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CTA ULTI+ CC+

Air handling AHU

Compliant with the ErP 2018 directive, the CTA ULTI+ CC+ consists of a single-flow air handling unit with condensing boiler(s) to adjust the performance of the machine to the environment.

This unit meets the needs of your renovation or new-build projects.

For floor installation, the CTA ULTI+ CC+ is supplied with support feet. The special feature of this AHU is that it can also be installed on a curb with air supply and return from below through the roof.

Contact your local sales representative

Description

The CTA ULTI+ CC+ is ETT’s new modular range of latest-generation AHUs. It combines quality materials, acoustic performance, energy savings, regulation and new-generation connected components, enabling the units to operate at optimum efficiency at all times.

Thanks to its full aluminium structure (frame & casing) that ensures an excellent corrosion protection, this air conditioning and heating system is covered by a 20-year guarantee against corrosion (frame and casing).

This AHU comes with a 1-year basic warranty and all ETT services: Commissioning, Audits, Service contracts etc.

Products top benefits

  • Air handling
  • AHU

Product options

Frame – Casing

  • Double aluminium skin on inner compartment
  • Painting
  • Vertical supply air (V)
  • Side supply air
  • End air supply
  • Side return air
  • Motorised external damper on supply air, except downwards (CH38 – 2006/42/EC Directive)

Acoustics

  • Acoustic insulation for fresh air cowl

Air handling

  • Operation with all recirculated air (excluding Public Access Buildings)
  • All fresh air operation
  • Actuating smoke detector with battery back-up
  • Epoxy coating on supply air fans
  • Filter Fouling Analogue Control (FFAC)
  • Analogue air flow controller (Level 3) with auto-adjustment of supply fans flow rate
  • Pressure gauge for supply air filters
  • ISO Coarse 65% (G4) refillable 98mm supply filters with analogue sensor
  • ISO ePM10 50% (M5) 98mm supply filters with analogue sensor
  • Supply air double filters ISO Coarse 65% (G4) + ISO ePM1 50% (F7) or ISO ePM1 80% (F9) (48 + 48mm) with analogue sensor
  • ISO ePM1 50% (F7) 98mm supply filters with analogue sensor
  • ISO ePM1 80% (F9) 98mm supply filters with analogue sensor
  • One set of spare filters
  • Fresh air cowl extension

Energy

  • Hot water coil with external power supply and analogue frost protection thermostat
  • Chilled water coil with external power supply and analogue frost protection thermostat
  • Water recovery coil with external power supply and analogue frost protection thermostat
  • Vinyl coating on heat exchangers
  • Modulating 3-way valve for hot and chilled water coils
  • Shut-off valve on the supply + TA control valve on the return for hot and chilled water coils
  • Electric heater auxiliary

Electrics

  • Totalising electrical energy metering
  • Aluminium/copper connection terminal blocks (aluminium mandatory for power cables)
  • 230V/16 A single-phase PC socket in the technical room (separate power supply to be provided by the installer)
  • IT earthing system compatibility
  • Cable cover for external power supply (to be fitted by the installer)

Installation

  • Aluminum curb connection adjustment
  • Aluminum connection adapter curb
  • Ventilated aluminium adjustment curb
  • Ventilated adapting aluminium curb
  • Aluminium feet 200, 400 or 600 mm high..

Control

  • Control function in Comfort mode (setpoint temperatures control by PID)
  • Free Cooling banning based on specific humidity comparison
  • Average room temperature (4 sensors)
  • Control of minimum fresh air by turret contact (max. 3)

Gas

  • Gas metering with connection (delivered disassembled – external installation on the unit is the responsibility of the installer)
  • 300-20 mbar gas expansion valve (may be different according to the types of gas), mounted
  • Condensing boilers used for preheating
  • Condensing boilers used as auxiliaries

Communication

  • myETTvision
  • ETT Control Box remote display
  • CCAD remote display
  • Modbus IP
  • BacNet IP