Reznor ACT03 User manual

Recessed Warm

Ceiling Heaters

ACT03, ACT04, ACT06

WARNINGS

Nortek Global HVAC (UK) Limited equipment must be installed and maintained in accordance with the

requirements of the Codes of Practice or rules in force. All external wiring MUST comply with the codes of practice

or rules in force in the country of installation.

Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death.

Read instructions before installing or servicing this equipment.

Reznor® Is a registered trademark of Nortek Global HVAC, LLC.

INSTALLATION AND OPERATING MANUAL

ErP

2018 Part No. D301048

1. General Information 3

1.1 Introduction 3

1.2 General 3

1.3 Electrical Supply 3

1.4 Controller `RX` models 3

1.5 Location 4

1.6 Clearance distances 4

1.7 Clearance distances 4

2. Dimensions 5

3. Installation Details 6

3.1 Mounting 6

4. Electrical Connections 7

4.1 Electrical Connections 7

4.2 Electrical connections for RX models 7

5. Operation 8

5.1 RX Models ACT 03/04/06 – RX 8

6. Servicing & Maintenance 9

6.1 Maintenance 9

6.2 General 9

6.3 Thermal cut–out 9

6.4 Fault Finding 9

6.5 Replacing the Fan Heater 9

6.6 Spares 10

Contents Page

Page 2

1. General Information

1.1 Introduction

This instruction manual describes the Reznor Recessed Warm Air Ceiling Heaters.

The heater is designed for discreet positioning in a suspended 600mm ceiling within

retail or commercial premises. It can t a recess as shallow as 210mm.

1.2 General

All installations must be in accordance with the regulations in force in the country of use.

These instructions must be handed to the user on completion of the installation.

Installers and service engineers must be able to demonstrate competence and be

suitably qualied in accordance with the regulations in force in the country of use.

To ensure continued and safe operation it is recommended that the appliance is

serviced annually.

The heater outlet / inlet must not be obstructed during use.

1.3 Electrical Supply

Electrical supply is 230/240V single phase, Neutral and Earth. The maximum cable

inlet size is 4mm².

It is recommended that the electrical supply to the base unit in the heater is via

an appropriate switched isolator in accordance with the regulations in force in the

country of use and must be via a fused isolator having a contact separation of greater

than 3mm on all poles.

All units must be wired in accordance with I.E.E regulations for the Electrical

Equipment of Buildings and the installer should ensure that a suitable isolating switch

is connected in the mains supply.

1.4 Controller `RX` models

The ACT03 – RX, ACT04 – RX, ACT06

– RX heaters are supplied without a

controller. The `RX` models will not work

without the controller. See section 5.2 for

more details.

Consort Wireless controller CRX2

Page 3

1.5 Location

All units should be installed horizontally. It is recommended that the ceiling heater is

installed within the ceiling void or roof space.

Care must be taken to allow complete free air movement into the inlet grilles of

the unit to ensure the correct working operation of the heater. If the ACT03 – RX

or ACT03 – RX/ ACT04 – RX heaters are mounted close to the wall or corner the

discharge opening should be facing the wall. The minimum distance from the wall or

corner is 0.8m or 1.2m for the ACT06 – RX.

1.6 Clearance distances

It is recommended that a minimum clearance of 50mm is allowed around the case

and 30mm above the heater. The clearance allows for cable entry and prevents

combustible surfaces overheating.

The minimum mounting height (oor to grille) is 2.2m for the ACT03 – RX, ACT04 –

RX and 2.5m for the ACT06 – RX. The recommended mounting height is 2.5m for the

ACT03 – RX, ACT04 – RX and 3m for the ACT06 – RX.

1.7 Clearance distances

1.8 Health and Safety

Sole liability rests with the installer to ensure that all site safety procedures are

adhered to during installation.

Sole liability rests with the installer to ensure that protective safety wear such as

hand, eye, ear and head protection is used during installation of the product.

Do not rest anything especially ladders against the product.

1.9 Standards

Units conform to the European electrical standard BS EN 60335–2–30

Page 4

2. Dimensions

ACT 03/04 ACT 06

Page 5

Fig.1 Air discharge of ACT03 – RX and ACT04 – RX

Fig.3 Mounting supports

3. Installation Details

3.1 Mounting

The Reznor recessed ceiling heaters are designed to t in place of a standard

600mm ceiling panel.

It is essential that the ceiling frame is adequately supported to support the weight

of the heater, or that the heater is individually supported. There is provision on the

heater for chain or wire, support or mounting.

• The weight of the ACT03 – RX, ACT04 – RX is 7kg

• The weight of the ACT06 – RX is 10kg

It is the sole responsibility of the installer to ensure that the points of attachment to

the building are sound. Care must be taken to allow complete free air movement

into the inlet grilles of the unit to ensure the correct working operation of the heater.

Carefully unpack the unit.

The unit is supplied with a length of self–adhesive foam strip. This can be cut into

lengths and is to be laid on the 4 sides of the ceiling frame. This will ensure that the

unit assembly is free from vibration. The discharge grille and diffuser assembly can

now be tted into the ceiling frame.

Fig.2 Air discharge of ACT06 – RX

The wire or chain used to mount the

heater can be attached to 4 of the M6

studs or the 4 x M6 threaded inserts as

shown in diagram.

Ensure the air outlet of ACT03 – RX and ACT04 – RX is

nearest to the wall or corner.

Top or side cable entry

Terminal cover

Page 6

4. Electrical Connections

4.1 Electrical Connections

These units are suitable for connection to a 230/240 Volt 50 Hz single phase supply.

The appliance shall be connected to the supply via an appropriate switched fused

double pole isolator having a contact separation of greater than 3mm. Test for correct

operation and ret the cover.

For connection to the mains supply it will be necessary to open the terminal cover at

the side/back of the unit to connect the supply from the controls prior to retting the

cover. Wire in accordance to the wiring diagrams.

For safety reasons, a sound earth connection must always be made to the unit before

it is put to use. The unit should be wired in accordance with IEE Regulations for the

Electrical Equipment of Buildings.

4.2 Electrical connections for RX models

Fig.8 Heater with terminal cover open

Fig.9 Terminal cover detail

Page 7

Consort Wireless controller CRX2

5. Operation

5.1 RX Models ACT 03/04/06 – RX

The heaters ACT03 – RX, ACT04 – RX and ACT06 – RX can be controlled by

CONSORT wireless controller CRX2.

The heaters will not work without a controller. Each controller has unique

identication code, it can control unlimited number of heaters and will not interfere

with other controllers within the building.

For more details please follow the instructions supplied with the controller.

Page 8

6. Servicing & Maintenance

6.1 Maintenance

Always ensure that the main external electricity supply is switched off before

commencing any maintenance on this heater.

To obtain the best results from the heater, it is essential to avoid the accumulation

of dust and dirt within the unit on the air inlet and discharge grilles. For this reason

regular cleaning is necessary.

• Cleaning of the fan is best carried out with a soft brush.

• The product should be serviced annually.

• Servicing shall be undertaken by a competent person.

6.2 General

If the heater does not operate a competent service engineer should be called to

identify the nature of the fault.

All heaters are tted with motor thermal protection.

Other faults in relation to the element, motor and wiring should be identied using

conventional fault nding techniques.

In the event that electrical components are replaced, please ensure that electrical

safety checks in accordance with the regulations in force in the country of use are

undertaken.

6.3 Thermal cut–out

The units are protected from overheating in the event of fan failure or an obstruction

of the free airow, by thermal cut outs. If this happens the thermal cut outs switch off

the appliance. The appliance will not operate until the heater is disconnected from the

mains supply and it has cooled down.

If this fault re–occurs again, refer to the section ‘6.4 fault nding’.

6.4 Fault Finding

If the heater will not operate, disconnect it from the mains and arrange for a certied

electrician to attend and investigate the reason.

6.5 Replacing the Fan Heater

Please follow the steps below to safely replace the fan heater.

Begin by removing the grille.

Disconnect the internal wiring from

the blower

Remove the four screws xing

the fan heater assembly to the

back of the case.

The fan heater assembly can

now be eased forward and

removed from the heater case.

Fit the replacement fan heater.

Reassemble in reverse order.

Page 9

6.6 Spares

It is essential when ordering spares or replacement parts to

state the model number and the serial number on the rating

label xed to the side of the unit below the terminal cover.

In the interest of progress the Company reserve the right to

vary specications from time to time without notice.

The material listed is offered subject to the Company’s General

Conditions of Sale, a copy of which can be obtained on request.

NORTEK GLOBAL HVAC (UK) LTD

Fens Pool Avenue, Brierley Hill

West Midlands, DY5 1QA

United Kingdom

Tel: +44 (0) 1384 489 250

Fax: +44 (0) 1384 489 707

reznorsales@nortek.com

www.reznor.eu/

Registered in England No˙ 1390934

Registered oﬃce: The Colmore Building, 20 Colmore Circus Queensway, Birmingham, West Midlands, B4 6AT

Current full Part No. Reznor, Recessed Ceiling Heater, EN, Mar, 18, D301048

AFFIX AGENTS DETAILS HERE

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