2 Specific installer safety instructions
Installation and operation manual
4
VAM350~2000J8VEB
Heat reclaim ventilation unit
4P664011-1 – 2021.08
General
Unit installation (see
10])
WARNING
The appliance shall be stored in a room without
continuously operating ignition sources (example: open
flames, an operating gas appliance or an operating electric
heater).
CAUTION
Appliance NOT accessible to the general public, install it in
a secured area, protected from easy access.
This unit is suitable for installation in a commercial and
light industrial environment.
WARNING
When connected to an EKVDX, the height of the air
extraction opening from the room MUST be be equal or
below the refrigerant release point.
CAUTION
▪ The appliance is designed to be a built-in appliance. It
may NOT be accessible to the general public.
Adequate measures have to be taken to prevent
access by other than qualified persons.
▪ Check if the installation location can support the unit's
weight. Poor installation is hazardous. It can also cause
vibrations or unusual operating noise.
▪ Provide sufficient service space and inspection holes.
Inspection holes are needed for the air filters, the heat
exchange elements and the fans.
▪ Do NOT install the unit so that it is in contact with a
ceiling or wall, this may cause vibration.
CAUTION
▪ For safety reasons, the required minimum length of the
outdoor air, exhaust air and return air ducting is 1.5 m.
If the ducting is shorter, or if no ducting is installed,
then you MUST install grilles in the duct openings or
the openings of the unit.
▪ Make sure no wind can blow in the ducting.
WARNING
Do NOT install operating ignition sources (example: open
flames, an operating gas appliance or an operating electric
heater) in the duct work.
Electrical installation (see
13])
WARNING
▪ All wiring MUST be performed by an authorised
electrician and MUST comply with the applicable
legislation.
▪ Make electrical connections to the fixed wiring.
▪ All components procured on-site and all electrical
construction MUST comply with the applicable
legislation.
WARNING
▪ After finishing the electrical work, confirm that each
electrical component and terminal inside the electrical
components box is connected securely.
▪ Make sure all covers are closed before starting up the
unit.
WARNING
If NOT factory installed, a main switch or other means for
disconnection, having a contact separation in all poles
providing full disconnection under overvoltage category III
condition, MUST be installed in the fixed wiring.
WARNING
▪ ONLY use copper wires.
▪ Make sure the field wiring complies with the applicable
legislation.
▪ All field wiring MUST be performed in accordance with
the wiring diagram supplied with the product.
▪ NEVER squeeze bundled cables and make sure they
do NOT come into contact with the piping and sharp
edges. Make sure no external pressure is applied to the
terminal connections.
▪ Make sure to install earth wiring. Do NOT earth the unit
to a utility pipe, surge absorber, or telephone earth.
Incomplete earthing may cause electrical shock.
▪ Make sure to install the required fuses or circuit
breakers.
▪ Make sure to install an earth leakage protector. Failure
to do so may cause electrical shock or fire.
CAUTION
Before opening the cover, be sure to turn off the power
switches of the main units and other devices connected to
the main units.
▪ Remove the screws that secure the cover and open the
switch box.
▪ Secure the power supply cable and the control wire
with a tie wrap, as shown in the figures.
WARNING
If a gap is present at the cable entry, wrap the cable (or
cables) with the sealing material from the accessory bag.
This will prevent small objects (such as children's
fingers, ... etc.) as well as fluid droplets from entering the
unit.
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WARNING
Prevent hazards due to inadvertent resetting of the thermal
cut-out: power to this appliance MUST NOT be supplied
through an external switching device, such as a timer, or
connected to a circuit that is regularly turned ON and OFF
by the utility.
