Mechanical seal is a single face seal. The seal part is cemented carbides/ carbon. The support part of

diuser is made of tungsten carbide.

• Normally, pipes are connected by round ﬂanges. Dierent types of connections are also available on

request from the customer. See ﬁg.2 on Page 7.

Figure 1.

www.reefe.com.auAscento Group Australia P: 1800 807 604 VER.2023.08.09 5

POSITION COMPONENT POSITION COMPONENT

1 Coupling Guard 26d Pipe Thread Type Inlet &

Outlet Chamber

1a Coupling Guard (No nick) 26f Oval Flange Type Inlet &

Outlet Chamber

2 Screw M4x8 28 Drainage Screw M10

3 Pump Head 29 Drainage Nut

3a Liring 30 O Ring 169x3.3

4 Diuser 31 O Ring 8 x2.65

4a Support Diuser 33 Impeller Sleeve (S)

4b Neck Ring Cover 33a Impeller Sleeve (L)

4c Neck Ring 34 Mechanical Seal

5 Coupling 36 Air Vent Nut

5a Inducer 37 O Ring 16x2.65

6 Baseplate 38 Air Vent Screw

7 Shaft Plate 39 Screw, Washer

8 Nut M16 Washer 16 40 Motor

9Hexagon socket

head screw 46 Adjusting Rubber

10 Circlip cover 47a Bearing

14 Strap 49 Impeller

17 Impeller Sleeve 50a Top Diuser

20 Flange 51 Shaft

21 Snap Ring 55 Cylinder

22 First Impeller Cover 63 O Ring Retainer

23 Nut M12 Waster 12 65 Bolt M8x20

25 Stay Bolt 66 Oval Flange

26a Flange Type Inlet & Outlet

Chamber 67 Oval Flange Gasket

26c Cutting Ferrule Type Inlet

& Outlet Chamber 68 Bolt M12x40

written permission of Ascento Group Australia. E&EO.

INSTALLATION AND CONNECTION

i. Handling

When lifting the entire pump with motor, follow these instructions:

• Pump with motor sizes 0.37-7kW: Lift the pump in the motor ﬂange by means of straps or the like.

• Pump with motor sizes 11-75kW: Lift the pump by means of the motor eye bolts.

www.reefe.com.auAscento Group Australia P: 1800 807 604 VER.2023.08.09 7

MODEL

SIZE (MM) WEIGHT

(KG)

B1 B2 B1 + B2 D1 D2 D3

VMR5-16 684 345 1029 197 165 160 48

VMR10-7T 547 390 937 260 208 - 73

VMR10-12T 697 390 1087 260 208 - 87

VMR20-5T 562 390 952 260 208 200 76

VMR20-7T 652 390 1042 260 208 200 84

ii. Pump size and dimensions is as follows.

Figure 2.

MODEL

SIZE (MM)

DN P P1 P2 n-d1 C E h

VMR5-16 32 100 60 140 4- Ø18 250 75 32

VMR10-7T 50 80 125 165 4 - Ø18 300 90 35

VMR10-12T 50 125 80 165 4 - Ø18 300 90 35

VMR20-5T 50 125 80 165 4 - Ø18 300 90 35

VMR20-7T 50 125 80 165 4 - Ø18 300 90 35

Round Flange Connection

written permission of Ascento Group Australia. E&EO.

0.5

1.5

2.5

3.5

4.5

5.5

0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32

(

)

(

)

VMR5 Series

VMR10 Series

VMR20 Series

(

)

(

)

(

)

0.1

0.2

0.3

0.4

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14

ETA (%)

(

)

(

)

VMR10 P2

VMR10 ETA

0.4

0.8

1.2

1.6

0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30

ETA (%)

(

)

(

)

VMR20 P2

VMR20 ETA

www.reefe.com.auAscento Group Australia P: 1800 807 604 VER.2023.08.09 9

PUMP INSTALLATION

1. The pump should be sited in a well-ventilated and frost-free position. The distance between the pump-

motor and other objects should be at least 150mm, to cool the motor by fan with enough air.

2. To reduce the head loss of inlet as least as possible, the inlet pipe shall be as short as possible.

3. Ensure the check valve is installed in pipeline system before the pump installation. If pump is used for

boiler water supply, a check valve must be installed in the piping between pump and boiler.

4. Pump shall be installed in cement base or other similar base with suitable height. It can also be installed

in ﬁxed grounds or ﬁxed brackets on the wall. Pay attention not to let the weight of pipe system on pump

to prevent pump from damage.

5. The arrow on the inlet and outlet chamber shows the direction of ﬂow of liquid through the pump. Check

whether the liquid can ﬂow easily before starting the pump.

6. Before pump installation. the inlet pipeline shall be cleaned. If there are impurities in the pipe, it is

necessary to install a strainer at 0.5-1m in front of the pump inlet (particularly recommended for pump

with ﬂow less than 8m3/h).

7. Air locks shall be avoided when installing the inlet pipeline. see Fig 3.

8. If the outlet globe valve might be closed (or the ﬂow is decreased to zero), a bypass shall be installed in

outlet pipeline to ensure adequate lubricating and cooling water to pass the pump.

ELECTRICAL CONNECTION

1. The electrical connections should be carried out by an authorized electrician.

2. To make sure the motor is suitable for the power supply, cables of the motor must be connected to the

power supply according to the Fig. on the terminal box and the motor nameplate.

3. The motor must be connected to a fast and eective motor starter to ensure that the motor will not be

damaged by lack of phase, unstable voltage, or overload. Tho motor shall be earthed reliably.

Figure 3.

Caution: When installing, the motor is not allowed to be hung upside down.

Caution: Before taking the terminal box cover apart or dismantling the

pump, make sure that the power supply is switched o.

CorrectIncorrect

written permission of Ascento Group Australia. E&EO.

WARNING - ELECTRICAL CONNECTION AND SAFETY DEVICES

1. The pump units should be connected to the power supply by the appropriately rated power cables

according to the motor ratings.

2. The pump units should always be equipped with safety devices as required in the standards (EN 809

and/or EN 60204-1) as well as by the national rules of the country where the pump is used.

3. Despite the rules of any country, the power supply to the pump unit must be equipped with at least

following electrical safety devices with appropriate ratings:

• Emergency switch

• Circuit breaker (as a supply disconnecting (isolating) device as well as an over-current protective

device)

• Motor overload protection

Recommendation of Electrical Connection and Safety Devices

380V (50Hz/60Hz)

No Power Input

(kW)

Cable

Connection

Input

Current (A)

Cable Spec

(mm)

Circuit

Breaker (A)

Thermal

Protector (A)

10.37 Y 1 0.75 51.2

20.55 Y1.4 0.75 51.7

30.75 Y 1.8 0.75 5 2.2

41.1 Y2.6 1 5 3.1

6 1.5 Y 3.5 1 10 4.2

8 2.2 Y 4.9 1.5 10 5.9

11 3 Y 6.3 1.5 10 7.6

13 4 Δ8.2 2.5 20 9.8

15 5.5 Δ11 2.5 20 13.2

16 7.5 Δ15 4 20 18.0

17 11 Δ21 4 25 25.2

18 15 Δ29 6 32 34.8

19 18.5 Δ35 10 40 42.0

20 22 Δ41 16 60 49.2

21 30 Δ55 16 60 66.0

22 37 Δ68 25 80 81.6

23 45 Δ82 35 100 98.4

25 55 Δ100 70 160 120.0

26 75 Δ134 70 160 160.8

27 90 Δ160 90 200 192.0

The acoustic noise emission is around 85 dB (A).

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