Greenstar 37CDi

Description

The Greenstar CDi gas combi boilers are our top of the range appliances.

You can control both the hot water and central heating temperatures on a Greenstar CDi combi. They also offer the widest choice of operating features within our gas boiler range, providing the ultimate in user convenience, performance and economy.

Greenstar CDi combi boilers are unique in that they condense in both heating and hot water modes, resulting in greater efficiency and fuel savings.

The higher outputs of Greenstar CDi boilers can be suitable for larger properties with more than one bathroom.

For further peace of mind, every boiler in Worcester’s Greenstar gas and LPG condensing boiler range has been awarded a Which? Best Buy accreditation.

Central heating output: 30kW
Domestic hot water flow rate: 15.2 litres per minute at 35 degree temperature rise (provided adequate mains pressure is available)

Efficiency

• 90.2% AThe Greenstar 37CDi is 90.2% efficient and is in the highest possible official efficiency category, SEDBUK band ‘A‘
• This boiler is registered with the Energy Saving Trust.

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Features and benefits

• Best boiler efficiency rating (SEDBUK band A)
• Fully condensing in both central heating and domestic hot water modes
• Keep hot facility - instantly available hot water

• Wall mounting frame allows pipework to be hidden from view

• Vertical pre-piping kit

• Below boiler pipe cover

• Earth bonding strip

• Low NOx and CO2 emissions - environmentally friendly

• 5 year boiler guarantee until 31st March 2012 (Standard guarantee: 2 year boiler guarantee, 10 year guarantee on primary heat exchanger and 5 year anti-scale guarantee on domestic hot water heat exchanger (all subject to terms and conditions))

• Hot water and central heating temperatures can be controlled

• Multi-directional fluing means boiler can be sited in a wider variety of places
• Mechanical, digital and new generation intelligent controls all compatible
• Heat load and flow generated precisely to meet the heating system’s requirements using a modulating pump

Technical data table

Technical data
Title	Value
NOx classifications (mg/kWh)	21.8
Primary water content (litres)	3.75
Hot/cold water connections	15mm compression
Height (mm)	760mm (max)
Width (mm)	440mm
Depth (mm)	360mm (max)
Weight	48.5kg
DHW flow rate @ 35°C rise	15.2
DHW flow rate @ 40°C rise	13.3
Output to central heating	9.4 - 30kW (32,073 - 102,360Btu)
Solar compatible	No
Maximum horizontal flue (100mm Ø)	6,500
Maximum vertical flue (100mm Ø)	8,000
Maximum horizontal flue (125mm Ø)	16,000
Maximum vertical flue (125mm Ø)	16,000
Gas connection	22mm compression
Pressure relief valve	15mm ф
Heating flow and return connections	22mm compression
Condensate connection	22mm plastic pipe
Maximum domestic water inlet pressure	10 bar
Minimum domestic water inlet pressure for maximum DHW rate	1.6 bar
Minimum domestic water inlet pressure to operate the appliance	0.2 bar
NOx class	Class 5
Wall mounting jig	Yes
Filling link	Yes
Plug-in timers	Yes (optional)
Optimising room temperature controller	Yes (optional)
Intelligent controls	Yes (optional)
Condensing in DHW mode	Yes
SEDBUK value %/band - natural gas	90.2%/Band A
SEDBUK value %/band - LPG	92.2%/Band A

Literature

Product guides and brochures
Title/description	Part number	Order
Greenstar gas boiler brochure A guide to our gas boilers and choosing the best boiler for your home.	8 716 109 642	Download (2.29 Mb) Order a printed copy
Product guide for gas boilers and solar heating Quick pocket-sized reference for trade professionals on gas boilers and solar water heating.	8 716 116 255	Download (2.08 Mb) Order a printed copy

Product literature
Title/description	Part number	Order
Gas boiler wiring guide	6 720 646 965	Download (18.11 Mb)
Greenstar CDi installation manual	6 720 614 564	Download (33.58 Mb) Order a printed copy
Greenstar CDi service booklet for engineers	8 716 115 748	Download (5.86 Mb) Order a printed copy
Guide to re-setting the 'SE' code on Greenstar CDi boilers	8 716 112 353	Download (0.89 Mb) Order a printed copy
Product bulletin: new low NOx boilers, new Greenstar Si and i System controls	Gas PB 01/2011	Download (1.09 Mb)
Tech and spec for wall mounted gas combi boiler	8 716 115 773	Download (5.02 Mb) Order a printed copy
User manual for Greenstar CDi	6 720 614 059	Download (1.02 Mb) Order a printed copy
Wall mounting bracket addendum sheet to installation instructions	6 720 614 232	Download (0.53 Mb) Order a printed copy

Accessory literature
Title/description	Part number	Order
DT10RF Digistat (MK 2) instructions	8 716 115 493	Download (4.24 Mb) Order a printed copy
DT10RF Digistat and digistat optimiser (MK 1) instructions	8 716 106 652	Download (1.19 Mb)
DT10RF optimiser (MK 2) instructions	8 716 115 494	Download (4.68 Mb) Order a printed copy
DT20 Twin Channel Digital Timer user instructions	8 716 106 647	Download (2.07 Mb) Order a printed copy
DT20RF Digital RF thermostat with twin channel programmer (MK 1) instructions	8 716 106 659	Download (1.95 Mb)
DT20RF Digital RF thermostat with twin channel programmer (MK 2) instructions	8 716 115 495	Download (4.40 Mb) Order a printed copy
FR10 instructions	6 720 617 760	Download (0.53 Mb) Order a printed copy
FR110 instructions	6 720 617 762	Download (3.24 Mb) Order a printed copy
FW100 instructions	6 720 617 763	Download (3.60 Mb) Order a printed copy
FW100 Quick guide	6 720 617 764	Download (0.15 Mb) Order a printed copy
MT10 instructions	8 716 106 641	Download (0.54 Mb) Order a printed copy
MT10RF mechanical RF thermostat instruction manual	8 716 107 486	Download (1.31 Mb) Order a printed copy
MT10RF user instructions (MK II models from Aug 09)	8 716 115 752	Download (1.87 Mb) Order a printed copy
Quick start guide for MT10RF	8 716 115 007	Download (0.33 Mb) Order a printed copy
RT10 installation and user manual	6 720 612 218	Download (0.41 Mb) Order a printed copy
TD200 installation and user manual	6 720 612 220	Download (1.11 Mb) Order a printed copy
Tech and spec for heating controls	8 716 115 653	Download (1.68 Mb) Order a printed copy

Flue literature
Title/description	Part number	Order
60/100mm horizontal flue instruction manual	6 720 644 842	Download (5.64 Mb) Order a printed copy
60/100mm Vertical flue kit instructions	6 720 611 739	Download (0.41 Mb) Order a printed copy
80/125mm 45° flue duct kit instructions	6 720 641 098	Download (0.18 Mb) Order a printed copy
80/125mm 90° flue duct kit instructions	6 720 641 097	Download (0.18 Mb) Order a printed copy
80/125mm flue extension kit instructions	6 720 641 099	Download (0.14 Mb) Order a printed copy
80/125mm horizontal flue instructions	6 720 611 436	Download (0.31 Mb) Order a printed copy
80/125mm vertical flue kit instructions	6 720 611 740	Download (0.40 Mb) Order a printed copy

Installation

• Installation requirements
• Siting of appliance
• Compartment installation
• Wall preparation
• Condensate pipework
• Internal condensate connections
• Plume management terminal positioning
• Flue terminal positioning
• External condensate connections
• Pipework connections and casing dimensions
• Boiler location & clearances
• Sealed primary systems
• Supply requirements