Vents VUT 300 EVK mini EC Bedienungsanleitung

USER MANUAL

VUT 300 EVK mini EC

VUT 300 EV mini EC

VUT 301 EVK mini EC

VUT 301 EV mini EC

Air handling unit

with heat recovery

2VUT 300 (301) EV(K) mini EC

Introduction

Use

Delivery set

Structural designation key

Technical data

Safety requirements

Structure and operating logic

Mounting and set-up

Condensate drainage

Connection to power mains

Unit control

Maintenance

Fault handling

Storage and transportation rules

Manufacturer’s warranty

Acceptance certicate

Electrical connection certicate

Warranty card

CONTENTS

VUT 300 (301) EV(K) mini EC

INTRODUCTION

USE

DELIVERY SET

Unit - 1 item;

User’s manual - 1 item;

Remote controller - 1 item;

Shipping box - 1 item;

Fastener kit - 1 item.

The present user manual consisting of technical details, operating instructions and technical

specication covers the installation of the VUT 300 (301) EV (K) mini EC air handling unit with heat

recovery, VENTS series (hereinafter the unit).

The unit is designed to ensure continuous mechanical air exchange in houses, oces, hotels,

cafés, 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 ltered stream of supply air.

The unit is not intended for organizing ventilation in swimming pools, saunas, greenhouses,

summer gardens, and other spaces with high humidity.

Due to the ability to save heating energy by means of energy recovery, the unit is an important

element of energy-ecient premises.

The unit is a component part and is not designed for stand-alone operation.

It is rated for continuous operation.

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).

Relative humidity of transported air must not exceed 80 % at an ambient temperature of +20 °C.

The unit is not designed to be used by children, physically or mentally disabled

persons, persons with sensory disorder or with no appropriate experience or expertise.

The unit must be handled only by properly qualied personnel after the

appropriate safety brieng.

Install the unit to be out of reach of children.

Warning!

The unit is not allowed for operation without properly installed fat lters or with

the clogged fat lters because ingress of oil and sticky substances may damage the

unit.

4VUT 300 (301) EV(K) mini EC

The unit is designed for operation in an enclosed area at ambient temperatures from +1 ºC to +

40 ºC at relative humidity of up to 80%.

In order to prevent condensation on the internal walls of the units, it is necessary that the surface

temperature of the casing is 2-3 °C higher than the dew point temperature of the transported air.

The unit must be grounded!

Hazardous parts access and water ingress protection standard:

Unit motors - IP 44;

Unit assembly connected to air ducts - IP 22.

The unit series designations, their main outside and connecting dimensions, appearance and

technical data are given in gures 1, 2 and in Tables 1 and 2.

The unit design is regularly being improved, so some models can slightly dier from those ones

described in this manual.

VUT 300 EVK mini EC

Motor type

electronically commutated

Spigot orientation

V - vertical

Air capacity, m³/h

300 - unit with an integrated control panel;

301 - unit with a remote control panel.

Unit type

VUT - heat recovery ventilation

Electric heater

Modication

K - kitchen hood

TECHNICAL DATA

STRUCTURAL DESIGNATION KEY

VUT 300 (301) EV(K) mini EC

Fig. 1. Overall and connecting dimensions of the Unit with kitchen hood

Fig. 2. Overall and connecting dimensions of the unit without kitchen hood

The unit VUT 300 EVK mini EC with a built-in control panel;

The unit VUT 301 EVK mini EC with a remote control panel.

840

659

remote control panel xed on 10 m cable

for the units VUT 301 EVK mini EC

627

350

380

132 380

521

85160

The unit VUT 300 EV mini EC with a built-in control panel;

The unit VUT 301 EV mini EC with a remote control panel.

659

627

595

350

380

132 380

85160

370

remote control panel xed on 10 m cable

or the units VUT 301 EV mini EC

6VUT 300 (301) EV(K) mini EC

SAFETY REQUIREMENTS

While operating and mounting the unit consider the requirements of the present operation manual

as well as general requirements of all applicable local and national building and electrical codes and

standards.

The unit must be grounded!

Model VUT 300 (301) EV(K) mini EC

Unit voltage [V] 230 / 50 Hz

Max. fan power [W] 187

Fan current [A] 1,1

Electric heater power [kW] 1,5

Electric heater current [A] 6,5

Total unit power [kW] 1,69

Max. unit current [A] 7,6

Max. air capacity [m3/h] 270

Noise level, 3 m [dB(A)] 42

Max. transporting air temperature [°C] from -25 °C up to +40 °C

Casing material polymer coated steel

Insulation 15 mm ( foiled polypropylene foam)

Filter: extract/supply G4 / G4

Connected duct diameter [mm] Ø125

Weight [kg] 38/37

Heat recovery eciency up to 95%

Heat exchanger type counter-ow

Heat exchanger material polystyrene

* - only for the unit VUT 300 (301) EV mini EC

without kitchen hood

Table. 1. Technical parameters of the unit

Ambient Temperature [0C] from 0 to 40

Relative Humidity [%] from 5 to 90 (without condensation)

Cable Section [mm2] from 0.18 to 0.35

Material ABS Plastic

Dimensions (WxHxD) [mm] 86x86x14

Cable Length [m] Up to 10

Protection Class IP30

Table 2 . Control Panel Specications

VUT 300 (301) EV(K) mini EC

STRUCTURE AND OPERATING LOGIC

Do not!

• Do not operate the unit beyond the specied temperature range or in an aggressive

and explosive medium!

• Do not connect clothes dryers or similar equipment to the ventilation system!

• Do not operate the unit in the air and dust mixture medium!

The unit operating principle is as follows (g. 3).

Warm stale air from the premises extracted by the unit is puried in the extract lter, then it passes

through the heat exchanger and then is exhausted outside through the ducts by the exhaust fan.

Clean cold intake air supplied to the unit is puried in the supply lter.

The air passes through the heat exchanger and then fed into the premises by the supply fan.

Thermal energy of warm extract air is transferred to clean intake fresh air from outside and warms

it up. The air ows are fully separated.

Heat recovery minimizes thermal energy losses, energy demand and operating costs for heating

during winter time.

The unit is equipped with an electric heater to enable supply air warming up to +30 °C.

Before connecting the unit to power mains make sure that the unit is free of any visible damages or

any other foreign objects inside the casing that can damage the impeller blades.

All the wireworks with the unit are allowed by a professional electrician, duly authorized for electric

operations.

Warning!

Disconnect the unit from power supply prior to any mounting, servicing, connection

or repair operations with the unit.

8VUT 300 (301) EV(K) mini EC

MOUNTING AND SET-UP

Mount the unit to provide enough access for maintenance or repair operations, g. 4.

The wall for mounting must have even surface.

Any surface irregularities will lead to unit casing skew and may prevent the unit from operating

properly.

For the unit fastening use the fasteners recommended by the manufacturer for the specied wall

type.

To ensure proper supply air pre-heating install the duct temperature sensor (g. 3) at the

minimum distance of 1 m from the supply spigot.

The supply air duct temperature sensor is installed as follows:

Drill a Ø 9 mm hole in the duct;

Install the sensor into the hole;

Fasten the sensor ange with three self-tapping screws.

It is recommended that the sensor and air duct joint is hermetically sealed.

Fig. 3. Design and operating logic

SUPPLY FAN

COUNTER-FLOW HEAT EXCHANGER

EXHAUST FAN

DRAIN PAN

SUPPLY FILTER

FILTRATION CLASS G4

BUILT-IN CONTROL UNIT

TEMPERATURE SENSOR FOR HEAT

EXCHANGER FREEZING PROTECTION

EXTRACT FILTER

FILTRATION CLASS G4

ELECTRIC HEATER

BYPASS (AIR BYPASSING FROM

KITCHEN HOOD)

KITCHEN HOOD

min 1 m

SUPPLY AIR TEMPERATURE

SENSOR

EXTRACT AIR

INTAKE AIR

EXHAUST AIR

SUPPLY AIR

VUT 300 (301) EV(K) mini EC

Fig. 4. Unit mounting

Anchor

Mounting sequence of the wall-mounted control panel:

Use a screwdriver to lift the latches through the technological openings in the upper part

of the wall-mounted control panel, g. 5.

Take o the back cover.

Disconnect the cable from the terminal

block.

Route the cable to the panel installation

site.

Fix the panel back cover to the wall, g. 6.

Connect the cable to the terminal block.

Put the panel on the latches and press to

click.

Fig. 5. Taking o the back panel.

10 VUT 300 (301) EV(K) mini EC

CONDENSATE DRAINAGE

Fig. 7. Condensate drainage

min 100 mm

min 50 mm

DRAIN PIPE

CONNECTING PIPE

U-TRAP

SEWAGE SYSTEM

min 3°

CONNECTING PIPE

Fig. 6. Mounting of the panel back cover to the wall

The condensate drain pan located in the heat recovery section is equipped with a drain pipe to

remove condensate from the unit. Connect a U-trap to the drain pipe.The U-trap and the drain pan must

be thermally insulated.

The U-trap height, g. 7, depends on the pressure inside and outside of the section and must be not

less than H=100 mm, h=50 mm.

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