25
9
TECHNICAL SPECIFICATION
9-B: Technical Specifications and Recommendations
Heat Output 50-120,000 Btu/Hr
Electricity Supply 230 v - Boiler~50 Hz
To be fused at 5 amp
System Pipe Connections (on boiler)
Heating Flow 22 mm (28mm - 90-120,00 Btu/Hr)
Heating Return 22 mm (28mm - 90-120,00 Btu/Hr)
Mains Cold Water Boiler
connection for filling loop 15 mm
Safety pressure Relief Valve
Outlet 15 mm
All Copper Tube connections: BS 2871 Copper Tube
Pressure Jet Oil Burner
Riello RDB or Ecoflam Flair or Bentone Sterling
Circulating Pumps Grundfos UPS 25/60
Flue Pipe Connection
Conventional Flue Socket To take tail piece for 4”(100mm) & 5”(125mm)
S/S Flue Pipe
Balanced Flue Assembly 5”(125mm) Concentric Flue
Weight (Dry) - Incl. Pallet 50-70btu’s - 160 Kg
70-90btu’s - 162 Kg
90-120btu’s - 177 Kg
Water Content - Total 50-70btu’s - 59 Litres
70-90btu’s - 59 Litres
90-120btu’s - 68 Litres
Thermostats
Boiler Central heating Control
(Adjustable) 65˚C - 85˚C
Boiler Safety Limit 110˚C
Boiler integral Expansion
Vessel nominal capacity 10, 12 & 14 Litres pre-charged to 1 Bar
Heating System (Sealed) Fit in accordance with BS 7074
Part I, BS 5449, OFTEC
Standards, etc.
Max. Operating Pressure 2.5 Bar (Follow all BS & OFTEC Standards)
Max. System Pressure (Cold) 1.5 Bar
Min. System Pressure (Cold) 0.5 Bar + 0.3 Bar
Boiler Test Pressure 4.5 Bar
Safety Valve Operating Pressure 3 Bar
Heating System Pressure Gauge
(mains supply excepted) 0 - 6 Bar Range
Flue Draught Reqd.
(Conventional Flue) Min: 0.040 In WG
Max: 0.15 ln WG
Water side resistance-10˚C Diff 26.8 ins WG
-20˚C Diff 8.6 ins WG