Worcester ZWBR 7-28 HE plus Installation And Servicing Instructions page 10

Details of the appliance
Condensate analysis, mg/l
Ammonium 1.2
Lead ≤ 0.01
Cadmium ≤ 0.001
Chromium ≤ 0.005
Halogenated
hydrocarbons ≤ 0.002
Hydrocarbons 0.015
Copper 0.028
Table 3
Flue system
HORIZONTAL 100 mm – Standard
Overall Diameter of Duct
Flue Terminal / Duct
Assembly Length
Extension Duct Length
Table 4
ALTERNATIVE HORIZONTAL 125 mm FLUE SYSTEM
Overall Diameter of Duct
Flue Terminal / Duct
Assembly
Extension Duct Length -
Fixed
Extension Duct Length -
Fixed
Extension Duct Length -
Fixed
Extension Duct Length -
Fixed
Extension Duct Length -
Telescopic
Extension Duct Length -
Adjustable (Cut to length)
Table 5
10
Nickel 0.15
Mercury ≤ 0.0001
Sulphate 1
Zinc ≤ 0.015
Tin ≤ 0.01
Vanadium ≤ 0.001
pH-value 4.8
mm 100
mm 750
Max. 4 m
mm 1000
mm 125
mm 550
mm 200
Max. 13 m
mm 450
(ZWBR 7-28)
Max. 10 m
mm 950
(ZWBR 11-35)
including turret
mm 1950
mm 265-
375
mm 200
VERTICAL 125 mm FLUE SYSTEM
Overall Diametter of Duct
Flue Terminal / Duct
Assembly
Extension Duct Length
Extension Duct Length -
Fixed
Extension Duct Length -
Fixed
Extension Duct Length -
Fixed
Extension Duct Length -
Telescopic
Extension Duct Length -
Adjustable (Cut to length)
Table 6
Elbow - 90 °
Equivalent length 2 m
Gas supply
Total length of gas supply pipe
(metres)
3 6
3
Gas discharge rate (m /h)
8.7 5.8
18.0 12.0
Table 7
Domestic water performance
Temperature
Rise
Domestic
Temperature
Water Flow
Rise
Rate l/min
Temperature
Rise
Maximum Mains pressure
Minimum Mains pressure
Table 8
mm 125
mm 1360
mm 200
mm 450
Max. 15 m
(ZWBR 7-28)
mm 950
Max. 12 m
(ZWBR 11-35)
mm 1950
mm 265-
375
mm 450
Bend - 45 °
Equivalent length 1m
Pipe diameter
(mm)
9
4.6 22
9.4 28
ZWBR ZWBR
7-28 11-35
30 °C
13.7 17.0
11.7 14.6
35 °C
10.3 12.8
40 °C
10.0 10.0
bar
0.2 0.2
bar
6 720 610 597 GB (01.07)