User manual

REPLACEMENT OF PARTS
9. Access to boiler control components
 Remove 3 screws (A) and remove cover
from control.
10. PCB fuse
 Remove fuse F1 (B) from the PCB and
replace.
 There is a spare fuse clipped into the
underside of the electrical cover.
11.Transformer
 Disconnect all electrical connections
from the control.
 Remove 5 screws (C) retaining the rear
panel of the control and remove panel.
 Pull transformer upwards from PCB.
9
11
A
C
C
REPLACEMENT OF PARTS
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 12i System/24i System
8 716 107 375b (11/05)
43
SERVICING
& SPARES
10
B
Spare Fuse order
T1.6L 250V F2
T2.5H 250V F1
T500L 250V F3