Dimplex RKHA Series Manual page 3

Maintenance
WARNING: Disconnect power and allow heater to cool
before attempting any maintenance or cleaning to reduce
the risk of fire, electric shock, or injury to persons.
Remove grille and frame by removing screws "A". Remove
two screws "B", and slide out heating assembly. When
re-assembling, reverse the procedure above.
Cleaning
!
NOTE: This heater should not be operated with an
accumulation of dust or dirt on or in the unit, as this can
cause a build-up of heat and eventual damage. For this
reason the heater must be inspected regularly, depending
upon conditions and at least at yearly intervals.
FIGURE 5
Factory Wiring
208/240 675/900 WATTS
3.2 A / 3.7A
FAN
M
IMPORTANT: Terminate unused leads with wire nuts and
retighten all leads with cable clamp
NOTE: See supplemental wiring diagram for thermostat wiring, Figure 5a.
3
Field Wiring
208/240 1350/1800 WATTS
6.5 A / 7.5 A
FAN
M
M
Safety Switch
• With grille in place - Use vacuum cleaner hose to suck
out lint and dirt around grille. Reverse hose on vacuum to
use as a blower to move dust out of enclosure. Reverse
hose back to suck out dirt at front area of heater.
• With grille removed - Remove two screws "B" at bottom
front of heating element assembly. Pull gently to remove
it from enclosure. Swing assembly out. Vacuum inside of
enclosure and around heating element assembly. Reverse
procedure above to re-assemble unit.
FAN
M
M
Safety Switch
Field Wiring
120 V
M
Safety Switch
RATING CONNECT
450W / 3.75A 7-8 (AS SHOWN)
900W / 7.5A 7-8, 1-2
1350W / 11.2A 7-8, 1-2, 3-4
1800W / 15A 7-8, 1-2, 3-4, 5-6
FIGURE 5a
THERMOSTAT
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