Related Manuals for NAFFCO NF-VTP Series
Summary of Contents for NAFFCO NF-VTP Series
- Page 1 FIRE PUMP VERTICAL TURBINE - NF-VTP SERIES INSTALLATION, OPERATION & MAINTENANCE...
-
Page 2: Table Of Contents
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS CONTENTS 1. SAFETY 1.1. General Safety Instructions 1.2. Electric Hazards 1.3. Mechanical Hazards 2. INTRODUCTION 3. IDENTIFICATION 4. HANDLING 5. INSTALLATION 5.1. Foundation 5.2. Mounting the pump 5.3. Mounting hollow shaft drive(r) 5.4. - Page 3 11. FIRE PUMP INSPECTION, TESTING AND MAINTENANCE SCHEDULE 11. FIRE PUMP INSPECTION, TESTING AND MAINTENANCE SCHEDULE 11. FIRE PUMP INSPECTION, TESTING AND MAINTENANCE SCHEDULE 11. FIRE PUMP INSPECTION, TESTING AND MAINTENANCE SCHEDULE 12. POLICY ON WARRANTY OF NAFFCO PUMP SETS NOTES II of II Ref. No. NFVTP-IOM/2016/V.02...
-
Page 4: Safety
1.2. Electric Hazards Check proper earth connection of the electric, diesel, jockey controllers and electric motors. Make sure safety labels and operation labels are stuck in the controllers if damaged please get from NAFFCO and replace. Use only qualified personnel for installation and maintenance. -
Page 5: Identification
The NAFFCO UL Listed centrifugal pumps will give trouble-free and satisfactory service for a long time if they are properly installed and maintained periodically. Follow the instructions in this manual carefully. Do not run the pumps under operating instructions which differ from those specified by us. -
Page 6: Installation
Fire water pump sets and control systems should be installed, and accepted, in accordance with NFPA 20. Failure to install the supplied NAFFCO fire pump set fully in accordance with the NFPA 20 will void the equipment warranty. Proper ventilation and drainage system shall be provided for fire pump room. -
Page 7: Mounting The Pump
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS provide permanent and rigid support to the entire pump. Foundation area should have adequate space for future inspection and maintenance activities and should be sufficient enough to provide a solid footing. The foundation must be capable of absorbing any vibration, normal strain or shock. - Page 8 FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS mounting flange align with the foundation bolts. Continue to lower the pump assembly until the bolts enter the holes in the base. Place wedges under the discharge head base mounting flange adjacent to the bolt holes, one under the each of the four sides.
-
Page 9: Mounting Hollow Shaft Drive(R)
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS foundation all around. Remove the air bubbles from grout as it is poured by puddling, using a vibrator, or pumping the gout into place. Level off the grout flush with the top of the dam. Allow the grout to cure at least 48 hours and after that tighten the foundation bolts. - Page 10 FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS ratchet pin or balls (with rotating half of the ratchet) check the motor rotation. Motor must rotate counter-clockwise when viewed from the top end. Refer Fig. No. 08-a and 08-b for the details of general arrangement of the driving mechanism for hollow shaft driver.
-
Page 11: Mounting Horizontal Driver (Engine Or Horizontal Motor)
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS bottom of the keyway. Care should be taken to ensure that the gib key is not too adjusting nut high so as to hold up the adjusting nut from seating on the drive coupling. Install adjusting nut to a hand tight. -
Page 12: Mounting Drive Shaft
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS The horizontal drivers are mounted on the base frame while shipping from the factory. Use the lifting arrangement shown in the Fig. No. 02-a for hoisting the driver assembly. Lift the driver assembly and orient it so that the holes in the base frame align with the foundation bolts. -
Page 13: Aligning Pump And Driver
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Once the companion flanges / fly wheel disc is fixed in place, lift the drive shaft, compress it and lower it into position between mating flanges (see Fig. No. 12). -
Page 14: Drive Shaft Alignment
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS The cause of misalignment should be corrected before proceeding further with the installation. dial indicator top shaft drive plate Fig. No. 13 5.7. Drive Shaft Alignment Make sure that the engine crank shaft / motor shaft center line is on the same center line as the right angle gear drive shaft when examined from the top view (Fig. - Page 15 FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS centerlines: parallel side view Fig. No. 15 shown in the Fig. No. 15 in order for the angle θ and θ be equal when the angle is measured using the method described herein.
-
Page 16: Water Tank
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS θ θ Fig. No. 17 Bearing surfaces Bearing surfaces must be clean must be clean Adjusting knob Magnetic end of tool centered on bearing cap Magnetic end of tool centered on bearing cap... -
Page 17: Delivery Piping
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS The distance between the bottom of the strainer and the bottom of the tank should be at least one-half of the pump bowl diameter but not less than 12 in (305 mm). The distance between pump center line and tank wall should be more than the diameter of bowl. -
Page 18: Pressure Relief Valve
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Install piping as straight as possible, avoiding unnecessary bends. Where necessary use 45° or long sweep 90° bends to decrease friction losses. Make sure that all piping joints are airtight. Where increasers are used in discharge line it should be concentric type. -
Page 19: Operating Instructions Of Flow Meter
INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 5.11. Operating instructions of flow meter The flow meter arrangement of NAFFCO pump set is built as per flow meter manufacturer’s instructions. The operating guidelines are following (See Fig. No. 21 also): Close the system OS&Y valve. -
Page 20: Engine Cooling Line
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 1/2" CV WITH 2.4 MM HOLE INCLAPPER AND WILL BE CONNECTED IN OPPOSITE DIRECTION CONTROL PANEL BALL V ALVE FOR DRAIN DISCHARGE V ALVE PRESSURE SWITCH INCREASER DISCHARGE CHECK V ALVE... - Page 21 FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Radiator cooled engines employ a fan to draw air through the radiator thus directly cooling the closed engine circuit. The pump house must have inlet and outlet vents of suitable size to provide adequate air without re-circulation.
-
Page 22: Fuel Tank Arrangement
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS bypass valves in the cooling line to enable the flow of water to the engine. The raw water strainers (one on the normal line and another one on the bypass line) should be cleaned weekly, to remove sediment. -
Page 23: Battery Units
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS outlet must be same level or above the fuel pump on the diesel engine. Fuel tank should be provided with access for refilling and topping up the fuel. The fuel gauge is normally supplied loose and must be fitted to the fuel tank as per the manufacturer instructions or install as given below in an empty tank: 1. -
Page 24: Pressure Setting
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Ensure that the battery terminals are tight. Each engine shall be provided with two battery units. Current-carrying parts shall not be less than 12 in. (305 mm) above floor level. -
Page 25: Diagram Of Fire Pump Room Arrangement
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 5.18. G. A. Diagram of fire pump room arrangement Fig. No. 26 22 of 46 Ref. No. NFVTP-IOM/2016/V.02 Subject to change without prior notice... -
Page 26: Schematic Diagram Of Fire Pump Installation
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 5.19. SCHEMATIC Diagram of fire pump Installation Fig. No. 27 23 of 46 Ref. No. NFVTP-IOM/2016/V.02 Subject to change without prior notice... -
Page 27: Check List For Fire Pump Set After Installation
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 5.20. Check List for Fire Pump Set after installation SL. NO DESCRIPTION RESULT Sufficient distance between pump strainer bottom and tank bottom is £ £ maintained. Sufficient distance between pumps. - Page 28 FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS SL. NO DESCRIPTION RESULT Cooling system from heat exchanger or cooling water supply pipe line £ £ from pump discharge is installed (Engine). Cooling line return line one size higher than inlet and this return water £...
-
Page 29: Operation
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 6. OPERATION 6.1. Check List for Fire Pump Set Prior to Operation / Commissioning SL. NO DESCRIPTION RESULT Check the foundation. £ £ Check the discharge pipeline strain. £ £... -
Page 30: Start Up
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS SL. NO DESCRIPTION RESULT Ensure that all joints and splines of drive shaft are lubricate before startup. £ £ Check the all the fasteners of drive shaft for tightness. If heat exchanger engine, cooling line should be connected from discharge £... -
Page 31: Field Acceptance Test Form For Fire Pump Set
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 6.4. Field Acceptance Test Form for Fire Pump Set Electric motor driven fire pump set Pump Model: Sl. No.: Speed Capacity Head Rated Capacity Volts Amps (RPM) (GPM) (PSI) Shut off... -
Page 32: Jockey Pump - Testing
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Make sure fuel tank is ¾ full. » » Check the diesel and jockey pump controllers and verify the selector switch is in the automatic position. Check both sets of batteries to ensure that the voltage readings on them are normal. -
Page 33: Dismantling And Reassembly
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Observe how long it takes the engine to crank and once started how long it takes to reach the running speed. » Record the pump discharge pressures. » Check the pump packing glands to ensure proper tightness and adequate lubrication (should be slow drips –... -
Page 34: Dismantling
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Cut the coil on the marked point to form a gland packing ring. It should be cut diagonally at an angle of 45 degree. 10. Check the first ring to ensure a correct fit in the stuffing box before cutting further. - Page 35 FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Disconnect discharge head from the discharge piping. » Clear a large area adjacent to the pump as a storage space for laying the pump horizontally for further » disassembly Place parallel timbers on the ground in the cleared area to support the pump horizontally.
-
Page 36: Inspection, Replacement And Reassembly
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Incases where set screws are used unscrew them first. » Whereever tack weld is used grind off it carefully. » Carefully cut two “V” shaped grooves approximately 180° apart on the bowl wear ring using a diamond »... -
Page 37: Exploded View Of Split Case Fire Pump
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 8.5. Exploded View of Split case Fire Pump Fig. No. 30 34 of 46 Ref. No. NFVTP-IOM/2016/V.02 Subject to change without prior notice... -
Page 38: Parts Details Of Vertical Turbine Fire Pump
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 8.6. Parts Details of Vertical Turbine Fire Pump Sl. No. Part No. Part Name Sl. No. Part No. Part Name NFVTP-****13001 Adjusting Nut NFVTP-****13019 “O” Ring NFVTP-****13002 Top Shaft (Driver Shaft) -
Page 39: Recommended Spare Parts
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 9.2. Recommended Spare Parts » Packing Shaft couplings » Bowl wear rings » Impeller wear rings » Gasket Set » Packing gland » Impeller keys » Guide bearings » 9.3. Recommended Tools And Instruments Pipe Wrenches »... -
Page 40: Faults & Remedies
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 10. FAULTS & REMEDIES Fault Remedy Electrical circuit open or not Check circuit correct completed. accordingly. Low voltage supply to electric Check whether driver wiring is driver. correct and receiving full voltage. - Page 41 FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Fault Remedy Check dynamic water level in the Break suction. well. Lower bowl assembly by adding column. Consult factory for adding stages Static lift too high. ? ? ? or increase impeller diameter.
- Page 42 FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Fault Remedy Pumping higher viscosity or Test liquid for viscosity and specific specific gravity liquid than gravity and re-evaluate the system. designed for. Misalignment. Realign pump and driver. Motor or gear drive hollow Adjust the end play as given in the shaft end play maladjustment.
-
Page 43: Fire Pump Inspection, Testing And Maintenance Schedule
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 11. FIRE PUMP INSPECTION, TESTING AND MAINTENANCE SCHEDULE Visual Description Check Change Clean Test Frequency Date Inspection (c) Case exterior clean and dry Monthly (d) Specific gravity or state of... -
Page 44: Fire Pump Inspection, Testing And Maintenance Schedule
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 11. FIRE PUMP INSPECTION, TESTING AND MAINTENANCE SCHEDULE Visual Description Check Change Clean Test Frequency Date Inspection A. Pump system 1. Check packing leak and lubricate Monthly 2. Check operating vibration... -
Page 45: Fire Pump Inspection, Testing And Maintenance Schedule
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 11. FIRE PUMP INSPECTION, TESTING AND MAINTENANCE SCHEDULE Visual Description Check Change Clean Test Frequency Date Inspection (a) Tank level Weekly (b) Tank float switch X Weekly (c) Solenoids valve operation... -
Page 46: Fire Pump Inspection, Testing And Maintenance Schedule
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 11. FIRE PUMP INSPECTION, TESTING AND MAINTENANCE SCHEDULE Visual Description Check Change Clean Test Frequency Date Inspection (a) Oil level Weekly 50 hours or (b) Oil change annually 50 hours or... -
Page 47: Fire Pump Inspection, Testing And Maintenance Schedule
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 11. FIRE PUMP INSPECTION, TESTING AND MAINTENANCE SCHEDULE Visual Description Check Change Clean Test Frequency Date Inspection (g) Condition of flexible hoses and Weekly connections (h) Jacket water heater Weekly... -
Page 48: Policy On Warranty Of Naffco Pump Sets
This warranty is in lieu of all other warranties, expressed or implied, including any implied warranty of merchantability or fitness for a particular purpose and the obligation and liability of NAFFCO under this warranty shall not include any transportation, any other charges, liability for direct, indirect or consequential damages and delay resulting from the defect or any other obligations or liability on the part of NAFFCO, and NAFFCO neither assumes nor authorizes any other person to assume for it any other liability in connection with such equipment. -
Page 49: Notes
FIRE PUMPS - NF-VTP SERIES INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS NOTES 46 of 46 Ref. No. NFVTP-IOM/2016/V.02 Subject to change without prior notice... - Page 50 Project Name :............................Location :............................Fire Pump Set Duty Point :............................Electric Fire Pump Sl. No(s). :............................Diesel Fire Pump Sl. No(s). :............................Commissioned By :............................Date of Commissioning :............................Signature of Commissioning Engineer :............................