
10 11
PLEASE NOTE!
• The connected ducts must be of the same diameter as the
unit’s outlet. Smaller ducts may reduce the performance of
the unit and, as result, the lifespan of the fans.
• All the joints in the ductwork that distribute air and with the
unit must be sealed with sealant or sealing tape.
YOU WILL NEED
• Sealing tape
6. INSTALLATION
Model DN
HRDA1-V015 125
HRDA1-V030 150
HRDA1-V050 200
Electric power cable
• The unit includes a 1.5 m electric power cable.
• Units class 015 and 030 include a standard Euro cable.
• 050 units have a cable connected directly to the unit.
TECHNICAL INFORMATION
• The electrical parameters can be found on the manufacturer's
labels inside and on the side of the unit.
Model
Serial number
U = power
F = frequency
N = speed of ventilation
Ph = number of phases
Av = air ow
I = total current
P = power
M = weight
IP = el. protection
Ver = version
ELECTRIC INSTALLATION AND WIRING
ATTENTION!
• The main power supply must be turned o before work-
ing on the internal parts of the unit.
• The electrical installation must be done pursuant to the
technical documentation and by a certied electrician.
The installation might be done by a professional with
qualications in electricity. The manual must observed,
together with the laws and regulations applicable in the
country.
• The wiring diagrams in the product have a higher priority
than those in manual. Before the installation, check that
the indication of the terminals corresponds to the wiring
connection diagram. In case of doubt, contact the suppli-
er and do not connect the unit under any circumstances.
• The unit must be connected to the main power source
with an isolated cable with a heat resistance in compli-
ance with the diameter and the applicable laws and regu-
lations of the country.
• Any altering or changes to the internal connections of the
unit are forbidden and may result in the loss of warranty.
• Only the use of original accessories guarantees the cor-
rect function of the unit.
All the unit's electrical circuits must be connected through an
earth leakage breaker according to the current model.
The unit must be connected in a way that it can be discon-
nected from the power supply with one piece.
Table of minimum sizes of breakers according to the model of
heat recovery unit.
Recommended breakers:
Breaker
HRDA1-V015
10A
HRDA1-V030
10A
HRDA1-V050
16A
Electric accessories
Connect the electric accessories of the unit to the connecting
terminal, as shown in the diagram and the indications of the
terminals.
COMFORT control: Automatically controlled unit
with external sensors
• CO room sensor
ADS-CO2-24 – CO2 sensor used in automatic mode to turn the
unit on or o depending on the level of CO2 in the air. Limit val-
ues must be set for the sensor.
• Relative humidity room sensor
CI-ADS-RH-24 – RH sensor used in automatic mode to turn the
unit on or o depending on the relative humidity in the air. Limit
values must be set for the sensor.
• Spacial set of CO a RH AQS MULTI sensors
VMC-02VJ04 – Central reception module for the wireless sensor
signal. The module can receive signals from up to twenty sen-
sors. The packaging includes a 230V supply cable.
VMS-02C05 – Wireless CO2 sensor. The packaging includes a
230V supply cable.
VMS-02HB04 – Wireless humidity room sensor Batteries in-
cluded (2xAA).
VMN-02LM04 – Wireless four-button control for various venti-
lation modes. Includes 1 CR2030 battery.
PLEASE NOTE!
• The accessories must be powered with their with their
own external supply.
• For details on the power supply, refer to the documenta-
tion of the given accessory.