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Horizontal Multistage
Centrifugal Pumps
SMH Range
SMH35 SMH45 SMH55 SMH75 SMH90
We recommend, for additional protection, the pump
to be supplied from socket outlet protected by
a residual current device – RCD (also known as
an Earth Leakage Circuit Breaker – ELCB) with a
maximum rated residual current of 30mA.
Should you the installer or owner be unfamiliar with the correct
installation or operation of this type of equipment you should contact
the distributor/manufacturer for the correct advice before proceeding
with the installation or operation of this product.
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Related Manuals for onga SMH35
Summary of Contents for onga SMH35
- Page 1 Horizontal Multistage Centrifugal Pumps SMH Range SMH35 SMH45 SMH55 SMH75 SMH90 We recommend, for additional protection, the pump to be supplied from socket outlet protected by a residual current device – RCD (also known as an Earth Leakage Circuit Breaker – ELCB) with a maximum rated residual current of 30mA.
- Page 2 Relax - you’ve bought an Congratulations on your decision to purchase an Onga product. Onga is one of the best know brands in its fi eld, with a proud local and international reputation. Onga is a brand for reliability, value for money and technological innovation.
- Page 3 ISO 9001:2000 accreditation. A Fair Price Onga products are neither the cheapest nor the most expensive in their fi eld. Our products do, on the other hand, always represent very good value for money; they always have and they always will.
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Page 4: Table Of Contents
Table of Contents Page Model Data Application Installation Operation Service and Maintenance Trouble Shooting Warranty... -
Page 5: Model Data
Model Data Motor Model SMH35 SMH45 SMH55 SMH75 SMH90 Technical Information Inlet (Suction): 1” BSPF Outlet (Discharge): 1” BSPF Water Temperature Range: 1º - 50ºC IP Rating: IP44 Electrical Supply: 230V +10%, -6%, 50Hz single phase Maximum Ambient temperature: 55 ºC... -
Page 6: Application
Application Onga SMH Series pumps are suitable for pumping clean water in a domestic water system, small irrigation applications, and as pressure booster pumps. The strength of the stainless steel pump casing coupled with the impervious nature of the technopolymer impeller and diffuser make it ideally suited for most potable water pumping applications. -
Page 7: Installation
Installation The electrical installation shall be in accordance with the national wiring rules (AS/NZS 3000) for class 1, IP44 rated products. These instructions are a guide only. Users not familiar with pumping equipment should seek advice from people experienced in pump equipment and installation. Freezing conditions will damage the unit, because when water freezes it expands. - Page 8 1. Preparation for Installation Inspect your pump for shipping damage. Report any damage to your Onga stockist. Make sure the suction piping is free of air leaks and is laid so that there can be no airlocks. Warranty of these pumps is void unless they are operated in accordance with this owner’s manual.
- Page 9 6. Suction This is the most important part of the installation as errors will cause signifi cant problems for the system in performance and longevity. IMPORTANT: A gate valve must be installed at the tank outlets. Installations where the tank base is below the pump Min 100mm Recommended Length 150mm Barrel Union...
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Page 10: Pump Priming
In-line strainers/fi lters are only recommended for pumps fi tted with Minipress, PressControl or WaterSwitch. Regular maintenance is required to keep them clean and provide maximum pump pressure. Consult your Onga dealer for information regarding the suitability of each SMH pump in an automatic pressure system prior to installation. 7. Discharge The length and diameter of the discharge hoses/pipes will affect the pressure and fl... - Page 11 matter of inserting the plug into the suitable socket outlet. Before plugging the power supply cord into the socket outlet, connect the pump to it using the provided IEC appliance connectors on the end of the interconnection cords. Ensuring there are no water traces on the connectors push them fi rmly into each other to ensure intended splash (water) proof protection.
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Page 12: Operation
Operation The pump operator or owner must be provided with this owner’s manual. This must be read before operation, and followed during operation. Ensure that your pump is fi lled with water before operating. The pump is designed to be used with clean water in a residential application. - Page 13 2. D.R.O.P (Dry Running Over-Temperature Protection) The Onga SMH series of pumps (excluding the SMH35) are fi tted with the internationally patented D.R.O.P system which protects the hydraulic parts from possible damage that can be caused by overheating of the liquid inside the pump casing.
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Page 14: Service And Maintenance
Liquid may be HOT, release pressure with care before servicing. 1. General Care and Maintenance Under normal conditions the Onga SMH series of pumps requires only minimal attention. In order to prevent possible failures, it is advisable to periodically check the pressure supplied and power absorption. -
Page 15: Troubleshooting
Pump is partially blocked Remove debris and fl ush pump with with debris clean water Pressure switch setting Check and adjust pressure switch are incorrectly set or and/or replace faulty parts. faulty. Should problems persist, contact your nearest Onga Service Agent. - Page 16 Pentair Water Product Warranty Pentair Water warrants that, when this product is used for the purpose it was designed, is correctly housed and vented against weather, vermin, dust etc., that it will be free of material and manufacturing defects at the time of the original purchase. This warranty is limited to the cost of the product and does not cover third party costs including the costs of electricians, plumbers, etc.
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Page 17: Warranty
Pentair Water Product Warranty (Continued) water ingression or exposure to abnormal corrosive conditions or “run dry” conditions; any other cause which does not relate to a product defect. Damage caused to the product as a consequence of use of another manufacturer’s product used in conjunction with Pentair Water and affi... - Page 18 Notes...
- Page 19 Notes...
- Page 20 IMPORTANT Please attach your sales invoice/docket here as proof of purchase should warranty service be required. Please do not return Warranty - Retain for your records. Purchased From ........................Purchase Date........Serial No......Model No......Pacific Head Office Australia Pentair Water Australia Pty Ltd Notting Hill Victoria, Australia Tel: +61 3 9574 4000 Fax: +61 3 9562 7237...