Table of Contents
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MAINSBOOST
VariQ
Installation, Operation & Maintenance
Instructions
Please leave this instruction booklet with the end user as it contains
important warranty, maintenance and safety information
Read this manual carefully before commencing installation.
This manual covers the following products:
Mainsboost
VariQ
Pt. No. 47322
CE c ompli ant pr oduc t
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Table of Contents
Related Manuals for Stuart Turner MAINSBOOST VariQ
Summary of Contents for Stuart Turner MAINSBOOST VariQ
- Page 1 MAINSBOOST VariQ Installation, Operation & Maintenance Instructions Please leave this instruction booklet with the end user as it contains important warranty, maintenance and safety information Read this manual carefully before commencing installation. This manual covers the following products: Mainsboost VariQ Pt.
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Page 2: Table Of Contents
APPLICATION The Mainsboost VariQ is designed for pressure boosting applications in vented stored, cold, clean water systems, where under gravity, no flow is available and can be used in systems where either a positive or negative head exists. Inlet pressures to the pump must not exceed the values given in the technical specifications. - Page 3 WARNINGS: This pump set must not be used for any other application without the written consent of Stuart Turner Limited and in particular, must not be connected directly to the mains water supply. This appliance can be used by children aged from 8 years and above...
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Page 4: Checklist
CHECKLIST IMPORTANT: With the pump removed from its packaging check for any damage prior to installation. If any damage is found contact Stuart Turner Ltd within 24 hours of receipt. 22mm isolating valve (non- 22mm copper outlet pipework (discharge). - Page 5 ITEM DESCRIPTION Pump Hose Items B & C not supplied but can be purchased. Inlet /outlet connector & Part No. 29044 gasket (UK) or 29045 (ROI). In line filter Not supplied but recommended. Note: Item C, if purchased, is supplied loose and will require fitting to the pump inlet/outlet.
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Page 6: Important Facts - Read Before Commencing Installation
IMPORTANT FACTS: READ BEFORE COMMENCING PUMP INSTALLATION A Water storage capacity. • The cold water storage capacity (must be a minimum of 230 litres) and sufficient to meet the flow rates required by the pumped equipment and any other water using fittings and appliances, which may be operated simultaneously. -
Page 7: Location - General
1.12. Direction of flow: Ensure water enters the pump via the inlet on the front of the pump and exit out the top. 1.13. Flexible hoses: Only use the Stuart Turner hose set that are available for the pump. 1.14. Isolating valves: Separate system isolating valves (non-restrictive) must be fitted to allow easy pump service. -
Page 8: Location - Cold Water Installation
2. LOCATION - COLD WATER INSTALLATION Fig 2. Diagram showing typical cold water installation. 2.1. The cold water supply: Must be a DEDICATED AIR FREE supply via a tank connector. Do not connect to the mains. - 8 -... -
Page 9: Location - Suction Lift Installation
Pump Mounted Above Liquid Source (Suction Lift Installation): Fig 3. Diagram showing typical pressure control installation with suction lift. 2.2. The pumps can be used in a suction lift installation providing the height of lift is within the limits specified in the limits of application section and the liquid to be pumped is cold water. - Page 10 2.6. Ensure all joints in suction pipework are completely airtight. Failure to comply will result in loss of prime. 2.7. The intake of the footvalve/strainer should be positioned such that it cannot be blocked with debris or silt that are frequently found in the bottom of sumps and wells.
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Page 11: Pump Connections
3. PUMP CONNECTIONS 3.1. Hose to pump: These pumps have G1 threaded connections. If flexible hoses are used, the flexible hose end is made water tight with a sealing washer on assembly, nip tight to 4/5 Nm for water tight seal (do not overtighten). 3.2. -
Page 12: Electrical Installation
4. ELECTRICAL INSTALLATION / EARTHING 4.1. Regulations: The electrical installation must be carried out in accordance with the current national electrical regulations and installed by a qualified person. 4.2. RCD’s/ELCB’s are not recommended for use with variable speed drives/motors. If an RCD is mandatory use type B RCD’s. 4.3. - Page 13 4.13. Wiring of connection unit: WARNING: This appliance must be earthed. The wires in the mains lead (supply cord) are coloured in accordance with the following code: Green and Yellow: Earth Blue: Neutral Brown: Live As the colours of the wires in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your connection unit proceed as follows: ...
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Page 14: Commissioning
5. COMMISSIONING / SYSTEM FLUSHING / PRIMING / STARTING 5.1. System Flushing: The pipework system should be flushed out prior to the pump being connected to ensure any contaminants / chemical residues and foreign bodies are removed from elsewhere in the system. 5.2. - Page 15 Carefully check pump and pipework for leaks whilst pump running and stationary before leaving the installation unattended. 5.5. For further technical support: Phone the Stuart Turner TechAssist team on +44 (0) 800 31 969 80. Our staff are trained to help and advise you over the phone.
- Page 16 “OPERATING SET PRESSURE PRESSURE” display display shows the shows current pressure the pump actual pressure the is currently set at. pump is producing. Start/Stop button Pressure increase button Reset button Pressure decrease button Fig 6. Control panel. Indicator buttons: Pump is ‘ON’ b) Leakage detected in pipeline: Check where possible for leaks or contact appropriately qualified person.
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Page 17: Maintenance
6. MAINTENANCE 6.1. Disconnect electrical supply before working on the pump. 6.2. Turn off water supplies to the pump and release pressure by opening water outlets before attempting maintenance. 6.3. Cleaners, Disinfectants and Descalents: Acid based descalents and aggressive cleaning agents must not come into contact with the pump. The pump must be removed from the system prior to the use of these products. -
Page 18: Technical Specification
7. TECHNICAL SPECIFICATION Stuart Turner reserve the right to amend the specification in line with its policy of continuous development of its products. 7.1. Noise: The equivalent continuous A-weighted sound pressure level at a distance of 1 metre from the pump does not 66dB(A). - Page 19 Pump Model VariQ General Warranty 2 years Pump type Centrifugal Multistage Pump control Pressure/flow switch Inlet strainer(s) Optional Flexible hoses Optional Features Dry run protection Priming vent plug Self priming Typical noise 66 dB(A) Pump body Stainless steel Materials Impeller Plastic...
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Page 20: Trouble Shooting
Check power supply. Check fuse (see fuse section). Electrical supply. Check circuit breaker is set. Check wiring connections. Pump Jammed. Contact Stuart Turner. Pump will not start. Recommended static inlet/ outlet Re-position pump (see pump heads exceeded. location section). Control panel damaged. - Page 21 Pump is not on a stable platform. Relocate pump. Excessive vibration from pump. Impeller damage. Contact Stuart Turner. Water inlet pipe is too small. Check inlet pipe size. Pump is noisy. Bearing damage. Contact Stuart Turner. Impeller damaged. Contact Stuart Turner.
- Page 22 7. The pump will then re-start and if the water starvation condition remains present, the pump will stop operation. 8. After three consecutive resets are performed the pump will remain in the off condition for 6 hours then restart. If the pump fails to operate normally after three attempts, then please consult the TechAssist team on +44 (0) 800 31 969 80.
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Page 23: Warranty
We are confident this product will provide many years of trouble free service as all our products are manufactured to the very highest standard. The Mainsboost VariQ is warrantied to be free from defects in materials or workmanship for 2 years from the date of purchase. - Page 24 STREET, DUBLIN, RESPONSIBLE PERSON AND MANUFACTURER D02 P593, IRELAND. Signed ................Stuart Turner are an approved company to BS EN ISO 9001:2015 Stuart Turner Ltd, Henley-on-Thames, Oxfordshire RG9 2AD ENGLAND Tel: +44 (0) 1491 572655 Fax: +44 (0) 1491 573704 info@stuart-turner.co.uk | www.stuart-turner.co.uk...