Acoustic hood for a Mitsubishi PUHZ-W112YAA heat pump

The Mitsubishi Air Sourec heat pump series SHW112YAA has the following dimensions: 1,050 x 480 x 1,020 mm (W x D x H).

The system on the image was set up at our test site prior to shipment to the customer. The system has an axial fan with a maximum air flow rate of 4,800 m3/h. sound hood concept The basic structure of the acoustic hood is an aluminum plug-in profile frame, the service doors around the system and in the roof are integrated into this profile frame.

The service doors are based on aluminum panels with a thickness of 1.5 mm with internal 40 mm thick insulation made of Stratocell® Whisper, the material has one of the best sound-absorbing properties available on the market. Because the laminated polyethylene foam absorbs sound and does not reflect it, it is an excellent alternative to many noise control materials used today.

The insulation is also moisture-resistant, does not build up mold, can be rinsed off with a high-pressure cleaner and corresponds to the fire protection class: B-S2-d0 (hardly inflammable).

The base frame of the acoustic hood has the following dimensions: 1,700 x 1,100 x 1,400 mm (L x W x H) with a weight of 90 kg.

The entry of the supply air at the rear can be on the right or left. The air outlet is mirrored traffic on the side in front. The acoustic hood is designed for an air flow rate of 5,100 m3/h.
 
The average air outlet speed is 1.7 m/sec. so that we hardly transmit any sound. Details acoustic hood
 
Noise reduction
The all-round noise reduction across the frequency spectrum from 63 to 8,000 Hz is between 19 and 21 dB(A).

Adaptation to the environment
The acoustic hood is made entirely of aluminum and produced in the RAL color of your choice.

External dimensions:
1'100 x 420 x 1'200 mm (L x W x H)

Maximum air volume Heat pumps
Heat Pumps: 4'200 m3/h
Air Conditioning: 3'500 m3/h
VRF/VRV systems: 3'500 m3/h

Pressure loss through the sound hood
about 18 pascals RAL

Color
Manufactured in Black

Material
Completely made of aluminum isolation 40 mm thick, the insulation is flame retardant and corresponds to fire class EN 13501-1 B-s2-d0 DIN4102: B1