Biddle DF2 Guía de instalación

Installation, Operating And Maintenance

Manual

Comfort Air Curtain

Model DF2

Version 1.0

Original Manual English

COMFORT AIR CURTAIN

en-2 B

. . Contents

1 Introduction 4

1.1 About this manual 4

1.2 How to read this manual 4

1.3 About the unit 5

1.4 Restrictions on use 8

1.5 Safety instructions 10

2 Installation 12

2.1 Safety instructions 12

2.2 Inspection on delivery 12

2.3 General working method 12

2.4 Hanging the unit up 13

2.5 Connecting the unit to the central heating system 16

2.6 Connecting the unit to the mains supply 18

2.7 Installing the control panel and external controls 20

2.8 Finishing the unit 25

2.9 Power on and check operation 27

3 Operation 29

3.1 Introduction 29

3.2 Switching the unit ON and OFF 29

3.3 Controlling the fan speed 29

3.4 Control temperature or heating 30

4 Maintenance 31

4.1 Cleaning the unit 31

4.2 Scheduled maintenance 31

5 Errors 32

5.1 Safety instructions 32

5.2 Resolving simple problems 32

5.3 Remedying faults 33

6 Service 37

6.1 Safety instructions 37

6.2 Access 37

6.3 Fuses 40

6.4 Resetting the high-limit thermostat 41

6.5 Biddle control cable composition 41

DF MANUAL

Installation, Operating And Maintenance Manual version 1.0 (16-08-2023) en-3

7 Dismantling 42

8 Addresses 43

Keywords 47

Installation, Operating And Maintenance Manual version 1.0 (16-08-2023) en-4

1Introduction

1.1 About this manual

This manual describes the installation, operation and mainte-

nance of the Model DoorFlow2Comfort air curtain. The man-

ual also provides instructions and information about servicing.

1.2 How to read this manual

1.2.1 Designations used in the manual

The following symbols are used in the manual:

Note:

nRefers to an important section in the text.

Caution:

cIf you do not carry out the procedure or action

correctly, you may cause damage to the unit.

Follow the instructions precisely.

Warning:

wIf you do not carry out the procedure or

action correctly, you may cause physical injury

and/or damage.

Follow the instructions precisely.

Danger:

dIs used to designate actions that are not

permitted.

Ignoring this prohibition may lead to serious

damage or to accidents resulting in physical

injury.

DF MANUAL INTRODUCTION

Installation, Operating And Maintenance Manual version 1.0 (16-08-2023) en-5

1.2.2 Symbols used on the unit and in the manual

The following symbols indicate possible risks or hazards. The

same symbols will also be found on the unit.

1.2.3 Related documentation

In addition to this manual, the following documentation is also

supplied with the unit:

• wiring diagram for installation and servicing.

1.3 About the unit

1.3.1 Application and operation of the air curtain

The air curtain is designed to separate indoor and outdoor cli-

mates. The unit draws air from the room and discharges it,

either heated or not, across the width of the doorway. The air

curtain removes the undesired effects of an open door by

either reducing the exchange of indoor and outside air, by

heating the entering air, or a combination of the two.

Mounting methods

The free-hanging model (type F) is designed for free, visible

installation above the door.

SYMBOL DESCRIPTION

wYou have accessed a section of the unit containing compo-

nents which carry a voltage.

Access restricted to qualified maintenance staff only.

Caution is required.

wThis surface or component may be hot. Risk of burns on

contact.

INTRODUCTION COMFORT AIR CURTAIN

en-6

The recessed model (type R) is designed for integration into a

false ceiling or into a cove, with the inlet opening possibly at

some distance from the unit.

The cassette model (type C) is designed for installation above

a false ceiling, with the inlet opening close to the unit and with

easy access to the unit.

Other versions and intended use

Upon request, we can supply versions for non-standard appli-

cations.

Warning:

wApplications other than those described

above are deemed to be ‘usage other than for

the intended purpose’. Biddle is not liable for

damage or loss resulting from usage other

than for the intended purpose. Usage for the

intended purpose also entails observance of

the instructions in this manual.

1.3.2 Type designation

Type designations, when combined, form a unit type code, e.g.:

Different combinations may arise.

Explanation of the type code

DF2 S-100-W-F

DF2 M-150-E-C

DF2 L-200-A-R

TYPE CODE ELE-

MENT DESIGNATION MEANING

product series DF2air curtain

capacity S small

M medium

L large

length 100, 150, 200, 250 discharge length

(cm)

DF MANUAL INTRODUCTION

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1.3.3 Type plate

The type plate is located on the top of the unit.

Designations on the type plate

1.3.4 CE (and UKCA) declaration

The unit is compliant with the applicable CE standards. For the

UK market, the unit is also compliant to the applicable UKCA

standards. The Declaration(s) of Conformity can be found on

the website.

1.3.5 Modifications and changes

Without our approval, no changes or modifications may be

made to the unit that could adversely affect safety. The CE

heating type W hot water

E electrical

A ambient

model F free-hanging

model

C cassette model

R recessed model

TYPE CODE ELE-

MENT DESIGNATION MEANING

DESIGNATION MEANING

Type complete type code of the

unit

Noserial number, production

week and year

M weight of unit

Medium medium

pmax maximum permissible operat-

ing pressure

U power supply voltage

Imax max. current

Pmotor max. power consumption by

fans

Pheating For electrically heated

models:

max. power consumption by

heating element

INTRODUCTION COMFORT AIR CURTAIN

en-8

(and UKCA where appropriate) declaration is no longer valid

if the unit has been modified or changed in any way.

1.3.6 Components and accessories

For all models (optional):

• control panel (can be used for multiple units)

• control cable – Type RJ4

• door contact switch

• BMS connectivity module (Modbus or Bacnet)

For water-heated models (Type W):

•optional:

2 port valve for water-side control (sold separately)

Note:

nThe unit is fitted with a three-way valve as standard.

For recessed models (Type R):

• telescopic discharge duct (supplied)

•optional:

inlet grille for installation in alcove (supplied separately)

1.4 Restrictions on use

1.4.1 Field of application

• The unit may only be used indoors.

• The unit is suitable only for dry and non-dusty environ-

ments.

• The unit is not to be used in an environment where corro-

sive or chemically aggressive gases or vapours are present.

• The unit is suitable for ambient temperatures from 0°C to

40°C.

These restrictions also apply to the control unit and/or con-

trol panel.

DF MANUAL INTRODUCTION

Installation, Operating And Maintenance Manual version 1.0 (16-08-2023) en-9

1.4.2 Required skills

• You must be technically qualified to install, maintain or ser-

vice the unit in accordance with local legislation, regula-

tions and standards.

• For operation in daily use, no special skills are required.

• The product is installed, such that children of less than 3

years should be kept away unless continuously supervised.

Where this is not possible and higher water temperatures

are used Biddle recommend the unit’s casework should be

tested to ensure that it doesn’t become too hot with the

potential to cause burns. Children aged from 3 years and

less than 8 years shall only switch on/off the appliance pro-

vided that it has been placed or installed in its intended

normal operating position and they are supervision or have

been given instruction concerning use of the appliance in a

safe way and understand the hazards involved. Children

aged from 3 years and less than 8 years shall not plug in,

regulate, clean the appliance or perform user maintenance

(as stated in EN 60335-2-30 clause 7.12). Where opera-

tion of the product is to be limited to certain persons only,

Biddle recommend installing the controls in a suitable

locked cupboard or similar.

• This product can be used by children aged from 8 years

and above and persons with reduced physical, sensory or

mental capabilities or lack of experience and knowledge if

they have been given supervision or instruction concern-

ing the use of the product in a safe manner (as stated in EN

60335-1 clause 7.12)

Danger:

dDo NOT attempt to install, maintain or

service the unit unless you are adequately

qualified to do so.

1.4.3 Application limitations with water heating

Application limitations for units with water heating

Heating medium water with max. 20%

glycol

Maximum water

temperatures

W2 90/70 °C

W4 70/50 °C

Max. discharge

temperature

types S/M 55 °C

type L 45 °C

Maximum operating pressure 8 bar

INTRODUCTION COMFORT AIR CURTAIN

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1.5 Safety instructions

1.5.1 Safety in use

Warning:

wDo not put any objects into the inlets and

outlets.

Warning:

wDo not obstruct the unit’s inlets or outlets.

Warning:

wThe upper surface of the unit becomes hot

during operation.

Caution:

cIn exceptional situations, water may run out of the

unit. Therefore, do not place anything under the unit

that could be damaged as a result.

1.5.2 Safety issues relating to installation, mainte-

nance and servicing

Danger:

dThe unit may only be opened by qualified

technical staff.

Warning:

wPerform the following actions before opening

the unit:

1. Switch the unit off, using the control panel.

2. Wait until the fans have stopped.

Danger:

dThe fans may continue rotating for a while.

3. Allow the unit to cool down.

Caution:

cThe heat exchanger or the heating elements, canget

very hot.

4. Disconnect the mains supply (remove plug from the power

socket or turn off at the isolation switch).

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