Vents TwinFresh Expert Bedienungsanleitung

USER’S MANUAL

Single-room reversible

energy regeneration ventilator

TwinFresh Expert

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Read the user’s manual carefully prior to installing and operating the unit.

Fulfil 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!

The user’s manual consisting of the technical details, operating

instructions and technical specification applies to the installation

and mounting of the single-room energy regeneration reversible

ventilator TwinFresh Expert, (hereinafter « the unit» as mentioned

in the «Safety Requirements» and «Manufacturer’s Warranty»

sections as well as in warnings and information blocks).

Safety requirements 2

Purpose 4

Delivery set 4

Designation key 4

Main technical parameters 5

Design and operating logic 6

Mounting and set-up 8

Unit connection and control 11

Maintenance 15

Troubleshooting 17

Storage and transportation regulations 17

Manufacturer's warranty 18

Acceptance certificate 19

Seller information 19

Installation certificate 19

Warranty card 20

CONTENT

SAFETY REQUIREMENTS

UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS

• Disconnect the unit from power mains

prior to any installation operations. • Unpack the unit with care.

• Do not lay the power cable of the unit in

close proximity to heating equipment.

• While installing the unit follow the

safety regulations specific to the use of

electric tools.

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• 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.

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

flammable 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 flow produced by the

unit towards open flame 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.

RECYCLE AT THE END OF THE SERVICE LIFE.

DO NOT DISPOSE THE PRODUCT WITH UNSORTED MUNICIPAL TRASH.

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The unit is designed to ensure continuous mechanical air exchange in houses, offices, hotels, cafes, conference halls and other

utility and public spaces as well as to recover the heat energy contained in the air extracted from the premises to warm up the filtered

stream of supply air.

The ventilator is equipped with a ceramic regenerator that enables supply of fresh filtered air heated by means of extract air heat

energy regeneration.

The ventilator is designed for through-the-wall mounting.

PURPOSE

DELIVERY SET

DESIGNATION KEY

The unit is rated for continuous operation.

Transported air must not contain any flammable or explosive mixtures, evaporation of chemicals, sticky substances, fibrous

materials, coarse dust, soot and oil particles or environments favourable for the formation of hazardous substances (toxic substances,

dust, pathogenic germs).

Name Quantity

Indoor assembly unit of the ventilator 1 item

Air duct 1 item

Sound-absorbing layer 1 item

Cartridge assembly 1 item

Outer ventilation hood 1 item

Remote control 1 item

Cardboard mounting plate 1 item

Mounting kit 2 sets

User's manual for the ventilator 1 item

Installation instruction for the ventilation hood 1 item

Packing box 1 item

TwinFresh Expert R A 1 - 50 L - 2

Ventilation hood model

_ — EH white 160—

2 — EH-2 white 160

Air duct length

_ — 500 mm

L —700 mm

Rated air capacity [m3/h]

Front panel modification

1 - flat front panel

Controls availability

A —controls and control unit are included in the delivery set

Air duct cross section

R — round

Ventilator series

THE UNIT MAY NOT BE OPERATED BY CHILDREN OR PERSONS WITH 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.

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TECHNICAL DATA

The ventilator is rated for indoor application with the ambient temperature ranging from -30°C (-22 °F) up to +50°C (+122 °F)

and relative humidity up to 97%.

The ventilator is rated as a class II electric appliance.

Ingress Protection (IP) rating from solid objects and liquids IP 24.

The ventilator design is regularly improved, so some models may slightly differ from those ones described in this manual.

The supplied ventilation hood model depends on the ventilator model.

The overall dimensions of the outer ventilation hood are stated in the

installation instruction.

The overall dimensions of the front panel are stated below.

235

(9 ¼")

(2 ⁄")

137

(5 ⁄")

(3 ⁄")

207

(8 ⁄")

138

(5 ⁄")

285

(11 ¼")

160 ( 6 5⁄16")

Air duct length

Outer ventilation hood

Front panel

OVERALL DIMENSIONS OF THE INDOOR ASSEMBLY UNIT, MM (INCH)

TECHNICAL DATA

Speed I II III

Supply Voltage, 50-60 Hz [W] 1~100-240

Power consumption [W] 3.61 4.15 5.2

Total current consumption [A] 0.025 0.030 0.039

Air capacity [m3/h] (CFM) 15 (9) 30 (19) 50 (29)

Filters G3 (MERV 7); F7 (MERV 13) Optional

Max. transported medium temperature [0C (0F)] from -30 (-22) up to 50 (122)

Noise level, 1 m [dB(A)] (Sones) 20 (0,6) 27 (1,0) 30 (1,2)

Noise level, 3 m [dB(A)] (Sones) 11 (0,3) 18 (0,5) 21 (0,6)

Noise level attenuation [dB(A)] (Sones) 42 (2,5)

Heat recovery efficiency [%] 97 90 82

Ingress Protection IP 24

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Front part of the indoor assembly unit

Performs decorative function.

The design enables cut-out of the air duct

in case of a long-lasting standstill of the

ventilator.

Back part of the indoor assembly unit

The assembly unit includes a circuit board

and basic control units located on the side

of the indoor assembly unit.

Cartridge

An assembly unit consists of the fan, regen-

erator and the filters.

Generates air flow, provides energy regen-

eration and air cleaning.

Air duct

A plastic air duct.

Sound-absorbing layer

A layer of sound-absorbing material for

attenuation of noise generated during the

ventilator operation.

Outer ventilation hood

Protect the ventilator from ingress of

water and foreign objects.

Each ventilator model has a matching

ventilation hood model.

Filter

Cleans the air flowing through

the ventilator of dust and for-

eign objects.

Prevents contamination of the

energy regenerator.

Fan

Generates air flow.

Regenerator

Provides extract air energy re-

generation for warming up of

supply air flow.

DESIGN AND OPERATING LOGIC

The ventilator consists of an indoor assembly unit with a decorative front panel, a cartridge, an air duct, a sound absorbing material

and an outer ventilation hood.

Cartridge is the basic functioning part of the ventilator.

The cartridge consists of the fan, the regenerator and two filters that ensure rough air filtration and prevent ingress of dust and

foreign objects into the regenerator and the fan.

The indoor assembly unit is equipped with automatic shutters that close during the ventilator standstill and prevent air backdraft.

The ventilation hood on the outer side prevents ingress of water and foreign objects into the ventilator.

Cartridge is a solid block consisting of the

fan, regenerator an the filters.

The filters are easy removable for technical

maintenance.

VENTILATOR DESIGN

CARTRIDGE DESIGN

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Shutters closed Shutters opened

The indoor assembly unit is equipped with automatic shutters. During the ventilator standby the automatic shutters open and let free

air flow through the ventilator. The automatic shutters close 2 minutes after shutdown of the ventilator.

OPERATING LOGIC OF THE AUTOMATIC SHUTTERS

VENTILATOR OPERATION MODES

The ventilator has two ventilation modes:

Ventilation. The ventilator operates either in extract or supply mode at set speed.

Regeneration. The ventilator operates in reversible mode with heat and humidity regeneration

+20˚C

-7˚C

+20˚C

-7˚C

+17˚C

-10˚C

+17˚C

-10˚C

70 sec.

19.4˚F

14˚F

62.6˚F

68˚F

70 sec.

In Regeneration mode the ventilator operates in two cycles, 70 seconds each.

Cycle I.

Warm stale air is extracted from the room. As it flows through the regenerator, it heats and moisturizes the regenerator, transferring

up to 97% heat energy. In 70 seconds as the ceramic regenerator gets warmed the ventilator is switched to supply mode.

Cycle II.

Fresh intake air from outside flows through the ceramic regenerator and absorbs accumulated moisture and heat up to the room

temperature. In 70 seconds as the ceramic regenerator gets cooled down, the ventilator is switched into extract mode and the cycle is

renewed.

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MOUNTING AND SET-UP

1. Prepare a round thorough hole in the outer wall.

The hole size in the wall is shown in the figure below.

While preparing a core hole it is recommended to make preparations for layout of the power cable and other required cables.

Ø 180

Ø 7 ⁄"

min 500

min 19 ⁄"

min 500

min 19 ⁄

min 500

min 19 ⁄"

A-A

2. Insert the air duct in the wall and fix it with mounting foam. The telescopic air duct end must protrude for the distance that enables

installation of the outer ventilation hood. For details, refer to the installation instruction for the ventilation hood.

0 - 3 mm

(0 - 1⁄8")

Fill the gaps between the wall

and the telescopic air duct

with a mounting foam.

min 3°

Install the air duct in the wall in such a way so it protrudes from

the wall surface for maximum 3 mm or is flush with the wall.

Install the air duct with the minimum slope 3˚downwards.

On the outer wall side the air duct end must protrude to a

distance that enables installation of the outer ventilation hood.

Distance Ais stated in the installation instruction for the

ventilation hood.

READ THE USER’S MANUAL PRIOR TO MOUNTING THE VENTILATOR.

ATTENTION!

DO NOT BLOCK THE AIR DUCT OF THE INSTALLED VENTILATOR WITH DUST

ACCUMULATING MATERIALS, SUCH AS CURTAINS, CLOTH SHUTTERS, ETC. AS IT

PREVENTS AIR CIRCULATION IN THE ROOM.

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3. Stick the delivered cardboard master plate on the indoor wall using a mounting tape. The large opening in the master plate must

be axially aligned with the air duct. For aligning of the mater plate with respect to the horizon line it is recommended to use a builder’s

level. Then mark the fastening holes for installation of the supplied dowels and drill the holes to a required depth. Route the power

cable from the wall outside through the specially marked opening on the master plate.

4. Press the side latches to detach the front part of the indoor assembly unit from its back part.

While installing the front

panel the thermal actuator

rod must be in low position.

5. Fix the back part of the indoor assembly unit on the wall with the screws supplied with the mounting kit of the ventilator. Remove

the two retaining screws from the left transparent cover to enable access to the terminals.

6. Route the power cable as figured below and connect the ventilator to power mains in compliance with the external wiring diagram,

refer Page 11.

Fix the power cable and the signalling cables with a cable clamp. After completion of the electrical connection re-install the transparent

cover in site.

Cable clamp Cable clamp

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7. Insert the cartridge into the air duct as figured below. The pointer must be directed upwards.

Then fix the wire with the protruding clamp and connect the socket connector to the circuit board.

Insert the wires under the

cable clamp and connect

the socket connector to the

circuit board.

The pointer must be

directed upwards.

8. Install the front part of the indoor assembly unit.

Thermal actuator rod

9. Install the sound absorbing layer on the outer side. Roll the layer of the sound absorbing material to match the air duct diameter.

The protecting paper layer must be outside. Insert the sound absorbing roll into the cartridge against stop.Mark the end of the sound

absorbing roll to be flush with the air duct edge and cut the excess.Insert the ready sound absorbing roll into the air duct.

10. Install the outer ventilation hood. The mounting sequence of the outer ventilation hood is described in the installation instruction

for the ventilation hood.

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