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Technical Improvements Micra Range

Technical Improvements Micra Range. Name of project: Micra Vintage Boilers involved : Micra 2. Name of new boiler : Micra 2 The names will be the same as before The modifications will be intended as technical improvements The boiler codes will be same as for current models

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Technical Improvements Micra Range

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  1. Technical Improvements Micra Range

  2. Name of project:Micra Vintage Boilers involved: Micra 2 • Name of new boiler:Micra 2 • The names will be the same as before • The modifications will be intended as technical improvements • The boiler codes will be same as for current models • No technical functions added

  3. AESTHETICS MICRA Current range Micra 2 New range Micra 2 • Same control panel • Same dimensions • Same aesthetics

  4. MICRA 2 AESTHETICS How to distinguish current from new in the field? Instructions’ sticker on flap Micra 2 boilers Current New

  5. INTERNAL VIEW CURRENT NATURAL DRAUGHT FAN ASSISTED Micra 2 E Micra 2 SE

  6. INTERNAL VIEW NEW New

  7. HYDRAULICS Current Micra 2 New fixing way for DHW exchanger Electric 3-way valve New Micra 2 Flowmeter

  8. HYDRAULICS Current Micra 2 • The same Fixing Template as before New Micra 2

  9. HYDRAULICS New flowmeter for water detection • Pre-assembled by supplier (FITRE) ensuring functioning. • Opportunity to fit the liter-counter at the top • REED Contact • Tongues’ support to improve fixing and stability • Hexagonal base to avoid torsional stress Connections bracket Flowmeter’s base

  10. HYDRAULICS New 3-way motorized valve – Supplier “Giannoni”

  11. HYDRAULICS Heating NTC Supplier “EPCOS” Sparkling Igniter Supplier “ANSTOS” DHW NTC Supplier “EPCOS” The same features as in current version

  12. ELECTRONICS - main PCB Current Micra 2 Micra Condensing New Micra 2 Micra Condensing Supplier “Honeywell” Supplier “Nordgas” Same features and technical characteristics as in current version

  13. ELECTRONICS - main PCB 6 MICROSWITCHES

  14. ELECTRONICS - main PCB • How will microswitches be on boiler? • New boilers = All OFF (SW1 based on gas type) • Spares = All OFF SW6 = OFF --- Water automatic fill-in not enabled SW6 = ON --- Water automatic fill-in enabled (Must be OFF for your boilers) SW5 = OFF --- Working pump STANDARD SW5 = ON --- Working pump OFF during heating demand SW4 = OFF --- Max achievable temp on DHW demand OFF 75°C / ON 65°C (Standard) SW4 = ON --- Max achievable temp on DHW demandOFF Tset + 3°C / ON Tset +2°C SW3 = OFF --- Delay of 3 minutes before restarting, after heating demand SW3 = ON --- No delay setted SW2 = OFF --- Range temperature setting TA1 Standard: 35°C / 78°C SW2 = ON --- Range temperature setting TA1 Ridotta: 25°C / 45°C SW1 = OFF --- boiler works with NATURAL GAS SW1 = ON --- boilerworks with LPG

  15. ELECTRONICS – LCD Current Micra 2 New Micra 2 Supplier “Honeywell” Supplier “Nordgas” Same features and technical characteristics as in current version

  16. ACCESSORIES New Micra Vintage range will manage the same accessories as current Micra 2 range

  17. SUMMARY • ...will change: • Supplier of main PCB • Supplier of LCD • Supplier of NTC sensors • Supplier of Sparkling igniter • 3-way valve • Brass hydraulic group • DHW exchanger • DHW flowmeter • ...will not change: • Name and codes of boilers • Control panel • Combustion chamber • Gas valve • Dimensions • Accessories • Aesthetics

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