Unit components
High efficiency cooling
circuits for R-410A
Axial fan for low noise level
with option of electronic fans
Possibility of thermal and
acoustic insulation M0
Possibility of cooling recovery
needs for renewal of air (higher
EER and COP)
Assemblies with mixing box
and free-cooling management
Intelligent defrosting
of outdoor coils
Indoor air quality using different
combinations of gravimetric
and opacimetric filters
Comfort / heating options: electrical
heaters, hot water coil, gas burner...
Centrifugal fans or plug-fans
■■ Casing
-- Casing made of galvanised steel metal with polyester
paint, white colour RAL 7035. Thermal insulation 9 mm
thick, with fire classification M1.
-- Self-supporting frame and access panels to the electric
panel, compressors, fans, etc.
AIR TREATMENT
■■ Outdoor circuit
-- Axial 2-speed fans directly coupled to the motor.
Watertight motor class F, IP54 and internal thermal
protection. Dynamically balanced propellers and
outdoor protective grille.
-- Coil with copper pipes and aluminium fins.
■■ Indoor circuit
-- Centrifugal fans coupling by pulleys and belts. Electric
motor with tensioner, class F, IP55 and internal thermal
protection. One, two or three double-intake turbines,
with an impeller of front-curved blades. Greased
spherical bearings, with no maintenance required.
-- Reusable air filters, assembled on a frame.
-- Coil with copper pipes and aluminium fins.
-- Condensates drain pan.
-- Thermostatic expansion valves with external equalisation.
■■ Cooling circuit
-- Hermetic scroll-type compressors with sound
insulation, assembled over antivibration mounts.
Control of phase equilibrium and the direction of
rotation.
-- Crankcase heater.
-- Four-way cycle reversing valves (heat pump units).
-- Anti-acid dehydrating filters.
-- Cooling design based on 2-air volumes.
834
■■ Protections
-- High and low pressure pressostats.
-- Compressor discharge temperature control.
-- Non-return valve built into the compressor.
-- Main door switch.
-- Magnetothermic protection switches for the
compressor(s) power line and fan motor.
-- Automatic switch in the control circuit.
■■ Electric panel
-- Complete and fully wired electrical panel. Insulated
panel cover to prevent condensation. Protection IP55.
-- Forced ventilation of the electric panel.
-- Transformer