Worcester 24I RSF User Manual

Supplied By www.heating spares.co Tel. 0161 620 6677
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)
SEDBUK 78.3% D
Table 4
FLUE DETAILS
HORIZONTAL FLUE (Side or Rear) mm
FLUE DIAMETER 100
WALL HOLE DIAMETER 110
WALL HOLE DIAMETER (using internal flue fitting kit) 150
STANDARD FLUE – MINIMUM LENGTH 330/425*
STANDARD FLUE – MAXIMUM LENGTH 725
EXTENDED FLUE – MAXIMUM LENGTH 2500
Table 2.
*NOTE: Flue lengths between 330 and 425 require the flue to be cut.

Worcester 24I RSF Specifications

General

Model	24I RSF
Category	Boiler
Output	24 kW
Fuel Type	Natural Gas
Mounting	Wall-mounted
Warranty	2 years
Type	Regular
Hot Water Flow Rate	11 L/min