593 Integration with 3rd party Air Handling Units Also for the integration with 3rd party AHU’s Daikin provides expert support for the design and installation. Selection of the expansion valve kit – Recirculation application EKEXVA Class On-coil air temperature [°C] 14WB 16WB 18WB 19WB 20WB 22WB 24WB 20DB 23DB 26DB 27DB 28DB 30DB 32DB kW kW kW kW kW kW kW 50 3.8 4.5 5.2 5.6 5.9 6.0 6.2 63 4.8 5.7 6.6 7.1 7.5 7.7 7.8 80 6.1 7.2 8.4 9.0 9.5 9.7 9.9 100 7.6 9.0 10.5 11.2 11.8 12.1 12.3 125 9.5 11.3 13.1 14.0 14.8 15.1 15.4 140 10.8 12.9 15.0 16.0 16.9 17.3 17.6 200 15.1 18.0 21.0 22.4 23.6 24.2 24.6 250 18.9 22.5 26.2 28.0 29.5 30.2 30.8 300 22.6 26.9 31.3 33.5 35.3 36.1 36.9 350 27.0 32.2 37.4 40.0 42.1 43.1 44.0 400 30.4 36.2 42.1 45.0 47.4 48.5 49.5 450 34.0 40.5 47.2 50.4 53.1 54.3 55.4 500 37.8 45.0 52.4 56.0 59.0 60.4 61.6 NEW NEW NEW EKEXVA Class On-coil air temperature [°C] 10.0 16.0 18.0 20.0 21.0 22.0 24.0 kW kW kW kW kW kW kW 50 6.6 6.6 6.6 6.3 6.1 5.9 5.5 63 8.4 8.4 8.4 8.0 7.7 7.5 7.0 80 10.5 10.5 10.5 10.0 9.7 9.4 8.7 100 13.1 13.1 13.1 12.5 12.1 11.7 10.9 125 16.8 16.8 16.8 16.0 15.5 15.0 13.9 140 18.9 18.9 18.9 18.0 17.4 16.8 15.7 200 26.2 26.2 26.2 25.0 24.2 23.4 21.8 250 33.1 33.1 33.1 31.5 30.5 29.5 27.5 300 39.4 39.4 39.4 37.5 36.3 35.1 32.7 350 47.2 47.2 47.2 45.0 43.6 42.1 39.2 400 52.4 52.4 52.4 50.0 48.4 46.8 43.6 450 59.2 59.2 59.2 56.5 54.7 52.9 49.3 500 66.0 66.0 66.0 63.0 61.0 59.0 54.9 NEW NEW NEW Saturated evaporating temperature: +6°C Air temperature: +27°C DB / +19°C WB * Applicable when connected to VRV outdoor units. For the corresponding DX coil limitations when the DX coil is connected to ERA units, please refer to the table on page 589. Saturated evaporating temperature: +46°C Air temperature: +20°C DB * Applicable when connected to VRV outdoor units. For the corresponding DX coil limitations when the DX coil is connected to ERA units, please refer to the table on page 589.. J Define the required heating/cooling load of your project J Define 3rd party AHU heat exchanger capacity J Use the Xpress selection software or the below table to select the correct expansion valve kit J The 3rd party AHU design should respect the allowed heat exchanger volume J Xpress selection software will select the correct outdoor unit at the design ambient temperatures. J Define the required heating/cooling load of your project J Use the Xpress selection software or the below table to select the correct expansion valve, following the procedure used as for standard VRV indoor units J The 3rd party AHU design should respect the allowed heat exchanger (DX coil) volume limitations which in are in place for VRV (above on this page) and ERA (page 7) J Xpress selection software will select the correct outdoor unit at the design ambient temperatures Selection of the expansion valve kit – Fresh air application Cooling Cooling Heating Heating EKEXVA Class Allowed heat exchanger capacity (kW) Allowed heat exchanger volume (dm3)* Minimum Nominal Maximum Minimum Maximum General Limits (65%<CR<75%) Only for pair and multi layout Maximum 50 5.0 5.6 6.2 0.95 1.09 1.65 63 6.3 7.1 7.8 1.02 1.18 2.08 80 7.9 9.0 9.9 1.42 1.64 2.64 100 10.0 11.2 13.1 1.51 1.74 3.30 125 13.2 14.0 15.4 1.98 2.29 4.12 140 15.5 16.0 21.0 2.54 2.94 4.62 200 21.1 22.4 24.6 3.02 3.49 6.60 250 24.7 28.0 30.8 3.97 4.58 8.25 300 30.9 33.5 36.9 4.53 5.25 9.9 350 37.0 40.0 44.0 5.48 6.32 11.55 400 44.1 45.0 49.5 6.04 6.97 13.2 450 49.6 50.4 55.4 6.99 8.07 14.5 500 55.5 56.0 61.6 7.55 8.72 16.5 NEW NEW NEW EKEXVA Class Allowed heat exchanger capacity (kW) Allowed heat exchanger volume (dm3)* Minimum Nominal Maximum Minimum Maximum General Limits (65%<CR<75%) Only for pair and multi layout Maximum 50 5.6 6.3 7.0 0.95 1.09 1.65 63 7.1 8.0 8.8 1.02 1.18 2.08 80 8.9 10.0 11.1 1.42 1.64 2.64 100 11.2 12.5 14.7 1.51 1.74 3.30 125 14.8 16.0 17.3 1.98 2.29 4.12 140 17.4 18.0 23.6 2.54 2.94 4.62 200 23.7 25.0 27.7 3.02 3.49 6.60 250 27.8 31.5 34.7 3.97 4.58 8.25 300 34.8 37.5 41.5 4.53 5.23 9.9 350 41.6 45.0 49.5 5.48 6.32 11.55 400 49.6 50.0 55.7 6.04 6.97 13.2 450 55.8 56.5 62.4 6.99 8.07 14.85 500 62.5 63.0 69.3 7.55 8.72 16.5 NEW NEW NEW
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