Danfoss Sound Spectrum for Optyma Plus OP-LPQM068NT Data Sheet
Summary
This comprehensive data sheet provides in-depth acoustic performance specifications for the OP-LPQM068NT condensing unit. It features detailed measurements of the entire sound spectrum and sound power levels across multiple frequency ranges, from 50Hz up to 16kHz. This technical manual is essential for HVAC engineers, mechanical consultants, and industrial professionals who require accurate data to evaluate noise emission, ensure compliance, and assess the operational acoustic impact when integrating the unit into a specific commercial or residential cooling system design.
Page 1 Text Content
Acoustic/Sound Spectrum Data (50Hz)
Condensing unit Model OP-LPQM068NT Condensing Unit Code : 114X3241
SO ER EC TR
Housing H2 Compressor : NTZ068-5
Electrical code Number of Fans : 1
Document No 118A1978 Revision : A
Sound Power Spectrum, 1/1 Octave
Model Sound Power Spectrum
16k LWA
OP-LPQM068NT 1/1 Octave d BA
Calculated Sound Pressure (Free Field) (d BA)
Distance (in Meters) 1m 3m 10m Sound Pressure (d B(A))
Acoustic/Sound Spectrum (50Hz)
16k LWA
1/1 OCTAVE FREQUENCY (HZ)
Weighted d BA
Acoustic spectrum data are calculated by addition of sound power levels of compressor and fan motor at full speed according to EN13215 conditions. As compressor and fan motor are placed in a packaged unit, effect of noise reduction due to enclosure and insulation was considered for evaluation of sound power
Subject to change without prior information, Please check Coolselector 2 / Product store for updated information.
Page Summary Contents For Danfoss Sound Spectrum for Optyma Plus OP-LPQM068NT Data Sheet
Manual Details
| Brand | Spectrum |
|---|---|
| Pages | 1 |
| File Size | 144.78 KB |
| Published | June 06, 2026 |
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Frequently Asked Questions
What is the model number of the condensing unit?
The model is OP-LPQM068NT.
What are the sound power levels at different frequencies (1/1 Octave)?
L(WA) values range from 56 dBA at 63 Hz to 38 dBA at 16 kHz.
How is the acoustic spectrum data calculated?
It is a calculation based on adding sound power levels of the compressor and fan motor at full speed, following EN13215 conditions.
What distance was used for the free-field sound pressure calculation (at 1m)?
At 1 meter, the Calculated Sound Pressure in Free Field is shown as 60 dBA.