Vents VUT 300 E2V EC User manual

OPERATION MANUAL

VUT 300 E2V EC

Air supply and exhaust unit

with heat recovery

2VUT 300 E2V EC

Introduction

Purpose

Delivery Package

Designation key

Main Technical Data

Safety Requirements

Design and Operating Principle

Installation and Setup

Condensate Drainage

Connection to power mains

Unit control

Technical Maintenance

Fault Handling

Storage and Transportation Regulations

Manufacturer’s Warranty

Acceptance Certicate

Connection Certicate

Warranty Card

CONTENTS

INTRODUCTION

PURPOSE

DELIVERY PACKAGE

Unit - 1 item;

Operation Manual - 1 item;

Wall-Mounted Control Panel - 1 item;

Remote Control - 1 item;

Duct Temperature Sensor - 1 item;

Shipping Box - 1 item;

Fixture Kit - 1 item.

The present operation manual consisting of the technical details, operating instructions and

technical specication covers the installation of VUT 300 E2V EC heat-recycling air supply and exhaust

units of VENTS series (hereinafter the Unit).

The unit is heat-recycling device designed as an essential element of energy-saving systems in

buildings and structures. The unit is a component and is not designed for autonomous operation.

The unit is designed to arrange continuous air exchange by means of mechanical ventilation

in private residences, oces, hotels, cafes, conference rooms as well as recuperation of heat energy

contained in warm stale extract air to warm up the puried supply air.

The transported air must not contain any combustible or explosive mixtures, chemical fumes,

coarse dust, soot, fat or any environment, prolic for the formation of harmful substances (toxic

substances, dust and pathogens) as well as sticky substances and brous materials

The unit is not intended for operation by children or any persons with reduced

physical, mental or sensory capacities as well persons lacking the required training.

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

appropriate safety instructions.

Install the unit to be out of reach of children.

4VUT 300 E2V EC

DESIGNATION KEY

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

40 °C at relative humidity of up to 80%.

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 parameters are given on Figure 1 and in Table 1.

The units undergo continuous improvement - therefore, some models may slightly dier from the

ones described herein.

VUT 300 E 2 V ЕС

Motor Type

Electronically commutated

Spigot Arrangement

V - vertical

Air capacity, m³/h

Unit Type

VUT - heat recovery ventilation

Electric heater

Number of Heating Coils

MAIN TECHNICAL DATA

Fig. 1. Outside and Connecting Dimensions of the Unit

600

697

260

373

428

700

157

410 110180

123108

149

10 m cable

6VUT 300 E2V EC

Model VUT 300 E2V EC

Ventilation Mode Speed 1 Speed 2 Speed 3

Supply Voltage, V/50 Hz 1 ~ 230

Maximum Fan Power, W 30 74 212

Fan Current, A 0,3 0,6 1,4

Electric Heater Power, kW 2 Items x 2

Electric Heater Current, A 2 Items x 8.7

Total Unit Power, kW 4,22

Maximum Consumption Current of Unit, A 18,8

Maximum Air Flow, m3/h 80 160 300

Sound Pressure Level at 3m, dB(A) 10 19 37

Transported Air Temperature, °C from - 40 ° C to +60 ° C *

Casing Material Aluzinc

Insulation 20 mm mineral wool

Filter: Air Exhaust/Air Supply bag lter G4

Connected Air Duct Diameter, mm Ø 150

Weight, kg 38

Recuperating Eciency up to 85%

Heat Exchanger Type Counterow

Heat Exchanger Material Polystyrene

* — the transported air minimum temperature depends on the fan speed settings. See «Heat

Exchanger Freezing Protection» section on page 14.

Table 1 . Technical Parameters

Ambient Temperature from 0 °C to 40 °C

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

Cable Section from 0.18 mm2 to 0.35 mm2

Material ABS Plastic

Dimensions (WxHxD) 86x86x14 mm

Cable Length Up to 10 m

Ingress Protection Class IP30

Table 2 . Control Panel Specications

DESIGN AND OPERATING PRINCIPLE

The unit design and operating principle are shown on Fig. 2. The warm foul air from the premises

supplied to the device is puried in the exhaust lter, passed through the heat exchanger and then

extracted outside via the ducts by the exhaust fan. The cool fresh air from the outside enters the unit

through the air ducts and is stripped of impurities in the supply lter.

If the supply air temperature is below the threshold set on the control panel (-10 °C by factory

default) the incoming air is warmed up by a 2 kW electric pre-heater.

The air then passes through the heat exchanger and is delivered into the premises by the supply

fan. The heat exchanger ensures transfer of the heat energy extracted from the warm exhaust air to

the clean outdoor air therefore heating it up. The air streams do not mix in the process.

Heat recovery reduces heat energy losses and, consequently, the heating costs in the cold season.

The supply air can be additionally post-heated by the 2 kW electric heater built into the unit.

The unit design and operating logic are shown in Fig. 2.

The basic conguration includes:

1. Exhaust fan;

2. Supply Fan;

3. Counter-ow heat exchanger;

4. Exhaust air lter, class G4;

5. Supply air lter, class G4;

6. Condensate drip pan;

7. Condensate drain tubes;

8. Electric air pre-heater;

9. Electric air post-heater.

10. Supply air duct temperature sensor.

RESTRICTIONS:

• Do not operate the unit outside the permissible temperature range specied

in the Operation Manual or in areas with aggressive admixtures in the air

and in explosive environments.

• Do not connect drying machines or other similar high-power equipment to the

ventilation circuit.

• Do not use the unit for handling air-dust mixtures.

SAFETY REQUIREMENTS

Installation and operation of the unit shall be subject to the present Operation Manual and the all

appliable local building, re safety, technical and electric regulatory documents.

The unit must be properly earthed.

Prior to connecting the unit to the power mains check for visible damage as well as for any foreign

objects in the fan casing which may damage the impeller blades If necessary, contact the service centre.

ATTENTION!

Make sure to disconnect the unit from the power mains prior to any installation,

maintenance, connection and repair work.

8VUT 300 E2V EC

INSTALLATION AND SETUP

Fig. 2. Design and Operating Logic

Ensure convenient access for maintenance, servicing or replacement operations, required for the

unit installation.

The wall intended for unit installation must be smooth. Any surface irregularities will lead to unit

casing skew and may prevent the unit from operating properly.

To enable proper post-heating of the supply air install the duct temperature sensor in the air duct

(item 11 on Fig. 2) at the minimum distance of 1 m from the supply air spigot.

The supply air duct temperature sensor is installed as follows:

Drill a Ø 9 mm hole in the air duct;

Insert the sensor into the hole;

Secure the sensor ange with three self-tapping screws.

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

763

Exhaust air

Intake air

Extract air

Supply air

min 1m

Fig. 3. Unit Installation

The unit is mounted onto the wall using anchor bolts - see Fig. 3.

16*

Anchor bolt

The wall-mounted control panel is installed as follows:

Lift the clips through the access holes in the bottom of the wall-mounted control panel

(Fig. 4).

Remove the back cover.

Disconnect the panel from the

terminal block.

Lay the cable in the wall to the

panel installation site.

Secure the panel back cover to the

wall (Fig. 5).

Fasten the cable to the terminal

block. The wiring diagram is shown in Fig. 5.

Clip the wall-mounted panel fascia

in place.

Fig. 4. Back Cover Removal

10 VUT 300 E2V EC

CONDENSATE DRAINAGE

Fig. 6. Condensate Removal

min 3°

min 100 mm

min 50 mm

CONDENSATE

DRAIN TUBES

CONNECTION PIPES U-trap

SEWAGE COLLECTION

SYSTEM

min 3°

Fig. 5. Fixing Back Cover to the Wall

The condensate drip pan installed in the heat recovery section has pipes for extracting the

condensed uid outside the unit.

Connect the tube, the U-trap (not included in delivery package) and the sewage collection system

with metal or rubber pipes (Fig. 6). The pipe pitch must be at least 3°.

Fill up the system with water before connecting the unit to the power mains! During the operation

the U-trap must be always lled with water. Make sure that the water ows freely into the sewage

collection system or otherwise condensed water may build up in the unit during heat recovery, which

consequently, may cause equipment failure and water ingress into the premises.

+24V

data2/B

GND

data1/A XT1

222325 24

+24V

data2/B

GND

data1/A

XT4

262729 28

XT8

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