VEAB AC32 Series Technical specifications

AC32
Art.nr: 172784-01
GB Installation and maintenance instruction
for air curtains
IMPORTANT: Read these instructions before the product is installed and used.
Save the instructions for future use.....................................................................................................2

2
AC32
Safety
• For all installations of electrically heated products
should a residual current circuit breaker 300 mA for
re protection be used.
• Keep the areas around the air intake and exhaust gril-
les free from possible obstructions!
• CAUTION! During operation the surfaces of the unit
can be hot!
• e unit must not be fully or partially covered with
clothing, or similar materials, as overheating can result
in a re risk! (E)
• e appliance can be used by children, aged from 8
years and above, and by persons (children included)
with reduced physical, sensory, or mental capabilities,
or lack of experience and knowledge, if they have been
given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards
involved.
Children shall not play with the appliance.
Cleaning and user maintenance shall not be made
by children without supervision.
Children, of less than 3 years of age, should be kept
away unless continuously supervised.
Children, aged from 3 years and less than 8 years, shall
only switch on/o the appliance, provided that it has
been placed or installed in its intended normal opera-
ting position and they have been giving supervision or
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 and clean the appliance or perform user
maintenance.
General Instructions
Read these instructions carefully before installation and
use. Keep this manual for future reference.
e product may only be used as set out in the assembly
and operating instructions. e guarantee is only valid
if the product is used in the manner intended and in ac-
cordance with the instructions.
Application
AC32 is a compact air curtain with a recommended
installation height of 3,2 metres. e air curtain has an
integrated control system and can be remotely controlled.
e air curtain is available without heat, with electrical
heating and with water heating.
Protection class for units with electrical heating: IP20.
Protection class for units without heating and units with
water heating: IP21.
Operation
Air is drawn in at the top of the unit and blown out
downwards so that it shields the door opening and mi-
nimizes heat loss. To achieve the optimum curtain eect
the unit must extend the full width of the door opening.
e grille for directing exhaust air is adjustable and is
normally angled outwards to achieve the best protection
against incoming cold air.
e eciency of the air curtain depends on the air
temperature, pressure dierences across the doorway and
any wind pressure.
NOTE! Negative pressure in the building considerably
reduces the eciency of the air curtain. e ventilation
should therefore be balanced.
Mounting
e air curtain unit is installed horizontally with the
supply air grille facing downwards as close to the door as
possible. Minimum distance from outlet to oor for elec-
trically heated units is 1800 mm. For other minimum
distances, see g. 4.
Brackets and torx bit are enclosed in the gable end
packaging upon delivery.
Mounting with wall brackets (g. 6)
1. Mount the brackets on the wall, see g.6A and
dimension drawing g.1. If the wall is uneven
the brackets must be compensated for this.
2. Hook on the unit at the lower edge of the
brackets. (Fig.6B-C)
3. Bend the top of the console over the unit and
slide the units screws along the rail into
the slots on the consoles, (Fig.6D). When the
bracket is bent once, it must be replaced if bent
back more than 45 °.
4. Lock the nuts against the brackets. (Fig.6E)
Horizontal mounting on the ceiling
readed rods, hanging brackets and ceiling mounting
brackets for ceiling mounting are available as accessories,
see accessories pages and separate manuals.
Assembly and operating instructions

3
AC32
Start-up (E)
When the unit is used for the rst time or after a
long period of disuse, smoke or odour may result
from dust or dirt that has collected on the element.
is is completely normal and disappears after a short
time.
Connecting the water coil (W)
e installation must be carried out by an authorised
installer.
e water coil has copper tubes with aluminium ns
and is suitable for connection to a closed water hea-
ting system. e heating coil must not be connected
to a mains pressure water system or an open water
system.
Note that the unit shall be preceded by a regulating
valve, see VEAB valve kit.
e water coil is connected on top of the unit via steel
pipes with DN20 (3/4’’) terminals, external thread.
Flexible hoses are available as accessories, see acces-
sories pages.
e connections to the heating coil must be equipped
with shut o valves to allow problem free removal.
Water coil is equipped with a drain valve. A vent
valve should be connected at a high point in the pipe
system.
Air valves are not included.
NOTE: Care must be taken when connecting the
pipes. Use a wrench or similar to hold the air curtain
connections to prevent straining of the pipes and
subsequent water leakage during connection to water
supply pipe-work.
Type Output
(kW)
Voltage
(V)
Minimum area*
(mm2)
AC32-10-E08 8400V3N~ 2,5
AC32-15-E12 12 400V3N~ 4
AC32-20-E16 16 400V3N~ 6
*) Dimensioning of external wiring shall comply with applicable regulations and local
deviations may occur.
Electrical installation
e installation, which should be preceded by an om-
nipolar switch with a contact separation of at least 3
mm, should only be wired by a competent electrician
and in accordance with the latest edition of IEE wiring
regulations. e control system is pre-installed in the air
curtain.
Unit without heating
Connected via the built-in control board with 1,5 m cord
and plug.
Unit with water heating
Connected via the built-in control board with 1,5 m cord
and plug.
Unit with electrical heating
e electrical connection is made on the top of the unit.
See Fig.2. Power supply for heat (400V3N~) should
be connected to a terminal block in the terminal box.
2-metre and longer units require dual power supplies.
e largest cable diameter for the terminal block is 16
mm². e cable glands used must meet the protection
class requirements. In the distribution board it is to be
indicated that ”the air curtains can be supplied from
more than one connection”.
See wiring diagrams.

4
AC32
Adjustment of the air curtain and air ow
e direction and speed of the air ow should be ad-
justed considering the load on the opening. Pressure
forces aect the air stream and make it bend inwards
into the premises (when the premises are heated and the
outdoor air is cold).
e air stream should therefore be directed outwards to
withstand the load. Generally speaking, the higher the
load, the greater the angle that is needed.
Basic setting fan speed
e fan speed when the door is open is set using the
control. Note that the air ow direction and fan speed
may need ne adjustment depending on the loading of
the door.
Filter (W)
e fan speed when the door is open is set using the
control. Note that the air ow direction and fan speed
may need ne adjustment depending on the loading of
the door.
Service, repairs and maintenance
For all service, repair and maintenance rst carry out the
following:
1. Disconnect the power supply.
2. e front hatch is removed by removing the screws
on the top of the unit and then detach the bent edge
at the bottom. (Fig.3)
3. After the service, repair and maintenance reattach
the front hatch. Place the hatch at the lower edge
with the bent edge and fasten on top with screws.
4. Note that when carrying out work where the end is
removed, the outlet grille also detaches.
Maintenance
Unit with water heating
e appliance lter should be cleaned regularly to ensure
the air curtain eect and the heat emission from the
device. How often depends on local circumstances.
A clogged lter is not a risk, but the appliance function
can fail.
1. Disconnect the power supply.
2. e front hatch is removed by removing the screws
on the top of the unit and then detach the bent edge
at the bottom. (Fig.3)
3. Remove the lter and vacuum clean or wash it. If
the lter is clogged or damaged, it may need to be
changed.
All units:
Since fan motors and other components are maintenance
free, no maintenance other than cleaning is necessary.
e level of cleaning can vary depending on local condi-
tions. Undertake cleaning at least twice a year. Inlet and
exhaust grilles, impeller and elements can be vacuum
cleaned or wiped using a damp cloth. Use a brush when
vacuuming to prevent damaging sensitive parts. Avoid
the use of strong alkaline or acidic cleaning agents.
Overheating
e air curtain unit with electric heater is equipped with
an overheat protector. If it is deployed due to overhea-
ting, reset as follows:
1. Disconnect the electricity with the fully isolated
switch.
2. Determine the cause of overheating and rectify
the fault.
3. Remove the front hatch.
4. Press the red button located inside the air curtain
unit, at the inner gable of the connection box.
5. Reattach the front hatch and connect the unit again.
All motors are equipped with an integral thermal safety
cut-out. is will operate, stopping the air curtain
should the motor temperature rise too high. e cut-out
will automatically reset when the motor temperature has
returned to within the motor’s operating limits.
Temperature control
See control pages.

5
AC32
Replacing heating elements/heating package
(E)
1. Mark and disconnect the cables to the heating
elements/package
2. Remove the mounting screws securing the heating
elements/package in the unit and lift the heating
elements/package out.
3. Install the new heating elements/package in reverse
order to the above.
Replacing the water coil (W)
1. Shut o the water supply to the unit.
2. Disconnect the connections to the water coil.
3. Detach the plastic ends.
4. Detach the intake grille by drilling out the rivet(s).
5. Remove the mounting screws securing the coil in the
unit and lift the coil out.
6. Install the new coil in reverse order to the above.
Draining the water coil (W)
e drain valve is on the underside of the coil on the
connector side. It can be accessed via the front hatch.
Trouble shooting
If the fans are not working or do not blow properly, check
the following:
e functions and settings of the built-in control system.
at the intake grille/lter is not dirty.
If there is no heat, check the following:
e functions, internal sensor and settings of the built-in
control system.
For units with electrical heating, also check the following:
Power supply to electric heater coil; check fuses and
circuit-breaker (if any).
at the overheat protection for the motors has not been
deployed.
For units with water coil, also check the following:
at the water coil is air free.
at there is enough water ow.
at incoming water is heated enough.
If the fault cannot be rectied, please contact a qualied
service technician.
Residual current circuit breaker (E)
When the installation is protected by means of a residual
current circuit breaker, which trips when the appliance
is connected, this may be due to moisture in the heating
element. When an appliance containing a heater element
has not been used for a long period or stored in a damp
environment, moisture can enter the element.
is should not be seen as a fault, but is simply rectied
by connecting the appliance to the main supply via a
socket without a safety cut-out, so that the moisture can
be eliminated from the element. As a preventive
measure, the unit should occasionally be run for a short
time when it is not being used for extended periods of
time.

6
AC32
1234
ON
1234
ON
230V~
ON OFF
Actuator SD230
(remove the quick
connector)
Black
Brown
Blue
External on/off
Eg time switch.
External potential free closure = off
PL2DR
(accessory)
Factory setting dip-switches - Unit without hea-
ting or with electrical heating
Dip-switch 3 is used for PL2DR (optional).
Factory setting dip-switches - Unit with water
heating
Dip-switch 3 is used for PL2DR (optional).
Controls
e air curtain has an integrated control system and can be
remotely controlled.

7
AC32
Heat step
Electric: Half/full power
Water: On/off (1 LED)
On/off
~20 °C
Control panel
Units with electric heating and water heating
Remote control - on/off, fan steps and heating steps
Fan step 1/2/3
Control panel
Units with no heat
On/off
Fan step 1/2/3
Functional test
Functional test is started using the remote control.
Push
and
in 5 seconds
Fan and heatings steps are tested in 10-second intervals
which is indicated by lighted LEDs. When the test is
completed, all LEDs will ash for 30 seconds.
Temperature control
If the temperature exceeds 50 °C, the fan runs at full
speed for 2 minutes to vent out the heat, if the tempe-
rature rises above 50 °C again during the following 5
minutes overheating alarm is deployed.e red LEDs
ash and all the buttons are locked.
1. Disconnect the electricity with the fully isolated
switch.
2. Determine the cause of overheating and
rectify the fault.
3. Connect the unit again.

8
AC32
Fig. 1
1046 / 1556 / 2046
459
42
10
256
min 500 15787
209
50
DN20 (3/4 ")
32
153 min 500 min 500 157
157
min 500 min 500 153
99
50 209
DN20 (3/4 ")
1046 / 1556 / 2046
459
42
10
256
min 500 15787
209
50
DN20 (3/4 ")
32
153 min 500 min 500 157
157
min 500 min 500 153
99
50 209
DN20 (3/4 ")
L = 2 m
A / W
E
DN20 (3/4")
outside thread
1046 / 1556 / 2046
459
42
10
256
min 500 15787
209
50
DN20 (3/4 ")
32
153 min 500 min 500 157
157
min 500 min 500 153
99
50 209
DN20 (3/4 ")

9
AC32
Fig. 2
Fig. 3: Open the unit.
AB
C
Gland
Knock-out
Knock-out
Knock-out
ø17, 5ø17,5
ø32,5
ø25,5
ø20,5
ø1
7, 5
Gland Gland

10
AC32
Fig. 4
Fig. 5
Minimum distance
30 mm 60 mm
min 60
Min 60

11
AC32
min 500 mm
Fig. 6: Mounting with wall brackets
Mounting with wall brackets
AB
C
D
Ø8 (3x)
Ø7
Ø16
213
37
260
75 35 20
AC32-10 2 pcs
AC32-15 2 pcs
AC32-20 3 pcs

12
AC32
VOS
VOT
PL2DR
Type Connection
VOS15LF DN15
VOS15NF DN15
VOS20 DN20
VOS25 DN25
VOT15 DN15
VOT20 DN20
VOT25 DN25
Mounting accessories
PA34TR
PA2P
PA2PF
PAMLK
PA2PF15 Ceiling mounting bracket for 1 and
1.5 meter unit AC32-10, AC32-15 Pendulum brackets for unit mounting
and ceiling bracket for mounting on the
ceiling using hangers or threaded rods
(not included).
PA2PF20 Ceiling mounting bracket for 2
meter unit AC32-20
PA34TR15
Threaded rods for 1 and 1.5 meter
unit Length: 1 m
Units: 4 pcs
AC32-10, AC32-15
Threaded rods for ceiling mounting.
Used with ceiling mounting brackets
PA 2PF.
PA34TR20
Threaded rods for 2 meter unit
Length: 1 m
Units: 6 pcs
AC32-20
PA2P15
Pendulums for 1 and 1.5 meter unit
Length: 1 m
Units: 2 pcs
AC32-10, AC32-15
Pendulum brackets for mounting the unit
suspended from the ceiling. The
pendulum brackets are covered by a
white plastic duct to hide the cables. The
brackets may be cut to the desired length
should shorter suspension heights than 1
m be desired. Used with ceiling mounting
brackets PA2PF.
PA2P20
Pendulums for 2 meter unit
Length: 1 m
Units: 3 pcs
AC32-20
PL2DR Door switch with remote control AC32
Door switch control with a special remote
control for the Auto mode. With a door
switch and operating in Auto mode, the
fan starts/stops with the door open/
closed. The automatic system enables
selection of maintenance heating when
the door is closed.
PAMLK Motor alarm board AC32
Provides a potential free alarm connection
when thermal contact is triggered in the
motor.
Installed in the air curtain.
Optional features
Control valves for water systems (optional)

13
AC32
AC32-10-A / AC32-15-A / AC32-20-A
5A x 3
5A
16A
NH1H2
N
1
On
Off
F1 F2 F3
on/off2
N
LPE NL
PE
~
0 -10V
0 - 10V HEAT
ALARM
WATER
IR
PA3210CA PA3215CA PA3220CA
C°
3220CA 3215CA 3210CA Red
Red
Black
Blue
Brown
LN Low
Mid b1 c1
Orange
Yellow Yellow Yellow
Mid Low
Blue
Black
b1 c1
Orange
Red
Orange
White White White
Black
Blue
Brown
M
Left motor
~
Run
Only 2 m version
Black
Blue
Low
LN Mid c1b1
M
Right motor
~
Run

14
AC32
AC32-10-E8 / AC32-15-E12 / AC32-20-E16
5A x 3
5A
16A
NH1H2
N
1
On
Off
F1 F2 F3
on/off2
N
LPE NL
PE
~
0 -10V
0 - 10V HEAT
ALARM
WATER
INTERNAL SENSOR
IR
K2
Over heat cut-out
°C
K1K1 = high power
K2 = low power
L2 PE
L1 LN
L3
400V 3N~
Over heat
°C
cut-out
PL3210CE PL3215CE PL3220CE
Only 2 m version
K4
K3K3 = high power
K4 = low power
PE
400V3~
L2 L1
L3
C°
Black
Brown
Blue
Mid Low
N L c1
b1
Red
Yellow
Orange
White
Blue
Black
M
Left motor
~
Run
M
Right motor
~
Run
Black
Blue
Brown
Nb1 c1
Mid
LLow
Red
Yellow
Orange
Black
Blue
White

15
AC32
AC32-10-W / AC32-15-W / AC32-20-W
5A x 3
5A
16A
NH1H2
N
1
On
Off
F1 F2 F3
on/off2
N
LPE NL
PE
~
0 -10V
0 - 10V HEAT
ALARM
WATER
INTERNAL SENSOR
IR
PA3210CW PA3215CW PA3220CW
Black
Brown Blue
C°
3220CW 3215CW 3210CW
Red
Black
Blue
Brown
LN Low
Mid b1 c1
Orange Orange
White
Yellow
White
Mid Low
Blue
Black
b1 c1
Red
Orange
Red
Yellow
White
Yellow
Black
Blue
Brown
M
Left motor
~
Run
Only 2 m version
Black
Blue
Low
LN Mid c1b1
M
Right motor
~
Run

16
AC32
PAMLK
On
Off
M
C°
~
NF1F2F3
OUT PA 2MLK
CNC NO
Motor alarm (pot. free contact)
5A x 3
5A
16A
NH1H2
N
1
On
Off
F1 F2 F3
on/off2
N
LPE NL
PE
~
0 -10V
0 - 10V HEAT
ALARM
WATER
INTERNAL SENSOR
IR
C°
Black
Brown
Blue
Mid Low
N L c1
b1
Red
Yellow
Orange
White
Blue
Black
M
Le
ft motor
~
Run
M
Right motor
~
Run
Black
Blue
Brown
Nb1 c1
Mid
LLow
Red
Yellow
Orange
Black
Blue
White
Only 2 m version

17
AC32

VEAB Heat Tech AB
Box 265
S-281 23 Hässleholm
SWEDEN
Visitors adress
Stattenavägen 50
Delivery adress
Ängdalavägen 4
Org.no/F-skatt
556138-3166
VAT.no
SE556138316601
Postal Cheque Service
48 51 08- 5
Bank Transfer
926-0365
Fax
Int [phone]
E-mail
[e-mail]
Phone
Int [phone]
Website
www.veab.com
NB: We reserve us from typographical errors and the right to make changes and improvements to the contents of this manual without prior notice.
AC32
18