Flexiheat ME Series Technical Manual
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Flexiheat ME Series Technical Manual

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Technical manual
ME665 to ME980 BOILERS
Manual code: 560959
Update 11/2022

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Summary of Contents for Flexiheat ME Series

  • Page 1 Technical manual ME665 to ME980 BOILERS Manual code: 560959 Update 11/2022...

  • Page 2: Table Of Contents

    SUMMARY Page 1) DESCRIPTION AND CHARACTERISTICS 1.1) Description 1.2) Characteristics 2) APPROVALS - REGULATIONS 3) INSTALLATION - EQUIPMENT 3.1) Boiler installation instructions 3.2) Installation precautions 3.3) Accessory kits (optional) 3.4) Single or double circulation pump supply (optional). 3.5) Hydraulic connection 4) ELECTRICAL CONNECTION 4.1)Typical installation of the cabinet 4.2) Electric supply diagram...

  • Page 3: Description And Characteristics

    1) DESCRIPTION AND CHARACTERISTICS 1.1)Description The ME Range of electric boilers have been designed for heating needs (Closed circuits, operating pressure: 7 bar maximum). These are class 1 boilers which require connection to an earth connection. Protection index IP 21 / IK 08. BOILER CONTROL AND POWER CABINET - 1 sealed box fixed to the boiler...

  • Page 4: Characteristics

    1.2)Features Number Therm o Maximum Volume Flow rate Maximum Total Minimum flow calculated for: ΔT output Unit (litres) immersion m3/h pressure Weight (kW) heaters drops (kg) max = 40°C (50/90°C) Maximum flow calculated for: 1.5m/s or ΔT min = 5°C (90/95°C) 1010 1060 Top view...

  • Page 5: Approvals - Regulations

    2) APPROVALS - REGULATIONS Pressure equipment: Our boilers comply with Article 4.3 of the European Pressure Equipment Directive (PED 2014/68/EU), which has been transposed into French law. Electrical equipment: The electrical equipment offered complies with :- Decree 2015-1083 on the safety of persons, animals and property when using electrical equipment designed for use within certain voltage limits.- Transposition into French law of the European Low Voltage Directive 2014/35/EU.- Certain articles of the standards Safety of household and similar electrical appliances:* NF EN 60 335 -...

  • Page 6: Installation Precautions

    3.2) Installation precautions Our hot water production equipment must be installed in accordance with :- - Current standards- - The provisions of the D.T.U. - The instructions below Location The standard ME boiler must be installed in a ventilated room in order to maintain an ambient temperature below 30°C.

  • Page 7: Accessory Kits (Optional)

    3.3)Accessory kits (optional) • Kits for ME boiler (5020) 4 bar and (5021) 7 bar: 1 x Air vent, 1 x Flow control switch, 1 x Drain valve 32mm, 2 x Saftey valves 32mm, 4 or 7 bar. Air vent Safety valves Flow control switch...

  • Page 8: Hydraulic Connection

    3.5)Hydraulic connection Traditional heating with electric boiler and outdoor sensor 1 - Air vent. 2 - Traffic controller. 3 - Boiler pump. 4 - Membrane vessel. 5 - Safety valve. 6 - Drain valve. Weather-dependent control with 3-way valve 1 - Air vent. 2 - Circulation controller.
  • Page 9 Heating + DHW storage 1 - Homogenisation pump. 2 - Non-return valve. 3 - Circulation pump. 4 - Safety valve. 5 - Anti-deposit inlet. 6 - Total drain. 7 - Radiator circuit. 8 - Heating pump. 9 - 3-way valve. 10 - Manifold.
  • Page 10 Mixing as close as possible to the point of use Cold water 1 - Non-return valve. 9 - Boiler or sub-station supply. 2 - Radiator circuit. 10 - Drain. 3 - Heating pump. 11 - Isolation valve. 4 - 3-way valve. 12 - Primary pump.

  • Page 11: Electrical Connection

    4) ELECTRICAL CONNECTION The elements presented in this chapter represent the standard layouts and diagrams. They may vary from the materials delivered depending on the options chosen by the customer. Refer to the diagrams inserted in the boiler cabinet. 4.1)Typical layout of the cabinet Regulator Thermostat Switch-...

  • Page 12: Electric Supply Diagram

    4.2)Electrical power supply diagram - 13 -...

  • Page 13: Electrical Control Diagram

    4.3)Electrical control diagram Part 1 Live Safety Safety White - 14 -...
  • Page 14 Part 2 Operating order Regulator Terminal Block Safety Thermostat Flow controller Safety pump Other safety Operating order Safety report - 15 -...

  • Page 15: Electric Power Diagram

    4.4)Electrical power diagram Power per stage 665 to 980 kW Power Stage 2 Stage 3 Stage 4 Stage 5 Stage 6 Stage 1 665kW 700kW 735kW 770kW 805kW 840kW 875kW 910kW 945kW 980kW - 16 -...

  • Page 16: Protection

    4.5)Protection Calibre and size of fuses : Fuses F1 to F4: industrial cylindrical cartridges size 8 x 32 F1 and F2: 1 A type aM F3: 1 A type gG F4: 0.5 A type gG Fuses F5 to F10: industrial blade cartridges size 1: 160 A type gGsize 2 industrial blade cartridges: 250, 315 and 400 A gG type Calibers: Power...

  • Page 17: Commissioning

    5) COMMISSIONING Boilers can be filled through any opening. Provide an air purge valve to ensure complete filling of the boiler. Under no circumstances should the heating elements be put into operation if the boiler is not completely filled with water. Ensure complete filling before the first heating. The boiler can be emptied via the valve in the lower part provided for this purpose (see diagrams).

  • Page 18: Regulator

    6) REGULATOR SIEMENS regulator type POL 635 with display POL 871.72/std. Note : the display is mounted on the door of the cabinet, the regulator is mounted at the back of the cabinet. 6.1)Presentation - Operation Indicates a subroutine NEWS ALARM ButtonNEWS : Returns to an info page where the dates and version number of the program loaded in the controller are...

  • Page 19: Programming

    6.2)Programming cover page When the display unit is powered up, the following information is obtained: By validating on this line, move to the next page. By validating on this line, you can enter a password number. Password ''1000'': user level: 1 No password: user level.
  • Page 20 Clock Adjustment of the time program for switching to reduced mode. Mode: shows the current state of the clock (Day or Reduced). Possibility of 2 reduced ranges for each day. Adjustment of hours and minutes. Program to run for every day of the week. Exception program: allows you to program a reduction period of several days.
  • Page 21 SERVICE LEVEL Password ''2000'': maintenance level: 2 Temperature control In this page, it is possible to Measurement: boiler outlet water temperature (probe). Fixed Setpoint: modify the proportional band, programmed setpoint adjustable between 20 and 95°C. Actual Setpoint: the integration time, the fixed setpoint minus the reduced if it is active.

  • Page 22: Modbus Link

    6.3)Modbus link The controller can be connected to a GTC in Modbus RTU protocol. Adjustable Parameters: Slave addresses: 1 Speed: 9600 bauds 8 bits, no parity, 1 stop bit Read/Write 16-bit words Table of addresses: Reading Decimal Request code 3 or 4 W.00- bit 00 Summary of faults Flow temperature alarm...
  • Page 23 Reading (continued) Decimal Request code 3 or 4 W.02- bit 00 External temperature validated Configuration W.02- bit 01 Linear regulation mode W.02- bit 02 Adjustable regulation mode W.02- bit 03 Binary regulation mode W.02- bit 04 Item available W.02- bit 05 Item available W.02- bit 06 Item available...
  • Page 24 W.51 Value /10 Offset Setpoint Flow set point (/18°C outside W.52 temperature) Value /10 W.53 Value /10 Reduced deposit Fixed setpoint (if no outdoor W.54 Value /10 temperature) - 25 -...

  • Page 25: Loading The Program Into The Siemens Controller

    6.4)Loading the program into the SIEMENS controller Loadthe HMI.ucf, MBRTCode.ucf and OBH.ucf files on an SD card Putthe regulator off Insertthe SD card in the controller - Using a long, thin object, press and hold the internal "Service Pin" button. - Switch the regulator back on by holding down the "Service Pin"...

  • Page 26: Transport, Storage, Handling

    7) TRANSPORT, STORAGE, HANDLING TRANSPORT - STORAGE The device must be transported and stored in its original packaging to its place of installation. Ambient temperature below 80°C. Relative humidity 30 to 80% (non-condensing). HANDLING • The equipment will be handled by suitable lifting means and by qualified staff: use a pallet truck or forklift •...

  • Page 27: Maintenance

    8) MAINTENANCE The decrease in circulation speed and the rise in temperature of the water in the body of the boiler: • Promote the settling and precipitation of mineral or other matter contained in the water, which leads to deposits of mud, scale, etc..•...

  • Page 28: Warrany

    The installation diagrams are for guidance only and do not preclude from complying with the rules of the trade and the regulationsor D.T.U. regulations in force. FLEXIHEAT RESERVES THE RIGHT TO MAKE MANUFACTURING MODIFICATIONS WITHOUT PRIOR NOTICE. - 29 -...

  • Page 29: Spare Parts

    10) SPARE PARTS TITLES TITLES Code No. Code No. 2536 200 A power contactor 582,070 Immersion heater 35 kW 275 A power contactor Safety thermostat 90/110°C 582 201 581 104 350 A power contactor traffic controller 582 203 480 230 Fuse T1 160A 587,263 Fuse T2 250A...

This manual is also suitable for:

Me665Me980

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