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Ultracom2 cxi

Combination Boiler

Available in 24, 30 & 35kW
    • SEDBUK A & NOx Class 5
    • Simple new in-built filling loop
    • Clear fault code explanation
    • One way fit, simple wiring connections
    • 2 years parts and labour warranty
  • Ultracom2 cxi

    New High Efficiency combination boiler range with a choice of flexible control options available in 24, 30 & 35 kW outputs.

     

    Designed with hassle free installation in mind, the brand new Ultracom₂range of High Efficiency combi boilers offers a spacious internal design with easy access to all components without the need to remove the side panels meaning no side clearances are required.

    Combined with one way wiring connections and a unique, simple filling loop design meaning you don’t have to remove any parts, installation and servicing is both straightforward and quick. The High Definition plain text display ensures hassle free and simple commissioning, whilst the advanced stainless steel heat exchanger reduces noise so much, the Ultracom₂is so quiet you’ll barely know it’s there.

    Flexible controls

    With a choice of plug in digital timer or external eBus controls the Ultracom₂cxi offers complete flexibility providing perfect home comfort for every application. Also featuring a unique receiver slot located inside the boiler, the Ultracom₂cxi and the new Climapro₂RF wireless programmable room thermostat are the perfect combination for advanced heating control.

    Key Features

    • SEDBUK A and NOx Class 5 rated
    • 5 second hot water delivery (measured at tap 1m from the boiler)
    • Choice of plug in analogue or digital timer as optional accessory
    • Simple new in-built filling loop design enabling filling without the need to remove any parts
    • One way fit, simple wiring connections
    • Easy access to all components from the front without the need to remove side panels meaning no side    clearances are required
    • Enhanced commissioning features - boiler self-check routine – initial pre-purge feature
    • Clear fault code explanation – detailed plain text display helps use and commissioning
    • Extremely quiet operation
    • LPG compatible without conversion kit
    • Flexible pre-fixing jig (optional accessory) - 1 jig for upward or downward piping
    • Spacing frame available as an optional accessory
    • Compatible with Glow-worm eBus controls including Climapro₂RF
    • Unique receiver slot inside the boiler for easy installation of the Climapro₂RF
    • 2 years parts and labour warranty

  •   24cxi 30cxi 35cxi
    Size & Performance      
    Size      
    Casing dimension (h w d)(mm) 726x418x346 726x418x346 726x418x346
    Weight (packed) 37.1kg 37.1kg 38.3kg
    Performance      
    CH output (kW) Min/Max 4.9/18.5 5.9/24.5 8.4/30.1
    DHW Output (Kw) Min/Max 25.5 30.6 35.7
    DHW Flow Rate I/MIN. 35oC rise 10.4 12.5 14.6
    DHW response* 5 seconds 5 seconds 5 seconds
    SEDBUK rating A A A
    SEDBUK % 90.3 90.3 90.4
    Nox class 5 (natural gas) Yes Yes Yes
    Adjestable to LPG Yes Yes Yes
    Construction  & Installation      
    Construction      
    Main heat exchanger type Coiled Tube Coiled Tube Coiled Tube
    Heat Exchanger material Stainless Steel isothermic Stainless Steel isothermic Stainless Steel isothermic
    Burner Type Pre-mixed Pre-mixed Pre-mixed
    Fully modulating Yes Yes Yes
    DHW plate heat exchanger Yes Yes Yes
    Integrated hydrobloc Yes Yes Yes
    Installation      
    Suitable for sealed systems Yes Yes Yes
    Suitable for open-vent systems No No No
    Filling Loop inbuilt inbuilt inbuilt
    Flow restrictor Yes 8 l/min Yes 10 l/min Yes 12 l/min
    Inbuilt system bypass Yes Yes Yes
    Inbuilt Condensate Trap/siphon Yes Yes Yes
    Inbuilt Boiler Frost Protection Two Stage Two Stage Two Stage
    Zero compartment Ventilation Yes Yes Yes
    Flues      
    Ø60/100 mm Horizontal 10m 10m 10m
    Ø60/100 mm Vertical 10m 10m 10m
    Ø80/125 mm Horizontal 25m 25m 25m
    Ø80/125 mm Vertical 25m 25m 25m
    Clearences & User Interface      
    Clearences      
    Top (mm) (from top of boiler) 150 150 150
    Side (mm) 0 0 0
    Bottom (mm) 200 200 200
    Front (mm)** 600 600 600
    User Interface      
    User display Digital Plan Text Digital Plan Text Digital Plan Text
    Diagnostics Advanced/ Intuitive Advanced/ Intuitive Advanced/ Intuitive
    User adjustable CH Temp control Yes Yes Yes
    User adjustable DHW Temp control Yes Yes Yes
    "Eco" Setting on DHW Yes Yes Yes
    Optional Analogue Timer Kit  Yes Yes Yes
    Optional Digital Timer Kit  Yes Yes Yes
    Pipes & Flues      
    Pipes      
    Optional Prefixing jig***  Yes Yes Yes
    Optional spacing frame Yes Yes Yes
    Water connections 2 x 22mm           2 x 15mm 2 x 22mm           2 x 15mm 2 x 22mm         2 x 15mm
    Flues      
    Ø60/100 mm Horizontal 10m 10m 10m
    Ø60/100 mm Vertical 10m 10m 10m
    Ø80/125 mm Horizontal 25m 25m 25m
    Ø80/125 mm Vertical 25m 25m 25m
    Optional plume management kit Yes Yes Yes
    * 1 metre from the tap      
    ** This can be reduced to 5mm for removable panel    
    *** Upward and downward piping