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Mikrofill Ethos 24cc User Instructions

Condensing combination boiler
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Mikrofill Ethos
Condensing combination boiler
User Instructions
24cc

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Summary of Contents for Mikrofill Ethos 24cc

  • Page 1 Mikrofill Ethos Condensing combination boiler User Instructions 24cc...

  • Page 2: Table Of Contents

    CE Mark Mikrofill gas appliances comply with the requirements contained in CE Mark documents contained with European directives applicable to them. In particular, these appliances comply with the CE directives and technical specifications contained within them : Gas Appliances directive 90/396...

  • Page 3: General Description

    1. GENERAL DESCRIPTION The fan flued hermetic type combination boiler is an apppliance that fires Natural gas in its combustion chamber for either heating or obtaining domestic hot water. It combines two different functions in the same appliance. For this it has two independent circuits. Heating circuit and the domestic hot water circuit.

  • Page 4: Technical And Dimensional Characteristics

    1.1.1. Instructions and Regulations Assembly, Installation, First ignition and maintenance must be carried out by a competent person, in accordance with all-current technical regulations and directives. 1.1.2. C.O.S.H.H. Materials used in the manufacture of this appliance are non-hazardous and no special precautions are required when servicing or maintenance is undertaken.

  • Page 5: Boiler Schematic

    2.2. BOILER SCHEMATIC 1 - Domestic thermistor 2 – Hydroblock 3 - Gas valve 4 - Gas valve ignition module 5 - Fan hood 6 - Burner 7 - Ignition electrodes 8 - Combustion chamber 9 - Integrated heat exchanger 10 - Air pressure switch 11 - Heating safety valve (3 bar) 12 –...

  • Page 6: Technical Data

    2.3. TECHNICAL DATA Heating Hot water Heating output adjustable from ... (kW) Hot water output to ... (kW) 23.3 automatically variable from ... (kW) from ... (Btu/h) 30368 to ... (kW) 23.3 to ... (Btu/h) 79502 from... (Btu/h) 30368 Efficiency to ...

  • Page 7: Boiler Flow Diagrams

    2.4. Boiler Flow Diagrams Combustion products Combustion products Central heating mode Domestic hot water mode 1 - Domestic thermistor 2 – Hydroblock 3 - Gas valve 4 - Gas valve ignition module 5 - Fan hood 6 - Burner 7 - Ignition electrodes 8 - Combustion chamber 9 - Integrated heat exchanger 10 - Air pressure switch...

  • Page 8: Heating System Design

    2.5. HEATING SYSTEM DESIGN ? The combination boiler is compatible with any type of installation. ? Heating surfaces may consist of radiators, convectors or fan assisted convectors. ? The combination boiler can be piped directly to an underfloor heating system without the need for a mixing bottle.

  • Page 9: Electrical Connection

    Boiler Cold water supply Additional expansion Flow vessel (if control required) Domestic h ot water valve Filling Bypass device valve Heating outlet Flow Flow control control valve valve Diagram 3 Heating return 2.7. ELECTRICAL CONNECTION Warning. This boiler must be earthed. The phase and the neutral line connections of power cable must be correct.

  • Page 10: Safety Devices

    Rotate the domestic hot water adjustment knob left or right to adjust the maximum temperature of the domestic hot water (35 o C to 65 o C). For increasing rotate the knob in clockwise and for decreasing rotate in anti-clockwise. Rotate the central heating adjustment knob left or right to adjust the maximum temperature of the heating (30 o C to 85 o C).

  • Page 11: Fault Codes On Led Display

    4. FAULT CODES ON LED DISPLAY DIAGNOSTIC When this led is When this led is blinking, there is a blinking, the pressure problem in heating of heating system is system NTC. low. When this led is blinking, there is a problem in domestic hot water NTC.
  • Page 12 flue system will pass directly to the rear or to either The Combination boiler is a wall mounted modulating side to the terminal fitted on the outside wall face. combination boiler with electronic ignition providing The installation must be carried out by a competent central heating and instantaneous hot water.

  • Page 13: Clock Instructions For Use

    Rotate the domestic hot water adjustment knob left or right to adjust the maximum temperature of the domestic hot water (35 o C to 65 o C). For increasing rotate the knob in clockwise and for decreasing rotate in anti-clockwise. Rotate the central heating adjustment knob left or right to adjust the maximum temperature of the heating (30 o C to 85 o C).

  • Page 14: Servicing/Maintenance

    5.3. SERVICING/MAINTENANCE To ensure the continued efficient and safe operation of the boiler, it is recommended that it is checked and serviced at regular intervals by competent person. The frequency of servicing will depend upon the installation conditions and usage but, in general, once a year should be enough.

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