Worcester 24ijunior Installation And Servicing Instructions page 15

Fig. 17 . Relief valve discharge connection
1
!
2
IMPORTANT
1. Relief valve
2. Relief valve discharge connection
3. Relief valve securing clip
4. System connection point
5. Expansion vessel connection
Fig. 18. Inner case and facia fixing
3
1
4
6
2
5
6
1. Inner casing cover
2. Control panel fixing screws (2)
3. Inner casing cover fixing screws (2)
4. Control panel
5. Controls connector cover
6. Controls connector cover fixing screws (2)
7. Programmer (optional)
8. Facia control panel fixing screw
9. Top support lug (2)
10. Bottom support lug (2)
6
5
4
7
3
8
6. Expansion vessel
securing clip
7. Flexible connector from
pump
8. O-ring
Fig. 19. Flue spigot and restrictor
1. Flue spigot fixing screws
2. Flue spigot
3. Restrictor ring
4. Flue spigot fixing holes
Fig. 20. Standard flue assembly
Flue
turret
assembly
Appliance
11.8 Air and Flue Duct Preparation
11.8.1 The method of installation of the flue system may be
varied to suit the actual site conditions. The instructions for
connecting and fixing the ducts must, however, be strictly
followed.
Remove all packing material from the flue components.
11.8.2
Flue length
Horizontal up to 1m
Horizontal above 1m
9
Vertical terminal and up to 1m flue
Vertical flue greater than 1000mm
7
11.8.3 Fit the flue restrictor ring by unscrewing the flue spigot
8
from the boiler. Refer to Fig. 19.
The standard telescopic flue assembly is suitable (without
cutting) for flues from 425mm up to 725mm measured from the
centre-line of the boiler flue outlet to the outer face of the wall.
10
Refer to Fig. 20.
The minimum length of the standard flue, after cutting is 275mm.
If L is greater than 725mm then extension duct kit/s will be required
- each kit extends the flue by 750mm up to a maximum of 3000
mm.
EXTENSION
15
L
Fixing screw
Telescopic adjustment
casing
RESTRICTOR RINGS
MAXIMUM FLUE LENGTH mm
1
2
3
1
2
3
4
Terminal
assembly
24i 28i
76mm 80mm
None None
76mm 80mm
None None
1475
2225
2975