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MAINSBOOST
Mainsboost Charger Installation,
Operation & Maintenance Instructions
Please leave this instruction booklet with the home owner as it contains
important warranty, maintenance and safety information
Read this manual carefully before commencing installation.
This manual covers all Mainsboost steel vessels for vertical and horizontal units.
Mainsboost Charger Pump MJ3 - Vessel Mounted
Previously named Mainsboost Plus (both vertical & horizontal variants)
5
WARRANTY
CE compliant product
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Table of Contents
Related Manuals for Stuart Turner Mainboost MJ3 VM
Summary of Contents for Stuart Turner Mainboost MJ3 VM
- Page 1 MAINSBOOST Mainsboost Charger Installation, Operation & Maintenance Instructions Please leave this instruction booklet with the home owner as it contains important warranty, maintenance and safety information Read this manual carefully before commencing installation. This manual covers all Mainsboost steel vessels for vertical and horizontal units. Mainsboost Charger Pump MJ3 - Vessel Mounted Previously named Mainsboost Plus (both vertical &...
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Page 2: Table Of Contents
PRODUCT DESCRIPTION Mainsboost Charger MJ3 consists of three key assemblies, the Mainsboost vessel, Charger MJ3 pump and upstream line-in kit. APPLICATION Mainsboost Charger MJ3 is designed to offer stored clean, potable cold water under pressure for all domestic or small commercial applications where mains water is insufficient to offer consistent and reliable water services. - Page 3 WARNINGS: Mainsboost Charger MJ3 system must not be used for any other application without the written consent of Stuart Turner Limited. This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of...
- Page 4 If the supply cord is to be changed or is damaged, it must be replaced with a special cord assembly available from Stuart Turner or one of their approved repairers. Please read installation details carefully as they are intended to ensure this product provides long, trouble free service.
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Page 5: Checklist
IMPORTANT: Your Mainsboost Charger MJ3 system will be delivered in a minimum of three boxes on one pallet. Please check the contents within 24 hours of receipt and if any component is damaged, please contact Stuart Turner Ltd immediately. Mainsboost Charger MJ3 (Vertical) + Mainsboost Monobloc 22/28mm ULK... - Page 6 IMPORTANT: Your Mainsboost Charger MJ3 system will be delivered in a minimum of three boxes on one pallet. Please check the contents within 24 hours of receipt and if any component is damaged, please contact Stuart Turner Ltd immediately. Mainsboost Charger MJ3 (Vertical) + 35/42/54mm ULK...
- Page 7 CHECKLIST Mainsboost Charger MJ3 (Horizontal) + Mainsboost Monobloc 22/28mm ULK (compatible with MB 200SH and MB 250SH vessels only) Package 1a Package 2 Monobloc 22/28mm Upstream line-in kit Vessel/Mounting Cradle Fig1a Fig. 3 Package 3 MJ3 pump Fig. 2 Item Description Item Description...
- Page 8 CHECKLIST Mainsboost Charger MJ3 (Horizontal) + 35/42/54mm ULK (compatible with MB 200SH and MB 250SH vessels only) Package 2 Vessel/Mounting Cradle Package 1b Fig. 3 Upstream line-in kit 35/42/54mm Fig. 1b Package 3 MJ3 pump Fig. 2 Item Description Item Description ¼...
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Page 9: Introduction
Patents, Trademarks & Trade Names: ‘Mainsboost’ ‘Mainsboost Plus’ and ‘Mainsboost Charger’ are registered Trademarks of Stuart Turner Ltd. How the Mainsboost Charger MJ3 System works: The Mainsboost Charger MJ3 vessel stores water from the rising main in a sealed water chamber, separated from the air space by a rubber diaphragm and pressurised to an optimum setting. -
Page 10: Important Facts Read Before Commencing Installation
2 IMPORTANT FACTS READ BEFORE COMMENCING INSTALLATION A Commissioning 2.11 Ensure the pump is primed as described in the priming section before starting, damage to the shaft seal will result otherwise. See Section 8.16 - Commissioning. B Water temperature This unit is designed for cold water applications only which should not exceed the following values: 2.12 The maximum allowable water temperature is 35 2.13 The minimum allowable water temperature is 4... -
Page 11: Location
3 LOCATION - GENERAL 3.11 Access: For emergencies and maintenance the Mainsboost Charger MJ3 must be easily accessible. 3.12 Protection: The system must be located in a dry position, and protected from freezing. Avoid environments which have a high ambient temperature, high humidity or excessive condensation and salt damage, etc. -
Page 12: Terminology
4 TERMINOLOGY 4.11 Upstream Line-in Kits (ULK) Monobloc upstream line-in kit: The Mainsboost Monobloc is a patent pending mains regulating device and should be installed on the rising main between the stopcock and the Mainsboost vessel. The Monobloc unit is used on 22mm or 28mm upstream line in kits. -
Page 13: Configuration
5 CONFIGURATION 5.11 Mainsboost Charger MJ3 is a very flexible solution, offering a packaged system to suit any type or size of building no matter how large or small the demand is. The following illustrations depict just some of the most typical installations. - Page 14 UPSTREAM LINE-IN KIT Fig. 9 5.15 Water softener: NOTE: If high pressure is also required to the drinking tap fit a Stuart Water Conditioner, available from Stuart Turner, rather than a water softener. Fig. 10 Water softener - 14 -...
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Page 15: Installation
6 INSTALLATION Vertical Step 1: Remove the Mainsboost vessel from its packaging and check to ensure it is not damaged. Carefully turn the vessel on its side using the discarded packaging to protect WARNING: depending on cylinder size this may require two people to complete safely. - Page 16 Ensure the floor is sufficiently strong enough to take the total weight of the unit when full of water (see Technical Specification section). Take care when manoeuvring the unit so as not to damage it. NOTE: Do not forget if a water softener is to be installed this has to be included in this pipe run, and additional space must be allocated for this.
- Page 17 Vertical Step 2: The vessel assembly should then be positioned and checked to ensure there is sufficient space to install the upstream line-in kit between the stopcock and pressure vessel inlet. Monobloc 22/28mm Upstream line-in kit The Monobloc upstream line-in kit includes: 1 - Monobloc unit 2 - Pressure gauge (upstream) 3 - Pressure gauge (downstream)
- Page 18 Vertical vessel Fig. 17a Monobloc 22/28mm ULK Fig. 17b 35/42/54mm ULK Horizontal Step 1: Remove the Mainsboost vessel from its packaging and check to ensure it is not damaged. Carefully place the vessel on the mounting cradles. For stability, ensure the mounting cradles are as far apart as possible but within the weld seams Fig.
- Page 19 Remove the pump and mounting bracket from its packaging and assemble as shown in Figs. 19, 20 & 21. Clean surface with wipes (included) 3/8 " bolt Washer Remove protective Mounting bracket covers Washer Mounting pump onto the vessel 3/8 " nut Fig.
- Page 20 Horizontal Step 2: The vessel assembly should then be positioned and checked to ensure there is sufficient space to install the upstream line-in kit between the stopcock and pressure vessel inlet. Refer to the chart below as a guide. Monobloc 22/28mm Upstream line-in kit The Monobloc upstream line-in kit includes: 1 - Monobloc unit 2 - Pressure gauge (upstream)
- Page 21 Upstream line-in kit 35/42/54mm The upstream line-in kit includes: 1 - inline strainer 2 - pressure gauge (upstream) 3 - double check valve 4 - pressure reducing valve 5 - pressure gauge (fitted to pressure reducing valve) 6 - Mainsboost vessel connector (see step 1) 7 - Isolation Valve (see step 1) The above components must be installed in the correct order to ensure safe and satisfactory system operation.
- Page 22 Vertical Horizontal Fig. 25 Fig. 26 Sound Attenuation Covers - Vertical & Horizontal An attenuation cover (A) is available as an option should the unit need to be installed in a particularly noise sensitive area. - 22 -...
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Page 23: Electrical
7 ELECTRICAL 7.11 Regulations: The electrical installation must be carried out in accordance with the current local regulations by a qualified person. 7.12 Safety: In the interests of electrical safety a 30 mA residual current device (R.C.D. not supplied) should be installed in the supply circuit. - Page 24 7.21 If the supply cord is to be changed or damaged, it must be replaced by a special cord available from Stuart Turner or one of its approved repairers. - 24 -...
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Page 25: Commissioning
8 COMMISSIONING 8.11 System check: Ensure that the electrical supply to the pump is switched off before opening the mains water supply stopcock and checking for leaks. 8.12 Check vessel pre-charge pressure: It is important to have the correct pre-charge pressure in the vessel for your site conditions to optimise performance. - Page 26 8.15 Control module: The control module has been factory pre-set to the following conditions. Settings as per factory preset: Set point SP: 3 bar Diff pressure DIFF: 0.5 bar Low pressure LPR: 0.2 bar High pressure HPR: 4.5 bar Pump run timer PRT: 180 Pump number NPM: 2 (do not tamper)
- Page 27 8.16 On completion of the installation, follow the commissioning process below. Leave pump power switched off. Leave all outlet valves closed. Turn on stopcock and open inlet ballvalve, both pressure gauges on inlet and PRV will start to show movement as the mains pressure fills the system.
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Page 28: Technical Specification
See overleaf for overall system dimensions when the MJ3 pump is fitted to a vertical or horizontal Mainsboost pressure vessel. Stuart Turner reserve the right to amend the specification in line with its policy of continuous development of its products. - Page 29 Model Dim. ‘H1’ Dim. ‘H2’ Dim. ‘W’ Dim. ‘D’ Description MB 100SV + 1120 mm 1140 mm 440 mm 485 mm MJ3 VM MB 130SV + 1335 mm 1355 mm 440 mm 485 mm MJ3 VM Fig. 30 Model Dim. ‘H1’ Dim. ‘H2’ Dim. ‘W’ Dim. ‘D’ Description MB 200SV + 1280 mm 1300 mm 535 mm...
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Page 30: Trouble Shooting
Then press alarm mute button, alarm will stop. Remote alarm option A remote alarm option is available, the Charger unit would need to be ordered in advance pre-wired for this option. Please consult Stuart Turner. Attempting to change the Charger MJ3 wiring will invalidate the guarantee. -
Page 31: Warranty
YOUR WARRANTY Congratulations on purchasing a Stuart Turner Mainsboost Charger MJ3 system. We are confident this product will give you many years of trouble free service as all our products are manufactured to the very highest standard. The Mainboost Charger MJ3 pump and vessel are covered by a five year warranty. - Page 32 Signed ..........Stuart Turner are an approved company to BS EN ISO 9001:2015...