Dimplex CXLS12N Operating Instructions page 3

Manual Operation
With the OUTPUT control on minimum the damper remains closed, and heat is released from the heater only by normal radiation
and convection around the outer surfaces of the heater. This alone may provide sufficient heat on many occasions and therefore no
alteration of the OUTPUT control is necessary. However, if a boost of heat is required in the evening period, then moving the
OUTPUT control to maximum in the evening will immediately open the damper to allow more rapid release of any available stored
heat. When the next charging period commences the damper will automatically close to prevent this release of extra heat during the
charge period, but the OUTPUT control must be returned to minimum manually to obtain a similar operation the following day.
Automatic Operation
The damper may be pre-set to open automatically each day if required. Setting the OUTPUT control at settings other than
minimum results in an automatic boost of heat. A high setting on the output control knob causes the damper to open early afternoon/
evening, conversely a lower setting causes it to open later.
Because the automatic opening of the damper is primarily dependent on core temperature then the amount of charge the heater
has taken has a bearing on the time at which the damper opens. For a given setting of the OUTPUT control, the colder the weather
(and consequentially, the greater the charge taken automatically by the heater) the later the damper will open.
Conversely, for a lower charge input (in milder weather) the earlier the damper will open for a given room temperature boost
setting.
The most suitable settings of the Output control for different conditions will be found by experience.
Remember - a high setting of the OUTPUT control early in the day may leave too little heat stored in the heater for the evening,
especially during the less cold weather conditions.
CONVECTOR HEATER OPERATION
Convector Heater - Principle of operation
In addition to the storage heater section the CXLSN incorporates a convector heater element in the front of the heater which may be
used independently of the storage heater, for example to "top up" on very cold days, or for use in late spring and early autumn when
only infrequent cold spells do not justify continuous use of storage heater. Cool air is drawn in at the base of the heater, heated by
the convector element, and subsequently emitted from the grille at the top front of the heater.
The convector heater section is intended for use when the output of the storage heater is not sufficient to maintain the desired comfort
level. For the most economical operation of the CXLSN, the heating system should normally be designed so that the storage heater
section provides the bulk of the heating requirements, and the convector heater section provides only top up heat, for example, later
in the day in cold weather.