Dimplex RFF-800 Series User manual

7200490100R10
Forced Air Heater
RFF-800 Series
WARNING: Wiring procedures and connections should be
in accordance with the National Electric code (NEC) and local
codes.
1. Remove heater from carton. The front grille and trim can
be lifted off assembly, and placed in carton to prevent
damage. Remove screws securing heater assembly to the
recess box and separate. (Figure 1)
!NOTE: Mount the heater a minimum of 12 inches (30.5
cm) from the nished oor.
Recessed Installation
2. The recess box provided with the heater is designed
for attachment between studs placed on 32 inch (81
cm) centres. If different spacing exists, construct
frame to suit the box in order to avoid any vibration
and noise caused by loose mounting.
3. Note orientation of box (“TOP” shown on recess box)
and secure to studs using four (4) holes provided on
side anges, ensuring these anges are ush with
nished surface of wall. (Figure 2)
Surface Installation
2. Secure optional surface mount box (Part No. RFF-
P8C) by angling screws through holes provided in
rear of surface box into studs or nished surface.
3. Position recess box into surface box and secure with
four (4) screws provided in parts bag of surface box.
Supply Wiring and Heater Installation
4. Insert approximately 15 inches (38 cm) of supply wire
into recess box through knockout provided in upper
left hand corner. Wire should be rated for a min-
imum of 90 oC (194 oF).
5. Connect power supply to terminals provided marked
L1 and L2. Ground wire should be secured to green
ground screw provided on side of heater assembly.
6. All units are factory pre-wired for operation with a
built-in thermostat. If remote thermostat operation is
required, follow appropriate wiring diagram located
on inside of recess box.
!NOTE: All wiring must comply with the National Electrical
Code and local codes.
7. Secure heater assembly to recess box using eight (8) M4
screws previously removed.
Front Panel Installation
8. Remove trim frame from front panel assembly.
9. If tamper proof built-in or remote thermostat operation
is required, secure the louvered door to the front panel
using two (2) M3 screws (not included) through the holes
provided. The knob can then be removed and adjustment
of the thermostat can be made using a slotted screwdriver
through the front panel.
!NOTE: 347V/600V units come a grille which is tamper
proof.
10. Check to see that the fan blade is free to turn and that
no residue remains in the unit. Front panel can then be
secured to assembly using eight (8) M4.8 x 37 screws
provided.
11. Follow the steps as shown in Figure 3.
Installation Instructions
IMPORTANT INSTRUCTIONS
When using electrical appliances, basic precautions should
always be followed to reduce the risk of re, electric shock
and injury to person, including the following:
1. Read all instructions before using this heater.
2. A heater has hot and arcing or sparking parts inside. Do
not use it in areas where gasoline, paint or ammable
liquids are used or stored.
3. This heater is hot when in use. To avoid burns, do not let
bare skin touch hot surfaces. If provided, use handles
when moving this heater. Keep combustible materials
such as: furniture, pillows, bedding, papers, clothes and
curtains away from heater.
4. To prevent a possible re, do not block air intakes or
exhaust in any manner. Do not use on soft surfaces like
a bed where openings may become blocked.
5. Do not insert or allow foreign objects to enter any venti-
lation or exhaust opening as this may cause an electric
shock or re, or damage the heater.
SAVE THESE INSTRUCTIONS
Figure 1
Figure 2
Recess Box
Heater
Assembly
Front Panel
(Grille) and
Trim Frame
Finished Wall
Surface
15” (38 cm)
Side Flanges
Finished Floor
30”
(76 cm) 7/8” (22 mm)
Dia. Knockout
19 3/4”
(50 cm)
3 5/8”
(9 cm)
Min. 12”
(30.5 cm)
NOTE - Dimensions are shown as size of
rough opening in stud wall.

In keeping with our policy of continuous product improvement, we reserve the right to make changes without notice.
© 2016 Dimplex North America Limited
1367 Industrial Road Cambridge ON Canada N3H 4W3
1-888-346-7539 www.dimplex.com
Warranty
The Manufacturer warrants the heating elements and components of the
enclosed product against any defect in material or workmanship for a period
of one year from the date of purchase. In full satisfaction of any claims
under this Warranty the Manufacturer will repair or replace without charge, in
its factory or in the eld as it alone may decide, any parts which in its opinion
are defective.
The Manufacturer shall not be responsible for any transportation or shipping
costs in relation to such repair or replacement except as specically
assumed by it. Misuse of this product or repairs by persons other than the
Manufacturer’s authorized personnel without the Manufacturer’s written
approval, will void this Warranty.
This Warranty is in lieu of all other warranties or conditions whether express
or implied including but not limited to those of merchantability or tness for
purpose and shall constitute the sole remedy of the Purchaser and the sole
liability of the Manufacturer in respect of the sale of the product, whether
in the nature of breach or breach of fundamental term, or of negligence or
otherwise.
The Manufacturer shall not be liable for any special, indirect or consequential
damages or for any damages resulting from removal or replacement of a
heater subject to warranty claim without the Manufacturer’s authorization.
This Warranty is transferable by the original consumer purchaser of the
product. Any claims under this Warranty must be submitted in writing to
the Service Manager, Dimplex North America Ltd., 1367 Industrial Rd.,
Cambridge, Ontario N3H 4W3, Canada.
1. Set thermostat to desired temperature and both fan
and heat should come on. Note that when desired
temperature is reached the fan operation will continue for
a short period after the elements have de-energized in
order to remove residual heat from the unit.
2. The fan motor is permanently lubricated and sealed at the
factory and is maintenance free.
3. It is suggested that at the beginning of each season the
front panel is removed and the wire connection condition
is checked and the unit is cleaned of dust and dirt with a
vacuum cleaner.
!NOTE: Always open the circuit breaker to disconnect
power to the unit prior to performing any maintenance or
service operation.
WARNING: Should the Over Temp light come on,
disconnect power to the heater or turn down the thermostat
fully counterclockwise and call a licensed electrician. DO
NOT USE HEATER UNTIL PROBLEM IS DETERMINED
AND FIXED.
Operation and Maintenance
(A) Place frame over top
of tabs.
(B) Push in at bottom
until frame is ush with
front panel.
(C) Insert two screws to
hold frame in place.
Figure 3
A
B
C
C