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 Certicate
Connection Certicate
Warranty Card
CONTENTS
3
3
3
4
4
7
7
8
10
11
12
19
22
23
23
24
24
24
3
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 specication 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, oces, hotels, cafes, conference rooms as well as recuperation of heat energy
contained in warm stale extract air to warm up the puried supply air.
The transported air must not contain any combustible or explosive mixtures, chemical fumes,
coarse dust, soot, fat or any environment, prolic 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 qualied 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 dier 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
5
Fig. 1. Outside and Connecting Dimensions of the Unit
600
697
14
59
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 Eciency up to 85%
Heat Exchanger Type Counterow
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 Specications
7
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 puried 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 conguration 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 specied
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.
12
763
5
8
4
9
Exhaust air
Intake air
Extract air
Supply air
10
min 1m
9
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 3°
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.
4
3
1
2
+24V
data2/B
GND
data1/A XT1
222325 24
+24V
data2/B
GND
data1/A
XT4
262729 28
XT8
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