Vents VUT R 400 EH EC Manuale utente

USER’S MANUAL

VUT R 400 EH EC

VUT R 700 EH EC

VUT R 900 EH EC

VUT R 1200 EH EC

VUT R 1500 EH EC

Heat recovery air handling unit

VUT R EH EC

CONTENTS

Safety requirements 3

Introduction 5

Use 5

Delivery set 5

Designation key 5

Main technical data 6

Design and operating logic 8

Mounting and set-up 8

Condensate drain 11

Connection to power mains 12

Unit control 17

Maintenance 18

Troubleshooting 18

Storage and transportation rules 19

Manufacturer's warranty 19

Acceptance certicate 20

Seller's information 20

Mounting certicate 20

Warranty Card 21

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SAFETY REQUIREMENTS

• Read the user’s manual carefully prior to the operation and installation of the heat recovery air handling unit, hereinafter the

unit.

• Installation and operation of the unit shall be performed in accordance with the present user’s manual as well as the provisions

of all the applicable local and national construction, electrical and technical codes and standards.

• The warnings contained in the present user’s manual must be considered most seriously since they contain vital personal safety

information.

• Failure to follow the safety regulations may result in an injury or unit damage.

• Read the manual carefully and keep it as long as you use the unit.

• While transferring the unit control the user’s manual must be turned over to the receiving operator.

Symbol legend used in the manual:

UNIT MOUNTING SAFETY PRECAUTIONS

WARNING!

DO NOT!

The unit must be disconnected from the power

supply prior to every installation or repair

operation.

The unit must be grounded!

The unit must not be operated outside the

temperature range stated in the user's manual

or in aggressive or explosive environments.

Do not use damaged equipment or

conductors to connect the unit to power

mains.

While installing the unit follow the safety

regulations specic to the use of electric tools. Unpack the unit with care.

Do not change the power cord length at your

own discretion. Do not bend the power cord.

Avoid damaging the power cord.

Do not position any heating devices or other

equipment in close proximity to the unit

power cord.

VUT R EH EC

UNIT OPERATION SAFETY PRECAUTIONS

Do not touch the controller or the remote

control with wet hands. Do not carry out the

unit maintenance with wet hands.

Do not wash the unit with water.

Protect the unit electric parts from water

ingress.

Use the unit only as intended by the

manufacturer. Do not connect a clothes dryer

or other similar equipment to the ventilation

system.

Do not put any water containers on the unit.

i.e. ower vases.

Do not sit on the unit and do not put any

objects on it.

OFF

Disconnect the unit from power supply prior

to maintenance.

Do not let children operate the unit.

Do not damage the power cable while

operating the unit. Do not put any objects

on the power cable.

Keep combustible gases and inammable

products away of the unit. Do not open the operating unit.

In case of unusual sounds, smoke disconnect

the unit from power supply and contact the

service centre.

During long-term operation of the unit

periodically check the mounting for

reliability.

Do not block the air duct when the unit is on. Do not let air ow from the unit be directed

to the open ame devices or candles.

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This user’s manual includes technical description, operation, installation and mounting guidelines, technical data for the heat

recovery air handling unit VENTS VUT R EH EC.

INTRODUCTION

The unit with a heat exchange and an electric heater is a heat recovery device and is one of the energy saving components used in

buildings and premises. The unit is a component unit and is not designed for independent operation.

The unit enables continuous air exchange by means of mechanical ventilation in private residences, oces, hotels, cafes, conference

rooms, etc. as well as recovery of the waste heat energy contained in the extract air to warm up the clean supply air.

Transported air must not contain any ammable or explosive mixtures, evaporation of chemicals, coarse dust, soot and oil particles,

sticky substances, brous materials, pathogens or any other harmful substances.

USE

DELIVERY SET

Unit - 1 item;

User’s manual - 1 item;

Packing box 1 item;

Control panel - 1 item.

DESIGNATION KEY

VUT R ХХХ EH ЕС

Unit type

VUT – heat recovery ventilation

Heat exchanger type

R – rotary heat exchanger

Spigot orientation:

H – horizontal

Heater type

E – electric

Motor type:

EC – electronically commutated

Air capacity [m3/h]

THE UNIT IS NOT INTENDED TO BE USED BY CHILDREN, PHYSICALLY

OR MENTALLY DISABLED PERSONS, PERSONS WITH SENSORY DISORDER,

PERSONS WITH NO APPROPRIATE QUALIFICATION.

ANY OPERATIONS WITH THE UNIT MUST BE PERFORMED ONLY BY

PROPERLY QUALIFIED PERSONNEL AFTER THE APPROPRIATE SAFETY

BRIEFING.

THE UNIT INSTALLATION SITES MUST PREVENT ACCESS BY UNATTENDED

CHILDREN.

VUT R EH EC

VUT R 400 EH EC, VUT R 700 EH EC, VUT R 900 EH EC

VUT R 1200 EH EC, VUT R 1500 EH EC

Type VUT R 400 EH EC VUT R 700 EH EC VUT R 900 EH EC VUT R 1200 EH EC VUT R 1500 EH EC

Ø D 159 249 249 314 314

A 1050 1210 1210 1335 1430

B 1095 1253 1253 1377 1473

C 1165 1330 1330 1450 1536

E 225 243 243 373 427

F 167 180 180 220 275

G 333 340 340 438 460

H 200 250 250 - -

I 670 700 700 880 1010

J 440 580 580 460 560

L 648 745 745 745 855

K----910

UNIT OVERALL DIMENSIONS [MM]

MAIN TECHNICAL PARAMETERS

The unit is designed for indoor application with the ambient temperature ranging from +1 °C up to +40 °C and relative humidity up

to 80%.

The unit is classied as a class I electric appliance.

Hazardous parts access and water ingress protection standard:

Unit motors – IP 44;

Unit assembly connected to air ducts – IP 22.

The unit design is regularly improved, so some models may slightly dier from those ones described in this manual.

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Type VUT R

400 EH EC VUT R

700 EH EC VUT R

900 EH EC VUT R

1200 EH EC VUT R

1500 EH EC

Unit supply voltage, 50 Hz [V] 1 ~ 230 1 ~ 230 3 ~ 380 3 ~ 380 3 ~ 380

Max. fan power [W] 2 items х 100 2 items х 105 2 items х 135 2 items х 208 2 items х 222

Electric heater power [kW] 2.0 3.3 4.5 6.0 9.0

Total unit power [W] 2290 3615 4940 6570 9750

Total unit current [A] 9.9 15.8 7.2 9.5 14.1

Max. air capacity [m3/h] 400 700 900 1200 1500

Rotation speed [min-1] up to 3100 up to 2600 up to 2600 up to 1930 up to 2000

Noise level, 3 m [dB(A)] 45 52 58 60 62

Max. transported air temperature [°C] from -25 up to +60

Casing material Zinc aluminium

Insulation 20 mm mineral wool 25 mm

mineral wool

Filter: extract G4

supply G4 (F7)

Connected air duct diameter [mm] Ø 160 Ø 250 Ø 250 Ø 315 Ø 315

Weight [kg] 112 128 130 165 175

Heat recovery eciency up to 85 %

Heat exchanger type Rotary

Heat exchanger material Aluminium

UNIT TECHNICAL DATA

VUT R EH EC

DESIGN AND OPERATING LOGIC

The unit has the following operating logic:

Warm stale extract air from the room ows through the air ducts to the unit, where it is ltered, then air ows through the rotary heat

exchanger and is exhausted outside by the extract fan through the air ducts.

Clean cold air from outside is moved by the supply fan to the unit, where from it is directed to the supply lter. Then ltered air ows

through the rotary heat exchanger and moves to the room through the air ducts.

Heat energy of warm extract air is transferred in the rotary heat exchanger to clean intake fresh air from outside and warms it up. Heat

recovery minimizes thermal energy losses, energy demand and operating costs for air heating accordingly.

SUPPLY AIR

EXTRACT AIR

INTAKE AIR

SUPPLY FILTER

ROTARY HEAT EXCHANGER

EXTRACT FILTER

CONTROL UNIT

EXTRACT FAN

ELECTRIC HEATER

SUPPLY FAN

EXHAUST AIR

The unit is a framework construction that includes a frame made of six rigidly xed 20 mm thick sandwich panels. The three-layer

sandwich panels are made of aluminium and galvanized sheets, internally lled with heat- and sound-insulated material.

The unit is equipped with quick-detachable service panels for repair and maintenance operations.

Route a power and a ground cable through the screwed cable glands to connect those to the terminal block located in the control

unit. The wiring diagram is shown on inner side of the control unit cover.

MOUNTING AND SETUP

While mounting the unit provide the minimum required access to the unit for maintenance and repair. The required minimum

distances from the unit to the wall is shown below.

To attain the best performance of the unit while mounting provide a straight 1 m duct section on both sides of the unit.

Access to the unit must be prevented by installing a protecting grille or any other device with the mesh width up to 12.5 mm.

Prior to starting the unit check the rotary heat exchanger cells are not soiled and not damaged. Check the belt tension. The tension

force is regulated by the spring on the motor suspension mount.

The unit is suspended to the mounting surface through the threaded rod xed inside the threaded dowel. The unit is also suitable

also for mounting to a horizontal mounting surface.

UNIT OPERATING LOGIC

VIEW ON SERVICE SIDE

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MINIMUM DISTANCES FOR ACCESSING TO THE UNIT

UNIT CEILING MOUNTING

UNIT FLOOR MOUNTING

60 mm

UNIT А

VUT R 400 EH EC 800 mm

VUT R 700 EH EC 900 mm

VUT R 900 EH EC 900 mm

VUT R 1200 EH EC 900 mm

VUT R 1500 EH EC 1000 mm

SERVICE SIDE

VUT R EH EC

Precautions:

The unit is designed for mounting on a rigid and stable structure considering the unit weight, Fig. 7.

Make sure that a mounting construction has sucient load capacity for the unit weight. Otherwise reinforce an installation place by

beams, etc. If a construction rigidity is not sucient enough it can resonate with the unit and generate abnormal noise and vibration.

Make sure that the ambient conditions match the unit operation requirements before starting any installation works.

If the threaded bolts used for the unit mounting are too short the unit can generate abnormal noise and resonate with the ceiling.

If the unit connection place to the spiral seam duct is supposed to be the source of the abnormal noise, install a exible air duct

instead of the exible one.

Unit xation

Install an anchor bolts M8 into the xation for

the ceiling suspension mount and x it with nuts and

washers. The unit xation example is shown in the

gure on the right.

UNIT FIXATION EXAMPLE

NUT

NUT AND LOCK-NUT

WASHER

VIBRATION-ABSORBING

RUBBER

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