Calculation of external available Pressure Page 1 Size: 1 Air flow volume [m³/h] 4 6 8 1 12 14 16 18 2 24 28 32 36 1. Criterion flow velocity (Ref. 2 C) Do not design units in conditions acc. to white areas! Supply Unit with air conditioning elements: 1. Step Flow velocity related to Cross section of filter (long) Flow velocity related to Finned surface of heater Flow velocity related to Finned surface of cooler [m/s],41,62,82 1,3 1,23 1,44 1,64 1,85 2,5 2,47 2,88 3,29 3,7 [m/s],7 1,1 1,4 1,8 2,1 2,5 2,8 3,2 3,5 4,2 4,9 [m/s],8 1,2 1,5 1,9 2,3 2,7 3,1 3,5 3,9 4,7 Extract Unit without air conditioning elements: Flow velocity related to Inner cross section of unit [m/s],41,62,82 1,3 1,23 1,44 1,64 1,85 2,5 2,47 2,88 3,29 3,7 Calculation of external available statical air pressure by deduction of internal pressure losses Deduct the respective pressure losses of needed elements from available stat. pressure of fan! Available statical pressure [Pa] at rated voltage 2. Pressure Calculation without consideration of pressure regain! VN 11 357 345 332 319 33 286 266 242 213 14 4 VN 12 413 41 388 373 357 34 319 296 269 24 119 12 Ventilator Unit VN 13 486 483 278 47 459 444 425 42 374 32 28 88 VN 14 48 482 482 478 472 463 45 433 411 355 278 178 53 The following air conditioning elements reduce pressure available! Pressure loss [Pa] at above stated air volume Pocket filter F5 Calculated resistance 14 16 19 111 114 116 119 122 126 132 14 Short filter (195 mm pocket) Clean resistance 8 13 17 22 27 33 39 45 51 65 79 Recommended final resistance: 2-3 Pa To ensure long filter life time please dimension the unit with consideration of Calculated resistance Pocket filter F5 Long filter (6 mm pocket) Calculated resistance Clean resistance not to be used in size 1 Pocket filter F7 Calculated resistance 18 112 117 122 127 133 139 145 151 165 18 Long filter (6 mm pocket) Clean resistance 16 25 34 44 55 66 77 9 12 13 159 only to be used together with activated carbon filter Pocket filter F9 Long filter (6 mm pocket) Calculated resistance Clean resistance not to be used in size 1 Air Heater LW LW 1 4 7 11 16 22 29 35 43 51 69 89 Medium: PWW (pump circulated hot water) LW 2 6 12 2 29 39 5 63 76 9 122 157 2. Step LW 3 8 16 25 7 5 65 81 98 118 16 27 Subtotal External statical pressure [Pa] available 14
Calculation of external available Pressure Page 2 Size: 1 Air Flow Volume [m³/h] 4 6 8 1 12 14 16 18 2 24 28 32 36 2. Pressure calculation The following air conditioning elements reduce pressure available! Subtotal of page before of external available statical pressure [Pa] Pressure loss [Pa] at above stated air volume Air Cooler LK and LKV LK 2 9 18 29 43 58 75 94 115 137 186 Medium: chilled water KKW LK 4 12 24 39 56 77 99 124 152 181 246 LK 6 15 3 48 7 95 123 155 189 225 Calculation of external available statical air pressure by deduction of internal pressure losses Deduct the respective pressure losses of needed elements from available stat. pressure of fan! Air Cooler LKR LKR 2 11 23 37 54 74 96 12 147 176 24 Direct Evaporating LKR 4 12 25 4 59 81 15 131 161 192 262 Medium: R47C, 5 C LKR 6 19 38 62 91 124 161 23 247 296 44 Water Eliminator 3 6 1 15 21 28 36 45 55 78 horizontal air flow (LK) Damper class type A 1 1 2 2 3 4 5 6 7 9 11 14 17 Pressure losses to be taken into consideration only with damper on inlet side. Air Mixer class type A 1 1 2 2 3 4 5 6 7 9 11 14 17 LJ, LM, CLM Pressure losses to be taken into consideration only with air mixer on inlet side. Plate heat Exchange APD with integrated Bypass resistance calculated at 22 C/3% r. H. on request Coarse Filter GF clean resistance 18 36 6 88 121 158 199 245 294 Regularly cleaning required! Activated Carbon Filter AKCF 13 25 41 6 82 17 134 163 Calculated resistance same than clean resistance Electric Air Heater LE LE 6,6 2 4 6 8 1 13 17 21 25 34 44 56 7 2. Step Operating voltage 4V/5Hz LE 13,1 4 7 1 14 18 23 28 34 4 54 7 88 17 LE 19,7 3 7 11 16 22 28 36 43 52 7 92 116 143 Total External statical pressure [Pa] available 15
Size 1 Ventilator Unit VN 11 Power Supply: 23V/1N~ 5 Hz with Pressure / Air Volume Performance, Selection of Speed Controllers FISCHBACH COMPACT FAN D54/E25 Discharge Inlet 15 33 284 6 M8 6 6 12 M8 Static Pressure Regain [Pa] Static Pressure [Pa] 4 3 2 1-1 -2-3 23 V 19 V 17 V 15 V 125 V 1 V 8 V 5 1 15 2 25 3 35 B Volumenstrom Air flow volume [m³/h] The data for external static pressure take into account all pressure losses due to integration of the fan within unit. Performance based upon free inlet and discharge. Max. power consumption,85 kw Max. current consumption 3,3 A I A / I N : 1,5 Static Pressure Regain B can be read from the performance curve. It is available when the unit is fitted with a straight discharge duct, sized according too the standard connection size B. Minimum duct length neccessary: 1,2 m Voltage [V] 8 1 125 15 17 19 23 At free air [m³/h] and [A] External static pressure pst [Pa] available for AHU and system pressure losses 5 1 15 2 25 3 35 1. line: Air Flow Volume V L [m³/h] bei ρ = 1,2 kg/m³ 2. line: Current consumption [Pa] 787 593 349 67 1,54 1,49 1,42 1,33 1195 111 822 617 376 1,95 1,84 1,73 1,62 1,5 166 151 1324 1124 89 598 178 2,41 2,28 2,14 1,98 1,8 1,61 1,43 23 1876 1728 1548 1315 98 473 2,7 2,58 2,44 2,29 2,1 1,86 1,57 2339 2185 211 186 1555 123 775 168 2,91 2,77 2,62 2,45 2,26 2,3 1,76 1,52 2574 2248 243 1787 1445 933 254 3,4 2,77 2,61 2,42 2,19 1,89 1,62 2931 2352 283 1737 1246 518 3,24 2,84 2,67 2,47 2,22 1,95 Save power and even more silent with FISCHBACH SPEED CONTROLLERS Average Discharge-Air-Velocity v [m/s] related to standard connection size B Max. permissable Air Inlet Temperature: 6 C 16 Voltage Control Type Order-No. Stepless - 1% and 1% - * FDR 55 6163 Stepwise, 7 Steps * FDR 42 621 FISCHBACH-AUTOMATIC-CONTROL * FRA 55 6252 * with integrated motor protection and outlet fuses
Size 1 Ventilator Unit VN 12 Power Supply: 23V/1N~ 5 Hz with Pressure / Air Volume Performance, Selection of Speed Controllers FISCHBACH COMPACT FAN D64/E35 33 Discharge 15 Inlet 284 6 M8 6 6 12 M8 Static Pressure Regain [Pa] Static Pressure [Pa] 5 4 3 2 1-1 -2-3 8 V 23 V 19 V 17 V 5 1 15 2 25 3 35 Volumenstrom Air flow volume [m³/h] Average Discharge-Air-Velocity v [m/s] related to standard connection size B 15 V 125 V 1 V B The data for external static pressure take into account all pressure losses due to integration of the fan within unit. Performance based upon free inlet and discharge. Max. power consumption 1,1 kw Max. current consumption 4,4 A I A / I N : 1,7 Static Pressure Regain B can be read from the performance curve. It is available when the unit is fitted with a straight discharge duct, sized according too the standard connection size B. Minimum duct length neccessary: 1,2 m Voltage [V] 8 1 125 15 17 19 23 At free air [m³/h] and [A] External static pressure pst [Pa] available for AHU and system pressure losses 1 15 2 25 3 35 4 1. line: Air Flow Volume V L [m³/h] bei ρ = 1,2 kg/m³ 2. line: Current consumption [Pa] 124 585 315 2,42 2,11 1,97 1447 198 898 668 374 2,88 2,6 2,42 2,23 2,3 1916 1626 1444 1221 933 547 87 3,4 3,1 2,91 2,68 2,42 2,12 1,91 235 261 1882 1667 1392 118 56 3,74 3,42 3,23 3,2 2,76 2,45 2,11 278 2465 2271 237 174 1331 746 4,6 3,73 3,53 3,31 3,4 2,71 2,33 2886 2575 2386 2182 1886 152 995 337 4,5 3,76 3,58 3,41 3,16 2,89 2,57 2,29 324 2879 2665 242 2128 1766 1287 612 4,41 4,16 4,3 3,88 3,71 3,53 3,33 3,14 Save power and even more silent with FISCHBACH SPEED CONTROLLERS Voltage Control Type Order-No. Stepless - 1% and 1% - * FDR 55 6163 Stepwise, 7 Steps * FDR 75 622 Max. permissable Air Inlet Temperature: 6 C 17 FISCHBACH-AUTOMATIC-CONTROL * FRA 55 6252 * with integrated motor protection and outlet fuses
Size 1 Ventilator Unit VN 13 Power Supply: 23V/1N~ 5 Hz with Pressure / Air Volume Performance, Selection of Speed Controllers FISCHBACH COMPACT FAN DS6-74/E35 Discharge Inlet 15 33 284 6 M8 6 6 12 M8 5 4 3 23 V 19 V 17 V 15 V 125 V 1 V The data for external static pressure take into account all pressure losses due to integration of the fan within unit. Performance based upon free inlet and discharge. Max. power consumption 1,4 kw Max. current consumption 5,5 A I A / I N : 1,7 Static Pressure Regain B can be read from the performance curve. It is available when the unit is fitted with a straight discharge duct, sized according too the standard connection size B. Minimum duct length neccessary: 1,2 m Static Pressure Regain [Pa] Static Pressure [Pa] 2 1-1 -2-3 8 V 5 1 15 2 25 3 35 B Volumenstrom Air flow volume [m³/h] Voltage [V] 8 1 125 15 17 19 23 At free air [m³/h] and [A] External static pressure pst [Pa] available for AHU and system pressure losses 1 2 25 3 35 4 45 1. line: Air Flow Volume V L [m³/h] bei ρ = 1,2 kg/m³ 2. line: Current consumption [Pa] 973 496 2,7 2,4 138 14 619 384 3,25 2,98 2,65 2,46 1798 1554 126 176 848 523 3,91 3,62 3,28 3,6 2,82 2,51 2286 256 1772 1598 1385 117 66 4,15 3,87 3,56 3,38 3,18 2,93 2,58 2656 2153 1978 1764 1478 112 36 4,8 4,9 3,87 3,62 3,32 2,9 2,26 36 2419 231 213 175 144 821 5,7 4,31 2,53 3,85 3,59 3,28 2,85 3445 2635 2412 2147 1813 1322 5,44 4,61 4,42 4,21 3,98 3,7 Save power and even more silent with FISCHBACH SPEED CONTROLLERS Average Discharge-Air-Velocity v [m/s] related to standard connection size B Max. permissable Air Inlet Temperature: 6 C 18 Voltage Control Type Order-No. Stepless - 1% and 1% - * FDR 8 6164 Stepwise, 7 Steps * FDR 75 622 FISCHBACH-AUTOMATIC-CONTROL * FRA 8 6253 * with integrated motor protection and outlet fuses
Size 1 Ventilator Unit VN 14 Power Supply: 23V/1N~ 5 Hz with Pressure / Air Volume Performance, Selection of Speed Controllers FISCHBACH COMPACT FAN DS6-74/E65 33 Discharge 15 Inlet 284 6 M8 6 6 12 M8 5 4 3 23 V 19 V 17 V 15 V 125 V 1 V The data for external static pressure take into account all pressure losses due to integration of the fan within unit. Performance based upon free inlet and discharge. Max. power consumption 1,3 kw Max. current consumption 5,6 A I A / I N : 1,7 Static Pressure Regain B can be read from the performance curve. It is available when the unit is fitted with a straight discharge duct, sized according too the standard connection size B. Minimum duct length neccessary: 1,2 m Static Pressure Regain [Pa] Static Pressure [Pa] 2 1-1 -2 8 V 5 1 15 2 25 3 35 4 B Volumenstrom Air flow volume [m³/h] Voltage [V] 8 1 125 15 17 19 23 At free air [m³/h] and [A] External static pressure pst [Pa] available for AHU and system pressure losses 1 2 25 3 35 4 45 1. line: Air Flow Volume V L [m³/h] bei ρ = 1,2 kg/m³ 2. line: Current consumption [Pa] 159 693 27 26 2,59 2,59 2,59 2,59 1492 1224 926 755 551 258 3,23 3,9 2,94 2,85 2,74 2,58 254 184 1581 1424 1238 997 618 31 4, 3,81 3,6 3,49 3,36 3,2 2,99 2,75 259 2393 2149 1997 181 1561 1142 58 4,58 4,4 4,18 4,6 3,92 3,74 3,49 3,22 2992 2774 258 2347 2155 1913 1562 1154 4,95 4,76 4,54 4,41 4,27 4,1 3,88 3,66 3319 372 2773 2594 2384 2125 1771 138 5,23 5,3 4,8 4,67 4,53 4,36 4,15 3,94 3752 3476 315 296 2743 2487 2165 1831 5,6 5,4 5,18 5,6 4,93 4,77 4,59 4,42 Save power and even more silent with FISCHBACH SPEED CONTROLLERS Average Discharge-Air-Velocity v [m/s] related to standard connection size B Max. permissable Air Inlet Temperature: 6 C 19 Voltage Control Type Order-No. Stepless - 1% and 1% - * FDR 8 6164 Stepwise, 7 Steps * FDR 75 622 FISCHBACH-AUTOMATIC-CONTROL * FRA 8 6253 * with integrated motor protection and outlet fuses
Size: 1, Module depth 6 mm The unit sides marked by arrow are open Air Heater Unit LW for medium pump circulated water PWW 35 3 25 air pressure loss LW3 pressure loss [Pa] 2 15 1 5 LW2 LW1 5 1 15 2 25 3 35 pressure loss [kpa] 2 18 water pressure loss 16 14 LW 2 LW 3 12 1 LW 1 8 6 4 2,,5 1, 1,5 2, 2,5 3, water quantity [m3/h] The formula for calculation of heating performance [kw] of air heater is dependant on air flow volume and the air temperature difference (between air on-coil and air off-coil, to be taken out of following diagrams) is as follows: Q h [kw] = V L /36 x (t LA - t LE ) x ρ L x cp L Q h = heating performance [kw] V L = t LA = air temperature off-coil [ C] t LE = air temperature on-coil [ C] ρ L = specific weight of air = 1,2 [kg/m³] cp = specific heat capacity of air = 1, [kj/kg K] 2
Size: 1, Module depth 6 mm Air Heater Unit LW for medium pump circulated water Heating performance for water temperature on-/off-coil 55/45 C 35 air temperature off-coil [ C] air temperature off-coil [ C] air temperature off-coil [ C] 3 25 2 15 1 5-5 4 8 12 16 2 24 28 5 4 3 2 1 5 4 3 2 air flow volume[m 3 /h] LW 1 LW 2 4 8 12 16 2 24 28 air flow volume[m 3 /h] LW 3 1 4 8 12 16 2 24 28 C - 1 C C - 1 C C - 1 C air temperature on-coil [ C] air temperature on-coil [ C] air temperature on-coil [ C] 21
Size: 1, Module depth 6 mm Air Heater Unit LW for medium pump circulated water Heating performance for water temperature on-/off-coil 7/5 C 4 air temperature off-coil [ C] air temperature off-coil [ C] air temperature off-coil [ C] 35 3 25 2 15 1 5 4 8 12 16 2 24 28 5 4 3 2 1 5 45 4 35 3 25 2 LW 1 LW 2 4 8 12 16 2 24 28 LW 3 4 8 12 16 2 24 28 C - 1 C C - 1 C C - 1 C air temperature on-coil [ C] air temperature on-coil [ C] air temperature on-coil [ C] 22
Size: 1, Module depth 6 mm Air Heater Unit LW for medium pump circulated water Heating performance for water temperature on-/off-coil 8/6 C 5 45 air temperature off-coil [ C] air temperature off-coil [ C] air temperature off-coil [ C] 4 35 3 25 2 15 1 5 6 55 5 45 4 35 3 25 4 8 12 16 2 24 28 LW 1 2 4 8 12 16 2 24 28 65 6 55 5 45 4 35 3 25 2 L W 2 LW 3 4 8 12 16 2 24 28 C - 1 C C - 1 C C - 1 C air temperature on-coil [ C] air temperature on-coil [ C] air temperature on-coil [ C] 23
Size: 1, Module depth 6 mm The unit sides marked by arrow are open! LK LKV Air Cooler Units LK and LKV for cooling medium chilled water KKW Water temperature on-/off-coil 6/1 or 6/12, without glykol The required amount of water can be calculated with the formula: V W [m³/h] = (Q h x 36)/( t W x c W x ρ W ) air temperature off-coil [ C] air temperature off-coil [ C] pressure loss [kpa] pressure loss [Pa] Q h = cooling performance [KW] V W = quantity of water [m³/h] t W = water temperature difference [Kelvin] (4K at 6/1 C or 6K at 6/12 C) ρ W = specific weight of water = 1 [kg/m³] c W = specific heat capacity of water = 4,19 [kj/kg K] 3 25 air pressure loss 2 15 1 5 5 1 15 2 3 2 1 air flow volume[m³/h], 1, 2, 3, 4, 5, 6, 19 17 15 13 11 9 7 5 25 23 21 19 17 15 13 11 9 7 5 water pressure loss chilled water 6/1 C air on-coil: 32 C, 4%, r.f. LK 2 water quantity[m³/h] 24 LK 4 LK 6 4 8 12 16 2 24 28 chilled water 6/12 C air on-coil: 32 C, 4%, r.f. LK 2 LK 4 4 8 12 16 2 24 28 LK 6 LK 6 LK 4 LK 2 LK 2 LK 4 LK 6
Size: 1, Module depth 6 mm The unit sides marked by arrow are open! Air Mixer Unit LJ and LM for AHU with supply and extract air arranged on top of each other 2 18 16 pressure loss of each air flow outside air with damper size A 14 LJ LM pressure loss [Pa] 12 1 8 6 Damper size A: 512 x 512 mm inner size 4 2 1 2 3 Air Mixer Unit CLM for AHU with supply and extract air arranged in row 2 18 16 pressure loss of each air flow outside air with damper size A 14 supply air fresh air exhaust air extract air pressure loss [Pa] 12 1 8 6 4 2 1 2 3 Note for units type LJ, LM and CLM: Pressure loss of Air Mixing Units is calculated on base free air. That means, for connected duct of same cross section no additional dynamical intake losses have to be considered. In case of pressure side connection with a ventilator unit the resulting pressure regain is bigger than the pressure loss. Therefore, no statical pressure loss needs to be considered. 25
6 Standard Series Size: 1, Module depth 6 mm Combinated Activated Carbon Filter Unit AKCF for elimination of dust and undesireable odours 6 pressure loss [Pa] equipped with: 1. Activated carbon filter with 9 filter cartridges (bayonet fixing) 2. Pocket filter, quality class F7 (EU7), length 6mm Total air resistance of combinated filter unit is a sum of pressure drops of the filter steps 1 and 2. Therefore, the pressure loss of filter EU7 has to be added separately 14 to below values for activated carbon filter (to be found in diagram for the respective filter module). 16 14 air resistance of activated 12 carbon filter only 1 8 6 operative range 4 2 4 6 8 1 12 14 16 18 The unit sides marked by arrow are open! Coarse Filter Unit GF 35 equipped with: 3 Filter steps: 2 Metal mat work filter and 1 Fibre mat filter with an exchange frame (regularly cleaning required) 25 pressure loss [Pa] 2 15 1 5 air resistance of filter unit operative range 2 4 6 8 1 12 14 16 Dampers and Flexible Connections Damper type A : for total cross section unit 512 mm width (B) x 512 mm height (H) Flexible Connection: to be used for outlet- and inlet side type A : 512 mm width (B) x 512 mm height (H) for total cross section of unit. 26
Size: 1, Module depth 6 mm The unit sides marked by arrow are open! Electric Air Heater Unit LE for 4V/5Hz operating voltage Heating performance, pressure loss and air temperature on-/off-coil Type LE 6,6 (kw), 8 elements, current max. 9,5 A, 3 switching levels Type LE 13,1 (kw), 16 elements, current max. 19, A, 3 switching levels Type LE 19,7 (kw), 24 elements, current max. 28,4 A, 3 switching levels pressure loss [Pa] air temperature off-coil [ C] air temperature off-coil [ C] air temperature off-coil [ C] 16 14 12 1 8 6 4 2 5 4 3 2 1-1 -2 9 8 7 6 5 4 3 2 1-1 12 1 8 6 4 2 air pressure loss 1. type LE 6,6 2. type LE 13,1 3. type LE 19,7 5 1 15 2 25 3 35 5 1 15 2 25 3 35 27 Electric Heater type LE 6,6 Electric Heater type LE 13,1 5 1 15 2 25 3 35 Electric Heater type LE 19,7 5 1 15 2 25 3 35 3 2 1 + 1 C C - 1 C + 1 C C - 1 C + 1 C C - 1 C air temperature on-coil [ C] air temperature on-coil [ C] air temperature on-coil [ C]
Size: 1, Module depth 6 mm The unit sides marked by arrow are open! Air Filter Unit KFS with short pocket (195mm) Technical data and resistance: Air Filter Unit with: short pocket pressure loss [Pa] 145 14 135 13 125 12 115 11 15 1 air resistance of filters filter class F5 (EU5) 5 1 15 2 25 3 F5 195 mm pressure loss [Pa] 2 18 16 14 12 1 air resistance of filters filter class F7 (EU7) F7 6 mm 5 1 15 2 25 3 only to be used in connection with activated carbon filter unit! 28
Size: 1 Sound data for Ventilator Unit VN 11 - VN 13 VN 11 Fan: D 54/E 25 *sound pressure level L p in db (A) voltage [V] 8 1 125 15 17 19 23 inlet 4 46 53 58 61 63 66 discharge 41 48 54 6 63 65 68 * related to room absorption of 8 db (25m² Sabine), at free air! measured in distance of 3 m inlet side: sound power level in Lw [db] at mid frequency in (Hz) (at free air!) L WA [db(a)] discharge side: sound power level in Lw [db] at mid frequency in (Hz) (at free air!) L WA [db(a)] voltage [Volt] 63 125 25 5 1 2 4 8 total 45-112 voltage [Volt] 63 125 25 5 1 2 4 8 total 45-112 8 46 41 41 46 43 38 37 32 48 8 47 43 43 48 44 4 38 33 49 1 51 47 48 52 49 45 43 39 54 1 52 49 49 54 51 46 45 4 56 125 56 54 54 59 56 52 5 46 61 125 58 56 56 6 58 54 52 47 62 15 6 59 59 63 61 58 56 51 66 15 62 61 61 65 63 59 57 53 67 17 63 62 62 66 65 61 59 54 69 17 64 64 64 68 66 63 61 56 71 19 64 64 64 68 67 63 61 56 71 19 66 66 66 7 69 65 63 58 73 23 67 67 67 71 7 66 64 59 74 23 69 69 69 73 72 68 66 61 76 VN 12 Fan: D 64/E 35 *sound pressure level L p in db (A) voltage [V] 8 1 125 15 17 19 23 inlet 4 48 56 61 64 66 68 discharge 42 49 57 63 66 68 7 * related to room absorption of 8 db (25m² Sabine), at free air! measured in distance of 3 m inlet side: sound power level in Lw [db] at mid frequency in (Hz) (at free air!) L WA [db(a)] discharge side: sound power level in Lw [db] at mid frequency in (Hz) (at free air!) L WA [db(a)] voltage [Volt] 63 125 25 5 1 2 4 8 total 45-112 voltage [Volt] 63 125 25 5 1 2 4 8 total 45-112 8 46 42 42 47 43 39 37 33 48 8 48 43 43 48 45 4 39 34 5 1 52 49 49 54 51 47 45 4 56 1 54 5 51 55 52 48 47 42 57 125 58 57 57 61 59 55 53 49 63 125 6 58 59 63 61 57 55 5 65 15 63 62 62 66 65 61 59 54 69 15 64 64 64 68 66 63 61 56 71 17 65 65 65 69 68 64 62 57 72 17 67 67 67 71 7 66 64 59 74 19 67 67 67 71 7 67 65 6 74 19 69 69 69 73 72 68 66 62 76 23 69 69 69 73 72 69 67 62 76 23 7 71 71 75 74 71 69 64 78 VN 13 Fan: DS 6-74/E 35 *sound pressure level L p in db (A) voltage [V] 8 1 125 15 17 19 23 inlet 4 46 53 57 6 62 65 discharge 44 51 57 62 65 67 7 * related to room absorption of 8 db (25m² Sabine), at free air! measured in distance of 3 m inlet side: sound power level in Lw [db] at mid frequency in (Hz) (at free air!) L WA [db(a)] discharge side: sound power level in Lw [db] at mid frequency in (Hz) (at free air!) L WA [db(a)] voltage [Volt] 63 125 25 5 1 2 4 8 total 45-112 voltage [Volt] 63 125 25 5 1 2 4 8 total 45-112 8 45 41 41 46 43 39 37 32 48 8 5 46 46 51 47 43 42 37 52 1 51 48 48 53 5 46 44 39 54 1 55 52 53 57 54 5 49 44 59 125 55 54 54 58 56 52 5 45 61 125 6 58 59 63 61 57 55 5 65 15 59 58 59 63 61 57 55 51 65 15 64 63 63 67 66 62 6 55 7 17 61 61 61 65 64 6 58 53 68 17 66 66 66 7 69 65 63 58 73 19 63 63 63 67 66 62 6 55 7 19 68 68 68 72 71 67 65 6 75 23 65 66 66 69 69 65 63 58 73 23 7 71 71 74 74 7 68 63 78 76
Size: 1 Sound data for Ventilator Unit VN 14 VN 14 Fan: DS 6-74/E 65 *sound pressure level L p in db (A) voltage [V] 8 1 125 15 17 19 23 inlet 39 45 51 56 58 61 64 discharge 43 5 55 6 63 66 69 * related to room absorption of 8 db (25m² Sabine), at free air! measured in distance of 3 m inlet side: sound power level in Lw [db] at mid frequency in (Hz) (at free air!) L WA [db(a)] discharge side: sound power level in Lw [db] at mid frequency in (Hz) (at free air!) L WA [db(a)] voltage [Volt] 63 125 25 5 1 2 4 8 total 45-112 voltage [Volt] 63 125 25 5 1 2 4 8 total 45-112 8 44 4 4 45 42 37 36 31 47 8 49 44 45 5 46 42 4 35 51 1 49 46 47 51 48 44 43 38 53 1 54 51 51 56 53 49 47 42 58 125 54 52 52 57 54 5 49 44 59 125 59 57 57 61 59 55 53 48 63 15 58 57 57 61 59 55 53 49 64 15 62 61 62 66 64 6 58 53 68 17 6 59 6 63 62 58 56 51 66 17 65 64 64 68 67 63 61 56 71 19 62 62 62 66 64 61 59 54 69 19 67 66 67 7 69 66 64 59 74 23 65 65 65 69 68 65 62 58 72 23 7 7 7 74 73 7 67 62 77 77