SEE FIG. 16
Withdraw Photo Electric Cell from the burner head. Clean
PEC sensing end with a soft cloth taking care not to
scratch the light sensitive body. Re-insert PEC taking care
to insert the correct way round.
Should the cell show signs of distortion or cracking,
replacement will be necessary. See ‘PEC Replacement’ -
Page 17.
SEE FIG. 17
1.
Remove pozi screws, pull off fan case inlet.
2.
Clean between the blades of the fan impellor with a
small brush and remove any residue.
Re-assemble the burner in reverse order.
NOTE:
Burner head gaskets should be renewed at each
service.
11
Burner Servicing
PHOTO ELECTRIC CELL (PEC)
CLEANING
FIG. 17
DESN 514824
FIG. 16
DESN 514848
FAN CLEANING
RE-ASSEMBLE BURNER
Summary of Contents for Alpha 120
Page 19: ...Replacement of parts Electrical controls FIG 34 DESN 514830 19 ...
Page 26: ...26 FIG 43 Fault Finding ...
Page 30: ...30 Fault Finding ...
Page 31: ...Fault Finding 31 ...
Page 32: ...32 Fault Finding ...
Page 33: ...33 Fault Finding ...
Page 35: ...35 ...
