Frico Thermozone AR3500 Original Instructions Manual
Original instructions
Thermozone AR3500
.... 24
SE
.... 52
PL
.... 40
FR
.... 32
NO
.... 36
FI
.... 48
RU
.... 28
GB
.... 44
DE
.... 60
NL
.... 56
IT
.... 64
ES
.... 68
HU
A
302
B
C
638
523
595
AR3500
2
Mounting
Fig. 1: The mounting brackets on delivery.
Type A
[mm]B[mm]C[mm]
AR3510 1057 1016 1067
AR3515 1567 1526 1577
AR3520 2073 2031 2083
AR3500
3
Fig. 2a: Mounting on threaded bars.
Mounting
Fig. 2b: Mounting on threaded bars inside unit.
SIRe
Fig. 3: Function of the snap fixing
90°
AR
Service hatch
Fig. 5: SIRe inside unit.
AR3500
4
Water connections
Fig. 4: The water coil is connected inside the unit through holes which are made (during installation) on the
upper side or through the side of the unit, possible places are marked with punch marks.
Type RSK-nr Description HxWxD
[mm]
L
[m]
SIReB Control system Basic
SIReAC Control system Competent
SIReAA Control system Advanced
SIReRTX 673 09 22 External room temperature sensor 70x33x23
SIReUR* 673 09 21 Kit for recessed installation 114x70x50
SIReWTA
Clamp-on sensor
SIReCJ4 Joint piece for two pcs. RJ11 (4p/4c)
SIReCJ6 Joint piece for two pcs. RJ11 (6p/6c)
SIReCC603 673 09 23 Modular cable RJ11 (6p/6c) 3
SIReCC605 673 09 24 Modular cable RJ11 (6p/6c) 5
SIReCC610 673 09 25 Modular cable RJ11 (6p/6c) 10
SIReCC615 673 09 26 Modular cable RJ11 (6p/6c) 15
SIReCC403 673 09 27 Modular cable RJ11 (4p/4c) 3
SIReCC405 673 09 28 Modular cable RJ11 (4p/4c) 5
SIReCC410 673 09 29 Modular cable RJ11 (4p/4c) 10
SIReCC415 673 09 30 Modular cable RJ11 (4p/4c) 15
Regulations alternatives
This aircurtain is supplied with an intelligent
and well designed low voltage control
system SIRe which can be customized for
each unique application and environment.
The control system is pre-installed in the
aircurtain with an integrated control card.
Water regulation
SIRe is supplied pre-programmed with quickrelease connections and is very easy to use
and install. There are three different levels
with different functionality to choose from,
Basic, Competent or Advanced.
Type Description Voltage
[V]
Connection
VOS15LF Valve kit on/off 230 V DN15
VOS15NF Valve kit on/off 230 V DN15
VOS20 Valve kit on/off 230 V DN20
VOS25 Valve kit on/off 230 V DN25
VOSP15LF Pressure independent valve kit 230 V DN15
VOSP15NF Pressure independent valve kit 230 V DN15
VOSP20 Pressure independent valve kit 230 V DN20
VOSP25 Pressure independent valve kit 230 V DN25
VMO15LF Modulating valve kit 24 V DN15
VMO15NF Modulating valve kit 24 V DN15
VMO20 Modulating valve kit 24 V DN20
VMO25 Modulating valve kit 24 V DN25
VMOP15LF Pressure independent and modulating valve kit 24 V DN15
VMOP15NF Pressure independent and modulating valve kit 24 V DN15
VMOP20 Pressure independent and modulating valve kit 24 V DN20
VMOP25 Pressure independent and modulating valve kit 24 V DN25
VOT15 Three way valve and actuator on/off 230 V DN15
VOT20 Three way valve and actuator on/off 230 V DN20
VOT25 Three way valve and actuator on/off 230 V DN25
VMT15 Three way valve and modulating actuator 24 V DN15
VMT20 Three way valve and modulating actuator 24 V DN20
VMT25 Three way valve and modulating actuator 24 V DN25
VAT Adjustment tool for valve kit VOS, VOSP, VMO, VMOP
AR3500
5
Transformer
230V
200V
170V
145V
120V
100V
N
Blue
Black
AR3520A/W
AR3515A/W
SIReB1
Wiring diagrams AR3500
Internal wiring diagram
AR3500A/W
AR3500
6
L1 L2LN L3
Black
Grey
Blue
Transformer
230V
200V
170V
145V
120V
100V
N
Blue
Black
AR3520E18
AR3515E14
AR3520E18
SIReB1
Wiring diagrams AR3500
Internal wiring diagram
AR3500E
AR3500
7
Wiring diagrams - Without heat
Basic
Basic - parallell
SIReB1
SIReUB1
SIReB1
SIReUB1
SIReB1
AR3500
8
Competent
Wiring diagrams - Without heat
SIReUA1
EXTERNAL SETBACK TEMP.
ON/OFF (potential free contact)
EXTERNAL ALARM IN
(potential free contact)
EXTERNAL RPM 0-10V DC IN
EXTERNAL ON/OFF, 5-30V AC/DC
ALARM OUT (BMS)
(potential free contact,
max 3A, 230V)
7 8910
1112 1516
17
18
1920
COM 1 COM 2
ROOM
SIReC1X
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
PE
N
L
PE
SIReDC
AR3500
9
Competent - parallell
Wiring diagrams - Without heat
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReB1
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
PE
N
L
PE
ACTUATOR SUPPLY
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
PE
N
L
PE
ACTUATOR SUPPLY
Pot.
Unit ID
Pot.
Unit ID
≠
SIReUA1
EXTERNAL SETBACK TEMP.
ON/OFF (potential free contact)
EXTERNAL ALARM IN
(potential free contact)
EXTERNAL RPM 0-10V DC IN
EXTERNAL ON/OFF, 5-30V AC/DC
ALARM OUT (BMS)
(potential free contact,
max 3A, 230V)
7 8910
11
12
1516
17
18
1920
COM 1 COM 2
BUS
ROOM
SIReC1X
+
-
SIReDC
AR3500
10
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReB1
SIReRTX
(optional)
SIReUB1
230V~
Wiring diagrams - Electric
Basic
Basic - parallell
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReB1
SIReRTX
(optional)
SIReUB1
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReB1
230V~
230V~
AR3500
11
Competent
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReRTX
(optional)
SIReUA1
EXTERNAL SETBACK TEMP.
ON/OFF (potential free contact)
EXTERNAL ALARM IN
(potential free contact)
EXTERNAL RPM 0-10V DC IN
EXTERNAL ON/OFF, 5-30V AC/DC
ALARM OUT (BMS)
(potential free contact,
max 3A, 230V)
7 8910
11
12
1516
17
18
1920
COM 1 COM 2
ROOM
SIReC1X
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
PE
N
L
PE
SIReDC
230V~
Wiring diagrams - Electric
AR3500
12
Competent - parallell
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReB1
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
PE
N
L
PE
ACTUATOR SUPPLY
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
PE
N
L
PE
ACTUATOR SUPPLY
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
PE
N
L
PE
ACTUATOR SUPPLY
Pot.
Unit ID
Pot.
Unit ID
SIReRTX
(optional)
SIReUA1
EXTERNAL SETBACK TEMP.
ON/OFF (potential free contact)
EXTERNAL ALARM IN
(potential free contact)
EXTERNAL RPM 0-10V DC IN
EXTERNAL ON/OFF, 5-30V AC/DC
ALARM OUT (BMS)
(potential free contact,
max 3A, 230V)
7 8910
11
12
1516
17
18
1920
COM 1 COM 2
BUS
ROOM
SIReC1X
SIReDC
230V~
230V~
230V~
Wiring diagrams - Electric
AR3500
13
Advanced
X5
C2
X4
C1
X3
ROOM
ACTUATOR
230V
SIReRTX
(optional)
EXTERNAL SETBACK TEMP.
on/off (potential free contact)
EXTERNAL ALARM IN
(potential free contact)
EXTERNAL RPM 0-10V DC IN
EXTERNAL ON/OFF, 5-30V AC/DC
ALARM OUT (BMS)
(potential free contact,
max 3A, 230V)
7 8
9
10
11
12
1516
17
18
1920
COM 1 COM 2
BUS
ROOM
SIReA1X
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
PE
N
L
PE
BMS INDICATION OUT
(potential free contact
max 3A, 230V)
123
4
5
6
1314
RPM INDICATION
0-10V DC out (max 5 mA)
EXTERNAL HEAT 0-10 V DC IN
2122
SIReOTX
HEAT INDICATION
0-10V DC out (max 5 mA)
ACTUATOR SUPPLY
SIReUA1
SIReDC
230V~
Wiring diagrams - Electric
AR3500
14
Advanced - parallell
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReB1
SIReRTX
(optional)
EXTERNAL SETBACK TEMP.
on/off (potential free contact)
EXTERNAL ALARM IN
(potential free contact)
EXTERNAL RPM 0-10V DC IN
EXTERNAL ON/OFF, 5-30V AC/DC
ALARM OUT (BMS)
(potential free contact,
max 3A, 230V)
7 8
9
10
11
12
1516
17
18
1920
COM 1 COM 2
BUS
ROOM
SIReA1X
BMS INDICATION OUT
(potential free contact
max 3A, 230V)
123
4
5
6
1314
RPM INDICATION
0-10V DC out (max 5 mA)
EXTERNAL HEAT 0-10 V DC IN
2122
SIReOTX
HEAT INDICATION
0-10V DC out (max 5 mA)
SIReUA1
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
PE
N
L
PE
ACTUATOR SUPPLY
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
PE
N
L
PE
ACTUATOR SUPPLY
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
PE
N
L
PE
ACTUATOR SUPPLY
Pot.
Unit ID
Pot.
Unit ID
SIReDC
230V~
230V~
230V~
Wiring diagrams - Electric
AR3500
15
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
C
SIReB1
SIReSD230
SIReRTX
(optional)
SIReUB1
Wiring diagrams - Water
Basic
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReB1
SIReSD230
SIReRTX
(optional)
SIReUB1
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReB1
SIReSD230
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReB1
SIReSD230
Basic - parallell
AR3500
16
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReSD230
SIReRTX
(optional)
SIReUA1
EXTERNAL SETBACK TEMP.
ON/OFF (potential free contact)
EXTERNAL ALARM IN
(potential free contact)
EXTERNAL RPM 0-10V DC IN
EXTERNAL ON/OFF
5-30V AC/DC
ALARM OUT (BMS)
(potential free contact,
max 3A, 230V)
7 8910
11
12
1516
17
18
1920
COM 1 COM 2
ROOM
SIReC1X
C2
X5
ROOM
X3
Pot.
Unit ID
SIReB1
N L
N
L
PE
+
-
SIReDC
C1
X4
L
~
Competent
Wiring diagrams - Water
AR3500
17
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
ACTUATOR SUPPLY
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
ACTUATOR SUPPLY
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
N L
N
L
PE
ACTUATOR SUPPLY
SIReSD230
SIReSD230
SIReSD230
SIReRTX
(optional)
SIReUA1
EXTERNAL SETBACK TEMP.
ON/OFF (potential free contact)
EXTERNAL ALARM IN
(potential free contact)
EXTERNAL RPM 0-10V DC IN
EXTERNAL ON/OFF, 5-30V AC/DC
ALARM OUT (BMS)
(potential free contact,max 3A, 230V)
7 8910
11
12
1516
17
18
1920
COM 1 COM 2
ROOM
SIReC1X
DOOR CONTACT
(potential free contact)
L
~
N L
N
L
PE
L
~
N L
N
L
PE
L
~
Competent - parallell
Wiring diagrams - Water
AR3500
18
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReST23024
SIReRTX
(optional)
7 8
9
10
11
12
1516
17
18
1920
COM 1 COM 2
BUS
ROOM
SIReA1X
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
SIReSDM24
123
4
5
6
1314
2122
SIReOTX
SIReWTA
(optional)
SIReUA1
SIReDC
ACTUATOR
SUPPLY
EXTERNAL SETBACK TEMP.
on/off (potential free contact)
EXTERNAL ALARM IN
(potential free contact)
EXTERNAL RPM 0-10V DC IN
EXTERNAL ON/OFF, 5-30V AC/DC
ALARM OUT (BMS)
(potential free contact,
max 3A, 230V)
BMS INDICATION OUT
(potential free contact
max 3A, 230V)
RPM INDICATION
0-10V DC out (max 5 mA)
EXTERNAL HEAT 0-10 V DC IN
Blue
White
Blue
White
Red
Black
N L
N
L
PE
L
~
Advanced
Wiring diagrams - Water
AR3500
19
~
X5
C2
X4
C1
X3
ROOM
PE N L
SUPPLY 230V
ACTUATOR
230V
SIReRTX
(optional)
7 8
9
10
11
12
1516
17
18
1920
COM 1 COM 2
BUS
ROOM
SIReA1X
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
SIReSDM24
123
4
5
6
1314
2122
SIReOTX
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
C2
X5
C1
X4
ROOM
X3
Pot.
Unit ID
SIReB1
SIReWTA
(optional)
SIReUA1
SIReSDM24
SIReSDM24
SIReST23024
SIReDC
ACTUATOR
SUPPLY
ACTUATOR
SUPPLY
ACTUATOR
SUPPLY
EXTERNAL SETBACK TEMP.
on/off (potential free contact)
EXTERNAL ALARM IN
(potential free contact)
EXTERNAL RPM 0-10V DC IN
EXTERNAL ON/OFF, 5-30V AC/DC
ALARM OUT (BMS)
(potential free contact,
max 3A, 230V)
BMS INDICATION OUT
(potential free contact
max 3A, 230V)
RPM INDICATION
0-10V DC out (max 5 mA)
EXTERNAL HEAT 0-10 V DC IN
Blue
White
Blue
White
Red
Black
Blue
White
Red
Black
Blue
White
Red
Black
N
N
L
PE
L
~
N L
N
L
PE
L
N
L
N
L
PE
L
L
~
SIReST23024
24V
Black
Red
SIReST23024
24V
Black
Red
24V
Black
Red
Advanced - parallell
Wiring diagrams - Water
AR3500
20
AR3500
21
Output charts water
AR3500W
Standard coil
Incoming / outgoing water temperature 90/70 °C
Incoming air temp. = +15 °C Incoming air temp. = +20 °C
Type Fan
position
Airflow
[m
3
/h]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
AR3510W max 2000 19 43 0,23 19 17 46 0,21 16
min 1000 12 51 0,15 9 11 53 0,14 6
AR3515W max 2800 28 44 0,34 13 25 47 0,31 11
min 1400 18 52 0,22 6 16 54 0,20 5
AR3520W max 4000 40 44 0,49 32 36 47 0,45 27
min 2000 25 52 0,31 14 23 54 0,28 12
Incoming / outgoing water temperature 80/60 °C
Incoming air temp. = +15 °C Incoming air temp. = +20 °C
Type Fan
position
Airflow
[m
3
/h]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
AR3510W max 2000 16 38 0,19 14 14 41 0,17 12
min 1000 10 45 0,13 7 9 47 0,11 4
AR3515W max 2800 23 39 0,29 10 21 42 0,26 8
min 1400 15 46 0,18 5 13 48 0,16 4
AR3520W max 4000 33 40 0,41 24 30 42 0,37 20
min 2000 21 46 0,26 11 19 48 0,23 9
Incoming / outgoing water temperature 60/40 °C
Incoming air temp. = +15 °C Incoming air temp. = +20 °C
Type Fan
position
Airflow
[m
3
/h]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
AR3510W max 2000 9 29 0,12 6 8 32 0,10 4
min 1000 6 33 0,08 3 5 35 0,06 1
AR3515W max 2800 14 30 0,17 4 11 32 0,14 3
min 1400 9 34 0,11 2 7 36 0,09 1
AR3520W max 4000 20 30 0,25 11 17 33 0,21 8
min 2000 13 34 0,16 5 11 36 0,13 4
Incoming / outgoing water temperature 60/30 °C
Incoming air temp. = +15 °C Incoming air temp. = +20 °C
Type Fan
position
Airflow
[m
3
/h]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
AR3510W max 2000 7 25 0,06 2 5 28 0,04 1
min 1000 5 29 0,04 1 3 31 0,03 1
AR3515W max 2800 10 26 0,08 1 8 28 0,06 1
min 1400 7 29 0,06 1 5 31 0,04 0,4
AR3520W max 4000 15 26 0,13 3 12 29 0,09 2
min 2000 10 30 0,08 2 8 32 0,06 1
Incoming / outgoing water temperature 55/35 °C
Incoming air temp. = +15 °C Incoming air temp. = +20 °C
Type Fan
position
Airflow
[m
3
/h]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
AR3510W max 2000 8 27 0,10 5 6 29 0,08 3
min 1000 5 30 0,06 2 4 32 0,05 1
AR3515W max 2800 11 27 0,14 3 9 30 0,11 2
min 1400 7 31 0,09 2 6 33 0,07 1
AR3520W max 4000 17 28 0,21 8 13 30 0,16 5
min 2000 11 31 0,13 4 9 33 0,11 3
AR3500
22
Output charts water
AR3500WLL
Special coil
Incoming / outgoing water temperature 60/30 °C
Incoming air temp. = +15 °C Incoming air temp. = +20 °C
Type Fan
position
Airflow
[m
3
/h]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
AR3510WLL max 1900 13,1 35 0,11 1 1,0 36 0,28 1
min 950 8,1 40 0,06 1 6,3 40 1,75 0,5
AR3515WLL max 2600 19,5 37 0,16 2 15,1 37 4,19 1
min 130 0 11,9 42 0,09 1 9,3 41 2,58 1
AR3520WLL max 3800 27,9 36 0,23 3 21,6 37 6,00 2
min 19 00 1 7, 1 41 0,14 1 13,4 41 3,72 1
Incoming / outgoing water temperature 55/35 °C
Incoming air temp. = +15 °C Incoming air temp. = +20 °C
Type Fan
position
Airflow
[m
3
/h]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
AR3510WLL max 19 00 14,2 37 3,94 4 11,4 38 3,17 2
min 950 8,5 41 2,36 1 6,9 42 1,92 1
AR3515WLL max 2600 18,2 35 5,06 3 13,9 36 3,86 2
min 130 0 11,0 40 3,06 1 8,5 40 2,36 1
AR3520WLL max 3800 29,8 38 8,28 5 24,0 39 6,67 4
min 19 00 1 7, 8 42 4,94 2 14,4 43 4,00 2
Incoming / outgoing water temperature 40/35 °C
Incoming air temp. = +15 °C Incoming air temp. = +20 °C
Type Fan
position
Airflow
[m
3
/h]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
AR3510WLL max 19 00 11,1 32 3,08 24 8,5 33 2,36 16
min 950 6,5 35 1,81 11 5,0 36 1,39 7
AR3515WLL max 2600 16,0 33 4,44 30 12,2 34 3,39 19
min 130 0 9,1 36 2,53 12 7, 0 36 1,94 7
AR3520WLL max 3800 23,0 33 6,39 31 17, 6 34 4,89 19
min 19 00 13,2 35 3,67 12 10,2 36 2,83 7
Incoming / outgoing water temperature 40/30 °C
Incoming air temp. = +15 °C Incoming air temp. = +20 °C
Type Fan
position
Airflow
[m
3
/h]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
Output
[kW]
Outgoing
air temp.
[°C]
Water
flow
[l/s]
Pressure
drop
[kPa]
AR3510WLL max 19 00 9,6 30 2,67 6 6,9 31 1,92 3
min 950 5,7 33 1,58 2 4,2 33 1,17 1
AR3515WLL max 2600 14,0 31 3,89 7 10,0 32 2,78 5
min 130 0 8,2 33 2,28 3 6,0 34 1,67 2
AR3520WLL max 3800 20,0 30 5,56 7 14,5 31 4,03 5
min 19 00 11,8 33 3,28 4 8,7 34 2,42 2
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