references
Split refrigeration units and heat pumps
AIRDUO COMPACT ST/CT
SOUND
PRESSURE AND POWER LEVEL DB(A)
ST dB(A) 80 79.1 90 81.5 120 79.2 160 83.9
A) The sound power level at the outdoor unit fan air supply, to be taken into account when calculating the silencer required:
B) The sound pressure level for the outdoor unit, measured at a distance of 5 metres, in a free field, directivity 2 and 1.5 metres from the ground:
ST dB(A) 80 65.0 90 68.4 120 68.5 160 69.7
C) The sound pressure level for the indoor unit, with ducted air supply and return, measured at a distance of 5 metres, in a free field with directivity 2 and 1.5 metres from the ground:
CT dB(A) 80 65.9 90 64.6 120 65.2 160 64.2
Note: the sound pressure level depends on the installation conditions, and is therefore only given as a guide.
DIMENSIONS
FOR THE OUTDOOR UNIT
Dimensions (mm) Outdoor unit model A B C (kg)
Weight
RST / IST 80 RST / IST 90 RST / IST 120
NOTE: Dimensions for indoor units (refer to the technical manual)
1 680 1 680
915 915
670 670 810 810
224 245 322 344
2 088 1 198 2 088 1 198
RST / IST 160
RECOMMENDATIONS
ST outdoor unit
FOR REFRIGERANT CONNECTION
Maximum geodetic head 20 m
L: liquid line G: gas line Gas line with one siphon per 3 metres of slope
L: liquid line G: gas line Gas line with one siphon per 3 metres of slope
L G
G L
ST outdoor unit
CT indoor unit
Maximum equivalent length of the refrigerating line is 30 m. For greater distances, use an oil separator (option)
Max. equivalent length of refrigerating line is 7 m
HEAT PUMPS - AIR CONDITIONING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 17.01 A
Maximum height of 6 m
CT indoor unit