Thermistor Replacement; Heater Assembly Replacement - Dimplex XLF50 Service Manual

CAUTION: When removing and replacing the flicker mo-
tor try to keep any slight bending of the flicker rod minimal
so as to not damage it. If flicker rod is damaged, it should
be replaced to ensure proper operation.
11. Reassemble in the reverse order as above.

Thermistor Replacement

WARNING: Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights and heating elements to cool
off to avoid accidental burning of skin.
Tools required: Phillips head screwdriver
CAUTION: Follow "Preparation for Service" instructions
before proceeding.
1. Locate the thermistor attached to the bracket in the
upper left hand side of the unit. (Figure 12)
2. Remove the thermistor by cutting the tie wrap securing
it to the standoff.
3. Follow the cable back to the main control board and
disconnect the old thermistor and connect the new
cable.
4. Rerun the thermistor back to the brack ensuring that
the wiring is replaced in the original locations.
5. Ensure that all wires are replaced in the same manner
as prior to the service.
6. Reassemble in the reverse order as above.

Heater Assembly Replacement

WARNING: Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights and heating elements to cool
off to avoid accidental burning of skin.
Tools required: Phillips head screwdriver
Needle nosed pliers
Wire cutters (XLF60, XLF74, & XLF100)
CAUTION: Follow "Preparation for Service" instructions
before proceeding.
1. Remove the 10 screws that secure the heater assem-
bly retaining bracket to the unit. Remove the bracket
and set aside.
2. Locate and remove the 4 screws that secure the as-
sembly to the unit.
CAUTION: When removing the blower assembly mount-
ing screws support the assembly to prevent any damage to
the unit.
For the XLF50
3. Disconnect the wiring connections, noting their original
locations.
16
NOTE: Using a flat head screwdriver gently pry be-
!
tween the end of the connectors and the blower/fan to
release the wires.
4. Properly orient the new heater assembly and connect
all of the wiring connections.
5. Reassemble in the reverse order as above.
For the XLF60, XLF74, & XLF100 - Splice the wires
3. Disconnect the wiring connections from the wire con-
nectors, noting their original locations.
4. Cut the wires from the heater assembly that lead to the
main board. These should be cut close to the heater
assembly.
5. Properly orient and install the new heater assembly.
6. Cut the wires from the new heater assembly so that
they can be connected with the existing wires that lead
to the main control board. Avoid having them too long
to prevent them from obstructing other components.
7. Connect the wires from the new heater assembly to
those coming from the main control board using the
provided wire connectors.
8. Connect the rest of the wiring connections to their origi-
nal locations.
9. Reassemble in the reverse order as above.
Figure 10
Mounting Screws
Retaining
Bracket
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