Worcester 28i RSF - Technical Data

The data plate is fixed to the inner casing cover.
3. Technical Data
4
NOMINAL BOILER RATINGS (10 Minutes After Lighting)
BOILER ADJUSTED FOR G20 (Natural Gas)
OUTPUT INPUT (Net) GAS RATE
kW kW m bar. m
3
/h
8.5 10.5 1.0 1.11
10.5 13.5 1.5 1.38
27.5 30.0 13.5 3.17
Table 1.
BURNER
PRESSURE
MAXIMUM AVAILABLE PUMP HEAD
BOILER OUTPUT HEAD MIN. FLOW RATE
kW Metres L/min. °C
10.5 4.19 13.7 11
27.5 2.0 27.5 14
Table 3
MECHANICAL SPECIFICATIONS
CENTRAL HEATING FLOW - COMPRESSION 22mm
RETURN - COMPRESSION 22mm
COLD WATER INLET - COMPRESSION 15mm
DOMESTIC WATER FLOW - COMPRESSION 15mm
GAS INLET Rp
1
⁄
2
RELIEF VALVE DISCHARGE (PUSH FIT) 15mm
CASING HEIGHT 800mm
CASING WIDTH 450mm
CASING DEPTH 360mm
WEIGHT - LIFT 42.3kg
WEIGHT - UNPACKED (DRY) 45.8kg
WEIGHT - PACKAGED 52kg
Table 4
FLUE DETAILS
HORIZONTAL FLUE mm
WALL HOLE DIAMETER EXTERNAL FIX 110
INTERNAL FIX 150
STANDARD FLUE MINIMUM LENGTH 330/425
*
MAXIMUM LENGTH 725
EXTENDED FLUE MAXIMUM LENGTH 2500
FLUE ASSEMBLY DIAMETER 100
Table 2.
FLOW/RETURN
DIFFERENTIAL
Natural Gas: Net Input = Gross Input x 0.901
* Hot water setting - manual adjustment
**Central heating setting - non adjustable
* NOTE : Flue lengths between 330 and 425mm require the flue to be cut
*
**