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Databook Modular T - October 2022 - Rev. 00

ASTRA WEB Version 10.1.13.1

Air Handling Unit
Technical Data

Modular T

Summary of Contents for ATB03RA

Page 1: ...Databook Modular T October 2022 Rev 00 1 ASTRA WEB Version 10 1 13 1 Air Handling Unit Technical Data Modular T...

Page 2: ...ructure 13 4 5 Insulation 13 4 6 Heat Exchanger 13 4 7 Fans 13 4 7 1 Pro Version 13 4 7 2 Smart Version 13 4 8 Filters 14 4 9 Control system 15 4 9 1 Pro Controls 15 4 9 2 Smart Controls 16 4 10 Defau...

Page 3: ...5 3 1 Useful information 27 5 3 2 Coils 28 5 3 3 Valves 31 5 3 4 Dampers 32 5 3 5 Electrical accessories 32 5 4 Accessories only for Smart version 33 5 4 1 Coils 33 6 Performance 34 6 1 Performance da...

Page 4: ...ing operation and energy efficient defrost logic Aluminium counter flow plate heat exchanger with efficiency up to 93 Up to three filters on supply side up to ePM2 5 50 M5 ePM1 50 F7 ePM1 80 F9 CO2 le...

Page 5: ...5 V Shaped feet 6 Supply fan 7 Supply filter 8 Return Filter 9 Control 10 Drain Pain Airflow direction A Exhaust air B Fresh air C Return air D Supply air Modular T is available in two configurations...

Page 6: ...inted Control o Pro version programmable controller o Smart version Smart controller VAM control For Pro version the room thermostat and user interface ALC00822A is included with the main unit For Sma...

Page 7: ...h mm 6 1600 1600 1900 1850 2050 Length mm 1580 1650 2170 2620 2950 Circular duct flange Diameter mm 250 315 355 400 500 Unit sound power level dB A 57 52 55 55 58 Unit sound pressure level 7 dB A 50 4...

Page 8: ...ger In this way for right version the section 1 is on the right of section 2 while for left version it is on the left For size 06 and 07 that are divided into three sections the third one is the contr...

Page 9: ...Databook Modular T October 2022 Rev 00 9 Size 05 Right configuration Size 05 Left configuration Supply air Return air Fresh air Exhaust air...

Page 10: ...Databook Modular T October 2022 Rev 00 10 Size 06 07 Right configuration Supply air Return air Fresh air Exhaust air Size 06 07 Left configuration...

Page 11: ...plied eu 4 2 Electrical Data Material Name ATB03 A ATB04 A SB ATB05 A SB ATB06 A SB ATB07 A Size 03 04 05 06 07 Power Supply Phase 1 Frequency Hz 50 60 Voltage V 220 240 Full load condition FLA A 1 7...

Page 12: ...s 1 29 1 71 1 75 1 68 1 87 Internal Pressure Drop of Ventilation Components Supply Pa 188 265 261 246 276 Return Pa 193 274 270 255 286 Nominal External Pressure Drop Supply Pa 100 Return Pa 100 Stati...

Page 13: ...with opportune slope 4 7 Fans 4 7 1 Pro Version The units comply with ErP 2018 rated and have IP54 EC fan motor assemblies EC fans are of IE5 efficiency class Fans provide low specific fan power SFP a...

Page 14: ...iciencies depending on ODA and SUP categories are summarised in the following table Supply air class Outdoor Air Quality SUP 1 High SUP 2 Medium SUP 3 Moderate SUP 4 Low ODA 1 Pure Air ePM1 70 ePM1 50...

Page 15: ...logic the unit provides a constant airflow regardless of system pressure drops For the variable air volume VAV logic the unit guarantees a constant static pressure in a specific point of the system t...

Page 16: ...sensors fitted on the fresh and return air side The temperature control done by the unit is to compare outside temperature with inside temperature to decide whether to operate in heat exchange or in b...

Page 17: ...to m3 h 800 1650 2300 2700 3900 Eco m3 h 400 825 1150 1300 1950 Variable air volume VAV 2 Auto Pa 100 100 100 100 100 Eco Pa 50 50 50 50 50 Supply air Temperature Winter 22 C Summer 22 C CO2 Control 3...

Page 18: ...e ESP 800 100 800 100 RPM RPM 2310 2276 Fan speed High Ultra High 17 27 4 01 Fan Curve Supply Fan Curve Return 19 29 2 09 19 29 3 05 Size 04 Supply Exhaust Volume Flow rate ESP Volume Flow rate ESP 16...

Page 19: ...f frost formation The antifreeze logic is activated whenever outdoor and exhaust temperatures fall below pre set values and pressure drop across the heat exchanger monitored thanks to a pressure trans...

Page 20: ...either tackling or preventing frost issue The unit has been equipped with a differential pressure switch to prevent a possible risk of icing at heat exchanger level Depending on the working condition...

Page 21: ...Databook Modular T October 2022 Rev 00 21...

Page 22: ...in terms of air flow and thermodynamic treatments The optimised choice of every detail the search for maximum efficiency in each component the adoption of specific materials and constructive solution...

Page 23: ...Lower limit temperature C Upper limit temperature C Outside air temperature without coil All 5 C 46 C with pre heating coil All 25 C 46 C Operating environment temperature All All 5 C 46 C Temperatur...

Page 24: ...ATD03UWSAL ATD04UWSAL ATD05UWSAL ATD06UWSAL ATD07UWSAL Electric Preheating Pro ATD03HEFAU ATD04HEFAU ATD05HEFAU ATD06HEFAU ATD07HEFAU Electric Preheating Smart ATD03HEFBU ATD04HEFBU ATD05HEFBU ATD06H...

Page 25: ...EDA ATA06EDA ATA07EDA Control Module Bacnet Interface Pro ALC00908A Module Modbus Interface Pro ALC00902A Room Thermostat Pro ALC00822A Commissioning Module Pro ALC00895A Electrical accessories Frost...

Page 26: ...terial names and the pressure drop for each filter when it is clean at nominal air flow for all the sizes Material Name Main Unit Size Description P Clean Pa P Mean Pa ATF03G4A 03 ISO Coarse 55 G4 61...

Page 27: ...fference between the two coil is the maximum reachable power Astra Web selection software based on specific project s conditions will automatically select the most suitable coil Post heating ATD HWFAU...

Page 28: ...lected and vice versa A water coil installed inside the unit and an electric heater installed in the ductwork are available as post heating options Like DX and water main coils also the post heating w...

Page 29: ...lease follow the dedicated IOM for further information on the installation procedure DX coil is provided in left and right version based on unit version chosen It is not possible to install a right le...

Page 30: ...ect requirement The additional PCB for external accessories ATE00DPUA is required in order to enable communication between controller and external heaters In the Astra Web selection software for Modul...

Page 31: ...1 5 3 3 Valves The regulating valves are needed when a water coil is selected For each size four types of valves are available cooling or heating two or three ways Main info for the valves is summari...

Page 32: ...the modulating actuator ATE00AMDA 5 3 4 2 External Dampers External dampers can be installed on all the four air flow connections It is advised to install the external dampers on supply and return du...

Page 33: ...required to monitor pressure drop for each filtration stage according to VDI6022 5 4 Accessories only for Smart version 5 4 1 Coils 5 4 1 1 Electrical pre heating coil Only coil available for Smart v...

Page 34: ...e are collected in the next paragraphs 6 1 Performance data The diagrams show the available external pressure for the duct system given the airflow The SFPv Specific Fan Power W m3 s curves are referr...

Page 35: ...5 0 100 200 300 400 500 600 700 800 900 1000 250 750 1250 1750 2250 ESP Pa Air Flow m3 h Size 04 SFPv 1200 SFPv 1600 SFPv 2000 0 100 200 300 400 500 600 700 800 900 0 1000 2000 3000 ESP Pa Air Flow m3...

Page 36: ...100 200 300 400 500 600 700 800 0 500 1000 1500 2000 2500 3000 3500 ESP Pa Air Flow m3 h Size 06 SFPv 1200 SFPv 1600 SFPv 2000 0 100 200 300 400 500 600 700 800 1000 2000 3000 4000 5000 ESP Pa Air Flo...

Page 37: ...l efficiency The charts indicate the thermal efficiency of the heat exchanger at the follwing conditions Wet efficiency 5 C RH 90 Outdoor and 22 C 50 Indoor With air ratio 1 1 and according to EN308 T...

Page 38: ...900 4100 Efficiency Air Flow m3 h Size 07 Thermal efficiency Wet Thermal efficiency EN 308 70 75 80 85 90 2100 2200 2300 2400 2500 2600 2700 2800 2900 Efficiency Air Flow m3 h Size 06 Thermal efficien...

Page 39: ...ency Hz 63 125 250 500 1000 2000 4000 8000 Avg dBA Sound power dB Supply inlet 61 69 64 46 45 41 30 21 57 Supply outlet 62 76 81 67 64 64 57 51 74 Return inlet 61 69 64 45 45 41 30 21 57 Return outlet...

Page 40: ...turn outlet 58 60 71 66 65 64 58 54 70 Surrounding power 61 51 54 48 44 42 36 28 51 Surrounding pressure dBA 44 Air flow 1200 m3 h ESP 150 Pa Point C Frequency Hz 63 125 250 500 1000 2000 4000 8000 Av...

Page 41: ...eturn outlet 68 69 77 71 68 68 62 62 75 Surrounding power 71 60 60 53 48 45 40 35 56 Surrounding pressure dBA 49 Air flow 2100 m3 h ESP 150 Pa Point C Frequency Hz 63 125 250 500 1000 2000 4000 8000 A...

Page 42: ...eturn outlet 64 70 75 70 65 66 60 57 73 Surrounding power 67 61 58 53 45 43 38 30 55 Surrounding pressure dBA 48 Air flow 2600 m3 h ESP 150 Pa Point C Frequency Hz 63 125 250 500 1000 2000 4000 8000 A...

Page 43: ...eturn outlet 72 76 79 73 67 69 64 62 76 Surrounding power 75 67 61 55 47 47 42 35 58 Surrounding pressure dBA 51 Air flow 3000 m3 h ESP 150 Pa Point C Frequency Hz 63 125 250 500 1000 2000 4000 8000 A...

Page 44: ...Databook Modular T October 2022 Rev 00 44 6 4 Dimensional Drawings Dimension Drawing Size 03...

Page 45: ...Databook Modular T October 2022 Rev 00 45 Dimension Drawing Size 04...

Page 46: ...Databook Modular T October 2022 Rev 00 46 Dimension Drawing Size 05...

Page 47: ...Databook Modular T October 2022 Rev 00 47 Dimension Drawing Size 06...

Page 48: ...Databook Modular T October 2022 Rev 00 48 Dimension Drawing Size 07...

Page 49: ...0 49 All the technical data and performances included within this document are subject to change without prior notice Please refer to the last version of selection software available online for update...

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