BESS Air Cooler

External service access — install and maintain without opening the cabinet or touching PACK cables.

BESS Air Cooler

Key features

Simplifies internal air-duct design and cabinet framing, freeing up usable space inside.
Forced-air cooling, with none of the coolant replenishment a liquid system needs.
Installed and serviced from outside — no opening cabinet doors, no touching PACK cables.
Combo variants add passive heat exchange and dehumidification in the same opening.

Capacity: 2.0 – 7.5 kW
Supply: 230 / 380 VAC
Air flow: Up / down

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Models

11 models · catalogue page 11

P/N	Model	Capacity	Supply	Dimensions (mm)	Notes
73203P	AIYB-020-000-03P	2000 W	230 VAC	745×445×200	Down air flow
73204A	AIYB-030-020-04A	3000 W	230 VAC	1300×500×250	Up air flow
73205A	AIYB-050-030-05A	5000 W	230 VAC	1350×620×300	Up air flow
735060	AIVB-050-000-060	5000 W	380 VAC	1300×600×300	Down air flow
735140	AIVC-075-000-140	7500 W	380 VAC	1400×650×400	Down air flow
311131	CHZB-040-010-131	4000 W + 120 W/K + 1 L/24 h	48 VDC	1400×505×300	Combo system
311132	CHZB-040-010-132	4000 W + 120 W/K + 1 L/24 h	48 VDC	1400×505×300	Combo · CB · R513A
311133	CHZB-040-010-133	4000 W + 120 W/K + 1 L/24 h	48 VDC	1300×505×300	Combo · CB · R513A
312010	CHYK-030-000-010	3000 W + 120 W/K + 1 L/24 h	230 VAC	1150×485×300	Combo · R513A
511490	HCZA-070-000-490	70 W/K + 1 L/24 h	230 VAC	800×440×146	HEX + dehumidify
511491	HCZA-100-000-491	100 W/K + 1 L/24 h	230 VAC	800×440×146	HEX + dehumidify

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Heat load, ambient range, enclosure size, supply and corrosion class. That is enough for a model number, a drawing and a price.

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