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Example text

The selection method gives us: Qc = 20 x 1,25 x 1,08 x 1,27 x 1,06 = 36,3 kW The following will satisfy the required conditions: model ACCS 48 axial flow air condenser with motors with "Y" connection, from the table at 5 m distance, guaranteeing a sound pressure level of 48+6=55 dB(A).

REFRIGERANT GAS CONTENT The chillers are filled with R407C refrigerant gas and tested in the factory. In normal conditions, there should be no need for the Technical Engineer to intervene to check the refrigerant gas. However, over time, small leaks may develop at the joints leading to loss of refrigerant and draining of the circuit, causing the unit to function poorly. In this case, the leaks of refrigerant must be identified and repaired and the refrigerant circuit refilled. Proceed as follows: - Empty and dry the entire refrigerant circuit using a vacuum pump connected to either the low or high pressure tap until the vacuometer reads about 10 Pa.

Junction boxes with fan terminal board and wiring in the manifold compartment ACCESSORIES - Pressure switch type condensing control. I TECHNICAL DATA HCR Size Rated output (1) A A 0011 0021 0025 0031 0041 0051 0061 0071 0091 0101 0121 kW 9,7 9,7 12,5 12,5 15,2 18,0 23,0 29,2 33,1 41,7 49,8 Fan Air flow RPM n°xØ 1x500 1x500 1x500 1x500 1x500 1x500 2x500 2x500 2x500 3x500 3x500 m3/h 3100 3100 2850 2850 4000 3200 5800 8000 7000 12000 11400 n°/min 930 930 930 930 900 880 670 900 890 900 890 Power input Absorbed current at nominal conditions Absorbed current at maximum conditions Electrical power supply n°xkW 1x0,17 1x0,17 1x0,17 1x0,17 1x0,29 1x0,29 2x0,16 2x0,29 2x0,29 3x0,29 3x0,29 n°xA 1x0,72 1x0,72 1x0,72 1x0,72 1x1,25 1x1,25 2x0,65 2x1,25 2x1,25 3x1,25 3x1,25 n°xA 0,65 0,65 0,65 0,65 1,25 1,25 1,3 2,5 2,5 3,75 3,75 V-Ph-Hz 230/1/50 Dispatched weight Kg 33 33 37 37 Inlet connections Outlet connections Pressure tap connection Type of connections for welding mm mm inch 22 12 1/4” 22 12 1/4” 22 16 1/4” 22 16 1/4” dB(A) 36 36 36 36 Sound pressure level (2) (1) Nominal power at (tc-ti) = 15°C (2) Sound pressure level at 10 m 492 37 46 22 28 16 16 1/4” 1/4” a saldare 43 43 HE-HCR R407C BOOKMARK 66 66 73 93 101 28 20 1/4” 28 20 1/4” 28 20 1/4” 35 22 1/4” 35 22 1/4” 45 46 46 48 48 GRUPPO I DIMENSIONAL DRAWINGS HCR A 20 706 370 B A ø 14 746 B Dimensions 786 0011 0021 0025 0031 0041 0051 0061 0071 0091 0101 0121 A (mm) B (mm) 895 740 GRUPPO 895 740 895 740 HE-HCR R407C 895 740 895 740 895 740 1595 1440 1595 1440 1595 1440 2295 2140 2295 2140 493 BOOKMARK I POWER SELECTION HCR Fr 1,7 1,6 Tc =6 0°C 55 1,5 50 45 40 35 30 25 1,4 1,3 1,2 1,1 -10 -30 -20 -10 The nominal output values given in the catalogue refer to a difference of 16°C between condensing temperatures and ambient air at sea level and with noise levels in dB(A) measured at a distance of 10m in an open field.

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