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BALTIC

BALTIC

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The BALTIC is a compact terminal unit comprising the fan or fans, the heat exchangers, the air diffuser and the extractor grille. It is particularly suitable for air-conditioning offices in small or medium sized commercial buildings and is available in three sizes for offices from 12 m2 to 30 m2. They are designed to fit in modular false ceilings with 600 x 600 or 600 x 1200 panels.

The BALTIC has been carefully designed for exceptionally quiet operation to meet the strictest noise standards.

The BALTIC is designed to be installed in the room to be air-conditioned, close to the partition between the room and the corridor or close to the open space in the centre of a building to minimise the lengths of the connections for the water and electrical supplies and the condensation drainage.

The air diffuser meets a number of important criteria. Firstly, the air must be diffused correctly at all times, whether the system is heating or cooling. This is made possible by the special design of the diffuser nozzles whose form and dimensions create a Coandă effect with high induction of the ambient air in the room. This ensures that there is rapid mixing between the air from the terminal unit and the air in the room, eliminating “cold shower” effects and a build-up of hot air close to the ceiling. Secondly, the whole of the ceiling area can be swept by turning each of the nozzles in the right direction. Thirdly, the jet noise is minimised by the profile of the vanes in each nozzle.

Main characteristics

The BALTIC is 300mm high or 365mm with booster and is enclosed in a 0.8mm thick galvanised steel casing lined with 8mm thick polyurethane foam covered with fabric (Euroclass B).

The BALTIC has 4 suspension brackets as standard with elastic anti-vibration studs specially designed to support the weight of the unit.

The diffuser and extractor assembly is designed to fit on 600 x 600 or 600 x 1200 false ceiling rails and is made of 1mm thick sheet steel which has been surface treated and painted in RAL 9010.

The extractor grille, in the filter access trap, is oversized to minimise the pressure drop across the grille and thus reduce the noise from the fan.

The centrifugal fan has forward curved blades and a single or double volute. It has elastic mountings and is oversized to minimise the noise. There are 5 speeds to adjust the air flow to the minimum required to maintain the temperature set.

The BALTIC is available in all standard configurations: 2 pipe change-over, 2 pipe + electric heater, 4 pipe and 4 pipe + electric heater systems. The on / off water valves are controlled by an electronic regulator providing precise control for the room to be air-conditioned. The electric heaters used for a 2 pipe + electric heater system or 4 pipe + electric heater system are fitted as standard with a manual reset over-temperature switch and a thermal fuse.

Each terminal unit is supplied as standard with a terminal block and separate cover. This cover is over sized to accommodate all the components required for connection and electrical protection which are accessible without removing the unit casing as well as accommodating an electronic regulator which can be connected to a Building Management System and accessed at any time by the building manager to change the operating parameters.

As an option, the BALTIC can be fitted with a fresh air intake and regulator to provide the air change rate required.

A booster is available as an option to raise the height of the condensation drain if there is insufficient slope and using a pump to evacuate the condensation is not considered desirable.
 

Description

  1. Ideal for: rooms from 12 m2 to 30 m2
  2. Advantages: extremely quiet, the design
  3. Applications: air-conditioning offices in small or medium sized commercial buildings
  4. Installation:
  • modular false ceilings with 600 x 600 or 600 x 1200 panels
  • installed in the room to be air-conditioned, close to the partition between the room and the corridor or close to the open space in the centre of a building to minimise the lengths of the connections for the water and electrical supplies and the condensation drainage
  1. Plus points:
  • the special design of the diffuser nozzles creates a Coandă effect with high induction of the ambient air in the room (no “cold shower” effect)
  • the whole of the ceiling area can be swept by turning each of the nozzles in the right direction and the jet noise is minimised by the profile of the vanes in each nozzle
  • Each terminal unit is supplied as standard with a terminal block and separate cover. This cover is over sized to accommodate the optional electrical components required and provide access to the RCCB or fuse
  • Easy access to the filter through the extractor grille

 

Physical and electrical characteristics

  1. Dimensions: 300mm high or 365mm with booster, enclosed in a 0.8mm thick galvanised steel casing lined with 8mm thick polyurethane foam covered with fabric (Euroclass B).
  2. Components:
  • The extractor grille, in the filter access trap, is oversized to minimise the pressure drop across the grill and thus reduce the noise from the fan.
  • The multi-speed AC or low power consumption EC centrifugal fan with forward curved blades and a single or double volute on elastic mountings is oversized to minimise the noise. The speed can be selected to adjust the air flow to the minimum required to maintain the temperature set
  1. Options: the BALTIC terminal unit can be fitted with a linear air diffuser and extraction grille for aesthetic reasons. It can also be fitted with a fresh air intake and regulator to provide the air change rate required
  2. Models: three sizes 600, 900 or 1200, normal height 300mm or 365mm with booster; optionally with front diffuser for installing in a soffit. The diffuser is in sheet steel with a stoved epoxy polyurethane coating, RAL 9010 white
  3. Options: LON or BacNet control network, 2 or 3 way valves with servo-motor, 3 position motor or 0-10V motor. Air purification module above the diffuser. Class G4 dust filter. Other RAL colours

 

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