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Gruppo Aturia
20060 Gessate (MILANO), ITALY / Piazza Aturia, 9
Tel. +39-0295423200 /Fax +39-0295423202
www.gruppoaturia.com
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Table of Contents
Summary of Contents for Marelli AQUAFIT
- Page 1 Gruppo Aturia S.p.A. 20060 Gessate (MILANO), ITALY / Piazza Aturia, 9 Tel. +39-0295423200 /Fax +39-0295423202 www.gruppoaturia.com 1 ...
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Page 2: Table Of Contents
CONTENTS CHAP./ Par. TITLE PAG. GENERAL DESCRIPTION Construction Features Applications Noise levels TRANSPORT AND STORAGE Transport Storage GENERAL SAFETY INSTRUCTION General Instructions Precautions during Operation Residual Risks INSTALLATION Installation Electrical Connections COMMISSIONING AND STARTUP Startup MAINTENANCE Ordinary Maintenance FAULT FINDING 10-11 REPARATION SPARE PARTS... - Page 3 FOREWORD The purpose of this instruction manual s to ease as much as possible the installation, operation and servicing of AQUAFIT monobloc centrifugal pumps. We strongly recommend to read it attentively and to consult it whenever work is done on the pump.
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Page 4: General Description
Typical performances refer to continuous duty with clear water (specific weight: 1,000 kg/m3) with a manometric suction head of 2 meters if not otherwise specified. For higher heads, please contact MARELLI to check for the pump best suited to the service. Pump nameplate reports the following data:... -
Page 5: Noise Levels
1.3 Noise levels The following table reports the noise level produced by AQUAFIT pumps running within their operating limits and installed according to the instructions given in this manual. (Average values measured at 1 meter from the pump and elaborated according to ISO curve A – standard R1680. -
Page 6: General Safety Instruction
1.2. Recommended operational limits must be strictly observed. In case of applications not specified on this manual, please contact MARELLI to check for pump suitability, installation safety and pump life. We recommended to install the pump in a safe place. -
Page 7: Installation
CHAPTER 4 INSTALLATION 4.1 Installation For what concerns handling and installation, please refer to section 2.1. the pump can be bolted in position through the openings in its feet or in motor feet, or fastened straight to piping (see pictures). Pipes should always be connected so to avoid any kind of stress to the pumps. -
Page 8: Commissioning And Startup
CHAPTER 5 COMMISSIONING AND START-UP 5.1 Start-up Before starting the pump it is necessary to prime it, i.e. to fill with liquid pump and suction pipe through the suited filing hole. In case of double-impeller pumps, bleed trapped air by means of the suited bleeding valve (see picture). -
Page 9: Maintenance
CHAPTER 6 MAINTENANCE 6.1 Ordinary Maintenance Once started the pump, check it as frequently as possible by means of system instrumental like pressure gauges, vacuum meters and ammeters. The pump needs normally no maintenance, except a periodical check for: Absorbed power, suction head and final pressure. Mechanical seal operation (there should be no leaks). -
Page 10: Fault Finding
CHAPTER 7 FAULT FINDING PROBLEM PROBABLE CAUSE REMEDY 1.1 PUMP AND SUCTION PIPE NOT PRIME AGAIN PUMP AND WELL PRIMED, WITH AIR TRAPPED SUCTION PIPE. IN THE SYSTEM. 1.2 AIR ENTER THE SYSTEM THROUGH SUCTION PIPE OPEN CORRECT INSTALLATION. TAPS. THE PUMP GIVEN NO 1.3 SUCTION HEAD TOO HIGH. - Page 11 PROBLEM PROBABLE CAUSE REMEDY 4.1 PUMP PERFORMANCES ARE DELIVERY GATE VALVE DIFFERENT THAN RATED. PARTIALLY CLOSED.. PUMP NOT SUITED TO THE 4.2 LIQUID SG HIGHER THAN SERVICE OR DELIVERY GATE EXCESSIVE BREAK SPECIFIED. VALVE PATIALLY CLOSED. POWER 4.3 ABNORMAL INTERNAL RUBBING REPAIR THE PUMP, SEE CHAP.
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Page 12: Reparation
CHAPTER 8 REPAIRING THE PUMP Before disassembling the pump Switch off line voltage. Close suction and delivery gate valves. Leave the pump cool off line in case warm liquid has been pumped. Drain the pump through the suited draining hole (see picture). Removing the pump from installation Full remove from the installation: Remove bolts from suction and delivery flanges. -
Page 13: Spare Parts
CHAPTER 9 SPARE PARTS 9.1 Spare parts ordering For a faster processing of your order, when ordering spare parts please specify: Pump type Pump serial number Part name and number as listed on sectional drawing Pump type and serial number are ar easily found on pump nameplate. -
Page 14: Section Views
SECTIONAL VIEWS 14 ... - Page 15 15 ...
- Page 16 DICHIARAZIONE DI CONFORMITA' ( secondo allegato II A - Direttiva Macchine 2006/42/CE ) DECLARATION OF CONFORMITY ( according to enclosure II A - Machinery Directive 2006/42/EC ) Section 1 Machinery Description GRUPPO ATURIA S.p.A. Costruttore Manufacturer Tipo Type Descrizione Elettropompa centrifuga MONOBLOCCO Description Monobloc centrifugal electric pump Section 2...
- Page 17 REGULATION (EU) N. 547/2012 of 25-06-2012 implementing Directive 2009/125/CE GRUPPO ATURIA S.p.a. – P.za Aturia, 9 – Gessate (MI) – Italy, declare under our exclusive responsibility that the following directive integrates the EC Declaration of Conformity contained in the present manual of instructions. Minimum efficiency index: MEI ≥...
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