Vents VUT EH EC Series Manuale utente
USER'S MANUAL
VUT EH ECVUT EH EC
2
CONTENT
VUT EH ECVUT EH EC
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Introduction
Purpose
Delivery set
Designation key
Parameters and dimensions
Technical data
Safety requirements
Design and functioning
Mounting and set-up
Unit connection and control
Condensate drainage
Wiring diagram
Control panel connection
Unit activation/deactivation
Control
Control panel operation
Unit programming with the external control panel
Error status
Maintenance
Troubleshooting
Storage and transportation rules
Manufacturer's warranty and acceptance certificate
Seller information
Connection certificate
Warranty card
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5
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PURPOSE
DELIVERY
SET
The user's manual consisting of the technical details, operating instructions and technical
specification applies to the installation and mounting of the heat recovery air handling unit
VENTS VUT EH EC, hereinafter " the unit".
Due to the ability to save heating energy by means of energy recovery the unit is an important
element of energy-efficient premises.
The unit is a component part and is not designed for independent operation.
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 supply air.
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).
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.
The delivery set includes:
Heat recovery air handling unit - 1 item.
Remote mounted control panel - 1 item.
(10 m connecting cable)
User's manual - 1 item.
Packing box - 1 item.
INTRODUCTION
WARNING
!
3
VUT EH ECVUT EH EC
Designation example:
Ventilation unit with heat recovery and air capacity 300 m3/h, horizontally directed 160 mm
spigots, equipped with an electric heater and EC motors:
VENTS VUT 300-2 EH EC.
DESIGNATION
KEY
BASIC
PARAMETERS
AND DIMENSIONS
The basic unit dimensions are stated in Table 1 and in Fig. 1.
The basic unit parameters and characteristics are stated in the Tables 1.1 and 1.2.
VUT XXX X E H EC
Motor type:
EC: electronically commutated motor
Spigot direction:
H: horizontal
Heater type:
E: electric heater
Spigot diameter [mm]
1 - 150, 2 - 160, _ - 200
Air capacity [m3/h]:
300, 400, 600
Unit type
VUT: ventilation with heat recovery
4VUT EH ECVUT EH EC
5
Table 1.
Fig. 1
Dimensions [mm]
ØDBB1 B3 H H2 H3 L L1 L2
149 500 403 161 249 555 127 231 1092 1137 1198
159 500 403 161 249 555 127 231 1092 1137 1198
199 500 403 161 249 555 127 231 1092 1137 1198
199 500 403 161 249 555 127 231 1092 1137 1198
L2
L
L1 B1
H3 H2
H
B3
B2
B
ØD
B2
Model
VUT 300-1 EH EC
VUT 300-2 EH EC
VUT 400 EH EC
VUT 600 EH EC
VUT EH ECVUT EH EC
1~ 230
2 items x 70
3,0
13,0
Table 1.1.
6
TECHNICAL
DATA
150 160
3,14
14,2
300
1380
24-45
from- 25 up to +60
Aluzinc
25 mm, mineral wool
G4
max. 90%
counter-flow
polystyrene
38
The unit is rated for indoor application with the ambient temperatures from +1°C up to +40°C
and relative humidity of up to 80%.
Hazardous parts access and water ingress protection ratings:
Unit motors - IP 44;
Unit assembly connected to air ducts - IP 22.
300-2VUT EH EC300-1
F7 (Eu 7)
VUT EH EC
2 items x 0,60
VUT EH ECVUT EH EC
Unit supply voltage, 50/60 Hz [V]
Max. fan power [W]
Fan current [A]
Electric heater power [kW]
Electric heater current [A]
Total unit power [kW]
Total unit current [A]
Max. air capacity [m3/h]
PRM [min-1]
Sound pressure level at 3 m distance [dB(A)]
Transported air temperature [°C]
Casing material
Insulation
Extract filter
Supply filter
Connected air duct diameter [mm]
Weight [kg]
Heat recovery efficiency
Heat exchanger type
Heat exchanger material
7
Table 1.2.
4,0
1~230
17,4
1340 2150
28-47
G4
F7 (Eu7)
200
38
400 600
20,0
400 600
4,35
VUT EH ECVUT EH EC
VUT EH ECVUT EH EC
Unit supply voltage, 50/60 Hz [V]
Max. fan power [W]
Fan current [A]
Electric heater power [kW]
Electric heater current [A]
Total unit power [kW]
Total unit current [A]
Max. air capacity [m3/h]
PRM [min-1]
Sound pressure level at 3 m distance [dB(A)]
Transported air temperature [°C]
Casing material
Insulation
Extract filter
Supply filter
Connected air duct diameter [mm]
Weight [kg]
Heat recovery efficiency
Heat exchanger type
Heat exchanger material
2 items x 175
2 items x 1,3
from- 25 up to +60
Aluzinc
25 mm, mineral wool
max. 90%
counter-flow
polystyrene
8
Read the user's manual carefully prior to installing and operating the heat recovery
air handling unit, hereinafter referred as 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.
Disconnect the unit from power mains prior to any installation, servicing, electric connection
or repair operations.
Do not operate the unit in the air and dust mixture medium!
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 connect a clothes dryer or other similar equipment to the ventilation system.
SAFETY
REQUIREMENTS
!
!
RESTRICTIONS!RESTRICTIONS!
RESTRICTIONS!RESTRICTIONS!
VUT EH ECVUT EH EC
WARNING
WARNING
9
UNIT DESIGN
AND OPERATING
LOGIC
The unit operates as follows:
Warm stale extract air from the room flows to the unit, where it is filtered, then air flows
through the heat exchanger and is exhausted outside by the extract fan.
Clean cold air from outside is moved by the supply filter.
Then filtered air flows through the heat exchanger and is moved to the room with the
supply fan.
Heat energy of warm extract air is transferred to clean intake fresh air from outside and
warms it up.
The air flows remain fully separated within the heat exchanger.
Heat and energy recovery minimizes heat losses and ensure humidity balance, thus reducing
expenses for heating in the cold seasons and air conditioning in the warm season.
The unit is a frame structure consisting of six 25 mm thick rigidly fixed aluzinc sandwich panels,
internally filled with mineral wool for sound insulation.
The unit components: the quick detachable specially sealed service panels 14 provide
maintenance access; the side casing panels 13 with a terminal box 15 fixed to the outer
surface of one them.
The terminal box incorporates a terminal block (not shown in Fig. 2) with the wires routed
from the circuit control board.
The sealed cable gland is used for routing of power and ground cables from the unit and
connection to the terminal block.
The wiring diagram for connection of the air handling unit is shown on inner side
of the terminal box lid.
VUT EH ECVUT EH EC
10
The basic unit complete set includes:
- remote-mounted control panel 9 that is connected via the data cable 12 to the integrated
control system in the unit;
- a supply 1 and an extract 2 centrifugal single-intake fans with backward curved blades and
maintenance-free external rotor motors with built-in overheating protection.
- plate counter-flow heat exchanger. It may be temporary replaced with a summer block
for a season requiring no heat recovery.
- one electric air heater. Two integrated thermal switches, one of safety type with response
temperature +50 °C and automatic reset and another of emergency type with response
temperature +90 °C and manual reset.
- supply filter 4 with filter class G4 or F7 and extract filter 5 with filter class G4.
The supply filter prevent ingress of contaminants from the outdoor air to the room and
prevent the unit components from contamination.
The extract air filters protect the unit components from contamination.
The filter replacement warning is shown by the lamp indicator on the control panel.
The filter replacement periodicity is set from 10 up to 99 days on the control panel.
During heat recovery condensate may be generated.
Condensate is collected in the drain pan 11 and flows outside via the drain pipe 6.
VUT EH ECVUT EH EC
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