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Summary of Contents for Strebel ASCONA A
- Page 1 STREBEL ASCONA ‘A’ & ‘APV’ ATMOSPHERIC GAS BOILER INSTALLATION, OPERATING AND MAINTENANCE MANUAL JUNE 2000...
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Page 2: Table Of Contents
ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS PAGE INDEX SECTION TITLE PAGE GENERAL LOCATION VENTILATION GAS SUPPLY FLUE SYSTEM WATER CIRCULATION INSTALLATION ELECTRICAL SUPPLY COMMISSIONING AND TESTING SERVICING FAULT FINDING GAS VALVE ADJUSTMENT L.P.G CONVERSION WIRING DIAGRAM USERS INSTRUCTIONS TABLE 1 TECHNICAL DATA ASCONA ‘A’... - Page 3 ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS ASCONA ‘A’ TECHNICAL DATA – TABLE 1 Type and No of Sections Nominal output 18.2 27.5 37.7 47.1 56.5 66.4 75.6 Nominal input 20.2 30.5 42.0 52.3 62.7 73.7 83.8 Supply Pressure – Natural gas mbar Supply Pressure –...
- Page 4 ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS ASCONA ‘APV’ TECHNICAL DATA – TABLE 2 Type and No of Sections PVA-3 PVA-4 Nominal output 18.2 27.5 Nominal input 20.2 30.5 Supply Pressure – Natural gas mbar Supply Pressure – LPG mbar Burner Pressure – Natural gas mbar 14.8 14.5...
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Page 5: General
ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS GENERAL The STREBEL ASCONA ‘APV’ & ‘A’ range of Gas Fired Boilers are floor mounted open flued units for connection to heating and indirect hot water systems. The Ascona heat exchanger body is constructed of cast iron sections with a stainless steel atmospheric gas burner suitable for Natural Gas and LPG (site conversion) the boilers as standard are fitted with electronic ignition. -
Page 6: Gas Supply
Gas supply connections is as follows: Ascona APV 3 & PV 4 = 1/2" BSP Ascona A 3, A 4, A 5, A 6 & A 7 = 1/2" BSP Ascona A 8 & A 9 = 1" BSP. A gas service cock must be fitted immediately adjacent to the boiler. -
Page 7: Flue System
ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS FLUE SYSTEM Detail recommendations for flueing are given in B.G.C. Publications:- “Flues for commercial and Industrial Gas Fired Boilers and Air Heaters” 1M/11. Reference should also be made to BS. 5440 Part 1 : BS. 6644 where applicable. The following notes are intended to give general guidance. -
Page 8: Electrical Supply
ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS ELECTRICAL SUPPLY The electrical supply should be 220V, 50Hz, and fused at 3 amps. A suitable independent switch fuse should be installed for each boiler, adjacent to the boiler. WARNING : This appliance must be earthed. ASCONA ‘A’... -
Page 9: Servicing
ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS Water Boiler and system have been flushed through and are filled, and circulating pumps operational. Flow and return valves are open. To Test Soundness of Safety Shut-Off Valve Ensure that the main gas cock and electricity supply are turned OFF. Remove plug from pressure test point on inlet side of the safety shut off-valve and connect pressure gauge. -
Page 10: Fault Finding
ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS 10.1 To Clean Boiler Remove jacket front panel. Disconnect leads for ignition and probe electrodes Remove nuts retaining burner door and assembly. Withdraw burner assembly from boiler. Remove jacket top panel and insulation. Remove the access plate from the top of flue hood. Clean burner Clean boiler flueways from the top with flue brush. -
Page 11: Gas Valve Adjustment
ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS 4. Pilot stage lights, Control box locks out. (a) Probe lead not connected to electrode. (b) Earth lead to burner not connected. (c) Loose connections on probe lead or earth lead in junction box, control panel or plugs and sockets. - Page 12 ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS ELEKTROGAS VM-L GAS VALVE 12.1 Slow Opening and Fast Closing Valve with Hydraulic Damper and Flow - Rate Control • Slow opening time : It can be regulated from a fast speed of 4 sec, to a slow speed of 25 sec.
- Page 13 ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS 13.0 LPG CONVERSION The boilers are supplied as standard to be run on natural gas. Should it be necessary to convert the boiler to LPG the following operations must be carried out : BOILER PART INJECTORS PER KIT INJECTORS PER...
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Page 14: Wiring Diagram
ASCONA ‘A’ & ‘APV’ Wiring Diagram Heating Circulation Pump Connections (Supplied with APV models only) Noise Suppresser Fuse Boiler On/Off Switch J1 – J8 Control Box Connections Burner Lock-out Lamp Boiler Lockout Lamp & Reset Button Heating Circulation Pump ‘On’ Lamp (Fitted on APV models only) Flue Spillage Lamp Mains Power Indicator Lamp... - Page 15 ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS Connector pole for exchange with printed circuit Optional connections of domestic water Connector pole of Clima control Terminal Links General connector pole Link for electrical connector referred to pole ’N’ The direction of the arrow indicates the following Printed circuit board position (to the right or the previous are (to the left) of the pole...
- Page 16 ASCONA ‘A’ & ‘APV’ INSTALLATION INSTRUCTIONS 15.0 USERS OPERATING AND MAINTENANCE INSTRUCTIONS To light the Boiler Check that the boiler gas supply valves are turned ON and that the gas supply is ON at the meter. Set the thermostat to the required temperature. Switch on the electricity supply.
- Page 18 1F ALBANY PARK INDUSTRIAL ESTATE FRIMLEY ROAD, CAMBERLY SURREY GU25 2PL TELEPHONE : (01276 685422) FAX : (01276 685405) E-MAIL : info@strebel.co.uk WEB SITE : www.strebel.co.uk E & O.E Feb-00 THE COMPANY RESERVES THE RIGHT TO CHANGE SPECIFICATIONS AND DIMENSIONS WITHOUT NOTICE...
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