Air-cooled chiller with BLDC compressor and R454B for outdoor installation

CODE: MHA

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COOLtec Systems Klima Kälte GmbH

COOLtec – Ihr Partner für maßgeschneiderte Klimatechnik Die COOLtec Systems Klima...

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Chiller COOLtec HiRef MHA series in a soundproof version with scroll refrigerant compressor with modulating output control, axial fans and electronic expansion valve, air-cooled in a compact design for outdoor installation. State-of-the-art and compact design, manufactured according to the quality standard ISO 9001 ff. And the latest technology. The technical and optical requirements for modern and energy-optimized systems for heating and cooling are met in all respects. Due to the requirements for sound emissions at the point of use, only devices with normal sound emissions are used. The low sound pressure levels are achieved through the use of large condenser areas in connection with slow-running axial fans and specially encapsulated compressor units.

A state-of-the-art BLDC (brushless-direct-current technology) scroll compressor is used to continuously adjust the performance of the chillers.

Power range: 54-430 kW

Advantages:
- Modern design
- Compact dimensions
- Large variety of variants

Refrigerant:
- R454B

Compressor:
- Scroll compressor

Standard features:
- Latest design hermetic scroll compressors
- AISI 316 brazed stainless steel plate heat exchanger
- Multi-scroll technology for high efficiency behavior in partial load (ESEER)
- Electronic expansion valve
- Electrical panel with main switch
- Filter dryer with interchangeable insert and check valve
- sight glass
- Safety devices according to PED 97/23
- phase monitoring relay

Versions:
C - chiller
F - Free cooling chiller
H - chiller and reversible heat pump
W - heat pump

Versions:
S - standard
L - Low Noise - quiet operation
Q-Quiet - extremely quiet operation

R454B
The entire system is designed for the environmentally friendly and modern refrigerant R454B (A2L) with a GWP of 466. The GWP reduction is 78% compared to R410A. Due to the low GWP, the F-Gas Regulation 517/2014 is fully met with regard to a strong restriction of the quantities of HFC refrigerants put into circulation, refrigerants with a GWP of> 500 are not equivalent and are not permitted. The refrigerant R454B is classified in class A2L (flame-retardant), necessary fire protection measures must be taken on site.

VDE
The chiller is designed in accordance with the relevant VDE guidelines.