1 AIR HANDLING UNIT TYPE AIR ACCESS 75

Transcription

1 SUPPLY 1 AIR HANDLING UNIT TYPE AIR ACCESS 75 Location : EXTERNAL Position : SIDE BY SIDE SLIDING PANELS for COMPLETE ACCESSIBILITY MULTI SERVICE BULKHEAD for HYDRAULIC AND ELECTRICAL CONNECTIONS Self-supporting design According to "EN 1886" standards L2-D2-T2-TB2-F9 AHU certification EUROVENT : AHU The unit internal finish is galvanised without paint The unit external is painted 2 colours: RAL7024 and RAL9006 Double skin mineral wool 50 mm - 40 kg/m3 (class M0) Calculate conditions : Elevation : 0 m Entering air : 20 C Supply/extract speed class : V1(1.43 m/s) / V1(1.29 m/s) Access and connection side (supply/extract): Right / Right Pressure drop filters : Clean Supply air flow : 1.20 m3/s (4320 m3/h) Extract air flow : 1.08 m3/s (3888 m3/h) AHU Specific power 2.01 W/L/S Fan sized to include 10% increase in volume & 20% increase in pressure Supply air flow : Extract air flow : Pa Pa Page 1 / 7

2 1 AIR HANDLING UNIT TYPE AIR ACCESS 75 FULL SECTION DAMPER CLASS 1 INTEGRATED IN WHEATHER LOUVRE Damper control : can be motorized with locking quadrant Number of servomotors required : 1 ELECTRICAL HEATER SECTION 1 ROW With 3 wired resistances armoured with spiraled fin and 2 safety thermostats Installed power : 12 kw Maximum possible steps : 1 (To be confirmed at order stage) Connection : 3 PHASE 400 V Air in T / RH % : -4.0 C / 90 % Air out T / RH % : 4.3 C / 47 % Air velocity : 1.89 m/s PREFILTER GS G4 FULL SECTION Integrated in the exchanger Pressure drop on clean air : 31 Pa Pressure drop (Clean, Half dirty, Dirty) : 31/91/150 Pa With pressure tapping's and inclined tube manometer mounted PLATE HEAT EXCHANGER WITH FULL BY-PASS The recovery function is certified by Eurovent. Class H1 According to "EN 13053" standards Height / Width of the casing : 955 / 1315 mm condition winter Calculated efficiency : % Heating recovery capacity : kw : 1.20 m3/s Air in T / RH % : 4.30 C / 47 % Air out T / RH % : C / 25 % condition summer Calculated efficiency : % Heating recovery capacity : kw : 1.20 m3/s Air in T / RH % : C / 50 % Air out T / RH % : C / 64 % Number of servomotors required : 1 SHORT BAG FILTERS OC F7 Efficiency : : F7 Pressure drop for calculation (Clean) : 90 Pa Pressure drop (Clean, Half dirty, Dirty) : 90/145/200 Pa With pressure tapping's and inclined tube manometer mounted RAILS AND TIGHTENING MOUNTING COOLING COIL SECTION 3 ROWS (MIXED) Completely drain conception, External drain plug and air vent With completely removable sloping stainless steel drip tray (without dismantling the coil) Fin space : 2.1 mm Tubes Copper / Fins Aluminium (0.10) External header diameter : Left threaded connection 1" Page 2 / 7

3 Volume : 8.3 l Summer conditions Operating / testing pressure : 8 bar / 20 bar Cooling capacity : kw AIR : Thermal calculate air flow : 1.20 m3/s (4320 m3/s) Air in : DB / RH % / WB : 25.8 C / 64.0 % / 20.9 C Air out : DB / RH % / WB : 19.2 C / 94.1 % / 18.6 C Air frontal velocity : 2.07 m/s FLUID : Refrigerant fluid : Water Inlet T / Outlet T : 8.00 C / C Water flow : l/s Water pressure drop : kpa Winter conditions Operating / testing pressure : 8 bar / 20 bar Cooling capacity : 9.34 kw AIR : Thermal calculate air flow : 1.20 m3/s (4320 m3/s) Air in : DB / RH % / WB : 13.6 C / 25.0 % / 5.9 C Air out : DB / RH % / WB : 20.0 C / 16.6 % / 9.1 C Air frontal velocity : 2.02 m/s FLUID : Refrigerant fluid : Water Inlet T / Outlet T : C / C Water flow : l/s Water pressure drop : 8.68 kpa BACKWARD FAN SECTION (1 MOTOR) Type : RDH E Discharge direction : H 60 : Horizontal High Discharge connection : Tubular seal M1 Air flow : 1.20 m3/s (4320 m3/h) Air velocity discharge fan : 7.35 m/s External static pressure : 300 Pa Static pressure : 703 Pa Total pressure : 735 Pa Static efficiency : 72 % Total efficiency : 75 % Fan shaft power : 1.17 kw Fan speed : 2223 Rpm 1xMOTOR P=2.2 kw N=3000 Rpm (EFF2/IE1) IP55 - Class F - TCO - Voltage 3 phase 230/400 Volts 50 Hz Nominal current : 4.4 A Direct starting current : 26,4 A Star/delta starting current : 8,8 A Maximum speed : 3500 Rpm Electrical power absorbed : 1.48 kw Specific power without frequency inverter : W/m3.s Fan-motor temperature rise : 1.0 C With antivibration pads BULK HEAD LIGHT (220V) With lateral electrical switch PORTHOLE Page 3 / 7

4 ACCESS PROTECTION GUARD EXTERNAL ISOLATOR 3 POLES - 3 PHASES WIRED (shielded cable) SOUND POWER SPECTRUM FREQUENCIES (Hz) S.W.L In duct fan discharge In duct fan inlet Breakout noise level AVERAGE SOUND POWER LEVEL S.W.L dblin dba In duct fan discharge In duct fan inlet Breakout noise level Sound level margin : + / - 4 db INCLUDED UNIT CASING CONSTRUCTION OPTIONS ROOF FITTED FOR EXTERNAL USE By default,sloping roof - excepted special case ASSEMBLED FRAME H=150 mm EXTRACTION PREFILTER GS G4 FULL SECTION Efficiency : : G4 Pressure drop for calculation (Clean) : 27 Pa Pressure drop (Clean, Half dirty, Dirty) : 27/88/150 Pa With pressure tapping's and inclined tube manometer mounted SIMPLE RAILS FULL SECTION MOUNTING BACKWARD FAN SECTION (1 MOTOR) Type : RDH E Discharge direction : H 60 : Horizontal High Discharge connection : Tubular seal M1 Air flow : 1.08 m3/s (3888 m3/h) Air velocity discharge fan : 5.26 m/s External static pressure : 300 Pa Static pressure : 526 Pa Total pressure : 555 Pa Static efficiency : 69 % Total efficiency : 73 % Fan shaft power : 0.82 kw Fan speed : 1636 Rpm 1xMOTOR P=1.1 kw N=1500 Rpm (EFF2/IE1) IP55 - Class F - TCO - Voltage 3 phase 230/400 Volts 50 Hz Nominal current : 2.5 A Direct starting current : 12,5 A Star/delta starting current : 4,17 A Maximum speed : 3300 Rpm Electrical power absorbed : 1.12 kw Specific power without frequency inverter : W/m3.s Fan-motor temperature rise : 0.9 C With antivibration pads BULK HEAD LIGHT (220V) With lateral electrical switch PORTHOLE ACCESS PROTECTION GUARD Page 4 / 7

5 EXTERNAL ISOLATOR 3 POLES - 3 PHASES WIRED (shielded cable) PLATE HEAT EXCHANGER WITH FULL BY-PASS condition winter : 1.08 m3/s Air in T / RH % : C / 50 % Air out T / RH % : C / 96 % condition summer : 1.08 m3/s Air in T / RH % : C / 50 % Air out T / RH % : C / 38 % FULL SECTION DAMPER CLASS 1 INTEGRATED IN WHEATHER LOUVRE Damper control : can be motorized with locking quadrant Number of servomotors required : 1 SOUND POWER SPECTRUM FREQUENCIES (Hz) S.W.L In duct fan discharge In duct fan inlet Breakout noise level AVERAGE SOUND POWER LEVEL S.W.L dblin dba In duct fan discharge In duct fan inlet Breakout noise level Sound level margin : + / - 4 db INCLUDED UNIT CASING CONSTRUCTION OPTIONS ROOF FITTED FOR EXTERNAL USE By default,sloping roof - excepted special case ASSEMBLED FRAME H=150 mm Page 5 / 7

6 AHU SCHEMATIC AIR ACCESS 75 (according to the dimension) Height : 1105 mm Width : 2670 mm Length : 4795 & 3595 mm Weight : 1293 Kg Height and width do not take into account jutting out accessories set (lateral cowl, roof, upper hood...). Fan discharge direction supply : H 60 : Horizontal High Fan discharge direction extract : H 60 : Horizontal High.. The headers axis dimensions and discharge tube axis are given in the descriptive with +/- 10 mm tolerance Page 6 / 7

7 Connection positions and dimensions Full section air inlet connection Fan air outlet connection Full section air inlet connection Full section air outlet connection A=955 ; B=1225 ; C=610 ; D=985 ; E1=122.5 ; E2=222.5 A=955 ; B=1225 ; J=453 ; K=267.5 ; M=386 A=955 ; B=1225 ; C=610 ; D=985 ; E1=122.5 ; E2=222.5 A=955 ; B=1225 ; C=610 ; D=985 ; E1=122.5 ; E2=222.5 Page 7 / 7