General Instructions; Application Area; Electrical Installation - Frico AREC4000 Serie Instructions D'origine

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General Instructions

Read these instructions carefully prior to
installation and use. Keep this manual for
future reference.
The product may only be used as set out in
the assembly and operating instructions. The
guarantee is only valid should the product be used
in the manner intended and in accordance with
the instructions.

Application area

AREC4000 is an air curtain for recessed
mounting. The air curtain is available without
heat, with electrical heating and with water
heating. Recommended installation height up
to: 4 meters/13.1 feet.
Protection class: IP20.
Operation
Air is drawn in from underneath and blown
downwards shielding the door opening and
minimizing heat loss. To achieve the optimum
curtain effect the unit must extend the full
width of the opening.
The grille for directing the outlet air is
adjustable and is normally angled outwards to
achieve the best protection against incoming
air.
The efficiency of the air curtain depends on
the air temperature, the pressure differencial
across the doorway and any wind load.
NOTE! Negative pressure in the building
considerably reduces the efficiency of the air
curtain. The ventilation should therefore be
balanced.
Mounting
The air curtain is installed horizontally with
the outlet air grille facing downwards as close
to the door as possible, concealed in the false
ceiling. The only visible part of the unit is the
underside which is level with the ceiling. The
service hatch must be accessible, nothing
should prevent it being fully opened.
The unit is ready for suspension with
threaded bars on its outside. The threaded bars
can also be fixed on the inside of the unit e.g.
when mounted on a solid suspended ceiling.
For the protection of wider doorways, several
units can be mounted in series alongside each
other. Minimum distance from outlet to floor
for electrically heated units is 1800 mm/70.9 in.
22
AREC4000
Installation and operating instructions
Mounting on threaded bars outside the unit
1. The mounting brackets are fixed to the unit
during transport. Loosen these, turn them
around and screw into place on the unit
according to fig. 1a.
2. Hang on threaded bars (M8) according to fig.
1b (accessory).
3. Adjust the height using the lower nut so that
the frame is level with the ceiling. Lock using
the upper nut.
Mounting on threaded bars inside the unit
1. Hang on threaded bars (M8) according to fig.
2 (accessory).
2. Adjust the height using the lower nut so that
the frame is level with the ceiling. Lock using
the upper nut.

Electrical installation

The installation, which should be preceded by
an isolator switch with a contact separation of
at least 3 mm/0.12 in, should only be wired by
a competent electrician and in accordance with
the latest edition of IEE wiring regulations.
The control system is pre-installed in the air
curtain with an integrated control card. SIRe
is supplied pre-programmed with quick-fit
connections. Modular cables are connected to
the control board. Fig. 4 . See manual for SIRe.
1. The service hatch is opened by loosening the
snap fixings located on the bottom of the unit
(turn 90°). Fig. 3 .
2. The unit is connected via the cable gland on
one side of the unit or its top.
Unit without heating or with water heating
Connected via the built-in SIRe control board
with cord without plug (in the terminal box at
delivery).