General Data
Table 6 – General data RTAF 090-245 High Seasonal Efficiency - Standard and Low Noise
RTAF RTAF RTAF RTAF RTAF RTAF RTAF RTAF RTAF
090 105 125 145 155 175 190 205 245
Cooling Capacity (1) (kW) 330 383 452 534 576 638 695 755 875
Unit electrical data (2) (3) (4)
Maximum Power input in cooling (kW) 143.5 165.1 193.9 226.6 249.5 272.8 299.6 322.9 339.0
Unit rated amps (Max compr +Fan+Control) (A) 220 253 296 346 381 416 457 493 517
Unit start up amps (Starting Amps of the largest
compr+RLA of 2nd compr+RLA of all fans+ control)
(A) 220 253 296 346 381 416 457 493 517
Unit Power factor 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95
Max power cable cross section (mm²) 240 240 240 2*300 2*300 2*300 2*300 2*300 2*300
Disconnect switch size (A) 400 400 500 630 630 630 800 800 800
Compressor
Quantity # 2 2 2 2 2 2 2 2 2
Type Screw Screw Screw Screw Screw Screw Screw Screw Screw
Model (11) 45/45 50/50 70/50 70/70 85/70 100/70 100/85 100/100 120/120
Max Compr Power input Circuit 1/Circuit 2 kW 61/61 72/72 101/72 101/101 124/101 147/101 147/124 147/147 156/156
Max Amps Circuit1 / Circuit 2 (3) (4) (A) 93/93 110/110 153/110 153/153 188/153 224/153 224/188 224/224 236/236
Start up Amps Circuit1 / Circuit 2 (3) (4) (A) 93/93 110/110 153/110 153/153 188/153 224/153 224/188 224/224 236/236
Motor RPM (rpm) 3000 3000 3000 3000 3000 3000 3000 3000 3000
Oil sump heater Circuit1 / Circuit 2 (W) 150/150 150/150 150/150 150/150 150/150 150/150 150/150 150/150 150/150
Evaporator
Quantity # 1 1 1 1 1 1 1 1 1
Type Flooded shell and tube heat exchanger
Evaporator model 115B 115A 165B 165B 165A 200B 200B 250B 250B
Evaporator Water Content volume (l) 51 58 74 74 78 99 99 118 118
Antifreeze Heater (W) 1640 1640 1640 1640 1640 2040 2040 2040 2040
Two pass evaporator
Evap. Water Flow rate - Minimum (l/s) 8.0 9.4 11.6 11.6 12.4 14.2 14.2 17.9 17.9
Evap. Water Flow rate - Maximum (5) (l/s) 29.6 34.7 43.1 43.1 46.0 52.6 52.6 66.5 66.5
Nominal water connection size (Grooved coupling)
(in) (DN)
4" - 100 4" - 100 5" - 125 5" - 125 5" - 125 6" - 150 6" - 150 6" - 150 6" - 150
Two pass with turbulator evaporator
Evap. Water Flow rate - Minimum (5) (l/s) 6.6 7.8 9.7 9.7 10.3 11.8 11.8 14.9 14.9
Evap. Water Flow rate - Maximum (l/s) 26.6 31.2 38.7 38.7 41.3 47.2 47.2 59.7 59.7
Nominal water connection size (Grooved coupling)
(in) -
(mm)
4" - 100 4" - 100 5" - 125 5" - 125 5" - 125 6" - 150 6" - 150 6" - 150 6" - 150
Hydraulic Module Components
Standard head pressure pump option
Available Head Pressure (1) (kPa) 141 128 142 121 179 172 153 149 149
Max Motor Power input (kW) 4.9 5.1 6.5 6.9 9.3 9.6 9.8 10.0 10.0
Max Amps (A) 5.5 5.5 7.5 7.5 11.0 11.0 11.0 11.0 11.0
High head pressure pump option 11 11 14 14 21 21 21 21 21
Available Head Pressure (1) (kPa) 253 239 224 245 237 230 264 260 260
Max Motor Power input (kW) 11.0 11.0 11.0 15.0 15.0 15.0 18.5 18.5 18.5
Max Amps (A) 20.8 20.8 20.8 28.0 28.0 28.0 34.5 34.5 34.5
Expansion Tank Volume (l) 80 80 80 80 80 80 80 80 80
Max User water loop Volume for factory mounted
expansion tank (1)
(l) 6000 6000 6000 6000 6000 6000 6000 6000 6000
Max. Water-side Operating Pressure without pump
package
(kPa) 1000 1000 1000 1000 1000 1000 1000 1000 1000
Max. Water-side Operating Pressure with pump package (kPa) 450 450 450 450 450 450 450 450 450
Antifreeze Heater with pump package (W) 840 840 840 840 840 840 840 840 840
Condenser
Type Full aluminum Micro channel heat exchanger
Quantity # 5/5 5/5 5/5 6/6 6/6 7/5 7/7 7/7 7/7
Face area per coil (m²) 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4
Condenser Fan
Quantity # 5/5 5/5 5/5 6/6 6/6 7/5 7/7 7/7 7/7
Diameter (mm) 800 800 800 800 800 800 800 800 800
Standard / High ambient fan option
Fan / motor Type Propeller fan / Variable speed - EC motor
Airow per Fan (m3/h) 15000 17400 17400 17400 17400 20000 20000 20000 20000
Max Power input per Motor (kW) 1.95 1.95 1.95 1.95 1.95 1.95 1.95 1.95 1.95
Max Amps per Motor (A) 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0
Motor RPM (rpm) 710 810 810 810 810 910 910 910 910