Related Manuals for Potterton NXR4i
Summary of Contents for Potterton NXR4i
- Page 1 August 2011 NXR4i Installation and Service Manual Working towards a cleaner future heating specialists...
- Page 2 The appliance complies with the standard model described in declaration of compliance . It is manufactured and distributed pursuant to the requirements of european directives. The original of the declaration of compliance is available from the manufacturer. NXR4i 09/06/2011 - 300025088-001-B...
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Page 3: Table Of Contents
Maintenance ...................20 09/06/2011 - 300025088-001-B NXR4i... - Page 4 Spare parts - NXR4i ........
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Page 5: Introduction
1.2.1 Manufacturer's liability The liability of Potterton as the manufacturer may not be invoked in the following cases: - Failure to abide by the instructions on using the appliance, - Faulty or insufficient maintenance of the appliance, - Failure to abide by the instructions on installing the appliance 1.2.2... -
Page 6: Homologations
The boilers and hot water tanks are designed and manufactured in accordance with the sound engineering practice, as requested in article 3.3 of the directive 97/23/EC, it is certified by compliance with the directives 90/396/EC, 92/42/EC, 2006/95/EC and 2004/108/EC. NXR4i 09/06/2011 - 300025088-001-B... -
Page 7: Safety Instructions And Recommendations
Do not stock chloride or fluoride compounds close to the appliance. Install the appliance in frost-free premises. Do not neglect to service the appliance: Contact a qualified professional or take out a maintenance contract for the annual servicing of the appliance. 09/06/2011 - 300025088-001-B NXR4i... -
Page 8: Recommendations
The appliance should be on Summer or Antrifreeze mode rather than switched off to guarantee the following functions: - Anti blocking of pumps - Frost protection - Protection against corrosion on domestic hot water tanks fitted with a titanium anode. NXR4i 09/06/2011 - 300025088-001-B... -
Page 9: Technical Description
3. Technical description 3 Technical description 3.1 General description The boilers of the NXR4i range are pressurised hot water boilers - Heating body in cast iron, designed for connecting to a flue pipe which require a separate - KSF ISR or KSF CE control panel automatic fuel-oil or gas burner. -
Page 10: Installation
Heating flow - weld - Intermediate section: 530 Heating return - weld Equivalent diameter (in mm): 573 Rp 2" draining outlet Sludge removal hole Rp 2" 1/2 - plugged Boiler type NXR4i-8 NXR4i-9 NXR4i-10 NXR4i-11 NXR4i-12 NXR4i-13 NXR4i-14 ø A (exterior) 2"... -
Page 11: Position Of The Boiler
4. Installation 4.3.2 Position of the boiler For the assembly and because of their design, NXR4i boilers require The dimensions (in mm) correspond to the minimum recommended no special base. Their closed furnace system means that the floor dimensions needed to ensure adequate accessibility around the need not have refractory properties. -
Page 12: Ventilation
(risk of refrigerant leakage), etc. • Do not stock such products close to the boilers. If the boiler and/or peripheral equipment are corroded by such chloride or fluoride compounds, the contractual guarantee cannot be applied. NXR4i 09/06/2011 - 300025088-001-B... -
Page 13: Example Of An Installation
The example of an installation shown below does not cover every possible configuration. Its sole aim is to draw your attention to the basic rules to be respected. NXR4i boiler with domestic hot water production using an independent tank. 20 9 L000047... -
Page 14: Hydraulic Connections
The first stage must be set to a minimum of 30% of the nominal stage. - Operation at modulated low temperature (minimum outlet temperature: 40°C) ; The first stage must be set to a minimum of 50% of the nominal stage. NXR4i 09/06/2011 - 300025088-001-B... -
Page 15: Safety Valve
(a) = kW Minimum safety valve flowrate must be 700 kg/h. (b) = lb/h (c) = MBtu/h (d) = Kg/h 4.5.5 Hydraulic connection of the water circuit for domestic use See: Domestic hot water calorifier instructions 09/06/2011 - 300025088-001-B NXR4i... -
Page 16: Chimney Connection
In order for the boiler to operate correctly, it is imperative to respect the draught at the nozzle (= 0). Please note that NXR4i boilers have pressurised and tight furnaces and that the pressure at the nozzle must not exceed 0 mbar, unless special sealing precautions have been taken, for instance in order to connect a static condenser/regenerator. -
Page 17: Fuel-Oil Or Gas Connections
Do not add cold water suddenly into the boiler when it is make sure that the filled system is free of air before the hot. burner is turned on. 09/06/2011 - 300025088-001-B NXR4i... -
Page 18: Commissioning
6.2 Precautions required if the heating is stopped when there is a risk of freezing We recommend the use of a correctly dosed antifreeze agent to prevent to the heating circuit from freezing. If this cannot be done, drain the system completely. NXR4i 09/06/2011 - 300025088-001-B... -
Page 19: Checking And Maintenance
The rating plate fixed on the side of the boiler during installation is Boiler type used to identify the boiler correctly and also provides the main specifications of the boiler. Manufacturing date Year of manufacture Week of manufacture Serial no. of the appliance 09/06/2011 - 300025088-001-B NXR4i... -
Page 20: Maintenance
- Unscrew the 4 closing nuts and open the furnace door. - Brush out the inside of the furnace. - Use a vacuum cleaner to remove any soot which has accumulated in the combustion chamber. - Close the door and replace the front panel. C003444-A NXR4i 09/06/2011 - 300025088-001-B... -
Page 21: Positioning Of The Baffle Plates
8229-0010 8229-0022 Follow the order of assembly shown in the diagram. The 8-figure part number of the baffle plate is cast in the metal. Boiler NXR4i-8 NXR4i-9 - NXR4i-10 NXR4i-11 NXR4i-12 NXR4i-13 - NXR4i-14 Upper flue ways First 8229-0010 then... -
Page 22: Cleaning The Flue Gas Box
- 5 l spray with separate reservoir, nozzle and connecting tube. The nozzles enable easy application at the back of the combustion chamber. Manual pressurisation of the reservoir. - Motor-assisted pressurisation spray with reservoir, nozzle and connecting tube. These sprays are intended for intensive use. NXR4i 09/06/2011 - 300025088-001-B... -
Page 23: Cleaning The Casing Material
7.4 Cleaning the casing material Use a soapy solution and a sponge only. Rinse with clean water and dry with chamois leather or a soft cloth. 7.5 Maintenance of the burner Refer to the instructions supplied with the burner. 09/06/2011 - 300025088-001-B NXR4i... -
Page 24: Spare Parts - Nxr4I
8 Spare parts - NXR4i To order a spare part, quote the reference number next to the part required 300025088-002-A Boiler body + Miscellaneous L000065 Interpart Brooks House - Coventry Road - WARWICK - CV34 4LL - 08706 000454 08706 000545... - Page 25 8. Spare parts - NXR4i Casing Insulating material for body 09/06/2011 - 300025088-001-B NXR4i...
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Page 26: Control Panels
8. Spare parts - NXR4i Control panels Refer to the Spare Parts list in the panel instructions. KSF-ISR control panel KSF-CE control panel NXR4i 09/06/2011 - 300025088-001-B... - Page 27 8. Spare parts - NXR4i Markers Code no. Description Markers Code no. Description Boiler body + Accessories 9755-0259 Furnace door guard Base frame 9755-0260 Furnace door insulation 300010442 Complete frame 8 sections 8229-0020 Added hinge 300010443 Complete frame 9-10 sections...
- Page 28 8. Spare parts - NXR4i Markers Code no. Description Markers Code no. Description 8229-4015 Boiler body insulation, width 520 mm 8229-8823 Complete cable way, left, NXR4-12 8229-4018 Insulating material for body - Length 600 mm 8229-8824 Complete cable way, left, NXR4-13...
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Page 29: Warranty Terms
Sub-assemblies such as motors, pumps, electric valves etc. are guaranteed only if they have never been dismantled. 09/06/2011 - 300025088-001-B NXR4i... - Page 30 . Warranty NXR4i 09/06/2011 - 300025088-001-B...
- Page 31 . Warranty 09/06/2011 - 300025088-001-B NXR4i...
- Page 32 Our service organisation covers the whole of the UK to look after Spares your needs for all Potterton Commercial products. Our service office offers a wide range of specialised services Potterton Commercial spares are available nationwide including: through the interpart network of approved stockists.