Dimplex DF2690 Service Manual page 14

1. Remove the firebox from the mantel.
2. Remove top trim piece by unscrewing three (3) Philips
head screws that lay behind the trim piece and along
the top edge. (Figure 19)
3. Remove the 10 screws that fasten the top cover to
the rest of the firebox. There are: (four) 4 screws at
the back of the firebox, along the top; two (2) screws
on each side and at the top of the firebox; and two (2)
screws on the top of the firebox. (Figure 20)
4. Flip the top panel over and place upside down on the
top of the unit. You may experience some resistance
as the Heater Assembly is mounted to the top panel
and may be a snug fit inside the firebox. Orient
yourself with the placement of the Heater Assembly
and wiring as shown in Figure 21.
5. Disconnect the two (2) wire connectors on the right
side of the Heater Assembly (one blue, one black), the
three (3) vertically stacked wire connectors attached
to the left side of the heating element (one yellow and
two grey), and the two (2) wire connectors on the left
side of the Heater Assembly (one grey and one black),
noting all of their original positions.
6. Turn the top panel over and while supporting the
Heater Assembly and panel in one hand, remove the
five (5) heater mounting screws, noting the center
screw is of a larger diameter. (Figure 22)
7. Separate the Heater Assembly from the top panel.
8. Properly orient the new Heater Assembly and connect
all of the wiring connections.
9. Reassemble in the reverse order as above.
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