Technical data

99
Technical data
Boiler Greenstar Highfl ow 440CDi Greenstar Highfl ow 550CDi
Height
850mm 850mm
Width
600mm 600mm
Depth
600mm* 600mm*
Weight – dry
112kg 112kg
2005 SEDBUK value – natural gas
90.8% / A rated 91% / A rated
2005 SEDBUK value – LPG
92.2% / A rated 92.2% / A rated
2009 SEDBUK value – natural gas
89.2% 89.2%
2009 SEDBUK value – LPG
90.2% 90.2%
Heating fl ow / return connections
22mm compression 22mm compression
Hot / cold water connections
22mm compression 22mm compression
Pressure relief valve
15mm dia. 15mm dia.
Condensate connection
22mm plastic pipe 22mm plastic pipe
Gas connection
22mm compression 22mm compression
Primary water content
51 litres 51 litres
Minimum domestic inlet pressure for max. DHW fl ow rate
1.5bar 1.7bar
Minimum domestic inlet pressure to operate the appliance
0.5bar 0.5bar
Maximum domestic inlet pressure
10bar 10bar
DHW fl ow rate @ 35ºC∆T
20 l/min 25 l/min
Output to central heating
7.4 - 29.2kW 9.7 - 30.6kW
Floor mounted pre-plumbing jig
99
Filling link
99
Plug-in timer
9
(optional)
9
(optional)
Condensate disposal pump
99
Fault diagnostic display
Digital Digital
Max. vertical fl ue (100mm dia.) inc. terminal
6,400mm 6,400mm
Max. vertical fl ue (125mm dia.) inc. terminal
15,000mm 15,000mm
Max. horizontal fl ue (100mm dia.)
4,000mm 4,000mm
Max. horizontal fl ue (125mm dia.)
13,000mm 13,000mm
NOx classifi cation – natural gas
33.3mg/kWh 32.2mg/kWh
NOx class
55
*630mm to front of flap.