Unparalleled part-load and seasonal efficiency
Danfoss VZH, VSH, and VRJ inverter scroll compressors for commercial air conditioning deliver the highest possible cooling capacity using variable-speed technology. These compressors provide step-less modulation and are qualified and pre-equipped for tandem configurations.
Variable-speed technology offered in Danfoss inverter scroll compressors, with its high part-load and seasonal efficiencies, is one of the best ways to address the challenges posed by ever-changing energy regulations. Inverter scroll compressors also offer precise cooling and humidity management, low start-up current, and more.
Features and benefits
Capacity modulation adapts motor speed to vary load continuously, quickly, and smoothly for great comfort and reliability
Accurate temperature control, low starting current, high energy efficiency, and low acoustic level with variable-speed technology
Short-cycling is limited by user-defined minimum run times.
Lead-free polymer bearing with excellent performance under diverse loads and speeds
Permanent magnet motor maintains efficiency at all speeds
Driver-managed motor protection
Range: 4–52 TR (including hybrid tandem); 15–184 kW
Patents
- Oil injection system
Inverter technology in A/C systems
Watch an introduction to variable speed technology that enables sustainable air conditioning.
Product range
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Danfoss' VSH inverter scroll compressor is a first-generation offering with variable-speed technology for commercial applications in air conditioning and process cooling.
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VRJ—Danfoss' first high-tier residential inverter scroll compressor with frequency converter.Â
Documents
| Type | Name | Language | Valid for | Updated | Download | File type |
|---|---|---|---|---|---|---|
| Catalog | 2021 Danfoss Scroll Manifolding Portfolio Catalog | English | Multiple | 09 Mar, 2021 | 3.9 MB | |
| Brochure | Brochure Danfoss Inverter Scrolls VZH series - EN | English | Multiple | 21 Aug, 2020 | 1.4 MB | |
| Installation guide | Danfoss commercial compressor Crankcase Heater | English; French; Italian | Multiple | 03 Jan, 2023 | 471.2 KB | |
| Application guide | Danfoss scroll compressors VZH052-065 - R410A | English | Multiple | 24 Oct, 2019 | 3.1 MB | |
| Installation guide | Discharge thermostat kit | German; English; French | Multiple | 04 Feb, 2016 | 103.1 KB | |
| Application guide | Guideline Hybrid tandem VSH with SH - R410A | English | Multiple | 09 Oct, 2014 | 2.8 MB | |
| Application guide | Guideline Inverter scroll compressors VSH088-117-170 | English | United States | 19 May, 2016 | 2.7 MB | |
| Application guide | Guideline Inverter scroll compressors VSH088-117-170 | English | Multiple | 19 May, 2016 | 2.8 MB | |
| Installation guide | Instructions VSH compressors | English | Multiple | 27 Sep, 2010 | 1.0 MB | |
| Installation guide | Instructions, VSH compressors | Bulgarian; Czech; Danish; German; English; Estonian; Finnish; French; Hungarian; Italian; Dutch, Flemish; Polish; Portuguese; Romanian, Moldavian, Moldovan; Swedish; Chinese (CN) | Multiple | 17 Mar, 2011 | 4.1 MB | |
| Catalog | Spare parts and accessories Danfoss Commercial Compressors for hermetic reciprocating and scroll compressors (AC/HP & REF) | English | Multiple | 19 Feb, 2025 | 4.7 MB | |
| Installation guide | Surface Sump Heaters - Instructions | English; French; Italian | Multiple | 15 Jun, 2017 | 337.7 KB | |
| Installation guide | VZH088-117-170 Compressor | English | Multiple | 10 Aug, 2023 | 831.8 KB |
Software
The truth is Cool(selector®2)
Coolselector®2 features unbiased calculations for the selection of refrigeration and air conditioning components based on the user’s requirements or based on standard operating conditions.
Related solutions
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Explore all facets of variable-speed technology for efficient commercial air conditioning and precision cooling. Find system descriptions, cases, training, and more.
