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MHS Boilers ALPHA700 Series Instructions For Assembly And Installation

Cast iron sectional oil, gas & dual fuel boilers single unit outputs 295kw - 640kw
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C A S T I R O N S E C T I O N A L
O I L , G A S & D U A L F U E L B O I L E R S
S I N G L E U N I T O U T P U T S 2 9 5 k W - 6 4 0 k W
I N S T R U C T I O N S F O R A S S E M B L Y /
I N S T A L L A T I O N , S E R V I C I N G & O P E R A T I O N

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Summary of Contents for MHS Boilers ALPHA700 Series

  • Page 1 C A S T I R O N S E C T I O N A L O I L , G A S & D U A L F U E L B O I L E R S S I N G L E U N I T O U T P U T S 2 9 5 k W - 6 4 0 k W I N S T R U C T I O N S F O R A S S E M B L Y / I N S T A L L A T I O N , S E R V I C I N G &...

  • Page 2: Table Of Contents

    ALPHA 700 contents page section 3 ...1.0 General Notes Product Description 4 ...3.0 Key Points 5 ...4.0 Specification for Alpha 700 Delivery 6 .

  • Page 3: General Notes

    ALPHA 700 1.0 general notes These instructions are intended to assist the installer, commissioning engineer, maintenance engineer and user with the assembly, installation maintenance and operation of the Alpha 700 Series Cast Iron Sectional Boilers and must be read in conjunction with the instructions supplied with the burner. Please read this manual fully before commencing the installation of the boiler.

  • Page 4: Key Points

    ALPHA 700 3.0 key points conformity with standards All Alpha 700 series boilers are designed and manufactured in accordance with the requirements of EN 303.1 and are supplied with burners certified to the relevant standards. Alpha 700 series boilers are CE approved and conform to all relevant standards and requirements.

  • Page 5: Specification For Alpha 700

    ALPHA 700 4.0 specification for Alpha 700 The three pass heat exchanger is constructed using high carbon content corrosion resistant cast iron sections with turbo rotational flue passes and polygonal profile combustion chamber. The assembled body is connected together using biconical nipples and full length tie rods. Gas tight sealing of the sections, one to another, is achieved using ceramic fibre rope bedded into channels in the casting faces.

  • Page 6: Single Boiler Dimensional Data/Clearances

    ALPHA 700 6.0 single boiler dimensional data/clearances 1020 1765 1600 ø D 1410 1135 Dimensions in millimetres Models Alpha 700 A - Overall Length - mm 1515 1650 1785 1920 2055 2190 2325 2460 2595 B - Casing Length - mm 1360 1495 1630...

  • Page 7: Air Supply & Ventilation

    ALPHA 700 8.0 air supply & ventilation An adequate supply of fresh air for combustion and ventilation of the boiler house must be supplied in accordance with BS6644/BS5410 as appropriate. The air supply should be achieved using: a) Natural ventilation with low level and high level openings. b) Using a fan to supply air to a low level opening with natural discharge through a high level opening.

  • Page 8: Technical Data

    ALPHA 700 11.0 technical data Boiler Model Alpha 700 295.3 338.4 381.4 424.4 467.4 510.4 553.5 596.5 639.5 Max Heat Btu/h Output to Water 1007.5 1154.6 1301.3 1448.0 1594.7 1741.4 1888.5 2035.2 2181.9 x 1000 327.8 375.5 423.3 471.0 518.8 566.5 614.3 662.0...

  • Page 9: System Schematic Using Diverter Valves

    ALPHA 700 12.0 system schematic using reverse/return It is important to ensure that for all Alpha single and multi-boiler installations, the system should be designed to provide an even flow of water through each boiler when the burner is firing, and that this flow rate is not less than the minimum flow rate shown for each size of boiler in the technical data.

  • Page 10: Circulating Water

    Flue pipe routes should allow for the shortest possible horizontal run to the main vertical chimney. The use of tight radius bends and square tees should be avoided. For detailed guidance, assistance and quotations on flue systems, contact MHS Boilers Flue Department.

  • Page 11: Control Panel

    ALPHA 700 17.0 control panel HOURS RUN HOURS RUN ALPHA 2 STAGE 1 STAGE BOILER TEMPERATURE °C 0 0 0 0 0 0 0 h 0 0 0 0 0 0 0 h TEST key to components 2nd stage control thermostat Water temperature thermometer 1st stage control thermostat Overheat trip lamp...

  • Page 12: Standard Boiler Control Panel Electrical Diagram

    ALPHA 700 Standard Boiler Control Panel Electrical Diagram Burner Connection Plugs Power supply 240V-50 Hz Burner Cables Casing Panel E N J K F H A1 A X Y B4 S3 T2 T1 N L1 N T8 T7 T6 B5 BW G Index Cable Colour Identification...

  • Page 13: Boiler Installation

    Alpha 700 series boilers are supplied in kit form on-site assembly. Special boiler assembly tools are required to assemble the boiler heat exchanger. (Boiler assembly tools are available for purchase or hire from MHS Boilers). 18.1 health & safety Care should be taken when handling or moving the boiler parts as they are extremely heavy and fragile.
  • Page 14 ALPHA 700 18.2.5 Insert boiler assembly tools into upper and lower waterway ports and (following specific tool usage instructions) compress boiler sections together with even tightening of upper and lower tools to avoid that section castings are stressed on an angle. Sections should be compressed together until opposing faces touch at 2 points.
  • Page 15 ALPHA 700 18.2.11 Ensure 2 piece rigid ceramic fibre target wall is correctly assembled into rear combustion chamber access way. See Fig 6. taking one piece of (the 2 piece) target wall which has the rearmost overlap and inserting it into the boiler through the rear access way.
  • Page 16 ALPHA 700 18.2.12 insulation and jacket assembly Apply the insulation jacket (1) as shown in fig 7 and join by using springs (2) supplied (see fig 8). Mount the four vertical casing support struts (3), (ensuring that the longer profile is installed at the top).
  • Page 17 ALPHA 700 257mm 224mm Bottom Casing support strut vertical fig.7 fig.9 fig.8 fig.10...

  • Page 18: System Connections

    ALPHA 700 19.0 system connections 19.1 gas connection (where appropriate) Specific detail on the gas connection is provided by the burner manufacturer. The gas installation pipework should be installed in accordance with the requirements of IGE/UP/2 and be tested and purged in accordance with the requirements of IGE/UP/1.

  • Page 19: Mounting The Burner

    ALPHA 700 20.0 mounting the burner The supplied burner must be securely mounted to the front of the boiler via the mounting plate provided and following the instructions supplied with the burner. The maximum length of the burner blast tube must not exceed 220mm.

  • Page 20: Adjustment & Safety Checks

    ALPHA 700 23.0 initial lighting The initial lighting should be carried out by a competent engineer. Follow closely the specific instructions supplied by the burner manufacturer. Ensure electrical supply to the boiler and the ON/OFF switch on the control panel are OFF. Ensure fuel and water supplies are turned ON and check for soundness the fuel carrying components of the burner.
  • Page 21 ALPHA 700 25.0 boiler servicing WARNING Make sure that the fuel supply is turned OFF and that the electricity supply is turned off and disconnected before attempting to service the appliance. Check all fuel carrying components for soundness after servicing boiler. Servicing must be carried out by a qualified engineer and where applicable, a qualified electrician.

  • Page 22: To Turn On The Appliance

    ALPHA 700 26.0 to turn on the appliance 26.1 Ensure electricity supply to appliance is turned on. 26.2 Ensure fuel supply to appliance is turned on. 26.3 Ensure external controls (if fitted) are turned on and calling for heat. 26.4 Ensure system circulation pumps are running. 26.5 Set control thermostat “A”...

  • Page 23: Fault Finding

    ALPHA 700 28.0 fault finding FAULT POSSIBLE CAUSE REMEDY Boiler/Burner does Power supply turned off. Refer to section 26. not operate. External controls turned off. Refer to section 26. Boiler already hot or Allow boiler to cool control thermostats set or re-set control too low.
  • Page 24 ALPHA 700 29.0 boiler log ON COMPLETION PLEASE LEAVE WITH APPLIANCE FOR FUTURE REFERENCE AND LOG BOOK RECORDS Installer Address Customer’s Address Site Address CORGI Reg No. Tel No. Tel No. Report No: Date of Commissioning Engineer’s Name (Print) Pre-Commissioning Check Sheet Contract No.
  • Page 25 ALPHA 700 ON COMPLETION PLEASE LEAVE WITH APPLIANCE FOR FUTURE REFERENCE AND LOG BOOK RECORDS Installer Address Customer’s Address Site Address CORGI Reg No. Tel No. Tel No. Report No: Date of Commissioning Engineer’s Name (Print) Commissioning Report Contract No. Boiler model type: Boiler serial no: Burner model type:...

  • Page 26: Service Repair Record Sheet

    ALPHA 700 30.0 service/repair record sheet Date work carried out: Contract No: Order No: Boiler Serial No: Hours run on meter reading: Burner Serial No: Work carried out: Replacement oil nozzle make: Angle: Capacity: ITEMS BELOW TO BE CHECKED AGAINST INITIAL COMMISSIONING FIGURES Gas burner manifold Gas inlet pressure Gas Inlet Pressure...

  • Page 27: Spare Parts

    ALPHA 700 31.0 spare parts...
  • Page 28 QW/6/99 A member of the Modular Heating Group Plc 35 Nobel Square, Burnt Mills Industrial Estate, Basildon, Essex SS13 1LT Tel: 01268 591010 Fax: 01268 728202 http://www.modular-heating-group.co.uk This publication is issued subject to alteration or withdrawal without notice. The illustrations and specifications are not binding in detail. All offers and sales are subject to the Company's current terms and conditions of sale.

This manual is also suitable for:

Alpha700 300Alpha700 380Alpha700 425Alpha700 470Alpha700 510Alpha700 555 ... Show all

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