andrews RSC 150 Installation Manual, Operation And Service Manual
Natural gas fired storage water heaters room sealed appliance
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Summary of Contents for andrews RSC 150
- Page 1 MANUAL Natural Gas Fired Storage Water Heaters Room Sealed Appliance MODELS RSC 150 RSC 190 T H I S M A N U A L M U S T K E P T W I T H T H E A P P L I A N C E Part No.
- Page 3 The attention of U.K. users is drawn to their responsibilities under the Health and Safety Regulations 1993. All installation and service on the Andrews Water Heater 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 5: Table Of Contents
CONTENTS PAGE SECTION 1 GENERAL AND SAFETY INFORMATION General Information British Standards and Codes of Practice Health and Safety Regulations 1993 Effectiveness in Combating Legionellae SECTION 2 TECHNICAL DATA SECTION 3 INSTALLATION Location Flue Systems Air Supply and Ventilation Water Connections Water Quality &... -
Page 6: General And Safety Information
SECTION 1 GENERAL AND SAFETY INFORMATION GENERAL 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. INFORMATION To ensure the continued, trouble-free operation of your heater at maximum efficiency, it is essential that correct installation, commissioning, operation and service procedures are carried out strictly in accordance with the instructions given in this manual. -
Page 7: Health And Safety Regulations 1993
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 manufactured with paramount consideration to safety, the basic safety precautions highlighted in this manual must be observed by the user. -
Page 8: Technical Data
Appliance Dimensions Including Standard Flue Run Dimensions Concentric Flue Minimum Service Clearance External Flue diameter 125mm (5”) Internal Flue diameter 80mm (3”) ANDREWS MODEL NO. RSC 150 RSC 190 SI Metric Imperial SI Metric Imperial A Height of Heater 1264 mm ⁄... -
Page 9: Installation
INSTALLATION SECTION 3 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 10: Air Supply And Ventilation
SECTION 3 INSTALLATION RSC150 & RSC190 Flue Fitting Instructions Fit heater adaptor D1 to heater ensuring correct location on primary flue spigot from heater. (Use 4 self tapping screws provided). Fit flue restrictor ring D7 into heater adaptor D1 The correct size of restrictor for each heater model and installation is shown on page 5. - Page 11 INSTALLATION SECTION 3 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.
- Page 12 100-150 ppm (7-10 degrees Clark) and above - a number of water treatment devices are available. When specifying or installing Andrews water heaters in hard water areas we would recommend that a specialist in this area of operation is consulted.
- Page 13 INSTALLATION SECTION 3 The water heater must be supplied from a cold water feed cistern and the hot water WATER supply pipe must be fitted with an open vent pipe in accordance with BS 5546. Local CONNECTIONS regulations and bye-laws must be observed when installing the system but typical water VENTED SYSTEMS service layouts are shown in Fig.
- Page 14 When testing the system it is recommended that a maximum test pressure of 8.62 bar (125 psi) be employed. The Andrews range of storage water heaters can be used on unvented hot storage water systems with the addition, to the standard heater, of an "Unvented Systems Kit" Part No.
- Page 15 INSTALLATION SECTION 3 Fig. 4 Unvented Systems Kit Part No. Description B213 Complete Unvented System Kit Comprises C780 Pressure Reducing Valve C781 Expansion Valve / Check Valve E319 Expansion Vessel E320 Temperature / Pressure Relief Valve E321 ⁄ ”x ⁄ ”...
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Page 16: Water Connections
SECTION 3 INSTALLATION WATER CONNECTIONS Balanced Cold Water Take-off Expansion Vessel (if required) Temperature/ Pressure Relief Valve Wall Bracket Assembly Hose Assembly Cold Water Inlet to Water Heater Check Valve/ Expansion Valve Pressure Reducing Valve/ Reducing Bush Strainer Tundish Cold Water Feed Fig.5 Unvented Systems Kit, NB. -
Page 17: Unvented Systems
INSTALLATION SECTION 3 WATER CONNECTIONS Hot water service Cold Water Take Off Secondary Return Cold Water Inlet Check Valve Fig. 6 Typical Installation, To drain Unvented System THE APPLIANCE MUST ONLY BE USED WITH NATURAL GAS. CONNECTIONS The installation of the gas supply should conform to the requirements of IM/16 published by British Gas p.l.c. -
Page 18: Commissioning
SECTION 4 COMMISSIONING CAUTION: DO NOT OPERATE THE WATER HEATER UNTIL THE STORAGE VESSEL IS COMPLETELY FILLED WITH WATER, WITH WATER RUNNING FROM ALL HOT TAPS. CONNECTIONS Open the main gas supply cock after all connections to the gas control thermostat are complete, and test all connections with soap solution. -
Page 19: Operation
ECO circuit will close and allow the heater to be relit. If the gas control has to be changed it must be replaced with an identical model having the same code number. If in doubt contact Andrews Water Heaters. -
Page 20: Servicing
SECTION 6 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 21: Flueway
SERVICING SECTION 6 FLUEWAY The burner should be checked annually. The flueway and baffle should be checked if sooting occurs and if necessary cleaned as follows:- 1. Depress slightly the gas control knob and turn to "OFF". Remove outer burner cover and inner cover. -
Page 22: Fault Finding
SECTION 7 FAULT FINDING FAULT ACTION (a) Check gas cock is open. 1. WATER DOES NOT (b) Check water valves are open. GET HOT (c) Check that pilot is alight. (d) Check thermostat setting. (Reset to higher temperature). (e) Check gas pressures at burner and at gas inlet to appliance. (f) Check cold inlet dip tube to see if it is broken or missing (see Fig. -
Page 23: Parts Lists And Illustrations
PARTS LIST AND ILLUSTRATION RSC150/RSC190 SECTION 8 Model RSC150 RSC190 Part No. Part No. 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 C381 C381 Drain Cock C103 C103... - Page 24 SECTION 8 PARTS LIST AND ILLUSTRATION RSC150/RSC190 Model RSC 150 RSC 190 Part No. Part No. Description E072 E072 Heater Adaptor E069 E069 0.5m Flue E073 E073 Horizontal Terminal c/w Wall Plates E071 E071 90˚ Bend E067 E067 Vertical Terminal...
- Page 25 NOTES...
- Page 26 NOTES...
- Page 28 Wednesbury One, Black Country New Road Wednesbury, West Midlands WS10 7NZ Tel: +44 (0)121 506 7400 Fax: +44 (0)121 506 7401 Email: andrews@andrews-waterheaters.co.uk Website: www.andrewswaterheaters.co.uk 07/05...