andrews RSC 150 Installation And Service Manual
Gas fired storage water heaters for natural gas, permanent pilot and auto ignition
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Summary of Contents for andrews RSC 150
- Page 1 INSTALLATION AND SERVICE MANUAL Part number E104 RSC range Models 150 and 190 Permanent Pilot and Auto Ignition Please read and understand these instructions before commencing installation and leave this manual with the customer for future reference. Andrews. Built to perform.
- Page 2 UK users is drawn to their responsibilities under the Health and Safety Regulations 1993. All installation and service on Andrews Water Heaters must be carried out by properly qualified personnel and, therefore, no liability can be accepted for any damage or malfunction caused as a result of intervention by unauthorised personnel.
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Page 3: Table Of Contents
Appliance dimensions RSC 150 & 190 connections ErP data Installation Introduction Location Flue systems RSC 150 & 190 flue fitting instructions Air supply and ventilation Water quality & treatment Water connections - general 3.7.1 Hydrojet system 3.7.2 Water connections - vented systems 3.7.3... -
Page 4: General And Safety Information
General and Safety Information General and safety information General information The Andrews Water Heater has been designed for use with NATURAL GAS only and is manufactured to give an efficient, reliable and long service life. To ensure the continued, trouble-free operation of your heater at... - Page 5 General and Safety Information BS EN 806 (Parts 1 - 5) Specifications for installations inside buildings conveying water for human consumption. BS 6644 Installation of gas fired water boilers of rated inputs between 70kW and 1.8MW. BS EN 12897 Water supply. Specification for indirectly heated unvented (closed) storage water heaters.
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Page 6: Health And Safety Regulations 1993
Andrews Water Heaters should only be used in the manner and purpose for which they were intended and in accordance with the instructions in this manual. Although the heaters have been... -
Page 7: Technical Data
Concentric Flue External flue diameter 125mm Minimum service clearance Return via drain port Internal flue diameter 80mm Model RSC 150 RSC 190 A Height of Heater 1264 1492 B Diameter C Gas Connection D Height to Centre of Flue... -
Page 8: Rsc 150 & 190 Connections
Technical Data RSC 150 & 190 connections Model RSC 150 RSC 190 Storage Capacity Litres Recovery Through 44°C I/hr Recovery Through 56°C I/hr Heat Input 10.5 Heat Output Gas Flow Rate 0.88 0.98 Gas Family Natural Natural Flue Gas Temp Approx °C... -
Page 9: Erp Data
Technical Data ErP data Declared load profile Water heating energy efficiency class Water heating energy efficiency Annual energy consumption Annual energy consumption Other load profiles for which the water heater is suitable to use and the corresponding water heating energy efficiency and annual electricity consumption Thermostat temperature setting °C Sound power level L... -
Page 10: Installation
Installation Installation Introduction The law requires that installation is carried out by a properly qualified person Install in accordance with current British Standard Code of Practice 342 part 2 and British Standards 5440, 5546, 6644, 6700, 6798 and 6891. Location The location chosen for the heater must permit the provision of a satisfactory flue and an adequate air supply. -
Page 11: Flue Systems
Installation 1 Installation 2 Installation 3 be installed in any configuration through 180° as long as proper service clearances are observed see fig.1 page 7. Model RSC 150 Flueing Option Installation 1 Installation 2 Installation 3 Type of Flueing Flue Restrictor Ø... -
Page 12: Rsc 150 & 190 Flue Fitting Instructions
Installation RSC 150 & 190 flue fitting instructions 1. Fit heater adaptor D1 to heater ensuring correct location on primary flue spigot from heater. (Use 4 self tapping screws Fig. 3 provided). 2. Fit flue restrictor ring D7 into heater adaptor D1 The correct size of restrictor for each heater model and installation is shown on page 10. - Page 13 Installation Note Both air vents must communicate with the same room or internal space or must both be on the same wall to outside air. Air vents should have negligible resistance and must not be sited in any position where they are likely to be easily blocked or flooded or in any position adjacent to an extraction system which is carrying flammable vapour.
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Page 14: Water Quality & Treatment
Installation Water quality and treatment To ensure long life and efficient, reliable performance from Andrews water heaters it is essential that the water heater is installed and serviced in accordance with the manufacturers instructions. Each water heater is fitted with one or more magnesium anode(s) which protect the tank from corrosion caused by electrolytic action within water systems. -
Page 15: Water Connections - General
Installation Water connections - general 3.7.1 Hydrojet system Fig. 4 The heater is fitted with the Hydrojet Total Performance System incorporated in the cold inlet dip tube. The tube is designed to increase turbulence and reduce sediment build up, reduce thermal stacking and increase delivery. -
Page 16: 3.7.3 Water Connections - Unvented Systems
When testing the system it is recommended that a maximum test pressure of 8.62 bar (125 psi) be employed. Temperature The Andrews range of storage water heaters can be used on pressure relief unvented hot storage water systems with the addition, to the valve standard heater, of an "Unvented Systems Kit"... -
Page 17: Unvented System Kit
Installation 3.7.4 Unvented systems kit Fig. 8 3.7.5 Unvented systems kit - parts list Ref. Part No. Description B213 Unvented Systems Kit Complete Comprises C780 Pressure Reducing Valve C781 Check Valve / Expansion Valve E319 Expansion Vessel E320 Temperature / Pressure Relief Valve E321 ”... -
Page 18: Gas Connections
Installation Gas connections THE APPLIANCE MUST ONLY BE USED WITH NATURAL GAS. The installation of the gas supply should conform to the requirements of IM/16 published by British Gas p.l.c. or BS 6891. Jointing compound used must conform to BS 5292 pt 5. Caution Do not apply heat in close proximity to the gas control as this will result in damage occurring to the control. -
Page 19: 3.10 Wiring Diagram
Installation 3.10 Wiring diagram Fig. 9 E104 Issue 2 14/07/16... -
Page 20: Commissioning
Commissioning Commissioning Gas connections 4.1.1 To light the burner Caution Do not operate the water heater until the storage vessel is completely filled with water, with water running from all Fig. 10 hot taps. Open the main gas supply cock after all connections to the gas Correct size and shape control thermostat are complete, and test all connections with of the pilot flame... -
Page 21: To Check Main Burner Pressure
Commissioning 4.1.3 To check main burner pressure 1. Turn burner OFF as above. 2. Remove brass cap from burner adjustment port. Fig. 11 3. Release bleed screw A one turn and connect pressure gauge tube. 4. Light burner according to the preceding instructions. 5. -
Page 22: Operation
Many repetitions of this over a short time period result in accumulation of excessively hot water in the upper part of the tank, even when the thermostat control is within limits. This is known as stacking. Note If in doubt contact Andrews Water Heaters. E104 Issue 2 14/07/16... -
Page 23: Servicing
Whilst giving the following instructions for the care of the Andrews Water Heater, we would recommend that an arrangement is made with your local gas region or installer to carry out periodic checks of the appliance to ensure trouble free operation and continued satisfaction. -
Page 24: Gas Control Valve
Servicing Gas control valve This should be checked and serviced by an engineer fully Fig. 14 conversant with every aspect of this piece of equipment. To remove gas control, first drain appliance, disconnect gas pipe union and turn control anti clockwise, taking care not to damage threads, knobs or the valve itself. -
Page 25: Magnesium Anode
Servicing Magnesium anode A magnesium sacrificial anode is fitted into the top of he water storage vessel. The function of the anode is to provide additional corrosion protection for the inside of the vessel. The condition of the anode should be checked, at least annually, during servicing. -
Page 26: Fault Finding
Fault Finding Fault finding RSC 150 & 190 models Fault Action WATER DOES NOT (a) Check gas cock is open. GET HOT (b) Check water valves are open. (c) Check that pilot is alight. (d) Check thermostat setting. (Reset to higher temperature). -
Page 27: Removal Of Cold Inlet Dip Tube & Hot Outlet Nipple / Anode
Fault Finding Fault Action WATER DRIPPING (a) Check if water stops dripping when water in heater is hot. If water stops problem is FROM BASE OF condensation caused by incorrectly designed flue or by tank cooling excessively i.e. more hot HEATER water being used than recovery rate of the heater. -
Page 28: General Assembly
Parts List RSC 150 & 190 Parts list RSC 150 & 190 General assembly Fig. 16 E104 Issue 2 14/07/16... -
Page 29: Flue Terminal Assembly
Parts List RSC 150 & 190 Flue terminal assembly Fig. 17 24 Volt auto system kit standard range Fig. 18 E104 Issue 2 14/07/16... -
Page 30: General Assembly Parts List
Parts List RSC 150 & 190 General assembly parts list Model RSC 150 RSC 190 Ref. Part Numbers Description E080 E081 Data Plate E085 E086 Hot Outlet Nipple / Anode E087 E088 Hydrojet Cold Inlet Dip Tube C247 C247 3/4” NPT/BSP Nipple... -
Page 31: 24 Volt Auto System Kit Standard Range Parts List
Parts List RSC 150 & 190 24 volt auto system kit standard range parts list Part No. Description B217 240 Volt Auto System Kit Complete (nat gas) C521 On / Off Switch C641 Mains Indicator Light G122 EP6 Control Module... -
Page 32: Dismantling, Disposal And Recycling
Appendix Appendix Dismantling, disposal and recycling Warning Only qualified competent persons should remove and dismantle the appliance. Before removing and dismantling please ensure you safely remove the power supply and isolated the appliance from the water and gas connections. Dispose of the appliance correctly according to the laws and regulations in force. - Page 33 E104 Issue 2 14/07/16...
- Page 34 E104 Issue 2 14/07/16...
- Page 35 © Copyright All technical and technological information contained in these technical instructions, as well as any drawings and technical descriptions supplied, remain our property and shall not be multiplied without our prior consent in writing. Subject to alterations.
- Page 36 0345 070 1055 Technical Technical 0345 070 1057 0345 070 1057 0345 070 1057 ICOM ICOM Website ebsite Energy Association Energy Association andrewswaterheaters.co.uk andrewswaterheaters.co.uk Twitter witter @AndrewsWH @AndrewsWH Andrews. Built to perform. Andrews. Built to pe Andrews. Built to pe form.