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70
8.31 FUSES
The following circuits are protected by replaceable fuses:
Room thermostat
•
Central heating circulating pump
•
Solar circulating pump
•
Electric boiler main PCB
•
Solar controller control PCB
•
To replace the fuse for the room thermostat, the central heating circulating pump or the solar
circulating pump:
Open the Electromax Solar Control Panel front cover by pressing at the top middle to re-
1.
lease the catch and allow the cover to drop forward.
Locate the correct fuse holder ( bottom left hand corner of the control panel ).
2.
Open the fuse holder using a screw driver and remove the fuse.
3.
Fit a new fuse and replace the fuse holder cover.
4.
To replace the fuse for the solar control PCB:
Unscrew the two screws holding the Electromax Solar control panel in place and allow it
1.
to drop forward.
Unscrew the two screws holding the control panel back cover in place and remove the
2.
back cover.
Locate the fuse holder on the solar control PCB.
3.
Remove the fuse from the fuse holder.
4.
Fit a new fuse and replace the Electromax Solar control back cover and the Electromax
5.
Solar control panel.
To replace the fuse for the electric boiler main PCB:
Unscrew the screw holding the electric boiler PCB housing cover in place and remove the
1.
cover.
Locate the fuse holder on the electric boiler main PCB.
2.
Remove the fuse from the fuse holder.
3.
Fit a new fuse and replace the electric boiler PCB housing cover.
4.
FIGURE 44: ELECTRIC BOILER MAIN PCB FUSE
L
E
N
L
N
E
R
N
NC
PUMP
CONTR
OL
FUSE