
Supplied By www.heating spares.co Tel. 0161 620 6677
40
221474C
4.15 Transformer
Note. Timer/clock may be removed to improve access, see Section
4.32 or the control housing bottom half can be removed.
Remove the control housing cover screw, see diagram 4.8.
Remove control housing assembly, see diagram 4.1.
Remove the control housing cover and disconnect the electrical
connectors from the transformer, see diagram 4.8.
Remove the transformer securing screws (2 off) from beneath the
control housing, remove the transformer and insulation.
To connect the transformer cables correctly, refer to diagram 4.11.
4 Replacement of Parts
Diagram 4.8
FASCIA
HINGE PIN
CONTROL
HOUSING
COVER
SUPPORT POSTS
MULTI-PIN
CONNECTORS
USER CONTROL
BOARD
FASCIA
SECURING
SCREW (3)
TEMPERATURE
CONTROL KNOB
CONTROL
HOUSING
COVER
SECURING
SCREW
CONTROL
HOUSING
SECURING
SCREW (2)
TRANSFORMER
4595
Diagram 4.9
Diagram 4.10
FAN DRIVER
BOARD
FAN DRIVER
CONTROL
HOUSING
SECURING
SCREW NUT
SUPPORT
POSTS
MULTI-PIN
CONNECTORS
4596
5229
WIRING AS
DIAGRAM 4.12
CLOCK /
TIMER
COMMON
HEATING ON
L
N
BR
B
Y Y
BR
B
Y Y
Y1 Y2 N L
4 WAY
TERMINAL
BLOCK
Note:
Remove
'Yellow Link'
before fitting
Clock/Timer
*
*
Y
B BR
Y