Sound pressure level is measured at a position 1m in front of the unit and (1+H)/2m (where H is the height of the unit) above the floor in a semi-anechoic
chamber. During in-situ operation, sound pressure levels may be higher as a result of ambient noise.
2.
dB is the maximum value tested under the conditions below:
Outdoor air temperature 7⁰C DB, 85% R.H.; EWT 30⁰C, LWT 35⁰C. Free compressor frequency.
Outdoor air temperature 7⁰C DB, 85% R.H.; EWT 47⁰C, LWT 55⁰C. Free compressor frequency.