Technical Data - Worcester 14/19CBi Installation And Servicing Instructions

3. Technical Data

Table 1. Factory set at maximum input
NOMINAL BOILER RATINGS (10 Minutes After Lighting)
APPLIANCE
OUTPUT
kW
14.00
9/14CBi NG
11.50
9.00
14/19CBi NG 19.05
16.52
14.00
23.45
19/24CBi NG
21.25
19.05
9/14CBi LPG 14.00
12.00
10.00
14/19CBi LPG
19.05
16.52
14.00
23.45
19/24CBi LPG
21.25
19.05
Table 2.
HORIZONTAL FLUE
WALL HOLE DIAMETER
STANDARD TELESCOPIC FLUE KIT
EXTENDED FLUE
INTERNAL FLUE - REAR ONLY WITHIN CABINET
FLUE ASSEMBLY DIAMETER
VERTICAL FLUE
NOTE: FOR VERTICAL FLUE REFER TO A SEPARATE LEAFLET FOR INFORMATION
Table 3 9/14CBi
HYDRAULIC RESISTANCE
BOILER OUTPUT RESISTANCE MIN. FLOW RATE
kW Metres
0.06
9.0
0.13
14.0 0.28
NOTE: Pump is fitted externally
BURNER
INPUT (Net)
PRESSURE
kW m bar.
15.28 11.0
12.70 7.3
10.11 4.5
20.57 11.5
17.96 8.5
15.38 6.0
25.74 12.0
23.35 9.8
21.16 7.8
15.28 27.2
13.18 20.4
11.17 15.4
20.57 25.4
17.96 19.0
15.38 13.9
25.74 29.9
23.35 24.6
21.16 20.2
FLUE DETAILS
FLOW/RETURN
DIFFERENTIAL
L/min. °C
6.5 20
11.7 11
18.2 11
The data plate is fixed to the inner casing cover.
GAS RATE
3
m /h
1.34
1.41
1.07
2.18
1.90
1.63
2.72
2.47
2.24
0.63
0.54
0.45
0.84
0.73
0.63
1.05
0.96 Natural Gas: Net Input = Gross Input x 0.901
0.87 Propane: Net Input = Gross Input x 0.921
EXTERNAL FIX
INTERNAL FIX
MINIMUM LENGTH
MAXIMUM LENGTH
2.5m (19/24CBi) or 3.0m (9/14 and 14/19CBi)
MAXIMUM LENGTH
MINIMUM LENGTH
MAXIMUM LENGTH
MINIMUM LENGTH
MAXIMUM LENGTH 3.35m (19/24CBi) or 4.1m (9/14 and 14/19CBi)
Table 3 14/19CBi
HYDRAULIC RESISTANCE
BOILER OUTPUT RESISTANCE MIN. FLOW RATE
kW Metres
0.09
14.0
0.26
19 .05 0.52
Table 3 19/24CBi
HYDRAULIC RESISTANCE
BOILER OUTPUT RESISTANCE MIN. FLOW RATE
kW Metres
0.15
19.05
0.52
23.44 0.73
4
mm
110
150
425
725
220
375
100
1100
FLOW/RETURN
DIFFERENTIAL
L/min. °C
10 20
18.2 11
24.8 11
FLOW/RETURN
DIFFERENTIAL
L/min. °C
13.7 20
24.8 11
30.5 11