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Installation, Operation & Maintenance 

Instructions 

Please leave this instruction booklet with the home owner as it contains important 
guarantee, maintenance and safety information. 

 

 

 

Read this manual carefully before commencing installation.

 

This manual covers the following products: 

Standard 2.0 bar Single 

Standard 1.5 bar Twin 

Pt. No. ST PUMP 20SG 

Pt. No. ST PUMP 15TN 

 

Standard 2.0 bar Twin 

 

Pt. No. ST PUMP 20TN 

 

 

 

 

FOR POSITIVE HEAD APPLICATIONS 

Please note images are representative only and may not portray 

your model

 

Summary of Contents for ST PUMP 15TN

Page 1: ...and safety information Read this manual carefully before commencing installation This manual covers the following products Standard 2 0 bar Single Standard 1 5 bar Twin Pt No ST PUMP 20SG Pt No ST PUM...

Page 2: ...COMMENCING PUMP INSTALLATION 5 5 LOCATION GENERAL 7 6 PUMP CONNECTIONS 12 7 ELECTRICAL INSTALLATION 18 8 COMMISSIONING 22 9 MAINTENANCE 23 10 TECHNICAL SPECIFICATION Single models 24 11 TECHNICAL SPE...

Page 3: ...ystems Inlet pressures to the pump and ambient temperatures must not exceed the values given in the technical specifications Bristan shower Single pumps are not suitable for boosting a single side of...

Page 4: ...national electrical regulations The electrical installation must be installed by a qualified person In the interests of electrical safety a 30 mA residual current device R C D not supplied should be...

Page 5: ...rs or similarly qualified persons in order to avoid a hazard Please read installation details carefully as they are intended to ensure this product provides long trouble free service Failure to instal...

Page 6: ...ontact Bristan Ltd within 24 hours of receipt Figure 1 Note This image is for reference only Item Description Qty A Pump 1 B ISO hose integral washer 2 1 C Plain hose integral washer 2 1 Your product...

Page 7: ...be a minimum gravity flow of at least 0 8 l min through all outlets to be pumped 4 4 Pipework General Secure pipework Ensure pipework to and from pump is independently supported clipped to prevent fo...

Page 8: ...6 4 5 Plumbing Installation Regulations The plumbing installation must comply with the current water and building regulations The plumbing installation must be installed by a qualified person...

Page 9: ...er tank Figure 4 and Figure 5 is at least 0 5 metres and does not exceed the max inlet head of 10 metres or 13 metres depending on the model See Sections 10 and 11 Technical Specifications Ambient tem...

Page 10: ...dance on limitations and recommended location consult the following relevant section for hot or cold water installation Location Single Pump Figure 2 Location Twin pump Figure 3 Standard Twin Pump Sys...

Page 11: ...r flange b The use of a Stuart Side Entry cylinder flange which should have the addition of an inverted loop U bend of 350 mm minimum drop before rising to the pump located as close as possible to the...

Page 12: ...10 Figure 5 Twin Pump 200mm min Least preferred area 350mm min Max static inlet pressure 13m Min static inlet pressure 0 5m...

Page 13: ...eed direct from the hot water cylinder or storage tank ensuring an air free connection to the pump We recommend the use of either the side entry flange SE or a top entry flange TE see Figure 6 Expansi...

Page 14: ...ors will be attacked and will fail All solder joints should be completed and flux residues removed before final connection to push in connections on the flexible hose Do not allow contact with oil or...

Page 15: ...to the inlet side of pump to satisfy servicing requirements b Standard hoses with no integral isolating valve should be applied to the outlet side of pump c Use correct tool for opening and closing i...

Page 16: ...se end running nut is fitted with a rubber sealing washer which is held captive within the nut assembly Locate the hose into position and screw the nut fully onto the fitting by hand Finally nip tight...

Page 17: ...collapse with the pipe manufacturers recommended support sleeve pipe insert c Appropriate plumbing fitting that provides a leak tight connection Ensure the pipe is free from all score marks and defor...

Page 18: ...install a 90 bend on the inlet or outlet connections of the pump before the flexible hose to accommodate a low level installation Below are some preferred connection options All connections seal on th...

Page 19: ...flexible hose supplied Fibre washer 15mm elbow 15mm copper pipe G F flexible hose supplied 15mm compression to G M G F x 15mm tap connector 15mm stem elbow 15mm to G M G F flexible hose supplied G F...

Page 20: ...rk The cord should be safely routed and secured by cable clips Adjacent pipes Adjacent suction and delivery pipes should be fitted with earthing clamps in accordance with current regulations Figure 12...

Page 21: ...st be permanently connected to the fixed wiring of the mains supply using the factory fitted supply cord via a double pole switched fused spur off the ring main and NOT connected to the boiler or the...

Page 22: ...nnected to the terminal in the connection unit which is marked with the letter E or by the earth symbol or coloured green or green and yellow The wire which is coloured blue must be connected to the t...

Page 23: ...zard 7 4 Supply Cord Extension The pumps are fitted with a supply cord to the following specification All models HO5VV F3 G 0 75 mm 6 Amp rated cable If the supply cord is to be extended a cord of the...

Page 24: ...be primed filled with water before starting Turn on water supply from the system service valves prime and vent the pump by opening the pump inlet and outlet isolating valves to allow pump to fill and...

Page 25: ...inutes every four weeks to exercise all working parts Run on cool water See Section 10 Technical Specification for note on water temperature This particularly applies to guest bathrooms used infrequen...

Page 26: ...erature 40 C Min Max water temperature Min 4 C Max 65 C Flow switch sensitivity 0 8 l min approx Materials Pump body Plastic Impeller Plastic Mechanical seal EPDM PTFE Al Oxide Connections Pump connec...

Page 27: ...8 bar Maximum ambient air temperature 40 C Min Max water temperature Min 4 C Max 65 C Flow switch sensitivity 0 8 l min approx Materials Pump body Plastic Impeller Plastic Mechanical seal EPDM PTFE Al...

Page 28: ...aximum pressure that can be applied to the pump under any installation conditions Note A stored water temperature of 60 C is considered sufficient to meet all normal requirements and will minimize dep...

Page 29: ...ntermittent flow Incorrect or no anti aeration flange fitted Check that the installation complies with installation instructions Incorrect pipe sizes Check for correct pipe sizing see Section 4 4 Pipe...

Page 30: ...a closed circuit in either the flow switch reed or P C B in the terminal box Contact Bristan Jammed flow switch Remove outlet hoses and check that flow switch sits in lowest position Check float for f...

Page 31: ......

Page 32: ...ctive 2011 65 EU WEEE Directive 2012 19 EU IT IS HEREBY CERTIFIED THAT THE STUART ELECTRIC MOTOR DRIVEN PUMP AS SERIAL NUMBER BELOW COMPLIES WITH THE ESSENTIAL REQUIREMENTS OF THE ABOVE E E C DIRECTIV...

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