5.1 Shaft seal run-in and SSN. Universal-head pumps 2.1 Applications 6.1 General description Grundfos shower pumps are suitable for pressure boosting of 6.2 Dry-running protection clean (fresh) water, without any additives, in domestic hot- and 6.3 Connecting the pump cold-water systems.
3. Installation The system in which this product is incorporated must be designed to meet the pumps requirements. Symbols used in illustrations Symbol Description Cold-water storage tank > 227 litres > 227 litres (50 gallons) (50 gallons) Hot-water cylinder Fig. 2 Connection to mains via storage tank 3.1 Positioning the pump Shower pump...
For installation within a bathroom, locate the pump in accordance with local regulations. Position the pump at least 0.6 metres horizontally away from or 3 metres vertically above floor from any bath, shower tray or basin. Warning The pump may be fitted under a bath, providing this space is only accessible through the use of a tool.
Use 22 mm pipework to and from the pump. 3.3 Cold-water storage tank • The expansion pipe from the hot-water cylinder should always Position the cold-water outlet at least 25 mm lower than the rise in order to prevent trapped air. supply to the hot-water cylinder to prevent the supply of hot water •...
Strainers Max. 45 Fit the strainers supplied with the STC, STR, SSR, STL and SSL on the inlet connections. See fig. 16. 1. Fit the strainer washer to the inlet connection. 2. Fit the plain hose washer to the outlet connection. Fig.
3.6 Temperature setting Warning Maximum hot-water temperature setting must not exceed 60 °C in The unit must be connected to a switched spur accordance with BS 6700:2006, to eliminate the risk of lime scale fused at 5 A (10 A on models STP 4.0 B and and cavitation.
4.2 Low-voltage pumps (STL and SSL) 5. Startup Use the transformer supplied. Do not start the pump until it has been filled with Caution Caution liquid. Do not connect the pump directly to the mains supply. Warning The low-voltage pump incorporates electrical protection via a Prior to startup, flush the system through with safety isolating transformer.
8. Operate maximum hot and cold flows for at least five minutes 6. Universal-head pumps each to ensure air is thoroughly purged from the system. STN, SSN, STC-1.5 CN, STC-2.0 CN, STL 2.0 CN 9. Replace handset on shower hose. 6.1 General description 10.
6.3 Connecting the pump 7. Technical data • Follow general instructions in section 3. Installation. Ambient temperature • Minimum head of water to supply the pump can be found on Maximum 40 °C. the nameplate. Storage temperature • Maximum static head of 8 metres, i.e. the highest point of the Minimum -20 °C.
8. Fault finding 8.1 Positive-head pumps (STP, SSP, STC, STL, SSL, STR, SSR) Warning Before starting fault finding, switch off the power supply. Make sure that the power supply cannot be accidentally switched on. One of the most common causes of pump problems is air in the system. Note Fault Possible cause...
8.2 Universal-head pumps (STN, SSN,STC CN and STL 2.0 CN) Warning Before starting fault finding, switch off the power supply. Make sure that the power supply cannot be accidentally switched on. Note One of the most common causes of pump problems is air in the system. Fault Possible cause Remedy...
1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. Subject to alterations.
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Appendix 1. General installation concerns The highest point of pipework must be at least 250 mm below the cold-water storage tank Fig. 1 Example of installation for positive-head pumps and installation heights required...
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Fig. 2 Example of installation of universal-head pumps and installation heights required...
Declaration of conformity GB: EC declaration of conformity We, Grundfos, declare under our sole responsibility that the products SSL, STL, STC, SSR, STR, SSP, STP, SSN and STN, to which this declaration relates, are in conformity with these Council directives on the approximation of the laws of the EC member states: —...
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BH-71000 Sarajevo Turkey Siu Wai Industrial Centre Phone: +387 33 592 480 GRUNDFOS Pumper A/S GRUNDFOS POMPA San. ve Tic. Ltd. Sti. 29-33 Wing Hong Street & Telefax: +387 33 590 465 Strømsveien 344 Gebze Organize Sanayi Bölgesi 68 King Lam Street, Cheung Sha Wan www.ba.grundfos.com...