Pentair VLR 16-30/2 Manual Download Page 1

13 

Index 

 

1. GENERAL INFORMATION 

page 14

 

1.1   Supplied documents 

1.1.1 Manual 

1.2   Information ownership 

1.3   Machine identification data 

1.4   EC declaration of conformity 

1.5   General information on safety 

1.5.1 Personnel qualification 
1.5.2 Special compliance 

1.6   Conventions 

1.6.1 Word conventions 
1.6.2 Typographical conventions 

1.7   Expected uses 

1.7.1 Expected uses 
1.7.2 Expected modes of installation 

1.8   Non expected uses 

1.8.1 Liabilities resulting from non expected uses 

1.9   Warranty 

1.10   Service 

1.11   How to use the supplied documents 

2. DESCRIPTION 

page 16

 

2.1   Description 

2.1.1 Architecture and operating principles 
2.1.2 Machine structure 

2.2   Technical features 

2.2.1 Noise 
2.2.2 Liability 

3. INSTALLATION 

page 17

 

3.1   Hoisting 

3.1.1 Machine free from any type of packaging 
3.1.2 Machine packed in cardboard box 
3.1.3 Machine packed in a wooden crate 
3.1.4 Machines secured on a supporting surface 

3.2   Transport 

3.3   Storage 

3.3.1 Characteristics of the storage area 
3.3.2 Environmental characteristics of the storage area 

3.4   Preliminary checks 

3.4.1 Check for damages 
3.4.2 Damage signalling 

3.5   Preparation of the installation area 

3.5.1 Characteristics of the installation area 

3.6   Installation 

3.6.1 Connection to piping 
3.6.2 Terminal box position 
3.6.3 Connection to the electric system 

3.7   Adjustment 

3.7.1 Machine motor coupling adjustment 

4. USE 

page 21

 

4.1   Priming 

4.1.1 Machines installed under head 
4.1.2 Machines installed above head (suction mode)  

4.2   Starting 

4.3   Start and stop frequency control 

5. MAINTENANCE 

page 22

 

5.1   Lubrication 

5.2   Temporarily quiescing 

5.3   Periodical inspection 

5.4   Extraordinary maintenance 

6. OPERATION TROUBLES 

page 23

 

7. DISMANTLING 

page 24

 

7.1   Disconnecting the machine 

7.2   Residual risks after disconnection 

 

 

Summary of Contents for VLR 16-30/2

Page 1: ...ng 3 1 2 Machine packed in cardboard box 3 1 3 Machine packed in a wooden crate 3 1 4 Machines secured on a supporting surface 3 2 Transport 3 3 Storage 3 3 1 Characteristics of the storage area 3 3 2 Environmental characteristics of the storage area 3 4 Preliminary checks 3 4 1 Check for damages 3 4 2 Damage signalling 3 5 Preparation of the installation area 3 5 1 Characteristics of the installa...

Page 2: ...cal multistage with in line mouth VLR cast iron base VLRI steel base AISI 304 VLRX steel base AISI 316 Nominal delivery in m3 h Number of stages nr of impellers x 10 Number of impellers used when lower than the number of stages only Version with oval flanges Version with round flanges 1 4 EC declaration of conformity See page 2 1 5 General information on safety We recommend to carefully following ...

Page 3: ... conventions Machine motor pumps specified in the Product specification Authorised technician person authorised by PENTAIR WATER ITALY to carry out on the machine operations not documented by this manual Skilled technician person authorised to carry out on the machine operations not documented by this manual after contacting PENTAIR WATER ITALY 1 6 2 Typographical conventions Danger Danger indicat...

Page 4: ...documents before carrying out any operation on the machine The supplied documents must be kept for the whole life of the machine so that it can be easily found when necessary If the machine is sold as second hand it must be sold together with the supplied documents 2 DESCRIPTION 2 1 Description 2 1 1 Architecture and operating principles VLR motor pumps are centrifugal vertical multistage motor pu...

Page 5: ...ne machine packed in a cardboard box depending on the machine weight The packed machines are kept in position using filling inert material used to fill the box for machines having a weight lower than 25 kg hand hoisting made by one person for machines having a weight between 25 and 50 kg hand hoisting made by two persons for machines having a weight exceeding 50 kg hoisting using hoisting means an...

Page 6: ...the seller the problem within 8 eight days from the purchase date 3 5 Preparation of the installation area 3 5 1 Characteristics of the installation area The machine installation area must have the following character istics Facilitate the positioning and access to the machine Allow a safe connection to the electric system Allow safe connections to piping Presence of a fit natural and or artificia...

Page 7: ...o gaskets present between counterflanges and machine base Brake the protecting central disks along the marked lines to get two gaskets with central holes Screw the two counterflanges at the threaded ends of the piping Position the machine so that the arrows on the base match the fluid flow direction Position the two circular gaskets between couterflanges and machine Alternatively tighten the screw...

Page 8: ...ly system Make sure that the motor is fit for the voltage mains Cut off the electric system by means of the cut off switch Unscrew the screws of the terminal box Fit the power supply cable in the fairlead Connect the lines and the ground Refit the terminal box cover with the gasket Tighten the screws of the terminal box cover Connect the power supply by means of the cut off switch Give a current p...

Page 9: ...fluid flowing in the pipes and circulat ing in the machine has a temperature higher than 65 C Use overall and gloves protecting against high temperatures 4 1 2 Machines installed above head suction mode A machine is considered above head if in open circuit systems the level of the fluid to be pumped is under the machine suction inlet Carry out the following operation to fill the machine above head...

Page 10: ...umber of starts hour is higher than 30 adjust the machine control equipment so that the fre quency is reduced Danger In case of high temperature fluids wait for an adequate time for the fluid contained in the machine to cool before unscrewing the screws securing the machine to piping Attention Always check the machine filling Never start the machine before filling it up with fluid as shown in Use ...

Page 11: ... case of Operations carried out on the machine and not documented by this manual Extraordinary maintenance operations carried out by personnel different from authorised or skilled technicians 6 OPERATION TROUBLES Make reference to the table Defect Cause 7 DISMANTLING 7 1 Disconnecting the machine Cut off the power supply system by means of the cut off switch Close the gates on the suction and deli...

Page 12: ...is faulty 4 The auxiliary circuit fuses are blown E The machine delivery is not constant 1 The suction pipe is undersized 2 The availability of sucked fluid is not enough 3 The fluid level is too low 4 The head pressure is not enough 5 The suction pipe is partially obstructed F The machine runs but does not deliver fluid 1 The suction pipe or the pump are obstructed 2 The foot valve or check valve...

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