1.4 HWA Charter 1. Introduction 1.1 General The following instructions are offered as a guide to the user and installer. The installation must be carried out by a competent plumbing and electrical installer in accordance with Building Regulations, The Building Standards (Scotland) Regulations 1990, The Building Regulations The HWA Charter Code of Practice requires that, all (Northern Ireland), UK Water Regulations and IEE...
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1.6 Liabilities This appliance can be used by children aged from 8 years and above and persons with Manufacturers liability reduced physical sensory or mental capabilities Our products are manufactured in compliance with or lack of experience and knowledge if they the requirements of the various applicable European have been given supervision or instruction Directives.
2.3 Specific safety instructions 2. Safety 2.1 General safety warnings CAUTION Ensure the drain valve is covered DANGER securely with the supplied cap to ensure accidental use does not occur. The hot water contained could lead to serious physical injury if the safety instructions in this manual are not adhered to.
3. Technical specifications 3.1 Technical data Product Name R 25 PLUS 3KW R 45 PLUS 3KW R 70 PLUS 3KW R 120 PLUS 3KW Product Code 94040010 94040011 94040012 94040013 Electrical Rating 2.8kW at 230V 2.8kW at 230V 2.8kW at 230V 2.8kW at 230V...
the unit fail. This must be vented to a suitable and safe 4. Description of the product location, preferably an outside wall. 4.1 General description 4.2 Operation principle These water heaters are a series of wall mounted units All the unit sizes produce DHW in the same way, by that store and produce domestic hot water efficiently.
the heater returns to the correct level in a controlled 4.2.3.3 Fault Condition Indication manner. In the unlikely event that a fault with the water heater develops an error code is displayed on the control 4.2.3 Electronic Control PCB at the bottom of the unit. This is intended to aid All heater functionality is controlled electronically which fault analysis and helps to reduce the heater downtime allows the following additional features to be supported:...
will be experienced. All exposed pipe work should be 5. Before installation insulated. 5.1 Installation regulations The breather pipe work from the top of the unit should have a continuous fall, and ideally vent to an outside wall in a safe manner via the tundish supplied. WARNING Access to associated controls must be available for the servicing and maintenance of the system, the heater...
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Figure 6: Clearance diagram R 25L PLUS R 45L PLUS R 70L PLUS R 120L PLUS 1221 1020 Table 5: Clearance dimensions...
6.1.2 Water Connections 6. Installation The unit is supplied with the following connections: Cold water inlet – 15mm push fit connector 6.1 General Hot water outlet – 22mm open end pipe Breather pipe - 22mm open end pipe (Initial After reading sections 1 - 5 in this booklet please Breather Pipe with tundish supplied in kit) install the unit paying attention to the following water connection, electrical and commissioning sections.
The wall bracket has several mounting points. If the water heater being installed is a direct replacement for CAUTION either an existing Heatrae Sadia FBM or Santon R Unit of the same capacity, then the wall mounting points The wall bracket is supplied within the used by these existing water heaters will align with the packaging at the top.
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6.2.1 Wall fixing procedure top bracket washers. The fixing bracket is required to be fitted to the water heater. Lay the water heater down on a If the unit being fitted is a direct replacement for an flat surface, face down, ensuring that the heater is existing Heatrae or Santon product of the same protected from any potential damage.
10 bar is required. If the measured inlet pressure exceeds this value then a pressure reducing valve must be fitted, this is available through Heatrae Sadia's supply partners. WARNING All pipe work must be installed by a competent Installer and must comply with the following.
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6.3.2 Hot Water Outlet WARNING An open ended 22mm pipe is provided at the bottom of the water heater for connection of the hot The water heater must be connected to water outlet. Using a compression fitting connect a 230/240Va.c. electrical supply using a this outlet pipe to the hot water feed to the service double pole isolating switch fused at 13A, points.
7. Commissioning WARNING 7.1 General If this does not happen and the water heater continues to fill and water is seen in After the initial installation is complete instigate the the Tundish, turn off the water supply and following commission process. the electrical power immediately, refer to section 10, troubleshoot page 25.
8. Operation 8.1 General Please note that this product has been designed to make the operation of the unit and its subsequent generation of hot water as simple for the end user as possible. The factory settings that the unit is delivered with are suitable for most installations.
Remove the access panel from the bottom of the 9. Maintenance heater. Ensure that the drain tap is closed, remove the cap 9.1 General from the drain valve Using a ¾ BSP female hose adaptor fitted to a 9.1.1 Maintenance requirements suitable length of hose, connect to the drain valve.
Re-connect the two earth wires that are connected to the copper pipe work. Carryout final inspections to check that all parts removed are correctly fitted and all electrical wires are re-instated. 9.4 Routine inspection & maintenance operations – Water Sensor Inspection WARNING Due to a build up of scale and the temperature of the tank the sensors may be...
Turn the sensor clockwise until it cannot move any Remove all wiring that is connected to the further, now pull the sensor out of its housing. If this immersion, see drawings below, any screws, nuts is difficult to do, it may be necessary to exert a little or washers must be kept safe for reuse later.
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Remove the earth wires from the immersion heater plate being careful not to lose nuts and washers, WARNING retain these in a safe location for reuse. When removing the immersion heater there will be a small amount of water still inside the tank, during removal of the immersion heater this water will escape.
smallest tube and that of the ECO is correctly fully inserted in its stat tube, largest pocket, using Dow Corning heatsink compound 340 or suitable alternative. 9.6 Routine inspection & maintenance CAUTION It is important that any work carried out on this unit is done by a competent engineer who is familiar with and understands the design of the system.
10. Troubleshooting 10.1 Fault Finding The fault finding table below will enable operational faults to be identified and their possible causes rectified. If a fault code is displayed on the controller refer to the fault codes in table 10 on pages 26 and 27 for details. Fault Possible cause Remedy...
10.2 Fault codes In all error conditions listed below the water heater will shut down into a safe condition, will not open the All Error Codes must only be cleared once the solenoid valve or apply voltage to the immersion heater. problem has been resolved and the water heater has However, the water heater will remain with power applied.
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Fault / error code Fault Cause of fault Remedy Lower water sensor is Remove and clean sensor contaminated with scale in accordance with section E3 indicates that the lower build up 9.4, page 21 water level sensor is not indicating water present, but the upper sensor is Check wiring connections Lower sensor wiring fault...
11. Decommissioning 11.1 Decommissioning procedure Isolate electrical supplies and make safe Disconnect all wiring Isolate the water supply Drain the unit Disconnect the unit Remove the unit Cap pipe work 11.2 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.
12. Spares Description Part Number M5 x 10mm security screw 7034209 Sensor cover (white) 7034160 M12 x 60mm hex head bolt 7034224 M12 x 20mm hex head bolt 7034153 M12 shake proof washer 7034154 Sensor Assembly 7034170 Unit bracket 25L 7034179 Unit bracket 45L, 70L and 120L 7034181...
Within 60 days of installation the user completes and returns the certificate supplied along with the proof of purchase to register the product. The Heatrae Sadia R PLUS product has not been modified in any way other than by Heatrae Sadia or Heatrae Sadia approved engineers.
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VENTED WATER HEATER COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the vented water heater as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failure to install and commission according to the manufacturer’s instructions and complete this Benchmark Commissioning Checklist will invalidate the warranty.
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SERVICE RECORD It is recommended that your vented water heater is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions. Always use the manufacturer’s specified spare part when replacing controls.
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Parts Center OUR NATIONWIDE NETWORK OF CUSTOMER SUPPORT ENGINEERS Tel: 0344 292 7057 Heatrae Sadia has its very own dedicated nationwide network of highly trained www.partscenter.co.uk customer support engineers so you can have peace of mind that we’re always here to help.