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Record the following information from the motor and pump
nameplates for future reference:
Pump Model No.
Bill of Material No.
Motor Model No.
Motor Serial No.
HP
Volts/Hz/Ph
Rated Amp Draw
PVM
– CAST IRON
PVMX
– 316 STAINLESS STEEL
SINGLE AND THREE PHASE
VERTICAL MULTISTAGE PUMPS
INSTALLATION AND OPERATING INSTRUCTIONS
NOTE! Read and understand the pump and motor instructions before attempting to install, disassemble or
repair the pump.
Part # A-03-308 | © 2013 Pentair Ltd. | 10/09/13
3436 0699 TACO
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Summary of Contents for Pentair Aurora PVM Series
- Page 1 3436 0699 TACO SINGLE AND THREE PHASE VERTICAL MULTISTAGE PUMPS INSTALLATION AND OPERATING INSTRUCTIONS NOTE! Read and understand the pump and motor instructions before attempting to install, disassemble or repair the pump. Part # A-03-308 | © 2013 Pentair Ltd. | 10/09/13...
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Page 2: Table Of Contents
Figure 1. Model plate information. APPLICATIONS AND OPERATING RANGES: Caution: Warns about hazards that will or can Pentair multistage in-line centrifugal pumps are designed for cause minor personal injury or property damage if liquid transfer, circulation, and pressure boosting of hot or cold ignored. - Page 3 VERTICAL MULTISTAGE PUMPS SIZING CHART – PVM SINGLE PHASE PUMPS TABLE I – Maximum Height and Width Dimensions* Dimension in Inches Model Number Allow Space to Remove PVM2-30/2D 11.3 22.6 Motor PVM2-30D 11.3 22.6 PVM2-40D 12.1 10.1 24.2 PVM2-50D 12.8 10.1 24.9 PVM2-60D...
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Page 4: Safety Instructions
VERTICAL MULTISTAGE PUMPS SIZING CHART – PVM THREE PHASE PUMPS TABLE II – Maximum Height and Width Dimensions* Dimension in Inches Model Allow Space Number to Remove PVM2-30/2D 11.3 22.6 Motor PVM2-30D 11.3 22.6 PVM2-40D 12.1 23.4 PVM2-50D 12.8 10.1 24.9 PVM2-60D 13.5... - Page 5 VERTICAL MULTISTAGE PUMPS SIZING CHART – PVMX SINGLE PHASE PUMPS TABLE I – Maximum Height and Width Dimensions* Dimension in Inches Model Number Allow Space to Remove PVMX2-30/2D 11.9 23.2 Motor PVMX2-30D 11.9 23.2 PVMX2-40D 12.6 10.1 24.7 PVMX2-50D 13.3 10.1 25.4 PVMX2-60D...
- Page 6 VERTICAL MULTISTAGE PUMPS SIZING CHART – PVMX THREE PHASE PUMPS TABLE II – Maximum Height and Width Dimensions* Dimension in Inches Model Allow Space Number to Remove PVMX2-30/2D 11.9 23.2 Motor PVMX2-30D 11.9 23.2 PVMX2-40D 12.6 23.9 PVMX2-50D 13.3 10.1 25.4 PVMX2-60D 14.1...
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Page 7: Installation
VERTICAL MULTISTAGE PUMPS For open systems requiring suction lift, locate the pump as close to the water source as possible. FOUNDATION. Foundation should be concrete or a similarly rigid foundation to provide a secure, stable mounting base for the pump. Secure pump to foundation using all bolt holes. -
Page 8: Electrical
VERTICAL MULTISTAGE PUMPS Install isolation valves in both inlet and outlet pipes near the If the system or pump must be drained periodically (especially pump (see Figure 5). This allows for removal of pump for service if the discharge pipe is horizontal or slopes downward away without draining the system and isolation of the pump in case of from the pump), install a loop and vacuum valve as shown in a flooded suction condition. -
Page 9: Operation
In hot water installations, pay Pentair pumps must be used with the proper size and type of motor particular attention to the risk of injury from scalding hot water. - Page 10 VERTICAL MULTISTAGE PUMPS Example for PVM8: Warning: Hazardous Voltage Flow = 60 GPM Pb = 1 Bar = 29.53 inches of mercury* Voltage can shock, burn, or cause death. Ground pump motor (Convert from Bar to ft. of head) correctly before connecting to power supply, per article 250- 80 of the National Electrical Code (NEC) in the U.S., or the 1 inch of mercury = 1.13 ft.
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Page 11: Maintenance
VERTICAL MULTISTAGE PUMPS MAINTENANCE: MOTOR REPLACEMENT. For Reference Numbers [shown as (3) or (5)], refer to the Exploded View, Figure 14, for PVM2 and PVM4 series models, Figure 16 for PVMX2 and PVMX4 models, Figure 15 for PVM8 and PVM16 series models, and Figure 17 for PVMX8 and PVMX16 series models. - Page 12 VERTICAL MULTISTAGE PUMPS 19. Reinstall the motor bracket (7) on the pump body. Align the priming plug (6) to its original position. Warning: Hazardous Pressure 20. Oil the threads on the staybolts (19). Do not run pump with discharge valve closed; the water in the pump may boil, causing risk of explosion and steam burns to 21.
- Page 13 VERTICAL MULTISTAGE PUMPS TWO PART MECHANICAL SEAL/DISASSEMBLY. See 4. Moisten the internal parts of the rotating portion of the Table VII to determine which seal your model has. mechanical seal (14B). TABLE VII – Seal Type Identification 5. Install the rotating half of the seal onto the shaft. Push and twist the seal onto the shaft to the stop ring.
- Page 14 VERTICAL MULTISTAGE PUMPS 4. Clean the seal seat with a wet cloth. FREQUENCY OF STARTS AND STOPS. Check pump cycling frequency and make sure that the pump is not starting more than: 5. Remove the rotating parts of the seal by twisting and pulling up on them until they come off the shaft (15C and 15D, 15E, TABLE IX –...
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Page 15: Troubleshooting Guide
VERTICAL MULTISTAGE PUMPS TROUBLESHOOTING GUIDE Warning: Hazardous Voltage and Risk of Sudden Starts Disconnect all power to the pump before servicing or working on pump. Make sure that power is locked out and that pump cannot be accidentally started. Fault Possible Cause A. -
Page 16: Repair Parts
VERTICAL MULTISTAGE PUMPS REPAIR PARTS LIST FOR PVM2 AND PVM4 Figure 14. Exploded View of PVM2 and PVM4. Ref. No. Description Ref. No. Description Motor Mechanical Drive Ring Replacement Stack Kit (Includes Ref. Nos. 16A through 16L) Coupling Half Socket Head Screw Shaft Coupling Guard Stop Ring... - Page 17 VERTICAL MULTISTAGE PUMPS REPAIR PARTS LIST FOR PVM8 AND PVM16 Figure 15. Exploded View of PVM8 and PVM16. Ref. No. Description Ref. No. Description Motor Mechanical Drive Ring Replacement Stack Kit (Includes Ref. Nos. 16A through 16L) Coupling Half Socket Head Screw Shaft Coupling Guard Stop Ring...
- Page 18 VERTICAL MULTISTAGE PUMPS REPAIR PARTS LIST FOR PVMX2 AND PVMX4 Figure 16. Exploded View of PVMX2 and PVMX4. Ref. No. Description Ref. No. Description Motor Mechanical Drive Ring Replacement Stack Kit (Includes Ref. Nos. 16A through 16L) Coupling Half Socket Head Screw Shaft Coupling Guard Stop Ring...
- Page 19 VERTICAL MULTISTAGE PUMPS REPAIR PARTS LIST FOR PVMX8 AND PVMX16 Figure 17. Exploded View of PVMX8 and PVMX16. Ref. No. Description Ref. No. Description Motor Mechanical Drive Ring Replacement Stack Kit (Includes Ref. Nos. 16A through 16L) Coupling Half Socket Head Screw Shaft Coupling Guard Stop Ring...
- Page 20 WARRANTY Seller warrants equipment (and its component parts) of its own manufacture against defects in materials and workmanship under normal use and service for one (1) year from the date of installation or start-up, or for eighteen (18) months after the date of shipment, whichever occurs first.
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