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The data plate is fixed to the inner casing cover.
3. Data Tables
4
NOMINAL BOILER RATINGS
OUTPUT INPUT (Net).
BURNER SETTING
GAS RATE
PRESSURE
kW Btu/h kW Btu/h m bar. in. wg. m
3
/h ft
3
/h
NATURAL GAS
7.5 (25,600) 9.60 (32,750) 1.0 0.4 1.01 35.7
23.4 (80,000) 26.05 (88,890) 13.6 5.4 2.76 97.5
PROPANE
7.5 (25,600) 9.60 (32,750) 3.5 1.4 0.39 13.9
23.4 (80,000) 26.05 (88,890) 35.0 14.0 1.07 37.8
Table 1
AVAILABLE PUMP HEAD
BOILER OUTPUT HEAD MIN. FLOW RATE
TEMPERATURE RISE
ACROSS HEATING
kW Btu/h Metres Feet L/min. Gal/Min. FLOW AND RETURN
7.5 (25,600) 6.0 19.7 9.8 2.2
11°C (20°F)
23.4 (80,000) 2.6 8.5 30.5 6.7
Table 3
SPECIFICATIONS
CENTRAL HEATING FLOW FITTING 22mm Compression
CENTRAL HEATING RETURN FITTING 22mm Compression
COLD WATER MAINS INLET FITTING 15mm Compression
DOMESTIC HOT WATER OUTLET FITTING 15mm Compression
GAS INLET FITTING Rc
1
⁄2inch
PRESSURE RELIEF VALVE DISCHARGE FITTING 15 mm Copper Tube
OVERALL HEIGHT (including flue turret) 960mm (37.8 inches)
CASING HEIGHT 800mm (31.5 inches)
CASING WIDTH 450mm (17.7 inches)
CASING DEPTH 360mm (14.2 inches)
WEIGHT(including water) 44 kg
INSTALLATION WEIGHT 39 kg
PACKAGED WEIGHT 44 kg
PRIMARY WATER CAPACITY 3.0 litres
MAXIMUM COLD SUPPLY PRESSURE 10 Bar (150 psi)
MINIMUM COLD SUPPLY PRESSURE (working) for max. hot water flow 0.9 bar
MINIMUM COLD SUPPLY PRESSURE (working) to operate appliance 0.1 bar
MAXIMUM CENTRAL HEATING FLOW TEMPERATURE Nominally 82°C (180°F)
OUTPUT TO DOMESTIC HOT WATER Modulating 7.5 to 23.4 kW
OUTPUT TO CENTRAL HEATING Modulating 7.5 to 23.4 kW
MAXIMUM DOMESTIC HOT WATER FLOW RATE (from the appliance) Nominally 8.0 ± 15% litres/min
EQUIVALENT DOMESTIC HOT WATER FLOW RATE TO GIVE A TEMP RISE Nominally 11.2 litres/min
OF 30°C (SPECIFIC RATE)
Table 4
FLUE DETAILS
HORIZONTAL FLUE (Side or Rear) mm inches
FLUE DIAMETER 100 3.9
WALL HOLE DIAMETER 110 4.25
WALL HOLE DIAMETER (using internal flue fitting kit) 150 5.9
STANDARD FLUE – MINIMUM LENGTH 127 5.0
STANDARD FLUE – MAXIMUM LENGTH 350 14.0
EXTENDED FLUE – MAXIMUM LENGTH 2500 98.4
Table 2.