Frico RDS Series User manual

RDS
.... 15
SE .... 18 GB
Original instructions

RDS
2
Top view
Side view
W
R
L
X
Y
L
[mm]
RDS23 1000
RDS29 1000
RDS38 1500
RDS56 2000
RDS65 2500
70
Z
Z + 240
Z + 265
270
Min. 800
520
115
125
H
220

RDS
3
Suspended from ceiling
825 825 825
L/2
13
505
260
15
520
ca 75
ca 80
ca 65
10 x M8
8 x M8
13
RDS65E/WL
RDS23E/WL
RDS29E/WL
RDS38E/WL
RDS56E/WL

RDS
4
Connections W
Connections E
Mounted on revolving door
RDSB
100
22
520
617
L
20
25
Ø9
40x80
40

RDS
5
SIReB
SIReAC
SIReAA
SIReRTX 673 09 22 70x33x23 mm
SIReUR 673 09 21 114x70x50 mm
SIReWTA
SIReCJ4
SIReCJ6
SIReCC603 673 09 23 3 m
SIReCC605 673 09 24 5 m
SIReCC610 673 09 25 10 m
SIReCC615 673 09 26 15 m
SIReCC403 673 09 27 30 m
SIReCC405 673 09 28 50 m
SIReCC410 673 09 29 10 m
SIReCC415 673 09 30 15 m
Type RSK-nr Connection
VMO15LF
673 09 47 DN15
VMO15NF 673 09 48 DN15
VMO20 673 09 49 DN20
VMO25 673 09 50 DN25
VMOP15LF 673 09 51 DN15
VMOP15NF 673 09 52 DN15
VMOP20 673 09 53 DN20
VMOP25 673 09 54 DN25
VOS15LF 673 09 35 DN15
VOS15NF 673 09 36 DN15
VOS20 673 09 37 DN20
VOS25 673 09 38 DN25
VOSP15 LF 673 09 43 DN15
VOSP15NF 673 09 44 DN15
VOSP20 673 09 45 DN20
VOSP25 673 09 46 DN25
VOT15 DN15
VOT20 DN20
VOT25 DN25
VMT15 DN15
VMT20 DN20
VMT25 DN25
VAT 482 98 30
Accessories
SIRe
C
SIReB
SIReAC/SIReAA
SIReRTX
SIReUR
SIReWTA
SIReCC
SIReCJ4/SIReCJ6
VOS VOSP
VMO VMOP
VOT VAT
Accessories
Type
FH1025 Flexible hose DN25, inside thread, length 1 m
RDSB Beam 40x80 mm
VMT
FH1025 RDSB

RDS
6
RDS + RDSB (beam)
x2 x4
x4
x2
1 2
3
45
67
8

RDS
7
RDS E
RDS23/29E
RDS56/65E
RDS23/29/38E
SIReB1
Actuator
230V~
Transformer
230V
200V
170V
145V
120V 100V
N
Black Black
Grey
Blue Blue
White
White
Supply
230V~
C2 C1 ROOM
Internal
sensor
Motor
protection
°C°C°C
Transformer
230V
200V
170V
145V
120V 100V
N
Yellow Orange Red Brown Black Green Blue
RDS38E
°C°C°C°C
RDS65E RDS56E
400V3~
230V~
N
L1L2L3

RDS
8
RDS W
RDS23/29W
SIReB1
Actuator
230V~
Transformer
230V
200V
170V
145V
120V 100V
N
Black
Blue
White
White
Supply
230V~
C2 C1 ROOM
Internal
sensor
Motor
protection
°C°C°C
Transformer
230V
200V
170V
145V
120V 100V
N
Yellow Orange Red Brown Black Green Blue
RDS38W
°C°C°C°C
RDS65W RDS56W
230V~

RDS
9
SIReB1 SIReB1
SIReRTX
(optional)
SIReUB1
230V~ 230V~
C2
X5 C1 X4 ROOM
X3
Pot.
Unit ID
N L
PE NL
PE
ACTUATORSUPPLY
C2
X5 C1 X4 ROOM
X3
Pot.
Unit ID
N L
PE NL
PE
ACTUATORSUPPLY
SIReB Basic
RDS E
SIReB Basic - Parallel connection
Wiring diagrams for SIReAC Competent and SIReAA Advanced, see manuals for SIRe.
SIReB1 SIReRTX
(optional)
SIReUB1
230V~
C2
X5 C1 X4 ROOM
X3
Pot.
Unit ID
N L
PE NL
PE
ACTUATOR SUPPLY

RDS
10
SIReB Basic
RDS W
SIReB1 SD230 SIReRTX
(optional)
SIReUB1
C
C2
X5 C1 X4 ROOM
X3
Pot.
Unit ID
N L
PE NL
PE
ACTUATOR SUPPLY 230V~

RDS
11
SIReB Basic - Parallel connection
RDS W
Wiring diagrams for SIReAC Competent and SIReAA Advanced, see manuals for SIRe.
C2
X5 C1 X4 ROOM
X3
Pot.
Unit ID
N L
PE NL
PE
ACTUATOR SUPPLY
C2
X5 C1 X4 ROOM
X3
Pot.
Unit ID
N L
PE NL
PE
ACTUATOR SUPPLY
C2
X5 C1 X4 ROOM
X3
Pot.
Unit ID
N L
PE NL
PE
ACTUATOR SUPPLY
230V~
230V~
230V~
SIReB1
SIReB1
SIReB1
SD230
SD230
SD230 SIReRTX
(optional)
SIReUB1

RDS
12
Output charts water
Supply water temperature: 80 °C
Room temperature: +18 °C
Outlet air temperature: +35 °C*1
Water temperature: 80/60 °C
Room temperature: +18 °C
Type Fan
position
Airflow
[m3/h]
Output
[kW]
Return
water
temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
Output*2
[kW]
Outlet
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
RDS23WL max 2300 13,3 42,7 0,09 1,9 1 7, 9 40,9 0,22 10,8
min 1050 6,1 32,7 0,03 0,3 11,0 48,9 0,13 4,3
RDS29WL max 2900 16,7 47,7 0,13 3,9 20,4 38,7 0,25 13,9
min 1300 7, 5 34,1 0,04 0,5 12,6 46,6 0,15 5,6
RDS38WL max 3800 21,9 41,9 0,14 2,1 29,8 41,1 0,36 12,4
min 1800 10,4 31,5 0,05 0,3 18,8 48,7 0,23 5,1
RDS56WL max 5600 32,3 41,5 0,20 5,9 43,4 40,8 0,53 35,5
min 2700 15,6 30,3 0,08 1,0 27,8 48,3 0,34 15,1
RDS65WL max 6500 37,5 37,4 0,21 8,1 54,1 42,5 0,66 68,9
min 3100 1 7, 9 27,9 0,08 1,4 33,9 50,2 0,41 27,7
Supply water temperature: 70 °C
Room temperature: +18 °C
Outlet air temperature: +35 °C*1
Water temperature: 70/50 °C
Room temperature: +18 °C
Type Fan
position
Airflow
[m3/h]
Output
[kW]
Return
water
temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
Output*2
[kW]
Outlet
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
RDS23WL max 2300 13,3 46,8 0,14 4,7 14,1 36,1 0,17 6,9
min 1050 6,1 34,5 0,04 0,5 8,7 42,5 0,11 2,8
RDS29WL max 2900 16,7 52,3 0,23 12,5 16,1 34,3 0,20 8,9
min 1300 7, 5 37,0 0,06 0,9 10,0 40,7 0,12 3,6
RDS38WL max 3800 21,9 46,1 0,22 5,0 23,6 36,3 0,29 8,0
min 1800 10,4 34,1 0,07 0,6 14,9 42,4 0,18 3,4
RDS56WL max 5600 32,3 46,3 0,33 14,7 34,5 36,1 0,42 23,0
min 2700 15,6 33,4 0,10 1,7 22,1 42,2 0,27 9,9
RDS65WL max 6500 37,5 42,0 0,33 1 7, 9 43,2 37,6 0,52 44,6
min 3100 1 7, 9 30,8 0,11 2,4 27,1 43,7 0,33 18,2

RDS
13
Supply water temperature: 80 °C
Room temperature: +18 °C
Outlet air temperature: +35 °C*1
Water temperature: 80/60 °C
Room temperature: +18 °C
Type Fan
position
Airflow
[m3/h]
Output
[kW]
Return
water
temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
Output*2
[kW]
Outlet
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
RDS23WL max 2300 13,3 42,7 0,09 1,9 1 7, 9 40,9 0,22 10,8
min 1050 6,1 32,7 0,03 0,3 11,0 48,9 0,13 4,3
RDS29WL max 2900 16,7 47,7 0,13 3,9 20,4 38,7 0,25 13,9
min 1300 7, 5 34,1 0,04 0,5 12,6 46,6 0,15 5,6
RDS38WL max 3800 21,9 41,9 0,14 2,1 29,8 41,1 0,36 12,4
min 1800 10,4 31,5 0,05 0,3 18,8 48,7 0,23 5,1
RDS56WL max 5600 32,3 41,5 0,20 5,9 43,4 40,8 0,53 35,5
min 2700 15,6 30,3 0,08 1,0 27,8 48,3 0,34 15,1
RDS65WL max 6500 37,5 37,4 0,21 8,1 54,1 42,5 0,66 68,9
min 3100 1 7, 9 27,9 0,08 1,4 33,9 50,2 0,41 27,7
Supply water temperature: 70 °C
Room temperature: +18 °C
Outlet air temperature: +35 °C*1
Water temperature: 70/50 °C
Room temperature: +18 °C
Type Fan
position
Airflow
[m3/h]
Output
[kW]
Return
water
temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
Output*2
[kW]
Outlet
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
RDS23WL max 2300 13,3 46,8 0,14 4,7 14,1 36,1 0,17 6,9
min 1050 6,1 34,5 0,04 0,5 8,7 42,5 0,11 2,8
RDS29WL max 2900 16,7 52,3 0,23 12,5 16,1 34,3 0,20 8,9
min 1300 7, 5 37,0 0,06 0,9 10,0 40,7 0,12 3,6
RDS38WL max 3800 21,9 46,1 0,22 5,0 23,6 36,3 0,29 8,0
min 1800 10,4 34,1 0,07 0,6 14,9 42,4 0,18 3,4
RDS56WL max 5600 32,3 46,3 0,33 14,7 34,5 36,1 0,42 23,0
min 2700 15,6 33,4 0,10 1,7 22,1 42,2 0,27 9,9
RDS65WL max 6500 37,5 42,0 0,33 1 7, 9 43,2 37,6 0,52 44,6
min 3100 1 7, 9 30,8 0,11 2,4 27,1 43,7 0,33 18,2
Supply water temperature: 55 °C
Room temperature: +18 °C
Outlet air temperature: +32 °C
Water temperature: 55/35 °C
Room temperature: +18 °C
Type Fan
position
Airflow
[m3/h]
Output
[kW]
Return
water
temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
Output*2
[kW]
Outlet
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
RDS23WL max 2300 11,2 46,0 0,30 20,9 8,4 28,7 0,10 2,7
min 1050 5,2 35,0 0,06 1,1 5,2 32,6 0,06 1,1
RDS29WL max 2900 14,1 50,0 0,76 124,2 9,5 27,7 0,11 3,4
min 1300 6,4 37,0 0,09 1,9 6,0 31,5 0,07 1,4
RDS38WL max 3800 18,7 46,0 0,50 24,0 14,1 28,9 0,17 3,1
min 1800 8,6 34,0 0,10 1,1 9,0 32,7 0,11 1,3
RDS56WL max 5600 27,2 46,0 0,73 68,5 20,9 29,0 0,25 9,1
min 2700 12,5 32,0 0,13 2,8 13,5 32,8 0,16 4,0
RDS65WL max 6500 31,0 42,0 0,56 50,8 26,4 30,0 0,32 1 7, 6
min 3100 14,4 30,0 0,14 3,8 16,7 33,9 0,20 7, 4
See www.frico.se for additional calculations.
*1) Recommended outlet air temperature for good comfort and optimized output.
*2) Nominal output at given supply and return water temperature.
Supply water temperature: 60 °C
Room temperature: +18 °C
Outlet air temperature: +35 °C*1
Water temperature: 60/40 °C
Room temperature: +18 °C
Type Fan
position
Airflow
[m3/h]
Output
[kW]
Return
water
temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
Output*2
[kW]
Outlet
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPA]
RDS23WL max 2300 13,3 51,9 0,40 35,5 10,3 31,3 0,12 3,9
min 1050 6,1 37,9 0,07 1,2 6,4 36,0 0,08 1,6
RDS29WL max 2900 13,8 46,9 0,26 15,0 11,7 29,9 0,14 5,0
min 1300 7, 5 40,9 0,10 2,3 7, 3 34,6 0,09 2,1
RDS38WL max 3800 21,9 51,5 0,63 36,4 1 7, 3 31,4 0,21 4,5
min 1800 10,4 37,8 0,11 1,4 11,0 36,0 0,13 1,9
RDS56WL max 5600 32,3 52,0 1,05 136 25,5 31,4 0,31 13,1
min 2700 15,6 37,7 0,17 4,3 16,4 35,9 0,20 5,7
RDS65WL max 6500 37,1 48,0 0,72 83,2 32,0 32,5 0,39 25,4
min 3100 1 7, 9 34,9 0,17 5,5 20,2 37,2 0,24 10,5

RDS
14
Technical specifications - Electrical heat - RDS E 3
Technical specifications - Water heat - RDS WL, coil for low water temperature (480 °C) 2
*1) Lowest/highest airflow of totally 5 fan steps.
*2) Conditions: Distance to the unit 5 metres. Directional factor: 2. Equivalent absorption area: 200 m².
*3) ∆t = temperature rise of passing air at maximum heat output and lowest/highest airflow.
*4) Applicable at water temperature 60/40 °C, air temperature, in +18 °C.
*5) Applicable at water temperature 80/60 °C, air temperature, in +18 °C.
*6) Approximate weight for air curtain and duct.
Protection class: IP20.
CE compliant.
The data are estimated average values which are affected by the shape of the exhaust duct.
Ty p Output*4
[kW]
Output*5
[kW]
Airflow*1
[m3/h]
∆t*3,4
[°C]
∆t*3,5
[°C]
Water
volume
[l]
Sound
level*1
[dB(A)]
Voltage
[V]
Amperage
[A]
Length
[mm]
Weight*6
[kg]
RDS23WL 10,3 1 7, 9 1050/2300 18/13 31/23 2,2 60 230V~ 2,3 1000 80
RDS29WL 11,7 20,4 1300/2900 17/12 29/21 2,2 61 230V~ 3,6 1000 100
RDS38WL 1 7, 3 29,8 1800/3800 18/13 31/23 3,4 62 230V~ 4,8 1500 150
RDS56WL 25,5 43,3 2700/5600 18/13 30/23 4,5 63 230V~ 7, 0 2000 200
RDS65WL 32,0 54,1 3100/6500 19/15 32/25 5,7 64 230V~ 8,2 2500 220
Type Output
steps
[kW]
Airflow*1
[m3/h]
∆t*3
[°C]
Sound
level*2
[dB(A)]
Voltage [V]
Amperage [A]
(control)
Voltage [V]
Amperage [A]
(heat)
Length
[mm]
Weight*6
[kg]
RDS23E08 2,7/5,4/8,1 1050/2300 23/11 60 230V~/2,3 400V3~/11,7 1000 80
RDS29E12 3,9/7,8/11,7 1300/2900 27/12 61 230V~/3,6 400V3~/16,9 1000 100
RDS38E18 6,0/12,0/18,0 1800/3800 30/14 62 230V~/4,8 400V3~/26,0 1500 150
RDS56E23 7,8/15,6/23,4 2700/5600 26/12 63 230V~/7,0 400V3~/33,8 2000 200
RDS65E30 9,9/18,8/29,7 3100/6500 29/14 64 230V~/8,2 400V3~/42,9 2500 220

RDS
18
GB
Assembly and operating instructions
General Instructions
Read these instructions carefully before
installation and use. Keep this manual for
future reference.
The product may only be used as set out in
the assembly and operating instructions. The
guarantee is only valid if the product is used
in the manner intended and in accordance
with the instructions.
Application area
The RDS air curtain is supplied with electrical
heating or hot water heating.
RDS is intended for revolving doors.
The air curtain is installed above the
door and the exhaust duct is adapted to the
diameter of the door, which gives a neat and
discrete solution.
Protection class: IP20
Function
Air is drawn in at the top of the unit and
blown out downwards so that it shields the
door opening and minimizes heat loss. To
achieve the optimum curtain effect the
unit must extend the full width of the door
opening.
The efficiency of the air curtain depends
on the air temperature, pressure differences
across the doorway and any wind pressure.
NOTE! Negative pressure in the building
considerably reduces the efficiency of the air
curtain. The ventilation should therefore be
balanced.
Mounting
The air curtain is installed, on steel plates
(100 x 200) that distribute the weight, on the
roof of the revolving door.
The unit could alternatively be mounted on
beams.
• Make sure that the air curtain ts on top of
the revolving door.
• The distance between the roof of the
revolving door and the inside ceiling must
not be less than 800 mm, for installation and
service to be possible.
• Ensure that the ceiling of the revolving door
can carry the weight of the air curtain and
duct. The estimated weight of the installation
is stated in the Technical specifications. If the
revolving door roof cannot take the weight,
RDS can be carried on a beam construction.
Beam mountings included.
• For installation with beams see fig. 2.
Electrical installation
The installation, which should be preceded by
an omnipolar 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.
The control system is pre-installed in the air
curtain with an integrated control card.
SIRe is supplied pre-programmed with quick-
t connections. Modular cables are connected
to the control board.
See manual for SIRe.
Unit with water heating
Connected via the built-in control board with
2 m cord and plug.
Unit with electrical heating
The electrical connection is made on the side
of the unit.
Control (230V~) and power supply for heat
(400V3~) should be connected to a terminal
block. See g 1.
The largest cable diameter for the terminal
block is 16 mm². The 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.
1. Service hatch is opened by removing the
screws on the top side of the unit.
2.The unit is connected via the cable gland on
the right side of the unit (seen from inside).
See wiring diagrams.

RDS
19
GB
Connecting the water coil (W)
The installation must be carried out by an
authorised installer.
The water coil has copper tubes with
aluminium fins and is suitable for connection
to a closed water heating system. The 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 Frico valve kit.
The water coil is connected on the side
of the unit via DN25 (1’’), internal thread
connections.
Flexible hoses are available as an accessory,
see accessories pages.
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.
The connections to the heating coil must
be equipped with shut off valves (included
in Frico valve kits) to allow problem free
removal. A vent valve should be connected at a
high point in the pipe system. Air valves are not
included
Basic setting fan speed
The fan speed when the door is open is set
using the control. Note that the air flow
direction and fan speed may need fine
adjustment depending on the loading of the
door.
Filter (W)
The distance between the fins in combination
with the hole diameter of the intake grille
prevents the coil from clogging. This normally
makes a separate lter unnecessary.
Service, repairs and maintenance
For all service, repair and maintenance rst
carry out the following:
1.Disconnect the power supply.
2.Service hatch is opened by removing the
screws on the top or bottom side of the
unit.
Maintenance
Unit with water heating:
The appliance filter should be cleaned
regularly to ensure the air curtain effect 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. Vacuum the intake grille regularly
from outside when dust is visible, for example
as a part of the cleaning routine.
All units:
Since fan motors and other components are
maintenance free, no maintenance other than
cleaning is necessary. The level of cleaning
can vary depending on local conditions.
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
The air curtain unit with electric heater is
equipped with an overheat protector. The
overheat protection is reset by turning
off the switch and the unit cools. If it is de-
ployed due to overheating, reset as follows:
1. Disconnect the electricity with the fully
isolated switch.
2. Allow the electrical coil to cool.
3. Determine the cause of overheating and
rectify the fault.
4. Connect the air curtain again.
All motors are equipped with an integral ther-
mal safety cut-out. This will operate, stopping
the air curtain should the motor temperature
rise too high. The cut-out will automatically
reset when the motor temperature has retur-
ned to within the motor’s operating limits.
Temperature control
Temperature control of SIRe maintains the
exhaust temperature. If the temperature
should exceed there is an overheating alarm.
For more information see the manual for
SIRe.

RDS
20
GB
Fan replacement
Fans are replaced through the bottom service
hatch. Alternatively the screws of the bottom
service hatch are slackened and the fans are
replaced through the top service hatch.
1.Determine which of the fans is not
functioning.
2.Disconnect the cables to the relevant fan.
3.Remove the screws securing the fan and lift
the fan out.
4.Install the new fan as above in reverse
order.
Replacing electrical coil (E)
The coil must be replaced through the top
service hatch.
1. Mark and disconnect the cables to the
electric coil.
2. Remove the mounting screws securing the
coil in the unit and lift the coil out.
3. Install the new coil in reverse order to the
above.
Replacing the water coil (W)
The coil must be replaced through the top
service hatch.
1.Shut off the water supply to the unit.
2.Disconnect the connections to the water
coil.
3.Remove the mounting screws securing the
coil in the unit and lift the coil out.
4.Install the new coil in reverse order to the
above.
Draining the water coil (W)
The drain valves is on the underside of the
coil on the connector side. It can be accessed
via the service hatch.
Trouble shooting
If the fans are not working or do not blow properly,
check the following:
• That the intake grille/lter is not dirty.
• Functions and settings of the SIRe control
system , see manual for SIRe.
If there is no heat, check the following:
• Functions and settings of the SIRe control
system, see manual for SIRe.
For units with electrical heating, check also the
following:
• Power supply to electric heater coil; check
fuses and circuit-breaker (if any).
• That the overheat protection for the motors
has not been deployed.
For units with water coil, check also the following:
• That the water coil is air free.
• That there is enough water ow.
• That incoming water is heated enough.
If the fault cannot be rectified, please contact
a qualified 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.
This should not be seen as a fault, but is
simply rectified by connecting the appliance
to the mains supply via a socket without a
safety cut-out, so that the moisture can be
eliminated from the element. The drying
time can vary from a few hours to a few days.
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.

RDS
21
GB
Safety
• Forallinstallationsofelectricallyheated
products should a residual current circuit
breaker 300 mA for fire protection be used.
• Keeptheareasaroundtheairintake
and exhaust grilles free from possible
obstructions!
•During operation the surfaces of the unit
can be hot!
•Theunitmustnotbefullyorpartially
covered with clothing, or similar
materials, as overheating can result in a
fire risk! (E)
• Thisapplianceisnotintendedforuseby
persons (including children) with reduced
physical, sensory or mental capabilities,
or lack of experience and knowledge,
unless they have been given supervision
or instruction concerning use of the
appliance by a person responsible for
their safety. Children should be supervised
to ensure that they do not play with the
appliance.