Consort HE7915G Use and maintenance manual

Installation & Control Guide for
Quartz-zone Radiant Heaters
All electrical appliances produced by the Company are guaranteed for one year
against faulty materials or workmanship. This applies only if the appliance has been
used for purposes in accordance with the instructions provided and has not been
connected to an unsuitable electricity supply, or subject to misuse, neglect,
damage or modified or repaired by any person not authorised by us. This guarantee
is offered to you as an extra benefit and does not affect your legal rights.
The correct electricity supply voltage is shown on the rating label attached to the
appliance.
Reasonable care has been taken to ensure that this guide is accurate at the time
of printing. In the interest of progress the Company reserve the right to vary
specifications from time to time without notice.
QUALITY SPACE HEATERS
Models
HE7915(G), HE7920(G), HE7930(G) and HE7945(G)
Standard model supplied with Ruby lamps; suffix (G) refers to units fitted with Gold lamps
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properties. The heaters are supplied complete with
wall mounting brackets. Their robust construction
makes them suitable for most types of industrial and
commercial situation. The advanced optical design
ensures an even pattern of radiant energy from
elevated mounting heights. An outline drawing of
the units, together with their overall dimensions is
shown in the diagram below.
Maintenance
WARNING: Before opening the heater to carry out
any maintenance, ensure that the mains supply is
switched off and made safe. Also ensure that the
unit has cooled and is not too hot to handle.
Because of the high heat output and the open
nature of the construction, there is a substantial
convected airflow through the unit. Any dust in the
atmosphere will also be carried up through the
heater and, in due course, deposits of dust may
build up within the unit. It is essential that such
deposits are removed at regular intervals, otherwise
they could become a fire hazard. The reflector has
a hard anodised coating and is very durable.
Nevertheless, it will become dirty after a period of
time. To maintain the efficiency of the unit, the
reflector should be cleaned regularly. Before
cleaning, the lamps must be removed, using gloves,
or similar means, to prevent the outer sheath from
being touched by hand. Cleaning the reflector
should require no more than a damp cloth. Avoid
using any abrasive cleaners. If necessary, lamps
may be cleaned using a clean cloth, moistened with
methylated spirits.
CAUTION: After cleaning, ensure that all solvents,
such as methylated spirits, have evaporated and
dispersed before the heater is switched on.
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Overview
Please read this guide carefully and retain
for future use and maintenance.
This appliance has been designed and
manufactured to the highest international
standards, however, care must be taken
for optimal results and safety. This
appliance also meets the requirements of
EU Directive 2004/106/EC for EMC and
2009/125/EC Directive.
Safety & Care
The appliance is not intended for use by
persons (including children) with reduced
physical, sensory or mental capabilities or
lack of experience and knowledge unless
they have been given supervision or
instruction concerning use of the
appliance by a person responsible for their
safety. Below are some safety notes to
consider;
Warning
 The heaters should not be operated in
ambient temperatures greater than
300C, otherwise the life of the quartz unit
could be shortened.
 The heaters must be mounted with the
quartz element in the horizontal position.
 Do NOT site the appliance in a corner.
 Do NOT use the appliance in workshops
or rooms where excessive dust is
generated or present.
 These radiant heaters are capable of
projecting a significant amount of
radiant energy for a considerable
distance in front of the reflector. Great
care should be taken with their
mounting if there are flammable
materials in the vicinity.
 Do NOT cover or restrict any aperture of
the appliance when in use.
 Do NOT use the appliance if damaged.
 Do NOT leave the appliance
unattended.
 These heaters must not be used in areas
subject to flammable vapors such as
paint solvents or petrol fumes.
General
Quartz heaters are high intensity radiant
appliances, using tungsten-halogen lamps as
the energy source. The lamps radiate their
energy primarily in the short-wave infrared
waveband with high energy conversion
efficiency and good heat penetrating
2
UNIT DIMENSION
AB
HE7915 230 310
HE7920 230 310
HE7930 444 410
HE7945 660 410

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Assembly & wall mounting
Carefully unpack the heater. During heater assembly and
installation DO NOT TOUCH the outer sleeve of the lamp, oth-
erwise finger marks could lead to devitrification and cracking
of the sleeve. Any finger marks should be carefully removed
with methylated spirits. (see also page 2, section
‘Maintenance).
For all units, assemble the yoke onto the heater body, tighten-
ing the clamp bolts finger tight.
Secure to the wall, with suitable fixings, the hanging bracket.
Ensure the position of this bracket will allow suitable clearanc-
es between the heater, when fitted, and adjacent walls, ceil-
ings or objects.
Mount the yoke/heater assembly to the hanging bracket
using the bolt, washer and nut provided.
Finally adjust the direction of the heater to irradiate the de-
sired area and tighten up all clamping nuts and bolts.
The following diagrams show the required clearance distanc-
es.
Electrical connections
WARNING: Ensure that the electrical supply is isolated
and made safe before making any electrical connec-
tions.
WARNING: The Quartz heater must be connected to a
known good earth. The terminal block earth terminal is
clearly marked with the standard earth symbol.
NOTE: If Quartz heaters are NOT being used in conjunc-
tion with a Quartz driver unit then, because of the high
surge currents associated with tungsten loads, it is rec-
ommended that Type ‘B’ circuit breakers are used with
a current rating of 2 x the heater load.
The HE7915, HE7920 and HE7930 should be connected
to a 240 Volt single phase supply. The HE7945 (4.5 kW)
unit is supplied wired for 240 Volt single phase operation
but may be adapted for a three phase 415 Volt supply
by removing the linking plates joining the three line ter-
minals at the terminal block.
Mains wiring, supplying power to the appliance, must
be in a suitable heat resisting cable (eg butyl rubber or
high temperature PVC insulated rated at a minimum of
105ºc and 2.5mm ²). Please see diagram (Fig 3) on the
next page for wiring diagrams.
Access to the mains supply terminal block can be ob-
tained by removing the entry plate at the rear of the
heater, the plate being secured by two screws. The
terminal block is fitted to this plate. The plate is con-
nected to the heater body via an earthing cable. En-
sure that the cables are tightly connected in the termi-
nal block; ensure that the cables are secure in the ca-
ble gland
NOTE: Care should be taken when connecting a single
phase supply to the HE7945 (4.5 kW) unit. Ensure that
the presence of the linking plate does not cause the
conductor to become loose.
Whenever the unit is mounted with the plane of the re-
flectors at an angle to the floor, ensure that side con-
taining the cable entry is in the lower position. This will
assist in keeping the terminals and cable cool. The in-
stallation should comply with the requirements of the IEE
wiring regulations and the heaters should be connect-
ed to a suitable isolating switch.
(Fig 1)
(Fig 2)

Consort Equipment Products Limited
Thornton Industrial Estate, Milford Haven, Pembrokeshire, SA73 2RT
Tel: [phone] Fax: [phone]
Email: [e-mail] Web: www.consortepl.com
Operation hours: Mon to Thu 8.30am to 4.30pm | Fri 8.30am to 3.30pm
BS EN ISO 9001 Registered Company No FM12671
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Installation
The mounting position and spacing of these units will de-
pend on the mounting height and reference should be
made to the technical data to determine the optimum
position. The minimum recommended mounting heights
are as follows:
HE7915 (1.5 kW) 2.5 metres
HE7920 (2.0 kW) 2.7 metres
HE7930 (3.0 kW) 3.0 metres
HE7945 (4.5 kW) 3.3 metres
For wall mounting, a bracket arrangement is supplied as
standard and this is shown in figure 1. With the unit wall
mounted, it is essential that the radiant energy is directed
away from the wall. The minimum clearances from the
ceiling or the adjacent walls are shown in figure 2. For
maximum heating effect on the occupants of the room,
the angle of the front face of the unit to the horizontal
should be about 450.
As well as an efficient conversion of electrical energy into
radiant heat energy, the effectiveness of radiant heaters
depends on efficient absorption of this energy by the
people in the building. Heaters mounted overhead, with
their beams directed straight down, will tend to warm only
shoulders and tops of heads. More efficient absorption is
obtained if the radiant heat is directed from one or both
sides of the person. In any situation, the optimum angle
for the heaters will be with the plane of the reflectors at
about 450to the horizontal. Heating schemes should be
designed such that the area to be heated is effectively
covered by units which are mounted close to this angle.
Control
In control systems, heaters may be switched on and off,
using suitable contactors, linked to the time switches or
thermostats. Temperature control using either air thermo-
stats or black bulb thermometers is possible, but the char-
acteristics of radiant heating make it difficult to achieve
comfort control without very careful choice of the ther-
mostat and its position. Details of suitable circuits and ad-
vice on the correct siting may be obtained from Claudg-
en.
With the HE7945 (4.5 kW) unit, the three lamps are con-
nected to three separate terminals. If the links are re-
moved, as for three phase operation, it is possible to con-
nect these units for up to three levels of radiant heat out-
put.
Details of suitable circuits may be obtained from Claudg-
en.
Spares
HE7907 1.5 kW Spare Ruby lamp suits
HE7907G 1.5 kW Spare Gold lamp suits
HE7905 2.0 kW Spare Ruby lamp for HE7920 only
HE7905G 2.0 kW Spare Gold lamp for HE7920 only
In the interest of progress the Company reserves the
right to vary specification from time to time without no-
tice. The material listed is offered subject to the Com-
pany’s General Conditions of Sale, a copy of which
may be obtained on request.
(Fig 3)