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FIXING

a standard 600mm x 600mm modular ceiling

system.

(see Fig 1). Ensure sufficient space is left to allow the insertion of the grille frame 

between heater and bracket. This option may require electrical connection prior to positioning. T

 

frame

Fitting in plasterboard type ceiling or bulkhead

The unit can be fixed in two ways depending on access available.(Note future access will be required for 

servicing)

 1) Locate

 2) Locate the brackets to sit on top of the support frame (see Fig 2).Position the grille frame in the opening 

and loosely fix with the 2 round headed screws provided. Place unit in ceiling from above and position within 

grille frame. Secure brackets with woodscrews provided, tighten grille frame fixing screws.

The unit weighs 6kgs and as such can be mounted directly in a correctly installed modular ceiling. As an 

added precaution additional ceiling supports can be added adjacent to the heater. 

Locate the brackets to sit on top of the T bar frame. The ceiling tile is cut back as appropriate and finished 

either with the grille frame or an additional T bar section.

Additional fixings may be required if the ceiling construction is not strong enough to take the heater weight. 

Two 8mm holes are provided in the top of the heater to allow the fixing of drop rods (by others).

Fitting in modular ceiling.

Drop rod fixing

This unit is designed for installation in a plasterboard or similar ceiling where a free height above the surface 

of the ceiling is at least 230mm. It is also sized to fit within 

A 580mm x 130mm hole should be made in the ceiling and suitably framed.

Fix support brackets, with machine screws provided, to screwed inserts in side of unit

 the brackets flush with the front of the heater. Place unit in ceiling from below and secure brackets 

with woodscrews provided.

he grille

 is then positioned and fixed with the 2 round headed screws provided.

The manufacturers reserve the right to change the specification at any time without prior notice  EO&E

MAINTENANCE  

Isolate the heater and remove any build up of dust etc. every 6 months. Check that the heater has not been 

covered or the airflow restricted in any way.

Fig 1

Fig 2

WARRANTY 

This product is guaranteed, in accordance with our Conditions of Sale, for a period of 12 months from date of 

purchase. We will repair or replace, at our discretion, any part found to be defective. We cannot accept 

responsibility for any consequential liability. 

The warranty will be invalid if the heater has not been installed in accordance with these instructions.

This does not affect your statutory rights.

Summary of Contents for RDH 3000

Page 1: ...H UNIT for Fan only 3 2 and 1kW RDH 3000 Recessed Over Door Heater Please retain for future reference Commercial Electric Heat Limited Burnfoot Industrial Estate HAWICK Roxburghshire TD9 8SL Tel 01450 372103 Fax 01450 377800 Email sales cehltd co uk Web www cehltd co uk ...

Page 2: ...ip bush and locknut ELECTRICAL CONNECTION The heater should be installed in accordance with the latest edition of the IEE Requirements for Electrical Installation BS 7671 2001 The unit should be permanently connected to a suitable 230Vac power supply incorporating a means of isolation having a contact separation of at least 3mm in all poles remote switch unit in suitable location Select cabling wi...

Page 3: ...ter weight Two 8mm holes are provided in the top of the heater to allow the fixing of drop rods by others Fitting in modular ceiling Drop rod fixing This unit is designed for installation in a plasterboard or similar ceiling where a free height above the surface of the ceiling is at least 230mm It is also sized to fit within A 580mm x 130mm hole should be made in the ceiling and suitably framed Fi...

Page 4: ...ement Fan motor Connector block 4 C002 Blower unit 2kW 1kW L LI L LII 2kW 1kW N N 5 ODH RSW Remote Switch Unit Add external cut outs 11 04 6 O T cut out IMPORTANT Any modification to the switching in this circuit must ensure that the heating elements cannot be energised without the fan running Remote Switch ODH RSW 1 Heating element incorporates over temperature cut out To reset Switch off and all...

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