Dimplex SP320 Installation And Operating Instructions Manual page 7

Remove the defective lamp by unscrewing it (see Fig. 12).
Replace with a 60W E14 SES Clear Candle bulb, rotating it.
Take care not to over-tighten the lamp.
Steps for reassembling the heater
1. Refit the rotisserie making sure that the rubber
grommet is carefully pushed into the slotted hole on the axial
bracket (see Fig. 11).
2. Refit the fuel effect ensuring that the fuel effect bracket
on the fuel effect slots in between the fuel effect retaining
bracket and the inner glass (see Fig. 10).
3. Refit the the window assembly (ensuring that its base
is held in place i.e. that it slots into the channel on the frame
(see Fig. 10) reversing the steps as outlined previously.
rotisserrie
see detail 'A'
rotate bulbs
to remove
Detail 'A'
Fig. 12