BN Thermic HCA-09 Bedienungsanleitung

HCA High Capacity Air Curtain

BN Thermic Ltd

34 Stephenson Way

Three Bridges,

Crawley

West Sussex RH10 1TN

England

Tel: +44 (0)1293 547361

Fax: +44 (0)1293 531432

INSTALLER: Please leave these instructions, other relevant literature and any controls/accessories with the

user

INTRODUCTION

This booklet provides guidance to identify, handle, install

and commission BN Thermic HCA door curtains. The

instructions apply to models from the standard range of

standard models only. Please study the instructions

carefully before commencing any installation work.

IDENTIFICATION

The door curtain model description is displayed on a

label found inside the unit casing.

DESCRIPTION

BN Thermic HCA door curtains consist of a casing,

motor, tangential fan(s), electric heating elements and

electrical connection box. Each door curtain is supplied

with a wall mounting bracket and a remote switching

control box as standard. Casings are finished in durable

polyester powder coat.

STANDARD RANGE MODELS & SIZES

BN Thermic HCA door curtain is available in three sizes;

1000mm, 1500mm, and 2000mm.

RANGE OF STANDARD MODELS

Model

Overall

Length (mm)

Nominal

Duty (kW)

HCA-09

1113

9.0

HCA-13

1621

13.5

HCA-18

2121

18.0

HCA Air Curtain

Note: All models are suitable for doorway heights between 1800mm and 2700mm.

WARNING

This appliance should be used by persons who are adequately trained and/or supervised.

This door curtain is not equipped with a device to control the room temperature.

Do not use this door curtain in rooms occupied by persons not capable of leaving the room on their own.

Discharge air grille

Return air grille

Cover removed

CONTROLS/ACCESSORIES

A remote switch module is supplied as standard with the

HCA door curtain. A wiring diagram is enclosed with these

instructions and should be studied prior to installation.

Remote Switches

The remote switch module provides on/off, high fan/low fan

and high heat/low heat settings. It is not possible to select

low fan/high heat as overheating may occur. The module is

supplied loose for on-site fitting. Remote wiring is not

provided by BN Thermic.

Over Temperature Protection

Two thermal switches are fitted. One thermal switch

provides the fan over-run. The fan will either continue to run

after the unit is switched off until the air temperature in the

casing drops below 50°C or will switch the fan back on after

the unit is turned off should the case temperature rise

above 50°C for a short period. The other manual reset

thermal switch provides the safety cut out. If the air

temperature in the casing rises above 60°C this will cause

the safety cut out to trip. The safety cut out can be reset by

pressing the red button located on top of the unit. If the

safety cut out trips regularly; check the operation of the fan

and that the airflow through the unit is not restricted by dust

and the inlet or outlet are not obstructed. If the problem

persists please contact BN Thermic.

Wall Hanging Bracket

All models come complete with a hanging plate for vertical

wall surface mounting.

Remote switch module

Electric heating

elements

Motor/electrical connection

enclosure

View from above, connection details

View from front, return air inlet grille

View from below, air supply/discharge grille

View from side

All dimensions in millimetres

Model

Dimension A

HCA-09

1113

HCA-13

1621

HCA-18

2121

Hanging bracket dimensions

Model

Dimension A

HCA-09

787

HCA-13

1295

HCA-18

1795

All dimensions in millimetres.

M6 bracket wall fixings not included

CONSTRUCTION

Handling and Storage

Door curtains and accessories are individually packaged in

cardboard cartons, two/three persons can usually handle

the heaviest door curtain. Under no circumstances should

you try and lift the Door curtain on your own. When a

significant quantity of door curtains are delivered, they may

be palletised and shrink-wrapped, so a fork-lift or similar will

be required for lifting. The door curtain(s) must not be

dropped or suffer impact in any circumstances.

Storage

Door curtains should be stored in clean, dry conditions. Any

packaging should not be removed until the door curtain is

required for installation. Packaging should only be

removed if damage is suspected at the time of delivery.

WARNING

Some components on the door curtain may have sharp

edges. Care must be taken when handling the product and

protective gloves should be worn.

Preparation

Provision must be made for proper fixings. The ceiling

or soffit must be suitable to accept fixings such as

expanding anchors and/or drop rods.

Access is required for maintenance i.e. electrical

connections and removal of door curtain outer

casing.

Approximate Weight

Model

Weight (kg)

HCA-09

19.6

HCA-13

25.4

HCA-18

31.9

R3.

Ø7.

DIM.A

INSTALLATION

General

Before removing any packaging, check the identity of the

heater against the model reference. Packaging should

be retained to protect the heater from damage by other

works after installation.

To gain access to the electrical connections, remove the

return air grille by undoing the screws and unhooking it

from the fixing tabs on top of the unit.

Fitting

1. Position and fix the air curtain.

a. Use hanging bracket provided for wall mounted

installation. M6 fixings not supplied.

b. Alternatively, suspend door curtain from drop rods.

M6 fixings not supplied.

2. The discharge grille should be installed as close as

possible to the top of the doorway opening to ensure

minimal air leakage around the door curtain. It is

recommended that the door curtain is wider than the

doorway by a minimum of 100mm on both sides.

3. For correct installation and operation, observe

minimum spacing to wall and soffit surface shown in

diagram.

4. Position of the power supply connections are to be

taken into consideration during installation.

5. Connect electrical supply and remote control

accessories, see specific diagram depending on

model supplied.

6. Refit all components previously removed.

7. Remove door curtain return air grille to expose

electrical connections. A 400V/3Ø/50Hz TP&N

electrical supply is required. Two Ø25mm holes are

provided on both sides of the door curtain, with a

cable channel located above the discharge grille,

allowing electrical connections to be left or right

handed to suit installation. Cable stain relief is

recommended e.g. with proprietary cable glands.

Return air grille removal

Fixing tabs

Return air grille screws

NOTE:

HCA Air Curtains should normally be enabled and

disabled via the switch supplied with the unit as this

allows for fan overrun to operate. Cutting the main

supply (although not damaging) will cause the safety

cut out to trip due to the residual heat in the casing.

Holes to accept mounting

bracket fixing bolts

(tabs to be folded out on site)

Slots to accept mounting bracket

Wall mounted installation

110mm minimum

Locking washers

provided

M4 fixing bolts

provided

M6 stud fixings

(by others)

M6 Threaded

inserts in top of

casing.

View from side, mounting distances

110mm minimum

18mm

Tabs to be folded out on site

View from above

Ceiling suspended installation

View from above, electrical connections

Safety cut-out manual reset switch

2 off Ø25 holes to accept electrical connections

125

Model

Dimension A

HCA-09

823mm

HCA-13

1331mm

HCA-18

1831mm

Connecting the Air curtain to a 7 Day time switch

You may connect the air curtain to a PROTIM-7, 7day time switch available from your local electrical wholesaler.

Do not use any other switches.

Connect the switch as shown in the drawing below

Use 0.75mm² 5 core cable (5th core for earth connection) to connect the time switch

You MUST connect the live connection in the timer to Terminal 7 inside the Air curtain. If you don’t there is a possibility that 400v may be

present inside the time switch making it unsafe.

When the timer is off the air curtain will turn off. When the air curtain is turned off the timer the fan over run will still operate as explained

on Page 2 until the internal temperature of the heater is below 50°C.

The Air curtain may be fitted with a timer and thermostat should you require both.

Protim-7

7 Day Timer

Connecting the Air curtain to a Thermostat

You may connect the air curtain to a Thermostat. We recommend our RST-TP tamperproof thermostat or RST-IN Thermostat both

available from your local electrical wholesaler.

Do not use any thermostats that require a separate connection to the mains supply.

Connect the thermostat as shown in the drawing below.

Use 0.75mm² 3 core cable (3rd core if earth connection required).

You MUST first remove the link between A1 and B4 on switch S1 (On/Off Switch) and replace with the thermostat as shown in the

drawing below.

When the room reaches the required temperature the heating elements will turn off BUT the fan will continue to run ensuring you still

have a curtain of air present. If the room temperature drops below the set point of the thermostat the heating elements will come on

again.

The Air curtain may be fitted with a timer and thermostat should you require both.

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