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PRE-PLUMBED UNVENTED MAINS PRESSURE WATER HEATER
120, 150, 170, 210, 250 and 300 LITRE CAPACITY INDIRECT MODELS
INSTALLATION AND SERVICING INSTRUCTIONS
IMPORTANT: PLEASE READ AND UNDERSTAND THESE INSTRUCTIONS
BEFORE COMMENCING INSTALLATION. PLEASE LEAVE THIS MANUAL
WITH THE CUSTOMER FOR FUTURE REFERENCE.
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Summary of Contents for Santon Premier Plus 120
- Page 1 PRE-PLUMBED UNVENTED MAINS PRESSURE WATER HEATER 120, 150, 170, 210, 250 and 300 LITRE CAPACITY INDIRECT MODELS INSTALLATION AND SERVICING INSTRUCTIONS IMPORTANT: PLEASE READ AND UNDERSTAND THESE INSTRUCTIONS BEFORE COMMENCING INSTALLATION. PLEASE LEAVE THIS MANUAL WITH THE CUSTOMER FOR FUTURE REFERENCE.
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Page 2: Table Of Contents
CONTENTS INTRODUCTION ..........................3 GENERAL REQUIREMENTS........................4 INSTALLATION – GENERAL........................9 INSTALLATION - DISCHARGE ......................12 INSTALLATION - PRIMARY CIRCUIT ....................15 COMMISSIONING ..........................18 MAINTENANCE ..........................19 USER INSTRUCTIONS .........................20 FAULT FINDING & SERVICING ......................22 SPARE PARTS ............................23 GUARANTEE ............................25 ENVIROMENTAL INFORMATION......................25 COMMISSIONING CHECK LIST ......................26 SERVICE RECORD ..........................27 TECHNICAL SUPPORT ........................28 THE BENCHMARK SCHEME... -
Page 3: Introduction
INTRODUCTION The PremierPlus SystemFit is a factory pre-plumbed and wired PremierPlus unvented water heater. The PremierPlus SystemFit is manufactured in the UK from top quality materials and meets all the latest relevant safety and constructional standards. The high grade Duplex stainless steel cylinder offers exceptional strength and corrosion resistance which is backed by a 30 year guarantee (see terms and conditions on page 25). -
Page 4: General Requirements
GENERAL REQUIREMENTS IMPORTANT: 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 SUPERVISORY OR INSTRUCTION CONCERNING USE OF THE APPLIANCE IN A SAFE WAY AND UNDERSTAND THE HAZARDS INVOLVED. - Page 5 OUTLET/TERMINAL FITTINGS (TAPS, ETC.) The PremierPlus SystemFit can be used in conjunction with most types of terminal fittings, plumbing fittings and pipework. However, the rated pressures of any fittings selected should be checked for compatibility before installation. NOTE: Accessories, plumbing fittings and pipework should have a rated operating pressure of at least 6 bar. Outlets situated higher than the PremierPlus SystemFit unit will give outlet pressures lower than that at the heater, a 10m height difference will result in a 1 bar pressure reduction at the outlet fitting.
- Page 6 Fig 1 - General Dimensions Dashed line denotes minimum space requirement Pipework layout will vary by model Table 2 - Dimensions and Performance DIMENSIONS (mm) COIL HEATING NOMINAL HOT WATER TIME IMM HEAT CAPACITY RATING DRAW-OFF HEATER UP TIME (litres) (kW) (litres) TO (mins)
- Page 7 Danfoss TP9000 Programmable thermostat with timed Domestic Hot Water (DHW) control: Programmer dimensions: 135mm (W) x 88mm (H) x 32mm (D) Room temperature sensor dimensions: 60mm (W) x 45mm (H) x 21mm (D) Power supply: 220V/240V ac, 50Hz Switch action 2 x SPDT, Type 1B. Switch rating 220/240V ac, 50/60Hz, 3(1)A Power reserve: Minimum 24 hours Memory back up retained for life of product Enclosure rating: IP30...
- Page 8 Primary circulating pump: Model No: Grundfos Working pressure: 1 MPa (10 bar) max. Voltage rating: 230V ac, 50Hz Starting capacitor: 2µF Enclosure rating: IP42 Graph 2 - Pump performance curves Electrical data SPEED SPEED INPUT FULL LOAD LOCKED ROTOR SETTING R.P.M.
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Page 9: Installation - General
INSTALLATION – GENERAL PIPE FITTINGS The connection points to the heating system are in 22mm copper pipe on 120, 150, 170 and 210 litre units. On units 250 litres and above the primary flow connection is 28mm, the flow connections to central heating (CH) zones 22mm and the domestic hot water (DHW) return connection 22mm copper pipe. - Page 10 Under no circumstances should the factory fitted temperature/pressure relief valve be removed other than by authorised Santon personnel. To do so will invalidate any guarantee or claim. ii) The cold water combination valve must be fitted to the mains water supply to the PremierPlus SystemFit unit.
- Page 11 Fig 5 - Schematic installation diagram showing pressure reducing valve, pressure relief valve and positioning of cold balance draw off.
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Page 12: Installation - Discharge
INSTALLATION - DISCHARGE It is a requirement of Building Regulation G3 that any discharge from an unvented system is conveyed to where it is visible, but will not cause danger to persons in or about the building. The tundish and discharge pipes should be fitted in accordance with the requirements and guidance notes of Building Regulation G3. - Page 13 Note: An alternative approach for sizing discharge pipes would be to follow Annex D, section D.2 of BS 6700:2006 Specification for design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages. 3.59 Where a single common discharge pipe serves more than one system, it should be at least one pipe size larger than the largest individual discharge pipe(D2) to be connected.
- Page 14 Table 3 - Sizing of copper discharge pipe (D2) for common temperature relief valve outlet sizes MAXIMUM RESISTANCE MINIMUM SIZE ALLOWED, RESISTANCE MINIMUM SIZE VALVE OUTLET OF DISCHARGE EXPRESSED AS CREATED BY OF DISCHARGE SIZE PIPE D2 FROM A LENGTH OF EACH ELBOW OR PIPE D1 TUNDISH...
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Page 15: Installation - Primary Circuit
INSTALLATION - PRIMARY CIRCUIT BOILER SELECTION • The PremierPlus SystemFit models are suitable for use with most gas, oil fired or electric boilers compatible with unvented systems i.e. fitted with a temperature control thermostat and thermal cut-out. • If in doubt consult the boiler manufacturer. •... - Page 16 PROGRAMMER AND ROOM TEMPERATURE SENSOR The programmer and room temperature sensor are supplied loose such that they can be installed at a convenient location within the property. These items are supplied with their own installation and user instruction leaflet which should be referred to for details of mounting, wiring and programming.
- Page 17 4. THE 22MM MOTORISED VALVES DO NOT HAVE A WHITE WIRE 5. THE ABOVE DIAGRAM IS FOR GUIDANCE ONLY, SANTON ACCEPT NO LIABILITY FOR ANY LOSS OR DAMAGE ARISING FROM ANY ERRORS OR OMISSIONS THAT MAY BE INADVERTENTLY CONTAINED WITHIN THIS DIAGRAM. THE VARIOUS EQUIPMENT...
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Page 18: Commissioning
COMMISSIONING At the time of commissioning, please ensure all relevant sections of the Benchmark Checklist, (Pages 26 and 27) of this document are completed. FILLING THE UNIT WITH WATER • Check expansion vessel pre-charge pressure. The vessel is supplied precharged to 3.5 bar to match the control pressure of the pressure reducing valve. -
Page 19: Maintenance
NOTE: it may be necessary to cool the PremierPlus SystemFit down to allow the indirect thermostat to call for heat, it may also be necessary to increase the required room temperature setting if the room temperature has already reached that programmed. The pump should run and the boiler fire (both a tap symbol and a flame symbol should appear in the controller display). -
Page 20: User Instructions
IMMERSION HEATER REMOVAL Open the cover(s) to the immersion heater housing(s) and disconnect wiring from immersion heater thermostat(s). Remove thermostat capillary sensors from the pockets on the immersion heater. Unscrew immersion heater backnut(s) and remove immersion heater from the unit. A key spanner is supplied with the cylinder unit for easy removal/tightening of the backnut(s). Over time, the immersion heater gasket may become stuck to the mating surface. - Page 21 TEMPERATURE CONTROLS IMMERSION HEATER(S) A combined adjustable thermostat and thermal cut-out is provided for each immersion heater. The thermostat is factory set to give a water storage temperature of approx. 55° to 60°C. Access to the thermostat can be made by opening the immersion heater cover - DISCONNECT THE ELECTRICAL SUPPLY BEFORE OPENING THE COVER(S).
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Page 22: Fault Finding & Servicing
• Servicing should only be carried out by competent persons in the installation and maintenance of unvented water heating systems. • Any spare parts used MUST be authorised Santon parts. • Disconnect the electrical supply before removing any electrical equipment covers. -
Page 23: Spare Parts
Table 5 - Spares list A full range of spare parts are available for the PremierPlus SystemFit range. Refer to the Technical Data label on the unit to identify the model installed and ensure the correct part is ordered. DESCRIPTION PART NO. - Page 24 Fig 9 - Spares Diagram Fig 10 - Pressure Reducing valve 3.5 bar Fig 11 - Element spares Cold Mains Connection (22mm) Outlet Connection (22mm)
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Page 25: Guarantee
Regular maintenance has been carried out by a competent person in accordance with the requirements set out in the maintenance section of the installation manual and any replacement parts used should be authorised Santon spare parts. Annual services are available from heateam, the service division of Santon. Please contact heateam on Tel: 0844 871 1530 for further details. -
Page 28: Technical Support
Tel: 01454 620500 Alternatively contact your local supplying merchant or wholesale branch. The policy of Santon is one of continuous product development and, as such, we reserve the right to change specifications and guarantee terms and conditions without notice. Customer Service...
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