Related Manuals for Baxi 300i
Summary of Contents for Baxi 300i
- Page 1 Baxi Unvented Direct & Indirect Hot Water Cylinders Important Please read & understand all 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 1. Introduction 1.1 General 1.2 Symbols used 1.3 Abbreviations 1.4 Liabilities 2. Safety 2.1 General safety warning 3. Technical specifications 4. Description of the product 4.1 General description 4.2 Operation principle 4.3 Main components 4.4 Standard delivery 4.5 Storage and Handling 5. -
Page 3: Introduction
1. Introduction Our liability as the manufacturer may not be invoked in the following cases: 1.1 General Failure to abide by the instructions on using the The following instructions are offered as a guide to the appliance. user and installer. Faulty or insufficient maintenance of the appliance. -
Page 4: Safety
DANGER - Water may drip from the discharge pipe of the pressure-relief device and this pipe must be left This cylinder is unvented and as such open to the atmosphere; (see page 18 for more becomes pressurised when in operation. The details) combination of pressurisation and hot water -the pressure-relief device is to be operated... -
Page 5: Technical Specifications
90°C +/- 5°C/1.0 MPa (10 Bar) 95605209 T&P Part number Immersion heater electrical rating 3.0 kW@240V/2.8kW@230V ~ ErP Data Model(s) 125i 140i 170i 210i 300i Energy efficiency class Standing loss W 53.3 57.9 66.7 75.8 76.7 93.3 Storage volume V in Litres Notes: 1: at 3 bar water inlet pressure the cylinder is filled with the maximum amount of water. - Page 6 Table 2: Technical data - Direct Cylinders Technical parameters in accordance with European Commission regulations 814/2013 and 812/2013 Max direct kW rating Immersion heat up times (Btm immersion, 3kW) Immersion heat up times (Top immersion, 3 kW) Immersion heat up times (Both immersions, 6kW) Heat loss (kWh/24hrs) 1.29...
- Page 7 General information: Outer casing White pre-coated corrosion protected steel body shell. Polypropylene top and base mouldings. ABS electrical controls housings and enclosures. Water container Duplex stainless steel. 100% pressure tested to 1.6MPa (16 bar). Connections Pipe connections accept 22mm outside diameter pipe (compression nuts and olives supplied).
- Page 8 Figure 1: General dimensions - Direct models 30° 32° Table 3: Dimensions Direct Cylinders Size DIMENSIONS (mm) 1131 1258 1008 1414 1084 1516 1110 1309 1767 1413 1574 2081 Figure 2: General dimensions - Indirect models 30° 27° 37° 47° 32°...
- Page 9 Figure 3: Schematic installation details BALANCED COLD WATER 3 BAR PRESSURE CONNECTION (IF REQUIRED) REDUCING VALVE TO HOT OUTLET STOP COCK (IF USED IN THIS POSITION) MAINS WATER SUPPLY 8 BAR PRESSURE RELIEF VALVE Back flow prevention Device (if fitted) T&P VALVE NOTE: TUNDISH...
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Page 10: Description Of The Product
4.5 Storage and Handling 4. Description of the product If the unit is to be stored before installation it must be 4.1 General description placed upright on a secure, level surface and be in a dry, frost free environment. The support surface must This appliance is a purpose designed unvented water be capable of supporting the packaged weight of the heater. - Page 11 Figure 4: Typical system installation schematic (not to scale)
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Page 12: Before Installation
Ascending spray type bidets or any other class 1 5. Before installation back syphonage risk requiring that a type A air gap be employed. 5.1 Installation regulations Steam heating plants unless additional and appropriate safety devices are installed. Situations where maintenance is likely to be WARNING neglected or safety devices tampered with. -
Page 13: Installation
The Cold Water Inlet Control kit supplied 6. Installation incorporates a full flow isolating valve which will enable the appliance to be isolated from the mains 6.1 General supply for maintenance or servicing. The location of the unit should allow access to the After reading the previous sections in this booklet and T&P Relief valve to allow re-charging of the internal choosing a suitable location for the appliance please... - Page 14 Cold water control pack CAUTION IMPORTANT INSTALLATION NOTE: WHERE THE INLET SUPPLY TO THE PRESSURE Flush supply pipework before REDUCING VALVE (PRV) IS ROUTED THROUGH connection to remove all flux and A HEATED SPACE AND IS FITTED WITH A CHECK debris prior to fitting the inlet controls.
- Page 15 In direct electric installations where a secondary Secondary circulation circulation is required particular attention should be If secondary circulation is required it is recommended paid by the installer to maintain the returning water that it be connected to the cylinder as shown (see Fig. temperature (guidelines state that a minimum of 55°C return temperature is advisable).
- Page 16 Discharge between the valve outlet and the tundish (see Fig. 9, page 18). It is a requirement of Building Regulation G3 that any discharge from an unvented system is conveyed to Note: To comply with the Water Supply (Water Fittings) where it is visible, but will not cause danger to persons in Regulations, the tundish should incorporate a suitable or about the building.
- Page 17 Worked example of discharge pipe sizing (a) contain a mechanical seal, not incorporating a water trap, which allows water into the branch pipe Fig. 9: shows a G1/2 temperature relief valve with a without allowing foul air from the drain to be ventilated discharge pipe (D2) having 4 No.
- Page 18 Table 5: Sizing of copper discharge pipe (D2) for common temperature relief valve outlet sizes Maximum Resistance Minimum Size Of Minimum Size Of Resistance Valve Allowed, Expressed As A Discharge Pipe Discharge Pipe D2 Created By Each Outlet Size Length Of Straight Pipe From Tundish Elbow Or Bend (I.E.
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Page 19: Electrical Connections
6.3 Electrical connections indicated on Fig. 10 until cover comes away freely. Where the cylinders are fitted with two immersion heaters. Each immersion heater is rated 3kW at In case of difficulty, customer service contact details 240V ~ 1ph. are available on page 40 of this manual. The immersion heater(s) should be wired in accordance with Fig. - Page 20 Figure 12: Thermostat adjustment SPINDLE POSITIONS THERMAL CUT-OUT RESET BUTTON = MINIMUM TEMP = MAXIMUM TEMP 70°C = APPROX 57 °C ROTATE SPINDLE CLOCKWISE FOR TEMPERATURE INCREASE AND COUNTER CLOCKWISE FOR TEMPERATURE DECREASE TEMPERATURE ADJUSTING SPINDLE INDIRECT models VV-F sheathed cable and must be routed through the right hand cable entry port provided, with the The indirect controls and back-up immersion heater outer sheath of the cable firmly secured using the...
- Page 21 5. DO NOT MOUNT WIRING CENTRE ON CYLINDER. 6. THE ABOVE DIAGRAM IS FOR GUIDANCE ONLY, BAXI 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 MANUFACTURERS SHOULD BE CONSULTED TO CONFIRM THE...
- Page 22 WARNING Should the cylinder be used in conjunction with a boiler or external controls that control the water temperature via a sensor connected to the cylinder, it should be noted that the factory fitted indirect thermostat and thermal cut-out MUST NOT be disconnected or bypassed.
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Page 23: Commissioning
Indirect units 7. Commissioning Fill the indirect (primary) circuit following the boiler manufacturer’s commissioning instructions. 7.1 General To ensure the cylinder primary heat exchanger is filled, the 2 port motorised valve (supplied) should After filling the installation with water in the previous be manually opened by moving the lever on the section please follow the following steps to complete motor housing to the MANUAL setting. -
Page 24: Operation
Temperature adjustment is made by rotating the 8. Operation adjustment spindle on the top of the thermostat. The adjustment represents a temperature range of 8.1 General 10°C to 70°C (see Fig. 12, page 20 for method of adjustment). Maximum working temperature is 70°C. WARNING The boiler thermostat and thermal cut-out must be wired in series with the 2 port motorised zone... -
Page 25: Maintenance
Replace the strainer and screw the Pressure 9. Maintenance Reducing Valve cartridge into the moulded housing. Close hot tap, turn on isolating valve or main stop 9.1 General cock to the system. Check for leaks. Maintenance requirements Descaling immersion heater(s) Only competent persons having received adequate training are permitted to work on the appliance and CAUTION... - Page 26 The air volume will be automatically recharged as the unit refills. If after following the above actions water still discharges from the expansion relief valve, further advice should be sought from a competent installer or the Baxi service department.
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Page 27: Troubleshooting
After servicing, complete the relevant Service 10. Troubleshooting Interval Record section of the Benchmark Checklist located on page 35 of this document. Any spare parts used MUST be authorised parts. WARNING Disconnect the electrical supply before removing any electrical equipment covers. Do not tamper with any of the safety valves NEVER bypass any thermal controls or operate or controls supplied with the cylinder as this... -
Page 28: Decommissioning
11. Decommissioning 11.1 Decommissioning procedure Isolate electrical supplies and make safe Isolate the water supply Drain the appliance Drain the primary circuit (indirect only) Remove appliance Cap pipework Environmental information Products are manufactured from many recyclable materials. At the end of their useful life they should be disposed of at a Local Authority Recycling Centre in order to realise the full environmental benefits. -
Page 29: Spare Parts
12. Spare parts 12.1 Spare parts list A full range of spare parts are available for the Baxi cylinder range. Refer to the Technical Data label on the unit to identify the model installed and ensure the correct part is ordered. - Page 30 Table 8: Spare parts list - Direct Item Description Part number IMMERSION HEATER GASKET 7702935 T & P VALVE 90DEG C/10BAR 95605209 DIRECT COMBINED THERMOSTAT / THERMAL CUT-OUT 7031688 DIRECT MOUNTING PLATE - COMBINED THERMOSTAT / THERMAL CUT-OUT 95607929 3 WAY TERMINAL BLOCK 7034185 INDIRECT ELEMENT - INCOLOY (BENT, LOWER) 95606984...
- Page 31 Figure 16: Pressure Reducing Valve exploded view Pressure Reducing Valve Cartridge (3 Bar) Strainer Mesh 3 Bar Pressure Reducing Valve - Complete PRV WARNING: IF THERE IS AN UPSTREAM CHECK VALVE OR FITTING WHICH MAY PREVENT BACKFLOW THEN HIGH PRESSURES CAN BE EXPERIENCED DUE TO AMBIENT TEMPERATURES WHICH CAN CAUSE DAMAGE TO THE VALVES AND FITTINGS Figure 17: Pressure Reducing Valve exploded view Expansion Relief Cartridge...
- Page 32 Figure 19: Indirect controls - exploded view...
- Page 33 Figure 20: Direct controls - exploded view...
- Page 34 Spares Stockists Parts Center Tel: 0845 270 9800 www.partscenter.co.uk Advanced Water Co.Ltd. Unit D5 Enterprise Way Newey & Eyre Vale Park, Evesham Unit 3-5 Wassage Way Worcs WR11 1GS Hampton Lovett Ind. Estate Tel: 01386 760066 Droitwich, Worcestershire WR9 0NX Fax: 01386 760077 Tel: 01905 791500 Fax: 01905 791501...
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Page 35: Benchmark Checklist
Benchmark checklist... -
Page 36: Commissioning & Service Records
Commissioning & service records... -
Page 37: Warranty
• Failure to comply with installation instructions (whether oral or in writing), • The Baxi product and any part or parts of the Baxi product (whether factory fitted or otherwise) have not been repaired or replaced other than by a Baxi Customer •... - Page 38 Baxi 25 year warranty is the period during which the first owner of the Baxi or a new build home continues to own the property. Should the property be sold, the new owner and any subsequent owners will receive a 25 year warranty from the date the original owner purchased the Baxi or a new home with a Baxi installed.
- Page 39 NOTES:...
- Page 40 Customer service Telephone: 0344 8711535 Heatrae Sadia E-mail: heatrae.bcs@baxi.co.uk Brooks House, Coventry Road, Warwick, CV34 4LL Important notice to installations outside of the UK. References to legislation, legal requirements, regulations, building regulations benchmark, spares stockists, guarantees and warranty are ONLY APPLICABLE WITHIN THE UK.