Dimplex RKHA Series Manual page 3

Maintenance
WARNING: Disconnect power and heater has cooled
before attempting any maintenance or cleaning to
reduce the risk of fire, electric shock or damage 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 CONNECTION
208/240 VOLT 675/900 WATTS
3.2 A / 3.7A
FAN M
IMPORTANT: RETIGHTEN ALL LEADS WITH CABLE CLAMP AFTER RECONNECTING
UNINSULATED ENDS OF UNUSED LEADS WITH WIRE NUTS
NOTE: If installing unit with factory thermostat, see supplemental wiring diagram, Fig. 5a.
FIELD CONNECTION
208/240 VOLT 1350/1800 WATTS
6.5 A / 7.5 A
FAN
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
SAFETY SWITCH
FIGURE 5a
FIELD CONNECTION
120 VOLT
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
THERMOSTAT