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GRUNDFOS INSTRUCTIONS CLICK ANYWHERE on THIS PAGE to RETURN TO GRUNDFOS SCALA 2 PUMP GUIDE at InspectApedia.com SCALA Installation and operating instructions...
English (GB) Installation and operating instructions Original installation and operating instructions Read this document and the quick guide before These installation and operating instructions describe Grundfos installing the product. Installation and operation must SCALA2 domestic water supply pumps. comply with local regulations and accepted codes of Sections 1-5 give the information necessary to be able to unpack, good practice.
1.3 Notes 3.2 System sizing The symbols and notes below may appear in Grundfos installation and operating instructions, safety instructions and Make sure that the system in which the pump is service instructions. incorporated is designed for the maximum pump pressure.
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3.3.3 Connecting the piping system Pipe hanger for rigid pipe Make sure that the pump is not stressed by the Flexible hose piping system. Always loosen and tighten the union nuts on the inlet and outlet ports by hand. Damage to the inlet and Rubber pad outlet parts increases the risk of leakage.
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3.3.7 Suction from a well Pos. Description Foot valve with strainer (recommended) Minimum 1 ° inclination 3.3.9 Inlet pipe length The overview below shows the different possible inlet pipe lengths, depending on the vertical pipe length. The overview is only intended as a guide. Fig.
3.4 Electrical connection 4. Starting up the product Carry out the electrical connection according to local regulations. Do not start the pump until it has been filled with Check that the supply voltage and frequency liquid. correspond to the values stated on the nameplate. DANGER 4.1 Priming the pump Electric shock...
The pressure settings 4.5, 5.0 and 5.5 bar (65, 73 and 80 psi) require a positive inlet pressure and these settings must only be used when boosting from the water mains. Fig. 12 Grundfos SCALA2 pump Pos. Description Air valve for built-in pressure tank Operating panel.
6.2 Intended use 6.4.2 Type key This pump has been evaluated for use with water SCALA2 3 -45 A K C H D only. Type range Only use SCALA2 pumps according to the SCALA2 specifications stated in these installation and operating instructions.
8. Setting the product 8.3.2 Self-learning function The factory setting for this function is "on". The pump will remember the controller settings even if it is turned off. If the pump cannot reach the user-defined pressure setpoint, the 8.1 Setting the outlet pressure self-learning function will automatically adjust the setpoint.
8.3.3 Auto reset 9. Servicing the product The factory setting for this function is "on". DANGER Electric shock This function allows the pump to automatically check if the Death or serious personal injury operating conditions are back to normal. If the operating - Before starting any work on the product, make conditions are back to normal, the alarm indication will be reset sure that the power supply has been switched off...
9.2 Customer service information 2. Disconnect the power supply. 3. Open a tap to release the pressure in the pipe system. For further information on service parts, see Grundfos Product Center on www.product-selection.grundfos.com. 4. Close the isolating valves and/or drain the pipes.
12. Fault finding the product 12.1 Grundfos Eye operating indications Grundfos Eye Indication Description The power is off. No lights are on. The pump is not running. Two opposite green indicator lights running in the The power is on. direction of rotation of the pump.
The pump is blocked by See section 10. Starting up the product impurities. after standstill. Contact Grundfos Service if the problem persists. e) Dry running. Check the water source, and prime the pump. The maximum runtime has been Check the installation for leakage and exceeded.
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Fault Cause Remedy 4. System a) The setpoint is set too high. The Reduce the pressure to a new setpoint overpressure. difference between the outlet (maximum 3.5 bar (51 psi) + positive pressure and the inlet pressure inlet pressure). must not exceed 3.5 bar (51 psi). Example: If the inlet pressure is 0.5 bar (7 psi), the maximum outlet pressure is 4 bar (58 psi).
Pipe connections are R 1" or NPT 1". 1. Use the public or private waste collection service. 13.3 Electrical data 2. If this is not possible, contact the nearest Grundfos company or service workshop. Stand-by See also end-of-life information on...
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Unit 1, Ground floor Turkey Av. Humberto de Alencar Castelo Branco, Siu Wai Industrial Centre GRUNDFOS Pumper A/S GRUNDFOS POMPA San. ve Tic. Ltd. Sti. 29-33 Wing Hong Street & Strømsveien 344 Gebze Organize Sanayi Bölgesi CEP 09850 - 300...