AC 2650-4200 & AC 2650-8500 VSD Cycling Refrigeration Dryers

Large cycling refrigeration dryers (including VSD solutions)

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Enjoy a stable dew point in of 3°C/37°F with this highly efficient compressed air dryer for changing air demands. Reduced lifecycle costs and faster payback thanks to reduced power consumption. A unique combination of high-efficiency components, smart unit design and an advanced control system enables you to achieve average energy savings of 50%

Reliable

Stable and guaranteed performance at all operating conditions, pressure dew point of 3°C/37°C thanks to direct expansion technology

Low lifecycle costs

Unique combination of high efficiency components, a smart design and an advanced controller save 50% of consumed energy on average

Flexible

Advanced control algorithm with three different control modes for economic operations (ambient temperature minus 20°C/68 F), best possible dew point or maximal savings (ambient temperature mins 15°C/59°F

Stable dew point at all operating conditions

AC 2650-8500 FS/VSD is Pneumatech’s premium refrigeration dryer range at higher flows: from 4500 up to 14400 m³/h (2650-8475 cfm). AC 2650-8500 (VSD) refrigerant dryers are engineered in house and tested using the most stringent methods (at ambient temperatures up to 46°C/115°F). They exceed the international standards for compressed air purity and are tested according to ISO 7183:2007.

New AC Range is the most efficient compressed air dryer for continuous and varying air demand applications. A combination of new innovative technologies integrated in the new AC 2650-8500 (VSD) dryers’ design makes them a perfect match for customers looking for reliable equipment with a low cost of ownership. The unique combination of high efficiency components, a smart unit design and an advanced unit control system gives an opportunity to save on average 50% of the consumed energy.

Significantly reduced power consumption and low quantities of refrigerant make sure the AC 2650-8500 (VSD) dryers operate at the lowest possible carbon footprint.

AC 2650 - 8500 pie chart

Green: Energy consumption by the dryer Blue: Energy consumption by the compressor due to pressure drop Dark grey: Investment Light grey: Installation and maintenance Light blue: Savings up to 50%

Technical specifications AC 2650 - 4200 fixed speed
Air Cooled						Water Cooled
Pneumatech Variants → Specifications →	Units	AC 2650	AC 3200	AC 3700	AC 4200	AC 2650	AC 3200	AC 3700	AC 4200
Flow (1)	l/s	1250	1500	1750	2000	1250	1500	1750	2000
Flow (1)	m3/hr	4500	5400	6300	7200	4500	5400	6300	7200
Power consumption	kW	680	89	105	122	53	58	64	870
Power consumption	hp	912	1194	1408	1636	711	778	858	1167
Pressure dropover dryer	mBar	180	180	150	190	180	160	150	190
Pressure dropover dryer	psi	26	26	22	28	26	23	22	28
Refrigerant type	kg	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A
Dimensions	L (mm)	1474	1474	1474	1474	1474	1474	1474	1474
	L (inch)	580	580	580	580	580	580	580	580
	W (mm)	1579	1579	1579	1579	1579	1579	1579	1579
	W (inch)	622	622	622	622	622	622	622	622
	H (mm)	2295	2295	2295	2295	1725	1725	1725	1725
	H (inch)	904	904	904	904	679	679	679	679
Inlet and Outlet Connections		DN150	DN150	DN150	DN150	DN150	DN150	DN150	DN150
Weight	kg	835	865	910	950	775	800	845	850
Weight	lbs	1841	1907	2006	2094	1709	1764	1863	1874

Technical specifications AC 2650 - 8500 VSD
Air Cooled									Water Cooled
Pneumatech Variants → Specifications →	Units	AC 2650 VSD	AC 3200 VSD	AC 3700 VSD	AC 4200 VSD	AC 5100 VSD	AC 6400 VSD	AC 8500 VSD	AC 2650 VSD	AC 3200 VSD	AC 3700 VSD	AC 4200 VSD	AC 5100 VSD	AC 6400 VSD	AC 8500 VSD
Flow (1)	l/s	1250	1500	1750	2000	2400	3000	4000	1250	1500	1750	2000	2400	3000	4000
Flow (1)	m3/hr	4500	5400	6300	7200	8640	10800	14400	4500	5400	6300	7200	8640	10800	14400
Power consumption	kW	5.50	7.4	8.4	8.8	6.4	12.8	18.7	4.4	5.1	6.1	6.7	5.5	10.6	14.5
Power consumption	hp	7.38	9.92	11.26	11.80	8.58	17.17	25.08	5.90	6.84	8.18	8.98	7.38	14.21	19.44
Pressure drop over dryer	mBar	180	180	150	190	270	190	190	180	180	150	190	270	190	190
Pressure drop over dryer	psi	2.6	2.6	2.2	2.8	3.9	2.8	2.8	2.6	2.6	2.2	2.8	3.9	2.8	2.8
Refrigerant type		R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A
Dimensions	L (mm)	1474	1474	1474	1474	1474	2502	2502	1474	1474	1474	1474	1474	2502	2502
	L(inch)	58.0	58.0	58.0	58.0	58.0	98.5	98.5	58.0	58.0	58.0	58.0	58.0	98.5	98.5
	W (mm)	1579	1579	1579	1579	1579	1579	1579	1579	1579	1579	1579	1579	1579	1579
	W (inch)	62.2	62.2	62.2	62.2	62.2	62.2	62.2	62.2	62.2	62.2	62.2	62.2	62.2	62.2
	H (mm)	2295	2295	2295	2295	2295	2295	2295	1725	1725	1725	1725	1725	1736	1736
	H (inch)	90.4	90.4	90.4	90.4	90.4	90.4	67.9	67.9	67.9	67.9	67.9	67.9	68.3	68.3
Inlet and Outlet Connections		DN150	DN150	DN150	DN150	DN150	DN200	DN200	DN150	DN150	DN150	DN150	DN150	DN200	DN200
Weight	kg	850	880	920	965	990	1690	1820	800	815	855	865	870	1410	1540
Weight	lbs	1874	1940	2028	2127	2183	3726	4012	1764	1797	1885	1907	1918	3109	3395

Pneumatech AC 350

AC 15-200 Cycling Refrigeration Dryers

Reliable refrigeration drying with the possibility of activating energy-saving features to save you money

AC 650-2100 VSD Cycling Dryers

Reliable refrigeration dryers with variable speed technology, which match energy consumption to actual compressed air demand

Pneumatech AC 15 - 600

AC 200-630 VSD Cycling Refrigeration Dryers

Significantly lowers energy consumption while consistently supplying top-quality air

AC 2650-4200 & AC 2650-8500 VSD Cycling Refrigeration Dryers

Enjoy a stable dew point in of 3°C with this highly efficient compressed air dryer for changing air demands. Reduced lifecycle costs and faster payback thanks to reduced power consumption. A unique combination of high-efficiency components, smart unit design and an advanced control system enables you to achieve average energy savings of 50%

See all Refrigeration Dryers