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M109 Howitzer Aircon


12kW AIR CONDITIONING UNIT (ACU) FOR M109 HOWITZER

Ref no. M109ACU

Turret mounted modular air conditioning system (ACU) to supply 12kW cooling to ensure a cabin temperature of 22 – 25°C max in a 55°C ambient, provided the turret is thermally insulated.

The aircon is a single evaporator design with a single 330cc compressor belt driven on the APU engine. The ACU operates fully in conjunction with the APU and does not require main vehicle power. The APU/ACU system does not restrict the standard operational features of the vehicle in terms of firing and mobility.

The electrical connections, looms between the aircon, power units, electronic control panels and electrical control gear are designed and selected for operation in military environments, which include adverse temperatures, EMI/EMC as well as severe shock and vibration. The aircon and power unit are equipped with custom designed electronic controllers, capable of all control and safety functions. The controller activates subsystems as required to regulate the cabin temperature to the desired setting on the remote control panel (HMI). The system has a Bluetooth login interface for remote monitoring via a smartphone app and/or laptop.

Installation of the units requires minimal vehicle modifications. Modules are mounted on the outside on the rear of the turret in such a way that personnel actions and movement are unaffected.

UV-C filtration options can be offered for both cabin and aircon systems.

Specifications
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1

Modular

Fully Self contained with only Electrical Power Connection & Installation Interfaces.

2

Redundancy

Multiple compressors of circuits to ensure cooling or heating is sustained in case of partial system failure.

3

Adverse Conditions

Design & Built to still give 100% Performance in extreme ambients of -10°C to 55°C.

4

Special Filtration

Primary self cleaning cyclone filters to remove 95% + of dust, secondary media, HEPA as option, UVC as option.

5

Power Management

System can adapt and reduce capacity in accordance with power available.

6

Smart Control

On Board Intelligence and Data Logging. System safe running modes to eliminate immediate system shut down.

7

Rugged & Reliable

Solid construction for rough terrains and potential mechanical damage.

8

Easy and Quick Maintenance

Simple access doors, removable subsystem modules.

9

Mil.Std 810 & 461 Qualified

Design, Manufacturing and Qualification Conform to International Military Standards.
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