Ultracom2 sxi
System Boiler
Available in 12, 18 & 30kW-
- High Efficiency and NOx Class 5 rated
- One way fit, simple wiring connections
- Clear fault code explanation
- Extremely quiet operation
- Plug in digital timer as an optional accessory
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Downloads
Product overview
Ultracom2 sxi
New High Efficiency system boiler range with a choice of flexible control options available in 12, 18 & 30 kW outputs.
Designed with hassle free installation in mind, the brand new Ultracom₂range of High Efficiency system 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 Ultracom2 sxi offers complete flexibility providing perfect home comfort for every application. Also featuring a unique receiver slot located inside the boiler, the Ultracom₂sxi and the new Climapro₂RF wireless programmable room thermostat are the perfect combination for advanced heating control.Key Features
- High Efficiency and NOx Class 5 rated
- Plug in digital timer as an optional accessory
- 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 (18 & 30kW models)
- 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 Climapro2 RF and Smart Wiring Centre
- Unique receiver slot inside the boiler for easy installation of the Climapro2 RF
- 2 years parts and labour warranty
Name Download File Flue Installation Instructions PDF (5 MB)
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Size & Performance
Size 12sxi 18sxi 30sxi Casing dimension (h w d)(mm) 740x418x346 740x418x346 740x418x346 Weight (packed) 37.1kg 37.1kg 38.3kg -
Performance
CH output (kW) Min/Max 3.9/12 4.9/18.2 8.5/30 CH Condensing Max output (Kw) n/a n/a n/a SEDBUK rating 2005 90,40% 90,40% A SEDBUK rating 2009 89,50% 89,10% 90,5 Nox class 5 (natural gas) Yes Yes Yes Adjestable to LPG No Yes Yes 12sxi 18sxi 30sxi -
Construction & Installation
Construction 12sxi 18sxi 30sxi 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 Integrated hydrobloc Yes Yes Yes Installation Suitable for sealed systems Yes Yes Yes Suitable for open-vent systems No No No Inbuilt system bypass Yes Yes Yes Inbuilt Condensate Trap/siphon Yes Yes Yes Inbuilt Boiler Frost Protection 2 Stage 2 Stage 2 Stage Continua Electronics n/a n/a n/a Zero compartment Ventilation Yes Yes Yes -
Clearences & User Interface
Clearences 12sxi 18sxi 30sxi 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 N/a N/a N/a Optional inbuilt timer n/a n/a n/a Optional Digital Timer Kit Yes Yes Yes -
Pipes & Flues
Pipes 12sxi 18sxi 30sxi Optional Prefixing jig*** Yes*** Yes*** Yes*** Prefixing jig with DIN Layout n/a n/a n/a Optional spacing frame Yes Yes Yes Water connections 2x22mm 2x22mm 2x22mm Flues Ø60/100 mm Horizontal 10m 10m 10m Ø60/100 mm Vertical 10m 10m 10m Ø80/125 mm Horizontal 20m 25m 25m Ø80/125 mm Vertical 20m 25m 25m Optional plume management kit Yes Yes Yes







