Dimplex AC3CN User Manual

08/19239/4 - Issue 4

AC3CN Recessed Ceiling Heater / Over Door Heater

The product complies with the European Safety Standards EN60335-2-30 and the European Standard Electromagnetic Compatibility (EMC) EN55014, EN60555-2 and
EN60555-3. These cover the essential requirements of EEC Directives 2006/95/EC and 2004/108/EC

Recessed Ceiling Heater / Over Door Heater
Model: AC3CN

IMPORTANT: THESE INSTRUCTIONS SHOULD BE READ CAREFULLY AND RETAINED FOR FUTURE REFERENCE

WARNING: Ensure power cable path does not come into contact with internal

heater elements or fans.
Make connections as per wiring Diagram (see Fig. 3) and replace the base
cover and access cover.

Label Description

B BLOWER MOTOR
E HEATER ELEMENT
T TERMINAL BLOCK
C POWER CABLE FROM SWITCH PANEL (5 core - NOT SUPPLIED)

Connection of Switch Panel

The mains electrical supply cable and power cable to this heater (neither
supplied) should be connected as per the wiring diagram shown in

Fig. 4 (see Fig. 5 for Switch No.’s).

Label Description

1 ON - OFF (Double Pole Switch)
2 HALF HEAT (Single Pole Switch)
3 SECOND HALF HEAT (Single Pole Switch)
T TERMINAL BLOCK
C POWER CABLE TO HEATER (5 core - NOT SUPPLIED)
M MAINS IN POWER CABLE (NOT SUPPLIED)

∗ Test all switch settings once installation is complete ∗

Important Safety Advice

Warning - Disconnect from the mains supply before carrying out
maintenance.
DO NOT COVER OR OBSTRUCT the air inlet/outlet ceiling grille.
A minimum distance of 1.5 metres must be observed between the
ceiling grille and any furniture, combustible material or furnishings.
This appliance must not be installed less than 1.8 metres above the
fl oor.
WARNING: ENSURE THIS PRODUCT IS EARTHED.
Ensure the supply cables are of adequate current carrying
capacity and are protected by a suitable fuse.
A suitable termination to the fi xed wiring of the premises must be
provided adjacent to the fi nal position of the Switch Panel.
This heater must not be located immediately above or below a fi xed
socket outlet or connection box.
This product must not be subjected to water spray or immersion and
should be mounted such that no part of it can be touched by a person
using a fi xed bath or shower.
DO NOT use the heater in the immediate surroundings of a bath, a
shower or a swimming pool.
DO NOT use this heater in areas where excessive dust exists.
This product should be mounted safely into ceiling areas only.
The ceiling can be either of a plasterboard (or similar) construction,
or of suspended 600 x 600mm ceiling tiles.
DO NOT store or use any fl ammable materials or sprays in the vicinity
of the heater – FIRE HAZARD.
DO NOT insert any foreign objects into the heater openings.
Risk of injury, electric shock or damage to the heater may occur.
Ensure proper manual handling procedures are observed at all
times.

General

The carton contains: -

• 1 AC3CN heater

• 1 Ceiling grille assembly (frame + egg crate core)

• 1 Switch Box

This Recessed Ceiling Heater / Over Door Heater is a robust heater intended
for installation into a suspended or plasterboard ceiling.

For optimum results, do not install this product in ceilings higher than 3
metres. If multiple heaters are installed, generous spacing should be provided
between heaters to achieve an even heating distribution.

Electrical Connection

The Electrical Connection of this product should be carried out by a competent
electrician and be in accordance with the current IEE wiring regulations.

A suitable local isolating switch must be provided in the electrical supply circuit
with at least 3mm clearance on each pole.

Connection of Heater

Gain access to the terminal block
(see ‘y’ in Fig. 2) by removing the
access panel (see ’x’ in Fig. 2)
and feeding an appropriate cable
through the cable gland.

Fig. 1

Model Loading Current Voltage Weight
(kW) (amps) (volts) (kg)

AC3CN 3 13 ∼ 230-240 8.7

y

x

Fig. 2

Fig. 3

T

H1 H2 N NL L

I

0

C

M

1 2 3

Fig. 4