Biddle DF User manual

a
Manual
Comfort Air Curtain
Model DF
Version 2.0
Original Manual English

COMFORT AIR CURTAIN
en
en-2 B
. . . Contents
1 Introduction 3
1.1 About this manual 3
1.2 How to read this manual 3
1.3 About the unit 4
1.4 Restrictions on use 7
1.5 Safety instructions 8
2 Installation 10
2.1 Safety instructions 10
2.2 Delivery check 10
2.3 General working method 10
2.4 Suspending up the unit 11
2.5 Connecting the unit to the central heating system 13
2.6 Connecting the mains supply 15
2.7 Installing the control panel and external controls 18
2.8 Unit finishing 24
2.9 Powering up and testing 25
3Operation 27
3.1 General 27
3.2 Starting and stopping 27
3.3 Adjusting the strength of the air curtain 28
3.4 Adjusting heating 28
4 Maintenance 30
4.1 Cleaning the unit 30
4.2 Scheduled maintenance 30
5Faults 31
5.1 Safety instructions 31
5.2 Resolving simple problems 31
5.3 Troubleshooting 32
6Service 36
6.1 Safety instructions 36
6.2 Access 36
6.3 Fuses 39
6.4 Temperature cut-out 39
6.5 Biddle control cable composition 40

Manual version 2.0 (26-10-2012) en-3
en
1. . Introduction
1.1 About this manual
This manual describes the installation, operation and mainte-
nance of the Model DF Comfort air curtain. The manual also
provides instructions and information about servicing.
1.2 How to read this manual
1.2.1 Marginal symbols used in the manual
The following symbols are used in this manual:
Note:
nDraws your attention to an important part of the
text.
Caution:
cIf you do not perform this procedure or action
correctly, you may damage the device.
Follow the instructions strictly.
Warning:
wIf you do not perform this procedure or
action correctly, you may cause damage and/
or bodily injury.
Follow the instructions strictly.
Danger:
dThis indicates actions which are not
permitted.
Ignoring this warning may lead to serious
damage or accidents which may involve bodily
injury.

INTRODUCTION COMFORT AIR CURTAIN
en-4
en
1.2.2 Pictograms used on the unit and in the manual
The following pictograms indicate potential risks or hazards.
The same pictograms will also be found on the unit.
Pictograms
1.2.3 Related documentation
Besides this manual, the following documents have been sup-
plied with the unit:
• Installation and servicing wiring diagram
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.
PICTOGRAM DESCRIPTION
wYou are entering an area of the unit containing live components.
Accessible to qualified maintenance staff only.
Exercise caution.
wThis surface or part can be hot. There is a risk of burns on contact.

DF MANUAL INTRODUCTION
Manual version 2.0 (26-10-2012) en-5
en
Mounting methods
The free-hanging model is designed for free, visible installation
above the door.
The recessed model is designed for installation into a false
ceiling or into an alcove where the air inlet may be at some
distance from the unit itself.
The cassette model is designed for installation above a false
ceiling where the air inlet is close to the unit and the unit is
easily accessible.
Other versions and intended usage.
On request, versions can be supplied for other applications.
Warning:
wApplications other than those described
above are not considered to be an intended
use. Biddle assumes no responsibility for
damage or injury resulting from applications
other than the intended use. The intended
use also implies observance of and
compliance with the instructions in this
manual.
1.3.2 Type designation
Type designations, when combined, form the unit’s type code:
DF S-100-W-F
DF M-150-E-C
DF L-200-A-R

INTRODUCTION COMFORT AIR CURTAIN
en-6
en
Different combinations may arise.
Explanation of the type code
1.3.3 Type plate
The type plate can be found on top of the unit.
Example of a type plate Designations on the type plate
1.3.4 CE declaration
The unit satisfies the applicable CE standards. The complete
CE Declaration of Conformity can be found at: www.bid-
dle.info.
series DF air curtain
range S small
Mmedium
L large
unit size 100, 150, 200, 250 discharge length
(cm)
heating W hot water
E electrical
A zonder verwarm-
ing
(Ambient)
mounting method F fee-hanging
model
Ccassettemodel
R recessed model
Type complete type code of the unit
M weight of unit
Pmax For water-heated models:
max. permissible operating pressure
U connection voltage
Imax max. current
Pmotor max. fan power rating (per unit)
Pheating For electrically heated models:
max. heating element rating

DF MANUAL INTRODUCTION
Manual version 2.0 (26-10-2012) en-7
en
1.3.5 Modifications and changes
No changes or modifications may be made to the unit which
could influence its safety without the approval of Biddle. The
CE mark is no longer valid if the unit has been modified or
changed in any way.
1.3.6 Components and accessories
For all models:
• control panel (supplied separately – can be used for multi-
ple units)
• control cable – Type RJ4 (supplied separately)
•optional:
door contact switch (supplied separately)
For water-heated models (Type W):
• valve for water-side control (supplied separately)
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 Operating environment
• The unit may only be used indoors.
• The unit may only be used in environments that are dry
and free from dust.
• The device must not be used in environments with corro-
sive or chemically aggressive gases or vapours.
• The unit is intended for use in ambient temperatures rang-
ing from 0 °C to 40 °C.
These restrictions also apply to the control unit and/or con-
trol panel.

INTRODUCTION COMFORT AIR CURTAIN
en-8
en
1.4.2 Requisite skills
• You must be technically qualified to install, maintain or ser-
vice this equipment in accordance with local legislation,
regulations and standards.
• For operation in daily use, no special skills are required.
• The unit is not intended for use by children or people with
an intellectual disability.
Danger:
dNEVER attempt to perform installation,
maintenance, or servicing work on the unit
unless you are sufficiently qualified.
1.4.3 Application limitations with water heating
Application limitations for units with water heating
1.5 Safety instructions
1.5.1 Operation
Warning:
wDo not put any objects in 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.
Heating medium water with max. 20% glycol
Max. water supply
temperature
DF S-W, M-W: 90 °C
DF L-W: 70 °C
Max. air discharge
temperature
DF S-W, M-W: 70 °C
DF L-W: 45 °C
Max. operating pres-
sure
8bar

DF MANUAL INTRODUCTION
Manual version 2.0 (26-10-2012) en-9
en
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 Installation, maintenance and service
Danger:
dThe unit may be opened by qualified technical
staff only.
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.
3. Allow the unit to cool down.
Caution:
cThe heat exchanger and/or the heating elements can
get very hot. Moreover, the fans may continue to
rotate for a while.
4. Disconnect the power supply (remove plug from power
point or move isolation switch to OFF).
5. For water-heated models:
connect the central heating supply (if possible).
Warning:
wThe fins of the heat exchanger are sharp.

en-10
en
2. . Installation
2.1 Safety instructions
Warning:
wInstallation work on the unit may only be
performed by qualified technical staff.
Warning:
wBefore you begin: read the safety instructions.
See also:
1.5 "Safety instructions" on page 8
2.2 Delivery check
• Check the unit and its packaging for correct delivery.
Immediately report to the driver and to the supplier any
damage caused in transit.
• Make sure that all components and accompanying parts
have been supplied. Immediately report any defects to the
supplier.
2.3 General working method
2.3.1 Sequence of operations
Biddle recommends working as follows when installing the
Comfort Air Curtain:
1. Mount the unit.
2. For water-heated models:
connect the unit to the central heating system.
3. Connect the unit to the mains power supply.
4. Install the control panel and (any optional) connections to
external controls.
5. Complete appliance installation.

DF MANUAL INSTALLATION
Manual version 2.0 (26-10-2012) en-11
en
6. Turn the mains power supply on and check that the unit is
working properly.
General instructions
Some sections of this section only apply to certain models.
Where this is the case, it will be indicated. If no specific model
is referred to, the description applies to all models.
Note:
nMake sure you perform all installation operations
that are required for your unit.
Check the type plate and consult the manual if in
doubt about the unit model and type.
Note:
nProtect the unit from damage and ingress of dust,
cement, etc. throughout the installation. You can, for
instance, use the packaging for protection.
See also:
2.4 "Suspending up the unit" on page 11
2.5 "Connecting the unit to the central heating system" on
page 13
2.6 "Connecting the mains supply" on page 15
2.7 "Installing the control panel and external controls" on
page 18
2.8 "Unit finishing" on page 24
2.9 "Powering up and testing" on page 25
2.4 Suspending up the unit
2.4.1 Unit placement
• Make sure that the structure from which the unit is about
to be suspended can bear the weight of the unit. The unit’s
weight is marked on its type plate.

INSTALLATION COMFORT AIR CURTAIN
en-12
en
• Note the following dimensions:
- The unit must be at least as wide as the door opening
(dimension b).
- Position the unit as near to the doorway as possible.
- Position the unit as close to the top of the door as pos-
sible.
Warning:
wThe minimum installation height (dimension
h) is 1.8 m.
The top of the unit may get hot. The unit
should be placed with at least 25 mm ceiling
clearance (dimension x).
- If the unit is mounted against the ceiling:
Make sure that air can enter the unit freely above the
unit.
See also:
1.3.3 "Type plate" on page 6
2.4.2 Suspending and securing the unit
1. Position the four M8 screw threads. Make sure the thread
rods are perpendicular.
Dimensions for free-hanging and recessed units.
SIZE TYPE DIMENSIONS
a all DF F, R as needed
ballDFF,R 35mm
callDFF,R 290mm
d DF 100-F, 100-R 896 mm
DF 150-F, 100-R 1396 mm
DF 200-F, 200-R 1896 mm
DF 250-F, 250-R 2396 mm

DF MANUAL INSTALLATION
Manual version 2.0 (26-10-2012) en-13
en
Dimensions of hole and suspension for cassette model
2. Screw a lock nut 1onto each threaded rod.
3. Attach the unit to the threaded rods.
4. Secure the unit by tightening the lock nuts 1.
2.5 Connecting the unit to the central heating system
See also:
6.2.2 "Opening the unit" on page 37
SIZE TYPE DIMENSIONS
a DF 100-C 1012 mm
DF 150-C 1512 mm
DF 200-C 2012 mm
DF 250-C 2512 mm
b all DF C 705 mm
c DF 100-C 937 mm
DF 150-C 1437 mm
DF 200-C 1937 mm
DF 250-C 2437 mm
d all DF C 641 mm

INSTALLATION COMFORT AIR CURTAIN
en-14
en
2.5.1 Particulars
Caution:
cThe central heating system’s supply and return pipes
must be attached to the correct connectors 1. The
directions are indicated on the unit using arrows.
• Keep the connectors 1in place by using pliers when con-
necting the pipes.
• Biddle recommends inserting a valve and a bleed on both
pipes close to the unit.
Application limitations for units with water heating
2.5.2 Frost protection
Take the following precautions if you install the unit in a room
where frost may occur:
• Provide for constant circulation of the water at the right
temperature;
• Add up to 20% glycol to the water when the unit is not in
operation during the wintertime;
• Or bleed the system and the unit.
2.5.3 Connecting the water-side control
1. Open the unit.
2. Connect the unit and the three-way valve to the central
heating system as shown in the diagram.
Note:
nThe diameter of the bypass pipe from Connection B
to the return pipe must be at least 22 mm.
Heating medium water with max. 20% glycol
Max. water supply
temperature
DF S-W, M-W: 90 °C
DF L-W: 70 °C
Max. air discharge
temperature
DF S-W, M-W: 70 °C
DF L-W: 45 °C
Max. operating pres-
sure
8bar

DF MANUAL INSTALLATION
Manual version 2.0 (26-10-2012) en-15
en
3. Connect the valve to Terminal Block 1as shown in the
electrical diagram.
4. Open the valve manually using the handle (Position ‘MAN’).
5. Fill and bleed the system.
6. Check the connections for leaks.
7. Return the handle to its starting position
(Position ‘AUTO’).
2.6 Connecting the mains supply
2.6.1 Particulars
For all models:
Warning:
wThe unit must be grounded.
Warning:
wConnect the unit in accordance with the
applicable local requirements.
For water-heated models and models without heating:
• The unit can be switched on and off from the power sup-
ply. This requires that the control panel be configured for
this purpose.
• If the unit has been fitted with a power cable and
plug on delivery:
Ensure that an earthed wall socket is available no farther
than 1.5 m from the connections side of the unit.

INSTALLATION COMFORT AIR CURTAIN
en-16
en
• If the unit has not been fitted with a power cable and
plug:
Connect the unit to the mains using a power cable (not
supplied). Maximum ratings are specified on the type plate.
It must be possible to interrupt the power supply to the
unit. You may choose to use either a plugged power sup-
ply cable or an isolation switch.
Electrically-heated models:
Warning:
wDo not turn on the unit from the power
supply. Use the control panel.
• Connect the unit to the mains using a power cable (not
supplied). Maximum ratings are specified on the type plate.
• An isolation switch (not supplied) must be fitted between
the unit and the power supply. This switch must:
- be all-pole;
- have a contact separation of at least 3 mm
- be positioned no farther than 4 m from the connection
side of the unit
See also:
1.3.3 "Type plate" on page 6
2.6.2 Fuse ratings
Warning:
wEach unit should be individually fused
according to the table below.
Fuse ratings
MAXIMUM CURRENT ON
TYPE PLATE L1, L2 OR L3 MAXIMUM FUSE VALUE A
<= 10 A 16 A
<= 15 A 20 A
<= 20 A 25 A
<= 25 A 35 A
<= 35 A 50 A
<= 50 A 63 A
<= 65 A 80 A

DF MANUAL INSTALLATION
Manual version 2.0 (26-10-2012) en-17
en
Note:
nMultiple units may only be served by a common fuse
is their total current consumption is less than 10A.
2.6.3 Connect the unit
For units supplied without a mains power cable/plug
only:
Warning:
wOnly connect the unit if you are qualified to
work on three-phase power systems.
Make sure that the mains power supply has
been turned off.
1. Fit the isolation switch and connect it to the power supply.
2. Open the unit.
3. Feed the power cable through the cable gland 1.
4. Connect the cable to the unit’s power terminal 2as
shown in the wiring diagram.
5. Connect the power supply cable to the isolation switch.
Caution:
cDo not yet switch the mains supply on.
See also:
6.2.2 "Opening the unit" on page 37
<= 80 A 100 A
<= 102 A 125 A
MAXIMUM CURRENT ON
TYPE PLATE L1, L2 OR L3 MAXIMUM FUSE VALUE A

INSTALLATION COMFORT AIR CURTAIN
en-18
en
2.7 Installing the control panel and external controls
2.7.1 Control panel details
Positioning
• You may fix the control panel either to the wall or to a
standard socket.
Cabling
Note:
nTake the following into account, otherwise faults may
occur:
- Keep control cables away from electromagnetic fields
and interference sources such as high-voltage cables
and fluorescent-light starters.
- Stretch control cables out or roll them up neatly.
- The control cable between the control panel and the
connected unit may not be any longer than 30 m.
Note:
nUse Biddle control cables only (Type RJ4). Standard
modular telephone cable is not suitable.
See also:
2.7.6 "Multiple units operated from one control panel" on
page 21
2.7.2 Control panel settings
Optional
Several dip switches are located inside the control panel.
These allow the control panel to be configured.

DF MANUAL INSTALLATION
Manual version 2.0 (26-10-2012) en-19
en
Control panel settings
2.7.3 External control input
A door switch and/or building management system can be
connected to the input.
• The connector is located on the control PCB (INHIBIT
connector). This connector has been fed through to
Connector 1on the outside of the unit.
• This connector is fitted with a bridge on delivery.
• The input is suitable for potential-free switches.
Working of the input
See also:
2.7.5 "Unit settings" on page 20
NO.POSITION OFF
(FACTORY SETTING)POSITION ON
1 unit remains turned off
after supply voltage
interruption
unit continues running in
the same mode after
supply voltage interrup-
tion
2 fans continue running as
long as the unit is turned
on
fans do not run if heating
is not required
3 heating is turned off
once the set room tem-
perature has been
reached
heating is always on as
long as the unit is turned
on
4 display heating settings
using multiple LEDs
display heating settings
with only one LED (does
not affect operation)
contact closed (or bridged) unit operates normally
contact open unit remains off
resistor across contact
(3.3 kΩ)
unit working, but heating
remains turned off (summer
mode)

INSTALLATION COMFORT AIR CURTAIN
en-20
en
2.7.4 Fault signal output
A building management system (BMS) can be connected to the
output.
• The connector is located on the control PCB (HEALTHY
connector).
Output operation
2.7.5 Unit settings
Optional unless otherwise stated
Several dip switches 1are located on the unit’s control PCB.
These allow the unit to be configured.
Control PCB settings
24 VDC unit configured as a normal unit
no power sup-
ply voltage
temperature cut-out has turned the
heating off or the unit is not being pow-
ered
NO.POSITION OFF
(FACTORY SETTING)POSITION ON
1 fan and heating mode
independently adjustable
high heating setting disa-
bled for low and medium
fan settings
2 fans continue running for
two minutes after shut-
down for cooling pur-
poses
dnot permitted
for electrically
heated units
fans stop immediately
after shutdown
3 unit operates normally unit configured as a mas-
ter unit
4 only heating is turned off
when the temperature
cut-out activates.
heating AND fans shut
down when the tempera-
ture cut-out activates.