The unit in basic configuration is equipped with a condensate pump, and it is pre-arranged for the connection to an additional air outlet duct and/or to an external air intake. The air intake/outlet grilles are designed in order to avoid that people are directly invested by the air flow (thanks to the Coanda effect), by reaching the maximum levels of comfort.
MAIN STRUCTUREThe structure is made of 10/10 mm thick galvanised steel completely insulated inside with 10 mm closed cell thermal insulation material. On three of the four sides there is a prearranged 150 mm diameter hole for the connection to an air supply duct. Furthermore there is one prearranged 100 mm diameter hole for the connection to an external air intake. The relevant collars for an easy connection to the air ducts are always supplied as standard. The air plenum has special slots on the sides in order to permit access to the external air: the fresh air coming through the slots will perfectly mix with the internal air and pass through the heat exchanger before blowing into the room.CONDENSATE PUMPThe built-in condensate pump has a no-return valve on the outlet. The pump has a water discharge head of 850 mm from the bottom side of the cassette unit.WATER COILSThe water coils are made of copper pipes and aluminium fins, bent for 360°. 3 rows heat exchangers are surface treated (hydrophilic aluminium). Max operating pressure: 16 bar.Min/max water temperature: 5/85 °C.ELECTRIC PANELThe electric box (ESTQEC00) is made of galvanized steel containing a 12 poles terminal board with screws terminals and the grounding terminal. The electric panel is located on the side of the unit, same side of the water connections.FAN DECKThe fan deck, installed in a central position, is composed by a centrifugal fan motor and a plastic impeller. The EC "brushless" motor is combined to a dedicated electronic device (inverter). The motor is suitable for 50/60Hz operation. Power supply: 230V ±10%.AIR FILTERThe air filter consists of a black pre-varnished metal frame and a honeycomb polypropylene fibre filtering material, enclosed in two electro-welded galvanized steel nets (12x24 mm). The black coloured re-generable filter element is designed to reduce the pressure drop at minimum levels.AIR OUTLET GRILLESThe air outlet plenum is made of heat-resistant ABS V0 Anti UV plastic material, white colour RAL9003. The air outlet distribution is on the 4 sides of the unit.On each side of the plenum there are plastic flaps to close one or two air outlet sides.AIR INTAKE GRILLESThe air intake grill is made of heat-resistant ABS V0 Anti UV plastic material, white colour RAL9003. A dedicated internal insulation with closed cell insulating material excludes any risk of water condensation on the grilles.