Pentair VLR 2B-30/2A Manual
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Pentair VLR 2B-30/2A Manual

Pentair VLR 2B-30/2A Manual

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1. GENERAL INFORMATION
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
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
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
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
5.1
Lubrication
5.2
Temporarily quiescing
5.3
Periodical inspection
5.4
Extraordinary maintenance
6. OPERATION TROUBLES
7. DISMANTLING
7.1
Disconnecting the machine
7.2
Residual risks after disconnection
Index
page 14
page 16
page 17
page 21
page 22
page 23
page 24
13

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Summary of Contents for Pentair VLR 2B-30/2A

  • Page 1 Index 1. GENERAL INFORMATION page 14 Supplied documents 1.1.1 Manual Information ownership Machine identification data EC declaration of conformity General information on safety 1.5.1 Personnel qualification 1.5.2 Special compliance Conventions 1.6.1 Word conventions 1.6.2 Typographical conventions Expected uses 1.7.1 Expected uses 1.7.2 Expected modes of installation Non expected uses 1.8.1 Liabilities resulting from non expected uses...

  • Page 2: General Information

    Danger Before using the motor-pump, check every 1.2 Information ownership time that the cable and all the electric The information contained in this manual is owned by PENTAIR devices are efficient, repaired and pro- WATER ITALY Srl tected. The reproduction, also partial, of this manual is forbidden without...
  • Page 3 1.7.2 Expected modes of installation The machine has been designed, manufactured and protected to be installed both: PENTAIR WATER ITALY is not liable in - Indoor case of accidents deriving from the use of - Outdoor with a protection from atmospheric agents...

  • Page 4: Supplied Documents

    NOTA: EN GJL 200 (ex G220) cast iron with internal steel 1.8.1 Liabilities resulting from non expected uses drivehead 2.2 Technical features PENTAIR WATER ITALY is not liable for possible damages to people, animals or Machine size and weights things resulting from a non-expected use of See "Product specification"...

  • Page 5: Noise

    - for machines having a weight between 25 and 50 kg: hand 2.2.2 Liability hoisting made by two persons PENTAIR WATER ITALY is not liable if the values shown in this - for machines having a weight exceeding 50 kg: hoisting using paragraph are not complied with.

  • Page 6: Hoisting

    3.4.2 Damage signalling 3.2 Transport In case of non-compliance or damages, signal to PENTAIR The machine transport must be made under the following WATER ITALY or to the seller the problem within 8 (eight) days conditions: from the purchase date.

  • Page 7: Terminal Box Position

    PIPING ASSEMBLY threaded pipe machine with incorrect correct oval flange screws air locks screws gaskets threaded counterflange pipe flow direction Power supply indication The power supply mains must have the following characteristics: - A differential protection - Voltage and frequency values matching the ones shown on the machine motor rating plate - A power output not lower than the value shown on the machine motor rating plate...

  • Page 8: Adjustment

    Machine with single-phase motors Carry out the following operations to connect the machine to the power supply 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...

  • Page 9: Priming

    4.1 Priming A machine is considered under head if, in closed circuit systems, the level of the fluid to be pumped is above the suction inlet of the machine 4.1.1 Machines installed under head Carry out the following operations to fill a machine under head: - Close the gate on the delivery piping - Unscrew the priming cap - Loosen the air valve (if present)

  • Page 10: Start And Stop Frequency Control

    - If air comes out from the air valve, carry out a new priming Danger If the fluid flowing in the pipes and circulat- operation ing in the machine has a temperature - Tighten the air valve (if present) or open the priming cap higher than 65 °C, Use overall and gloves - Open the gate on the delivery piping protecting against high temperatures...

  • Page 11: Periodical Inspection

    A- If the checks do not find malfunctions, keep on using the machine up to another inspection. B- If the checks find malfunctions, carry out the following opera- PENTAIR WATER ITALY is not liable in tions: case of recycling or reuse of machine parts -- Make reference to the table “Defect/Cause”...
  • Page 12 Defect/Causes Defect Causes A - At starting, the motor does not run 1 - Mains voltage is cut-off 2 - Blown fuse 3 - Intervention of the thermal relay 4 - Either the motor starter contacts do not conduct or the coil is faulty 5 - The auxiliary circuit fuses are blown 6 - The machine motor is faulty...

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