BN Thermic SMH-30T SMH30T Instructions

INSTRUCTIONS FOR:-

SURFACE MOUNT CEILING HEATER

SMH-30T

IMPORTANT: PLEASE READ THESE INSTRUCTIONS, NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS, AND CAUTIONS.

USE THIS PRODUCT CORRECTLY, AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY

CAUSE DAMAGE AND/OR PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY.

Thank you for purchasing a BNThermic product. Manufactured to a high standard, this product will, if used according to these
instructions and properly maintained, give you years of trouble free performance.

1. SAFETY INSTRUCTIONS

1.1 ELECTRICAL SAFETY

WARNING! It is the responsibility of the owner and the operator to read, understand and comply with the following:

You must check all electrical products, before use, to ensure that they are safe. You must inspect power cables, plugs, sockets and any
other connectors for wear or damage. You must ensure that the risk of electric shock is minimised by the installation of appropriate safety
devices. A Residual Current Circuit Breaker (RCCB) should be incorporated in the main distribution board. If in any doubt consult a qualified
electrician.

You must also read and understand the following instructions concerning electrical safety.

▪ The Health & Safety at Work Act 1974 makes owners of electrical appliances responsible for the safe condition of those appliances and the

safety of the appliance operators. If in any doubt about electrical safety, contact a qualified electrician.

▪ Installation should always be carried out by a qualified electrician or a competent person in accordance with current electrical regulation.
▪ Ensure that the insulation of all the cables on the appliance is undamaged and safe, before connecting it to the power supply.
▪ Ensure that the cables are always protected against short circuit and overload.
▪ Regularly inspect the power supply cables and plugs etc. for wear or damage and check all connections to ensure that none are loose.
▪ Important: Ensure that the voltage marked on the appliance matches the power supply to be used and that a correctly rated fuse is fitted.
▪ DO NOT use worn or damaged cables, plugs or connectors. Immediately have any faulty item repaired or replaced by a qualified electrician.
▪ The unit should be protected by a suitably rated isolator and fuse or MCB.
▪ This heater is IP20 rated and is suitable for indoor or under cover use only.
▪ Do not attach this heater to an extension cord it must be hard wired in position.

1.2 GENERAL SAFETY INSTRUCTIONS

✓ Remove all packaging and store it away from children, check the package and heater for visible damage or tampering.
✓ Familiarise yourself with the applications and limitations of the heater.
✓ Ensure the heater is in good order and condition both physically and electrically before use. If in any doubt, do not use the unit and contact

your supplier.

✓ Only use recommended attachments and parts. To use unauthorised parts may be

dangerous and will invalidate your warranty.

✓ Keep tools and other items away from the heater when it is in use.
✓ Keep children and unauthorised persons away from the heater,

as it gets hot.

✓ Disconnect from mains and allow to cool before attempting any

cleaning or maintenance.

X DO NOT use in areas where hazardous gasses or dusts may

be present.
X DO NOT locate the heater directly below the power outlet.
X DO NOT disassemble the heater for any reason. This heater

must be checked by qualified personnel only.
X DO NOT use this heater to perform a task for which it has not

been designed.



WARNING! Ensure you observe the safety distances and

mounting heights and there is no possibility of inflammable

materials coming into contact.

2. INTRODUCTION & SPECIFICATION

This heater produces a totally dry heat, no condensation, no gas, no fumes. It reaches maximum heat output within a minute from being turned on
and has an internal thermostat. It is quick and easy to install reducing installation costs. Used with the CS-7 controller it can provide low / high heat
or fan only settings.

Model

SMH-30T

Power

3000W

Input supply

220-240V

Dimensions (W x D x H)

575 x 392 x 152mm

Weight

8kg

Recommended Mounting Height

2.5 - 3.0M

Safety Distance from Heater

1.5M

Optional Controller Model Number

CS-7

CS-7 Controller
(Optional Extra)

REGISTER: PLEASE REGISTER THIS PRODUCT ONLINE TO ACTIVATE YOUR GUARANTEE AT

www.bnthermic.co.uk

3. MOUNTING INSTALLATION

3.1 CEILING MOUNTING



IMPORTANT! Ensure that the ceiling is capable of taking the weight of the heater.

For optimum results do not fit in ceilings higher than 3m. Air is taken in through the large grille and discharged through the smaller grille. The air
intake and discharge areas must be kept completely clear for a minimum of 1.5m from the front of the heater. In an area using multiple units,
heaters should be spread to provide an even heat distribution.
Remove the front grille / cover by undoing the 8 screws securing it in place (You don’t need to remove this cover if using M6 drop rods or hanging hooks.)

Using the drawing above mark out the holes required to secure the heater case to the ceiling. Use the 4 x keyhole slots and an additional 2 holes (at
least one each side) once installed to lock the heater in place.

These additional 2 holes MUST be used to stop the possibility of the case sliding off its Keyhole fixings.
Secure to the ceiling using suitable fixings (not supplied). It will be easier to do some of the electrical connections before finally securing to the ceiling.

3.2 DROP ROD MOUNTING

The heater has 4 x M6 threaded holes and 4 x M10 keyhole holes suitable for using M6 or M10 drop rod studding. If using M6 threaded holes fully
screw the studding into each hole and use a lock nut to stop it rotating and coming out. If using M10 studding a nut must be placed and tightened
above and below the case on each of the 4 studs to hold the case securely to the M10 drop rods (Removal of the grille / guard will be needed so
you can add an M10 Nut inside the heater). Use the diagram above to determine the spacing of the drop rods. If you use drop rods you should be
able to gain access to all the electrical connections after you mount the heater.

4. ELECTRICAL CONNECTIONS

4.1 230V SINGLE PHASE – Without controls.

Please make sure you have read the Safety instructions and that you are a suitably qualified electrician before continuing.
Drawings show connections inside the black terminal box on the outside of the heater. Do NOT use power tools to undo or do up terminal screws.
Please Note:- Specified cable sizes are for typical installations, correction factors may need to be used when determining actual cable sizes.

Standard Connection and Use
Use 1.5mm² 3 Core Mains Cable (see note above).
Connect Brown wire – Terminal 1 or L.
Connect Blue wire – Terminal 5 or N.
Connect Green / Yellow wire – Terminal E or

Ensure the link is in position in the Power Supply Box as
shown in drawing to the left. Link should be between terminals 2
and 3.

Ensure the 3 links are in position in the Control Box as
shown in drawing to the left. Links should be between terminals 1
and 2, 3 and 4, 4 and 5.

If you wish to de-rate the heater from 3kW to 2kW remove the link

between terminal 3 and terminal 4 in the Control Box.

DO NOT REMOVE ANY LINK IN THE POWER SUPPLY BOX.

Ensure you tighten up the screws after removing the link. See
drawing to the right.

PLEASE CHECK ALL CONNECTIONS BEFORE TURNING ON AS INCORRECT WIRING IS NOT COVERED BY THE GUARANTEE

4.2 230V SINGLE PHASE – With CS-7 Controller (CS-7 Controller provides on / off / high heat / low heat / fan only settings).

Please make sure you have read the Safety instructions and that you are a suitably qualified electrician before continuing.
Drawings show connections inside the black terminal box on the outside of the heater and the inside of the CS-7 Controller.

Do NOT use power tools to undo or do up terminal screws.

Please Note:- Specified cable sizes are for typical installations, correction factors may need to be used when determining actual cable sizes.

Standard Connection using CS-7 Controller
Use 1.5mm² 3 Core Mains Cable (see note above).

Use 1.5mm² 6 Core Cable to connect the heater to the CS-7 Controller (see note above).
Remove any links that may be present in heater control box between terminals 1,2,3,4 or 5. (DO NOT REMOVE THE LINK IN POWER

SUPPLY BOX BETWEEN TERMINAL 2 AND 3).

Mains Cable
Connect Brown wire – Terminal L.
Connect Blue wire – Terminal N.
Connect Green / Yellow wire – Terminal E or .

Heater to CS-7 Controller Cable – (Colours for reference only)

Move the Dark Brown link cable from the centre switch terminal 1 to the centre switch terminal 3 (shown above by dark brown wire).

Connect Brown wire – Terminal 1 or L of heater and Top Terminal L2 on right DP Switch of CS-7.
Connect Grey wire – Terminal 2 of heater and Terminal L1 on right DP Switch of CS-7.
Connect Red wire – Terminal 3 of heater and Centre Switch Terminal 1 of CS-7.
Connect Black wire – Terminal 4 of heater and Terminal 1 on Left SP Switch of CS-7.
Connect Yellow wire – Terminal 5 of heater and Top Terminal 2 on Left SP Switch of CS-7.
Connect Green / Yellow wire – Terminal E or of heater and earth connection on CS-7.

PLEASE CHECK ALL CONNECTIONS BEFORE TURNING ON AS INCORRECT WIRING IS NOT COVERED BY THE GUARANTEE.

5. CHANGE MODE OF OPERATION

The heater is factory wired so both heat and fan turn on and off with the thermostat (default mode).
For some installations, such as when heating a confined space, it may be preferable to change the mode of

operation so that the fan runs continuously and only heat goes on and off with the thermostat. Making this
change will tend to improve the response time of the thermostat.

Changing over the mode of the heater is simple BUT must be done by a suitably qualified electrician.
Ensure the heater has cooled down and is disconnected from the mains supply.
To change over from intermittent fan (default mode) to continuous fan, open the power supply box on the back

of the heater, remove the link between terminals 2 and 3 and place this same link between
terminals 3 and 4 (as per drawing to the right). Ensure all the terminal screws are tightened before closing the
power supply box lid.

Do not change any of the links or wire connections in the Control Box.
Please check that when you turn the heater back on the fan comes or is on when the elements get hot. Should

the fan not come on and the elements start to glow bright red turn off the mains, allow the heater to cool and
check the link is correctly installed as per instructions above.

If you want to return the fan back to its default mode use pictures in section 4.1 or 4.2 regarding placing of the
link in the power supply box.

This product conforms to EU Directive 2002/96/EC.
This appliance bears the symbol of the crossed waste bin. This indicates that, at the end of its useful life, it must not be
disposed of as domestic waste, but must be taken to a collection centre for waste electrical and electronic equipment. It is
the user's responsibility to dispose of this appliance through the appropriate channels. Failure to do so may incur penalties

established by laws governing waste disposal.

BN Thermic Ltd,

34 Stephenson Way,

Crawley,

RH10 1TN

Tel: [phone]

Email: [e-mail]

Web: www.bnthermic.co.uk

6. CONTROL

Standard temperature control is by adjusting the electronic thermostat knob
located between the slot on the top of the heater.
Twist clockwise to increase temperature set point
Twist Anti-clockwise to decrease temperature set point.

7. MAINTENANCE

Note: Before examining or carrying out any maintenance ensure the heater has cooled down and is disconnected from the mains

supply.
The heaters are intended to operate for many years, problem free. All moving parts are factory lubricated and therefore should
require no service. Maintenance is limited to keeping both the inlet and outlet areas free from any accumulation of dust or any other
foreign materials. This is especially important immediately before the heating season. Any dust build up can be loosened using a
brush and a vacuum cleaner applied to the airways to ensure completed removal of any dust. When the heater is first turned on
after cleaning an unusual odour may be noted this is due to the dust particles which inevitably will be disturbed and will be burnt off
from the heating element.
If in any doubt always consult a qualified electrician for advice.

8. AUTO CUT OUT

This heater is fitted with a semi-automatic safety device to prevent overheating. The device will isolate the heating element while
the fan continues to operate. Should this occur, disconnect the heater from the mains supply for a minimum of 5 minutes, check
and remove any foreign materials around the airways. If the heater fails to operate or the safety cut out operates again, turn off the
heater and contact a qualified electrician.

NOTE: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component
parts without prior notice.

IMPORTANT: No liability is accepted for incorrect use of this product.
WARRANTY: Your BN Thermic product is guaranteed for one year from date of purchase.

We will repair or replace at our discretion any part found to be defective. We cannot assume
any consequential liability. This guarantee in no way prejudices your rights under common
law and is offered as an addition to consumer liability rights.

REGISTER:

Activate your warranty by registering online at www.bnthermic.co.uk and

retain this installation data for future reference.

SMH-30TINS-v01