Vents TwinFresh Comfo RA1-25 User manual

USER’S MANUAL
TwinFresh Comfo:
• RA1-25
• RA1-25-2
• SA-35
• SA-35-2
• SA1-35
• SA1-35-2
• RA-35
• RA-35-2
• RA1-35
• RA1-35-2
• RA-50
• RA-50-2
• RA1-50
• RA1-50-2
• RA-85
• RA-85-2
• RA1-85
• RA1-85-2
SINGLE-ROOM REVERSIBLE ENERGY
REGENERATION VENTILATOR

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2
Safety requirements 3
Purpose 5
Delivery set 5
Designation key 6
Main technical parameters 6
Design and operating logic 11
Mounting and set-up 13
Connection to power mains 20
Ventilator control 23
Maintenance 25
Troubleshooting 27
Storage and transportation regulations 27
Manufacturer's warranty 28
Acceptance certicate 29
Seller information 29
Installation certicate 29
Warranty Card 30
CONTENTS

3
• Read the user’s manual carefully prior to installing and operating the unit.
• Full the user’s manual requirements as well as the provisions of all the applicable local and national construction, electrical and
technical norms and standards.
• The warnings contained in the user’s manual must be considered most seriously since they contain vital personal safety information.
• Failure to follow the rules and safety precautions noted in this user’s manual may result in an injury or unit damage.
• After a careful reading of the manual, keep it for the entire service life of the unit.
• While transferring the unit control the User’s manual must be turned over to the receiving operator.
Symbol legend:
WARNING!
DO NOT!
SAFETY REQUIREMENTS
The user’s manual consisting of the technical details, operating instructions and technical specication applies to the installation and
mounting of the single-room energy regeneration reversible ventilator TwinFresh Comfo, (hereinafter «the unit» as mentioned in the «Safety
Requirements» and «Manufacturer’s Warranty» sections as well as in warnings and information blocks).
UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS
• Disconnect the unit from power mains prior
to any installation operations. • The unit must be grounded!
• Do not lay the power cable of the unit in
close proximity to heating equipment.
• While installing the unit follow the safety
regulations specic to the use of electric
tools.
• Do not change the power cable length at
your own discretion.
• Do not bend the power cable.
• Avoid damaging the power cable.
• Do not put any foreign objects on the power
cable.
• Unpack the unit with care.
• Do not use damaged equipment or cables
when connecting the unit to power mains.
• Do not operate the unit outside the
temperature range stated in the user’s
manual.
• Do not operate the unit in aggressive or
explosive environments.
• Do not touch the unit controls with wet
hands.
• Do not carry out the installation and
maintenance operations with wet hands.
• Do not wash the unit with water.
• Protect the electric parts of the unit against
ingress of water.

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4
UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS
• Do not allow children to operate the unit. • Disconnect the unit from power mains prior to
any technical maintenance.
• Do not store any explosive or highly ammable
substances in close proximity to the unit.
• When the unit generates unusual sounds,
odour or emits smoke disconnect it from
power supply and contact the Seller.
• Do not open the unit during operation. • Do not direct the air ow produced by the unit
towards open ame or ignition sources.
• Do not block the air duct when the unit is
switched on.
• In case of continuous operation of the unit
periodically check the security of mounting.
• Do not sit on the unit and avoid placing
foreign objects on it. • Use the unit only for its intended purpose.

5
The unit is designed to ensure continuous mechanical air exchange in houses, oces, hotels, cafes, conference halls and other utility and
public spaces.
The ventilator is equipped with a ceramic regenerator that enables supply of fresh ltered air heated by means of extract air heat energy
regeneration.
The ventilator is designed for through-the-wall mounting.
The telescopic ventilator design enables its installation in the walls with various thickness, see the table below:
Wall thickness Ventilator model
300 mm - 570 mm (11 13/16’’- 22 7/16”) • RA1-25
120 mm - 500 mm (4 3/4’’ - 19 11/16”) • RA1-25-2
250 mm - 470 mm (9 13/16’’ - 18 1/2”)
• SA-35
• SA1-35
• RA-35
• RA1-35
• RA-50
• RA1-50
• RA-85
• RA1-85
120 mm - 300 mm (4 3/4’’ - 11 13/16’’)
• SA-35-2
• SA1-35-2
• RA-35-2
• RA1-35-2
• RA-50-2
• RA1-50-2
• RA-85-2
• RA1-85-2
The ventilator is rated for continuous operation always connected to power mains.
Transported air must not contain any ammable or explosive mixtures, evaporation of chemicals, sticky substances, brous materials,
coarse dust, soot and oil particles or environments favourable for the formation of hazardous substances (toxic substances, dust, pathogenic
germs).
Name Number
Ventilator 1 item
Fastening set 1 item
Remote control 1 item
User's manual 1 item
Packing box 1 item
PURPOSE
THE UNIT MAY NOT BE OPERATED BY CHILDREN OR PERSONSWITH REDUCED PHYSICAL, MENTAL OR SENSORY
CAPACITIES, OR LACKING THE APPROPRIATE TRAINING.
THE UNIT MUST BE INSTALLED AND CONNECTED ONLY BY PROPERLY QUALIFIED PERSONNEL AFTER THE
APPROPRIATE BRIEFING.
THE CHOICE OF UNIT INSTALLATION LOCATION MUST PREVENT UNAUTHORIZED ACCESS BY UNATTENDED
CHILDREN.
DELIVERY SET

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6
TwinFresh Comfo RA1-25-2
Outer ventilation hood type
_ — standard ventilation hood
2 — ventilation hood for thin walls
Comfo Series
Cross-section prole of the connecting air duct
R -round cross-section
S - square cross-section
Integrated control system
Front panel type
_ - grille
1 - panel with a at front cover
Rated air capacity [m3/h]
The ventilator is designed for indoor application with the ambient temperature ranging from -20°C (-4 °F) up to +50°C (+122 °F) and relative
humidity up to 80%.
The ventilator is rated as a class I electric appliance.
Ingress Protection (IP) rating from solid objects and liquids IP 24.
The ventilator design is regularly improved, so some models may slightly dier from those ones described in this manual.
107
4 ⁄"
103
4 ⁄"
107
4 ⁄"
103
4 ⁄"
270 (10 ⁄")
280 (11")
205
(8 ⁄")
300-570
(11 ⁄"-22 ⁄")
133
(5 ¼")
50
(1 ⁄")
260
(10 ¼")
240
(
9 ⁄" )
205
( 8 ⁄")
120-500
(4 ¾"-19 ⁄")
150
(5 ⁄")
50
(1 ⁄")
205
( 8 ⁄")
107
4 ⁄"
103
4 ⁄"
107
4 ⁄"
103
4 ⁄"
VENTILATOR OVERALL DIMENSIONS, MM INCHES
TwinFresh Comfo RA1-25
TwinFresh Comfo RA1-25-2
DESIGNATION KEY
MAIN TECHNICAL PARAMETERS

7
120-300
(4 ¾"-11 ⁄")
57
(2 ¼")
144
(5 ⁄")
250-470
(9 ⁄"-18 ½")
133
(5 ¼")
57
(2 ¼")
300 (11 ⁄")
300
(11 ⁄")
310 (12 ⁄")
260
(10 ¼")
280
(11")
213
( 8 ⁄")
213
( 8 ⁄")
132
5 ⁄"
128
5 ⁄"
250-470
(9 ⁄"-18 ½")
133
(5 ¼")
3 1/8"
80
(3 ⁄")
300
(11 ⁄")
280
(11")
240
( 9 ⁄")
240
( 9 ⁄")
120-300
(4 ¾"-11 ⁄")
80
(3 ⁄")
144
(5 ⁄")
300 (11 ⁄")
310 (12 ⁄")
260
(10 ¼")
132
5 ⁄"
128
5 ⁄"
132
5 ⁄"
128
5 ⁄"
132
5 ⁄"
128
5 ⁄"
120-300
(4 ¾"-11 ⁄")
65
(2 ⁄")
144
(5 ⁄")
250-470
(9 ⁄"-18 ½")
133
(5 ¼")
65
(2 ⁄")
300 (11 ⁄")
300
(11 ⁄")
310 (12 ⁄")
260
(10 ¼")
280
(11")
213
( 8 ⁄")
213
( 8 ⁄")
157
6 ⁄"
153
6"
250-470
(9 ⁄"-18 ½")
133
(5 ¼")
86
(3 ⁄")
300
(11 ⁄")
280
(11")
240
( 9 ⁄")
157
6 ⁄"
153
6"
157
6 ⁄"
153
6"
120-300
(4 ¾"-11 ⁄")
86
(3 ⁄")
144
(5 ⁄")
300 (11 ⁄")
310 (12 ⁄")
260
(10 ¼")
157
6 ⁄"
153
6"
240
( 9 ⁄")
TwinFresh Comfo RA1-35
TwinFresh Comfo RA1-50
TwinFresh Comfo RA1-85
TwinFresh Comfo RA-35-2
TwinFresh Comfo RA-35
TwinFresh Comfo RA1-35-2

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8
120-300
(4 ¾"-11 ⁄")
65
(2 ⁄")
144
(5 ⁄")
250-470
(9 ⁄"-18 ½")
133
(5 ¼")
65
(2 ⁄")
300 (11 ⁄")
300
(11 ⁄")
310 (12 ⁄")
260
(10 ¼")
280
(11")
213
( 8 ⁄")
213
( 8 ⁄")
157
6 ⁄"
153
6"
250-470
(9 ⁄"-18 ½")
133
(5 ¼")
86
(3 ⁄")
300
(11 ⁄")
280
(11")
240
( 9 ⁄")
157
6 ⁄"
153
6"
157
6 ⁄"
153
6"
120-300
(4 ¾"-11 ⁄")
86
(3 ⁄")
144
(5 ⁄")
300 (11 ⁄")
310 (12 ⁄")
260
(10 ¼")
157
6 ⁄"
153
6"
240
( 9 ⁄")
TwinFresh Comfo RA-50
TwinFresh Comfo RA-85
TwinFresh Comfo RA1-50-2
TwinFresh Comfo RA1-85-2
TwinFresh Comfo RA-50-2
TwinFresh Comfo RA-85-2
120-300
(4 ¾"-11 ⁄")
65
(2 ⁄")
144
(5 ⁄")
250-470
(9 ⁄"-18 ½")
133
(5 ¼")
65
(2 ⁄")
300 (11 ⁄")
300
(11 ⁄")
310 (12 ⁄")
260
(10 ¼")
280
(11")
213
( 8 ⁄")
213
( 8 ⁄")
250-470
(9 ⁄"-18 ½")
133
(5 ¼")
86
(3 ⁄")
300
(11 ⁄")
280
(11")
240
( 9 ⁄")
240
( 9 ⁄")
120-300
(4 ¾"-11 ⁄")
86
(3 ⁄")
144
(5 ⁄")
300 (11 ⁄")
310 (12 ⁄")
260
(10 ¼")
150
5 ⁄"
135
5 ⁄"
150
5 ⁄"
135
5 ⁄"
150
5 ⁄"
135
5 ⁄"
150
5 ⁄"
135
5 ⁄"
TwinFresh Comfo SA1-35
TwinFresh Comfo SA-35

9
120-300
(4 ¾"-11 ⁄")
65
(2 ⁄")
144
(5 ⁄")
250-470
(9 ⁄"-18 ½")
133
(5 ¼")
65
(2 ⁄")
300 (11 ⁄")
300
(11 ⁄")
310 (12 ⁄")
260
(10 ¼")
280
(11")
213
( 8 ⁄")
213
( 8 ⁄")
250-470
(9 ⁄"-18 ½")
133
(5 ¼")
86
(3 ⁄")
300
(11 ⁄")
280
(11")
240
( 9 ⁄")
240
( 9 ⁄")
120-300
(4 ¾"-11 ⁄")
86
(3 ⁄")
144
(5 ⁄")
300 (11 ⁄")
310 (12 ⁄")
260
(10 ¼")
150
5 ⁄"
135
5 ⁄"
150
5 ⁄"
135
5 ⁄"
150
5 ⁄"
135
5 ⁄"
150
5 ⁄"
135
5 ⁄"
TwinFresh Comfo SA1-35-2
TwinFresh Comfo SA-35-2
VENTILATOR TECHNICAL DATA
TwinFresh Comfo RA1-25, TwinFresh Comfo RA1-25-2
Speed I II III
Supply Voltage, 50-60 Hz [V] 1~100-230
Air Capacity [m3/h] (CFM) 7 (4) 15 (9) 24 (14)
Power [W] 3,50 3,95 5,32
Current [A] 0,023 0,026 0,036
RPM [min-1] 1190 1330 2420
Noise Level, 1 m [dB(A)] (Sones) 31 (0,9) 35 (1,3) 43 (2,5)
Noise Level, 3 m [dB(A)] (Sones) 22 (0,4) 25 (0,5) 33 (1,1)
Outdoor noise attenuation [dB(A)] (Sones) 16 (0,4)
Heat Recovery Eciency up to 85%
TwinFresh Comfo RA-35, TwinFresh Comfo RA1-35, TwinFresh Comfo RA-35-2, TwinFresh Comfo RA1-35-2
Speed I II III
Supply Voltage, 50-60 Hz [V] 1~100-230
Air Capacity [m3/h] (CFM) 10 (6) 20 (12) 30 (18)
Power [W] 3,93 4,39 5,10
Current [A] 0,023 0,026 0,032
RPM [min-1] 745 1075 1670
Noise Level, 1 m [dB(A)] (Sones) 27 (0,6) 32 (1,0) 38 (2,0)
Noise Level, 3 m [dB(A)] (Sones) 18 (0,4) 23 (0,5) 28 (0,7)
Outdoor noise attenuation [dB(A)] (Sones) 17 (0,4)
Heat Recovery Eciency up to 90%

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VENTILATOR TECHNICAL DATA
TwinFresh Comfo RA-50, TwinFresh Comfo RA1-50, TwinFresh Comfo RA-50-2, TwinFresh Comfo RA1-50-2
Speed I II III
Supply Voltage, 50-60 Hz [V] 1~100-230
Air Capacity [m3/h] (CFM) 14 (8) 28 (16) 54 (32)
Power [W] 3,80 3,96 5,61
Current [A] 0,024 0,026 0,039
RPM [min-1] 610 800 1450
Noise Level, 1 m [dB(A)] (Sones) 22 (0,4) 29 (0,7) 32 (1,0)
Noise Level, 3 m [dB(A)] (Sones) 13 (0,2) 20 (0,4) 23 (0,5)
Outdoor noise attenuation [dB(A)] (Sones) 18 (0,4)
Heat Recovery Eciency up to 90%
TwinFresh Comfo RA-85, TwinFresh Comfo RA1-85, TwinFresh Comfo RA-85-2, TwinFresh Comfo RA1-85-2
Speed I II III
Supply Voltage, 50-60 Hz [V] 1~100-230
Air Capacity [m3/h] (CFM) 36 (21) 59 (35) 85 (50)
Power [W] 4,74 6,56 9,65
Current [A] 0,034 0,050 0,071
RPM [min-1] 1000 1500 2045
Noise Level, 1 m [dB(A)] (Sones) 29 (0,8) 35 (1,5) 44 (3,5)
Noise Level, 3 m [dB(A)] (Sones) 19 (0,4) 25 (0,7) 34 (1,4)
Outdoor noise attenuation [dB(A)] (Sones) 18 (0,4)
Heat Recovery Eciency up to 90%
TwinFresh Comfo SA-35, TwinFresh Comfo SA1-35, TwinFresh Comfo SA-35-2, TwinFresh Comfo SA1-35-2
Speed I II III
Supply Voltage, 50-60 Hz [V] 1~100-230
Air Capacity [m3/h] (CFM) 12 (7) 25 (15) 37 (22)
Power [W] 4,54 5,18 6,10
Current [A] 0,026 0,031 0,037
RPM [min-1] 851 1330 1715
Noise Level, 1 m [dB(A)] (Sones) 28 (0,7) 33 (1,1) 39 (2,0)
Noise Level, 3 m [dB(A)] (Sones) 19 (0,4) 24 (0,5) 29 (0,7)
Outdoor noise attenuation [dB(A)] (Sones) 18 (0,4)
Heat Recovery Eciency up to 88%