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PHYSICAL DATA
Note: For cooling nominal values are based on 12°C / 7°C entering / leaving evaporator water temperature, 35°C air ambient temperature.
Table A-1 : R407C - Cooling Only
Model 4AC20C 4AC25C 4AC30C 4AC40C 4AC50C 4AC60C
Nominal cooling capacity kW 6.15 6.74 7.91 11.72 14.65 15.24
Operating Weight kg 115.5 122.5 128 195 196.4 203.2
Refrigerant charge R407C kg 1.13 1.85 1.65 3.40 3.35 3.45
Compressor 1 Rotary comp 1 Scroll compressor
Control system LCD Electronic Control
Refrigerant - water heat exchanger Brazed Plate Heat Exchanger
Water connections (BSP) inches 111111
Maximum water pressure kPa 1000 1000 1000 1000 1000 1000
Hydronic circuit
Pump High Head Circulator Horizontal Multistage End-Suction
Available pressure kPa 72.94 98.58 89.27 91.70 67.51 70.32
Water inlet connection (BSPT) inches 111111
Water outlet connection (BSPT) inches 111111
Drain tap coupling (BSPT) inches 1/2 1/2 1/2 1/2 1/2 1/2
Closed expansion tank water volume litre 222555
Refrigerant - air heat exchanger
Tube diameter mm 9.52 9.52 9.52 9.52 9.52 9.52
No. of rows 122222
Tubes/row 30 30 30 54 54 54
Fin spacing mm
1.27 1.59 1.59 1.59 1.59 1.59
O/D Fan
Diameter inches 18 18 18 18/2 18/2 18/2
No. of blades 555555
Air flow (high speed) m
3
/min 62.3 62.3 62.3 62.3 62.3 62.3
Fan speed (high speed) r/min 910 920 920 920 920 920
Table A-2 : R22 - Cooling Only
Model AC20C AC25C AC30C AC40C AC50C AC60C
Nominal cooling capacity kW 5.28 6.89 8.06 11.72 14.65 15.53
Operating Weight kg 115.5 122.5 128 195 196.4 203.2
Refrigerant charge R22 kg 1.13 1.80 1.56 2.68 3.10 3.10
Compressor 1 Rotary comp 1 Scroll compressor
Control system LCD Electronic Control
Refrigerant - water heat exchanger Brazed Plate Heat Exchanger
Water connections (BSP) inches 111111
Maximum water pressure kPa 1000 1000 1000 1000 1000 1000
Hydronic circuit
Pump High Head Circulator Horizontal Multistage End-Suction
Available pressure kPa 83.55 97.39 88.08 91.70 67.51 65.98
Water inlet connection (BSPT) inches 111111
Water outlet connection (BSPT) inches 111111
Drain tap coupling (BSPT) inches 1/2 1/2 1/2 1/2 1/2 1/2
Closed expansion tank water volume litre 222555
Refrigerant - air heat exchanger
Tube diameter mm 9.52 9.52 9.52 9.52 9.52 9.52
No. of rows 122222
Tubes/row 30 30 30 54 54 54
Fin spacing mm
1.27 1.59 1.59 1.59 1.59 1.59
O/D Fan
Diameter inches 18 18 18 18/2 18/2 18/2
No. of blades 555555
Air flow (high speed) m
3
/min 62.3 62.3 62.3 62.3 62.3 62.3
Fan speed (high speed) r/min 910 920 920 920 920 920
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