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STUART
Installation, Operation & Maintenance
Instructions
Please leave this instruction booklet with the end user as it contains
important guarantee, maintenance and safety information
Read this manual carefully before commencing installation.
This manual covers the following products:
SPU 130 Mini
Pt. No. 46719
SPU 230 Mini
Pt. No. 46720
CE compliant product
2
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Summary of Contents for Stuart Turner Stuart SPU 130 Mini
- Page 1 STUART Installation, Operation & Maintenance Instructions Please leave this instruction booklet with the end user as it contains important guarantee, maintenance and safety information Read this manual carefully before commencing installation. This manual covers the following products: SPU 130 Mini SPU 230 Mini Pt.
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Page 2: Table Of Contents
PRODUCT DESCRIPTION Heating and cooling system pressurisation top up unit with integral water storage tank and electric solenoid piston pump, automated control system consisting of pressure transducer and water level switch. The tank includes an AB air gap for category 5 fluid isolation (BS EN 1717). - Page 3 WARNINGS This appliance 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 experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the...
- Page 4 Please read installation details carefully as they are intended to ensure this product provides long, trouble free service. Failure to install the unit in accordance with the installation instructions will lead to invalidation of the warranty. Cont ... - 4 -...
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Page 5: Checklist
CHECKLIST IMPORTANT: With the appliance 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. Electrical Front cover removed for clarity rating plate & serial number Fig. -
Page 6: Important Facts - Read Before Commencing Installation
1 IMPORTANT FACTS: READ BEFORE COMMENCING PUMP INSTALLATION A Water storage capacity. 1.11 The SPU Mini has a usable water volume of approximately 2 litres; the length of time the SPU takes to pressurise a system will be dependent on:- The pressure differential between the cold fill and set pressures and also the refill rate of the tank 1.12 Ensure the pumps are primed as described in the priming section before... -
Page 7: Location
2 LOCATION - GENERAL 2.11 Location: The SPU Mini must be located on a solid wall of sufficient strength to support the filled weight of the SPU Mini, close to the water source and a suitable overflow position (see Section 10 - Technical Specification for filled weight). - Page 8 SPU Mini that any noise is not amplified through loose panels or pipework. 2.21 Flexible hose: Only use the Stuart Turner hose supplied with the SPU Mini. 2.22 Isolating valves: Separate system isolating valves (non-restrictive) must be fitted to allow easy service of the SPU Mini.
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Page 9: Key Features
3. Outlet manifold - Brass manifold with pressure transducer used to monitor system pressure and connection to the pump(s) 4. Programmable controller - Stuart Turner designed, user set controller, allowing system set up and easy alarm connection. 5. Wall mounting plate - Robust stainless steel wall mounting plate allowing quick, easy installation and removal if needed. -
Page 10: Installation
4 INSTALLATION 4.11 Fill valve flow restrictor guidelines: Ensure side entry fill valve is fitted with the correct filter and flow restrictor combination (dependant on the mains water pressure) into the G ½ threaded tail as outlined below: Coloured insert - To be used for water pressure between 1 and 4 bar White insert - The SPU Mini is pre fitted with the white high pressure insert. - Page 11 5. Retain the SPU Mini to the wall mounting plate using the single M6 retaining screw at the top of the wall plate. Fig. 6 6. Fit the plastic cover by pressing as indicated below with the palm of the hand as until the Dual Lock is heard to ‘click’.
- Page 12 4.14 Pipework connections & guidelines: 1. Before connecting the SPU Mini to the system ensure that system flushing has been performed correctly and all foreign matter, including pipe scale, has been removed. Note: Foreign material from the system coming into contact with the expansion vessel bladder could cause premature failure of the expansion vessel.
- Page 13 6. The flexible hose and any wiring can be retained in the desired position using cable ties and the two metal cable retention points on the top left and right of the SPU tank. See Figs. 8 & 9. 7. The warning pipe should be connected to a suitable drain via a tundish enabling visual warning of an overflow condition.
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Page 14: Electrical Installation
5 ELECTRICAL INSTALLATION / EARTHING 5.11 Regulations: The electrical installation must be carried out in accordance with the current national electrical regulations and installed by a qualified person. 5.12 Safety: In the interests of electrical safety a 30 mA residual current device (R.C.D. - Page 15 5.21 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: The wire which is coloured green and yellow must be connected to the...
- Page 16 5.23 Boiler interlock connections: The circuit connected to the relay is limited to 5 Amps, 230 V a.c. maximum. The Installer MUST fit a 5 Amp fuse in the circuit to the alarm relay to protect the SPU Mini from damage. Boiler Interlock Fig.
- Page 17 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. On disassembly note the cord retention and routing system. Re-assemble to the same pattern.
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Page 18: Commissioning
6 COMMISSIONING 6.11 Pre-commissioning checklist: Before starting the commissioning process the following conditions must be met. If these conditions are not adhered to, damage to the equipment, system and property may result. Ensure the unit is sited in a frost free area, away from precipitation and water sprays/jets. - Page 19 6.15 Controller overview The Stuart Turner SPU controller is designed to be intuitive to use and allows functions and alarms to be set by the installer/user. The functions are set using the 3 buttons (A, B, & C) on the front of the controller and with the help of on screen prompts via the back lit LCD display.
- Page 20 6.16 Function list & explanation The functions are contained within an initial display and a settings menu. 6.17 Initial display On start up, and during normal operation, if the SPU has had no button inputs for 1 minute, the system pressure will be displayed (see Section 7.11). 6.18 Setting of SPU Mini see Fig.
- Page 21 Open the isolation valve on the outlet of the SPU and the SPU will run and start to top the system up. 6.21 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.
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Page 22: Operation
7 OPERATION 7.11 Normal operation: The ‘Home’ screen will display the status of the system pressure. Fig. 21 A green ‘Power on’ light will be displayed on the front of the SPU. During normal operation the SPU will monitor the system pressure and re- pressurise the system if the system pressure drops below the system pressure - differential pressure. -
Page 23: Maintenance
The SPU Mini is designed and built to be a reliable and high quality product, in the event of spares being required please see the Stuart Turner website for full details www.stuart-turner.co.uk or contact TechAssist on +44 (0) 800 31 969 80. -
Page 24: Environment Protection
8.15 Restart To ensure the SPU Mini is in good working order after a prolonged period of maintainance the following steps should be taken. 1. Inspect the SPU Mini for signs of damage. 2. Check SPU Mini tank for debris, remove debris and clean tank if needed. Debris may cause damage to the pumps if it is allowed to be drawn in. -
Page 25: Technical Specification
Filled weight 6.6 Kg 7.2 Kg Stuart Turner reserve the right to amend the specification without notice. 10.11 Noise: The equivalent continuous A-weighted sound pressure level at a distance of 1 metre from the pump does not exceed 70 dB(A). -
Page 26: Trouble Shooting
Remove pressure from the SPU outlet and verify the displayed fault pressure is 0 bar. Er will be displayed if the sensor signal is outside parameters. (Replace sensor - call Stuart Turner). Pump(s) will not System pressure set System set pressure is set higher than the pump performance... -
Page 27: Product Log
12 PRODUCT LOG 12.11 Customer details Customer/company name Site address Date 12.12 Equipment details System volume m Expansion vessel(s) fitted & pre- charge pressure Boiler(s) fitted 12.13 Commissioning record Date commissioned Company Engineer System set pressure Differential pressure Hi alarm set pressure Lo alarm set pressure 12.14 Service Log Service No. - Page 28 Service No. 2 Date Engineer name Company name Tel. No System pressure bar Differential pressure bar Check 6 months 12 months Condition of wiring ü ü Condition of hoses ü ü Evidence of leakage ü ü Test pump operation ü ü...
- Page 29 Service No. 4 Date Engineer name Company name Tel. No System pressure bar Differential pressure bar Check 6 months 12 months Condition of wiring ü ü Condition of hoses ü ü Evidence of leakage ü ü Test pump operation ü ü...
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Page 30: Guarantee
+44 (0) 800 31 969 80 You should obtain appropriate insurance cover for any loss or damage which is not covered by Stuart Turner Ltd in this provision. Please record here for your records. TYPE NO. SERIAL NO. - Page 31 - 31 -...
- Page 32 Signed ..........Stuart Turner are an approved company to BS EN ISO 9001:2015...
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