Worcester ZWBR 7-28 HE plus User Manual

6 720 610 597 GB (01.07)
10
Details of the appliance
Condensate analysis, mg/l
Flue system
Elbow - 90 ° Bend - 45 °
Equivalent length 2 m Equivalent length 1m
Gas supply
Domestic water performance
Ammonium 1.2 Nickel 0.15
Lead ≤ 0.01 Mercury ≤ 0.0001
Cadmium ≤ 0.001 Sulphate 1
Chromium ≤ 0.005 Zinc ≤ 0.015
Halogenated
hydrocarbons ≤ 0.002
Tin ≤ 0.01
Hydrocarbons 0.015 Vanadium ≤ 0.001
Copper 0.028 pH-value 4.8
Table 3
HORIZONTAL 100 mm – Standard
Overall Diameter of Duct mm 100
Max. 4 m
Flue Terminal / Duct
Assembly Length
mm 750
Extension Duct Length mm 1000
Table 4
ALTERNATIVE HORIZONTAL 125 mm FLUE SYSTEM
Overall Diameter of Duct mm 125
Max. 13 m
(ZWBR 7-28)
Max. 10 m
(ZWBR 11-35)
including turret
Flue Terminal / Duct
Assembly
mm 550
Extension Duct Length -
Fixed
mm 200
Extension Duct Length -
Fixed
mm 450
Extension Duct Length -
Fixed
mm 950
Extension Duct Length -
Fixed
mm 1950
Extension Duct Length -
Telescopic
mm 265-
375
Extension Duct Length -
Adjustable (Cut to length)
mm 200
Table 5
VERTICAL 125 mm FLUE SYSTEM
Overall Diametter of Duct mm 125
Max. 15 m
(ZWBR 7-28)
Max. 12 m
(ZWBR 11-35)
Flue Terminal / Duct
Assembly
mm 1360
Extension Duct Length mm 200
Extension Duct Length -
Fixed
mm 450
Extension Duct Length -
Fixed
mm 950
Extension Duct Length -
Fixed
mm 1950
Extension Duct Length -
Telescopic
mm 265-
375
Extension Duct Length -
Adjustable (Cut to length)
mm 450
Table 6
Total length of gas supply pipe
(metres)
Pipe diameter
(mm)
369
Gas discharge rate (m
3
/h)
8.7 5.8 4.6 22
18.0 12.0 9.4 28
Table 7
ZWBR
7-28
ZWBR
11-35
Domestic
Water Flow
Rate l/min
Temperature
Rise
30 °C
13.7 17.0
Temperature
Rise
35 °C
11.7 14.6
Temperature
Rise
40 °C
10.3 12.8
Maximum Mains pressure bar
10.0 10.0
Minimum Mains pressure bar
0.2 0.2
Table 8

Worcester ZWBR 7-28 HE plus Specifications

General

Brand	Worcester
Model	ZWBR 7-28 HE plus
Category	Boiler
Language	English