Dimplex RFI815D31 Guide

Installation, Operation & Maintenance Instructions

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. (Fig. 1).

Note - Mount the heater a minimum of 12” (30.5cm) from the

finished floor, and a minimum of 6” (15cm) from any

vertical surface if installed in the ceiling.

Recessed Installation

1. The recess box provided with the heater is designed for

attachment between studs placed on 16” (40.6cm)

centres. If different spacing exists, construct frame tosuit

the box in order to avoid any vibration and noise caused

by loose mounting (Fig. 2a).

2. Note orientation of box (“TOP” shown on recess box) and

secure to studs using four holes provided on side flanges,

ensuring these flanges are flush with finished surface of

wall or ceiling (Fig. 2b).

Surface Installation

1. Secure optional surface mount box (Part No. RFP8D) by

angling screws through holes provided in rear of surface

box into studs or finished surface.

2. Position surface box into recess box and secure with four

screws provided in parts bag of surface box.

Forced Air Heater

Series RFI-D for wall or ceiling mounting

Fig.1 FRONT PANEL

(GRILLE) & TRIM FRAME

GROUND

SCREW

HEATER

ASSEMBLY

RECESS BOX

NOTE: Dimensions are shown as size of rough opening in stud wall

Fig. 2

SIDE FLANGES

FINISHED WALL

SURFACE

FINISHED FLOOR

7/8” (22MM) DIA. KNOCKOUT

MIN. 12”

(30.5cm)

19 3/4”

(50cm)

14 1/4”

(36cm)

3 5/8”

(9cm)

15”

(38cm)

14 1/4”

(36cm)

19 3/4”

(50cm)

MIN. 12”

(30.5cm)

1-888-346-7539

(a) (b)

Supply Wiring and Heater Installation

1. Insert approximately 15” (38cm) of supply wire into recess box through knockout provided in upper left hand corner (Fig. 2b).

Wire should be rated for a minimum of 75°C (167°F)

2. 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 (Fig. 1).

3. All units are factory prewired for operation with built-in thermostat. If remote thermostat operation is required follow

appropriate wiring diagram located on inside of recess box.

TIP - It is recommended that for ceiling mount applications a remote thermostat be used in order to provide superior temperature

control.

NOTE -All wiring must comply with National Electrical Code and local codes.

4. Secure heater assembly to recess box using four 8 - 18 x 5/16” screws provided. Ensure that the four speed clips are

attached to heater assembly top and bottom.

Front Panel Installation

1. Remove trim frame from front panel assembly. (Fig. 3)

2. If tamperproof built-in or remote thermostat operation is required, secure the louvered door to the front panel using 2 No. 6

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.

3. 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 four 8 - 18 1/4” screws provided.

Operation and Maintenance

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 licenced electrician. DO NOT USE HEATER UNTIL PROBLEM IS

DETERMINED AND FIXED.

(A)Place frame over top of tabs.

(B) Push in at bottom until frame is flush with front panel.

Fig. 3

WIRING DIAGRAM 1 WIRING DIAGRAM 2

WIRING DIAGRAM 3

NOTE: THIS WIRING REPRESENTS THE UNIT AS

FACTORYWIRED. PLEASE CONSULTTHE

OTHER DIAGRAMS SHOWN AS TO WHAT

OPTION IS REQUIRED. PLEASE ASSURE THAT

ALL ELECTRICAL CLEARANCES ARE MET.

1. MARR/TAPE WIRE LABELLED “L1” FROM THERMOSTAT

2. DISCONNECT WIRE “B’ FROM MARR CONNECTOR “B”, MARR/TAPE WIRE

“B” AS SHOWN OR REMOVE FROM THERMOSTAT CONNECTOR AND

DISCARD

3. CONNECT INCOMING SUPPLY“L1” TO CONNECTOR “A”

4. CONNECT LOAD SIDE OF REMOTE LINE VOLTAGE THERMOSTAT TO MARR

CONNECTOR “B” AS SHOWN

5. CONNECT INCOMING POWER WIRE “L2” TO BOTH THE LINE SIDE OF

REMOTE WALL THERMOSTAT AND WIRE ATTACHED TO BUILTIN

THERMOSTAT WIRE LABELLED “L2” AS SHOWN.

1. MARR/TAPE WIRE LABELLED “L1” FROM THERMOSTAT

2. DISCONNECT WIRE “B’ FROM MARR CONNECTOR “B”, MARR/TAPE

WIRE “B” AS SHOWN OR REMOVE FROM THERMOSTAT CONNECTOR

AND DISCARD.

3. CONNECT LOAD SIDE OF REMOTE WALL THERMOSTAT TO MARR

CONNECTORS “A” AND “B” AS SHOWN IN DIAGRAM.

4. CONNECT INCOMING POWER WIRE “L2” TO BOTH THE LINE SIDE OF

REMOTE WALL THERMOSTAT AND THE WIRE ATTACHED TO BUILTIN

THERMOTAT WIRE LABELLED “L2”

5. CONNECT THE OTHER INCOMING SUPPLYLINE TO THE LINE SIDE OF

REMOTE WALL THERMOSTAT.

S.P. “LINE” VOLTAGE REMOTE THERMOSTAT

REMOTE

SP STAT

BUILTIN THERMOSTAT (FACTORYWIRED)

SUPPLY

THERMOSTAT

OFF

CYCLE A

UNIT

GND.

FAN DELAY

THERMAL

CUT OUT

D.P. “LINE” VOLTAGE REMOTE THERMOSTAT

REMOTE D.P. STAT

THERMOSTAT

OFF

CYCLE

UNIT

GND.

FAN DELAY

THERMAL

CUT OUT

SUPPLY

L2 (L-277V)

L1 (N-277V)

L2 (L-277V)

L1 (N-277V)

L2 (L-277V)

L1 (N-277V)

OFF

CYCLE

B C

UNIT

GND.

FAN DELAY

THERMAL

CUT OUT

CYCLE

OFF

CUSTOMER WIRING

CUSTOMER SUPPLIED

FACTORYSUPPLIED

ON 240/208V UNITS ONLY

CAPACITOR CAPACITOR

CAPACITOR

7200610100 REV10

CATALOGUE NO. MOTOR CAPACITOR FAN BLADE ELEMENT CUT-OUT FAN DELAY THERMOSTAT FRONT PANEL KIT

RFI815D31 RFIFPA

RFI815D31W RPIFPW

RFI820D31 RFIFPA

RFI820D31W RPIFPW

RFI820D41 RFIFPA

RFI820D41W RPIFPW

RFI830D31 RFIFPA

RFI830D31W RPIFPW

RFI830D41 RFIFPA

RFI830D41W RPIFPW

RFI840D21 RFIFPA

RFI840D21W RPIFPW

RFI840D31 RFIFPA

RFI840D31W RPIFPW

RFI840D41 RFIFPA

RFI840D41W RPIFPW

RFI848D31 RFIFPA

RFI848D31W RPIFPW

00013008RP

00013005RP

2000260600RP

3200070100RP

3200070400RP

3200070100RP

00033002RP

2000260200RP

2000260600RP 00033001RP

2000260600RP

2000260200RP 00033002RP

00033001RP

00013001RP

00013002RP

00013004RP

00013002RP

00013008RP

00013004RP

00033001RP

00033002RP

00033001RP

REPLACEMENT PARTS

00010034RP 00009112RP 13678001RP

2000260200RP 00013007RP

2000260600RP 3200070100RP

3200070400RP

3200070100RP

3200070400RP

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