DX Condensing Units for both cooling and heat pump applications

DX for both cooling and heat pump applications 3

VES Andover offer a comprehensive range of condensing units for both cooling only and heat pump application, designed to match your VES air handling unit. Both outdoor and plantroom units are available. Duty range from 5.0kw to 431.0kw. VES offer you a choice - from budget no frills units to high spec. super quiet units. All have nationwide service back up. Comprehensive technical and installation instructions provided for all units. A C E PRODUCT GUIDE A Super quiet running, sophisticated control functions and low running costs. Cooling only and heat pump option. Duty range 9.4kw to 94.7 kw. C Vertical indoor condensing units with centrifugal fan for ducted discharge. Cooling only and heat pump option. Duty range 19.4kw to 111.6kw. E High spec. units with dual compressors in tandem providing up to six steps of control from only two refrigerant circuits. Ultra quiet operation. Duty range 46.3kw to 431.0kw. H H Budget range of condensing and heat pump units. Duties from 5.2kw to 17.5kw. For the air that we breathe VES Andover Limited Eagle Close, Chandlers Ford Industrial Estate, Chandlers Ford, Eastleigh, Hampshire SO53 4NF Tel: 08702 40 43 40 Fax: 08702 40 45 50 e-mail: vesltd@ves.co.uk www.ves.co.uk VES reserve the right to amend product specifications and details without notice. 2003 VES Andover Ltd. Leaflet No. 795-8/03 2 ISO 9001-2000 Cert. No. Q5375

Budget range 5.0-17.5 kw. Standard Features Cooling only and heat pump options. R407C refrigerant. Hermetic scroll compressors in all models. H Optional Extras Crankcase heater. Filter dryer. HP/LP switch protection. All units: 1 refrigerant circuit, 1 compressor, 1 fan. Galvanised steel case with powder coat paint finish, colour beige. BS, CE and PED compliant. Technical Details VECON Cooling Cooling Heating Supply No. No. of No. of Power Maximum Maximum Model capacity capacity capacity voltage of compressors/ capacity consumption current starting kw kw kw circuits fans steps kw amps current evap.5 C evap.8 C amps H 18/C* 5.2 5.7-230v, 1 ph 1 1/1 1 1.8 9.7 48.9 H 24/C* 7.1 8.0-230v, 1 ph 1 1/1 1 2.3 11.3 61.9 H 36/C-1* 9.8 10.9-230v, 1 ph 1 1/1 1 3.4 16.4 98.9 H 36/C-3 9.8 10.9-400v, 3 ph 1 1/1 1 3.6 7.0 47.0 H 48/C 12.3 13.7-400v, 3 ph 1 1/1 1 4.8 9.8 66.1 H 65/C 15.8 17.5-400v, 3 ph 1 1/1 1 5.9 9.8 76.1 H 24/P* 7.1 8.0 4.6 230v, 3 ph 1 1/1 1 2.3 11.3 61.9 H 36/P-1* 9.8 10.9 7.0 230v, 1 ph 1 1/1 1 3.4 16.4 98.9 H 36/P-3 9.8 10.9 7.0 400v, 3 ph 1 1/1 1 3.6 7.0 47.0 H 48/P 12.3 13.7 8.7 400v, 3 ph 1 1/1 1 4.8 9.8 66.1 H 65/P 15.8 17.5 11.7 400v, 3 ph 1 1/1 1 5.9 9.8 76.1 C units - cooling only, P units - heat pump. Cooling capacity based on evaporating at +5 C or +8 C with ambient temperature of 30 C. * supply voltage 230V, 1 Ph, 50Hz, otherwise 400V. 3 Ph, 50Hz. All condenser fans 230V, 1 Ph, 50Hz. W x L Dimensions SIDE VIEW Height 51 Air inlet to all sides PLAN VIEW VECON Model Height W x L Weight (mm) (mm) (kgs) H 18/C, H24/C, H24/P 635 616 67 H 36/C, H 36/P 838 616 75 H 48/C, H48/P 838 616 89 H 65/C, H 65/P 946 718 96 Sound Levels PWL, db, re 10-12 watts VECON dba dba 63 125 250 500 1000 2000 4000 8000 Model @ 3 metres @ 10 metres Hz Hz Hz Hz Hz Hz Hz Hz H 18/C 53 43 70 68 69 68 67 67 60 56 H 24/C 53 43 71 69 68 67 68 67 60 58 H 36/C 56 46 70 68 72 69 71 66 61 62 H 48/C 60 50 82 80 76 78 73 71 66 61 H 65/C 61 51 82 80 76 76 74 73 69 65 H 24/P 53 43 71 69 68 67 68 67 60 58 H 36/P 56 46 70 68 72 69 71 66 61 62 H 48/P 60 50 82 80 76 78 73 71 66 61 H 65/P 61 51 82 80 76 76 74 73 69 65 3 2003 VES Andover Ltd.

Low noise, high specification duty range 9.4 to 94.7kW A Standard Features Cooling only and heat pump option R407C refrigerant Galvanised and painted to RAL 9010 Hermetic scroll compressors Quiet operation HP/LP protection Common fault indication Remote on/off Optional Extras On/off condenser head pressure control (low ambient kit) includes crank case heater Proportional condenser head pressure control (low ambient kit) includes crank case heater Mains switch (only on models 24E to 86D) Phase sequence protection Soft starter (reducing peak compressor starting current by 40%) Hot gas bypass valve (only on models 24E to 86D) Condenser coil protection grille (Note: standard on models 10E to 22E) Coil fin anti-corrosion protection (for aggressive environments) Anti vibration mounts (rubber) Low noise kit (comprising of compressor acoustic jacket and proportional head pressure control) Service valves (10E - 22E with flared connections, 24E to 86D with welded connections) R407C refrigerant pre-charged at factory (includes service valves) but does not allow for system charge of refrigerant (for connection lines) Performance Data VECON Cooling Cooling Heating No. of No. of No. of Power Maximum Maximum Model* capacity capacity capacity circuits compressors capacity consumption current starting kw when kw when kw /fans steps kw amps current evap. 5 C evap. 8 C amps A10E 9.4 10.6-1 1/1 1 2.7 9.7 46.0 A12E 11.9 13.5-1 1/2 1 3.2 12.5 50.0 A16E 14.1 15.9-1 1/2 1 4.2 15.4 66.0 A18E 16.9 19.0-1 1/2 1 4.8 18.4 74.0 A22E 18.5 20.9-1 1/2 1 5.7 20.7 101.0 A24E 21.0 23.7 19.2 1 1/2 1 5.9 15.6 100.6 A32E 29.2 32.9 25.8 1 1/1 1 8.8 24.5 130.5 A38E 36.1 40.7 31.7 1 1/1 1 10.8 29.1 161.5 A43E 41.0 46.0 37.0 1 1/1 1 13.5 33.5 192.5 A48D 41.6 47.0 38.4 2 2/2 2 12.7 34.0 119.0 A64D 58.3 65.8 51.7 2 2/2 2 17.6 49.0 155.0 A76D 72.1 81.4 63.4 2 2/2 2 21.6 58.2 190.6 A86D 84.0 94.7 74.0 2 2/2 2 25.9 67.0 226.0 *Model no s: add suffix C for cooling only or P for heat pump operation. Cooling capacity based on evaporating at +5 C or +8 C with ambient temperature of 30 C. Heating capacity kw when ambient 0 C. All units supply voltage 400 volt 3 phase 50Hz, plus neutral. All condensing units are supplied with a nitrogen holding charge as standard. 4

A A48D condenser with low noise kit fitted to compressors. Dimensions & Weights VECON Length Height Depth Weight Liquid line connection Suction line connection Model mm mm mm kg size (inches) size (inches) A10E 973 931 333 73 ³ ₈ ³ ₄ A12E 973 1235 333 99 ³ ₈ ³ ₄ A16E 973 1235 333 109 ³ ₈ ³ ₄ A18E 973 1235 386 130 ¹ ₂ ⁷ ₈ A22E 973 1235 386 131 ¹ ₂ ⁷ ₈ A24E 1195 1375 660 225 ⁵ ₈ 1¹ ₈ A32E 980 1375 1195 250 ⁵ ₈ 1¹ ₈ A38E 980 1375 1195 270 ³ ₄ 1³ ₈ A43E 980 1375 1195 300 ⁷ ₈ 1⁵ ₈ A48D 1960 1375 1195 485 2 x ⁵ ₈ 2 x 1¹ ₈ A64D 1960 1375 1195 490 2 x ⁵ ₈ 2 x 1¹ ₈ A76D 1960 1375 1195 530 2 x ³ ₄ 2 x 1³ ₈ A86D 1960 1375 1195 590 2 x ⁷ ₈ 2 x 1⁵ ₈ Noise Data VECON Sound power spectrum PWL db(a) weighted Sound Sound Model 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz pressure pressure 3m db(a) 10m db(a) A10E Standard 68.0 69.4 67.7 66.9 65.8 64.0 62.4 52.0 53 43 With low noise kit 59.0 61.2 61.0 61.9 60.8 61.7 54.4 50.0 49 39 A12E Standard 71.0 72.4 70.7 70.1 69.3 66.9 65.0 55.0 56 46 With low noise kit 61.0 62.5 64.2 65.5 65.3 63.4 58.2 53.0 52 42 A16E Standard 71.0 72.4 70.7 70.2 69.9 67.5 64.5 55.0 57 47 With low noise kit 61.0 62.6 64.1 66.6 66.3 63.7 58.7 53.0 52 42 A18E Standard 71.0 72.4 70.7 70.2 69.8 68.4 65.2 58.0 57 47 With low noise kit 62.0 62.8 63.4 65.8 65.5 63.3 59.8 53.0 52 42 A22E Standard 71.0 72.4 70.7 70.2 70.5 69.5 66.6 58.0 58 48 With low noise kit 62.0 65.4 65.9 65.6 65.9 65.2 62.5 54.0 53 43 A24E Standard 77.6 64.8 61.2 70.4 68.8 70.5 66.3 58.5 57 47 With low noise kit 65.0 59.0 60.0 67.4 64.4 65.6 62.0 55.0 53 43 A32E Standard 78.1 78.7 70.8 72.8 76.5 75.7 67.7 62.4 63 53 With low noise kit 71.0 70.0 65.0 68.5 69.0 68.7 61.9 54.0 56 46 A38E Standard 78.1 78.5 70.6 73.6 75.6 76.5 71.6 62.5 63 53 With low noise kit 73.0 70.0 65.0 67.2 68.0 70.3 65.8 54.7 57 47 A43E Standard 78.1 78.6 70.8 75.9 76.6 78.9 71.6 62.8 65 55 With low noise kit 74.0 72.0 65.0 70.9 70.0 72.4 64.9 55.0 58 48 A48D Standard 84.7 71.9 67.9 74.1 72.5 73.8 69.5 57.0 61 51 With low noise kit 68.0 62.0 63.0 70.4 67.4 68.6 65.0 55.0 56 46 A64D Standard 81.1 81.7 73.8 73.8 79.5 78.7 70.7 65.4 66 56 With low noise kit 74.0 73.0 68.0 68.0 72.0 71.7 64.9 57.0 59 49 A76D Standard 81.1 81.5 73.6 76.6 78.6 79.5 74.6 65.5 66 56 With low noise kit 76.0 73.0 68.0 70.2 71.0 73.3 68.8 57.7 60 50 A86D Standard 81.1 81.6 73.8 78.9 79.6 81.9 74.6 65.8 68 58 With low noise kit 77.0 75.0 68.0 73.9 73.0 75.4 67.9 58.0 61 51 5 2003 VES Andover Ltd.

Low noise, high specification condensing units Standard Features Optional Extras E Standard, low noise and super low noise options R407C refrigerant Galvanised and fully painted to RAL 9010 Hermetic scroll compressors Unique design providing up to six steps of control with 2 refrigerant circuits User friendly microprocessor control - STD/LN models User friendly microprocessor control with digital display - SLN models (option on STD/LN models) HP/LP protection Duty sharing compressors ensures longer life Compressor anticycling protection Volt free contact for remote failure indication Lifting eyes for simple plant handling Performance Data 6 Condenser coil fin protection treatment - Alucoat Epoxy coating HP/LP liquid filled gauges Electronic soft starters IP55 control panel Anti vibration mounts: spring or rubber Removable core filter drier Compressor acoustic enclosure with access panels Compressor suction valve Compressor discharge valve In line sight glass Multi unit controller - digital display to control up to 8 units Crank case heaters Door interlocked main on/off switch Condenser coil protection grille VECON Cooling Cooling Power Power Maximum Maximum No. of No. of No. of Model capacity capacity consumption consumption current starting circuits compressors capacity kw kw kw when kw when amps current /fans steps evap. 5 C evap. 8 C evap. 5 C evap. 8 C amps E040SLN 46.3 50.5 11.9 12.2 32 120 1 2/2 2 E045SLN 53.2 57.9 14.5 14.9 40 145 1 2/2 2 E065SLN 73.4 79.7 21.8 22.6 53 185 1 2/2 2 E075SLN 84.5 91.7 25.9 26.9 63 215 1 2/2 2 E100STD 103.0 111.0 39.8 41.3 80 120 1 3/2 3 E100LN 109.0 118.0 36.5 37.6 80 220 1 3/2 3 E100SLN 110.0 120.0 33.3 34.4 78 210 1 3/3 3 E110STD 114.0 123.0 49.2 51.3 97 255 1 3/2 3 E110LN 123.0 133.0 44.4 46.0 96 255 1 3/2 3 E110SLN 127.0 138.0 39.5 40.9 93 245 1 3/3 3 E090DSTD 101.0 109.0 34.9 36.0 80 195 2 4/2 4 E090DLN 102.0 111.0 34.3 35.4 80 195 2 4/2 4 E090DSLN 106.0 116.0 29.7 30.5 90 90 2 4/4 4 E130DSTD 139.0 150.0 52.6 54.5 109 250 2 4/3 4 E130DLN 140.0 159.0 52.1 45.8 108 250 2 4/3 4 E130DSLN 147.0 159.0 44.3 45.8 103 235 2 4/4 4 E150DSTD 155.0 167.0 64.7 67.3 129 290 2 4/3 4 E150DLN 166.0 181.0 58.1 91.3 128 290 2 4/3 4 E150DSLN 169.0 183.0 52.5 54.3 123 275 2 4/4 4 E200DSTD 210.0 227.0 85.8 89.2 169 360 2 4/4 4 E200DLN 223.0 242.0 78.3 80.8 168 360 2 4/4 4 E200DSLN 220.0 239.0 66.4 68.6 154 285 2 6/6 6 E230DSTD 258.0 279.0 108.0 112.0 204 440 2 4/4 4 E230DLN 270.0 292.0 101.0 105.0 203 440 2 4/4 4 E230DSLN 254.0 276.0 79.1 81.9 184 335 2 6/6 6 E300DSTD 312.0 337.0 130.0 135.0 250 445 2 6/6 6 E300DLN 333.0 362.0 118.0 122.0 250 440 2 6/6 6 E300DSLN 329.0 357.0 120.0 124.0 241 420 2 6/8 6 E370DSTD 387.0 418.0 162.0 169.0 304 540 2 6/6 6 E370DLN 405.0 438.0 152.0 158.0 303 540 2 6/6 6 E370DSLN 398.0 431.0 155.0 161.0 293 520 2 6/8 6 Cooling capacity based on evaporating at +5 C or +8 C with ambient temperature of 30 C. All units supply voltage 400V, 3 Ph, 50Hz, plus neutral. Separate 230V, 1 Ph, 50Hz supply required to energise crank case heaters.

Dimensions & Weights VECON Length Height Depth Weight Liquid line connection Suction line connection Model mm mm mm kg size (inches) size (inches) E E040SLN 3304 1940 1054 843 ⁷ ₈ 1⁵ ₈ E045SLN 3304 1940 1054 867 ⁷ ₈ 1⁵ ₈ E065SLN 3304 1940 1054 915 ⁷ ₈ 2¹ ₈ E075SLN 3304 1940 1054 968 ⁷ ₈ 2¹ ₈ E100STD 3304 1912 1054 876 1¹ ₈ 2¹ ₈ E100LN 3304 1940 1054 917 1¹ ₈ 2¹ ₈ E100SLN 4704 1940 1054 1206 1¹ ₈ 2¹ ₈ E110STD 3304 1912 1054 909 1¹ ₈ 2¹ ₈ E110LN 3304 1940 1054 948 1¹ ₈ 2¹ ₈ E110SLN 4704 1940 1054 1272 1¹ ₈ 2¹ ₈ E090DSTD 4704 1912 1054 1142 2 x ⁷ ₈ 2 x 1⁵ ₈ E090DLN 4704 1940 1054 1159 2 x ⁷ ₈ 2 x 1⁵ ₈ E090DSLN 3304 1962 1904 1426 2 x ⁷ ₈ 2 x 1⁵ ₈ E130DSTD 4704 1912 1054 1217 2 x ⁷ ₈ 2 x 2¹ ₈ E130DLN 4704 1940 1054 1236 2 x ⁷ ₈ 2 x 2¹ ₈ E130DSLN 3304 1962 1904 1538 2 x ⁷ ₈ 2 x 2¹ ₈ E150DSTD 4704 1912 1054 1258 2 x ⁷ ₈ 2 x 2¹ ₈ E150DLN 4704 1940 1054 1311 2 x ⁷ ₈ 2 x 2¹ ₈ E150DSLN 3304 1962 1904 1635 2 x ⁷ ₈ 2 x 2¹ ₈ E200DSTD 3304 1934 1904 1718 2 x 1¹ ₈ 2 x 2¹ ₈ E200DLN 3304 1962 1904 1852 2 x 1¹ ₈ 2 x 2¹ ₈ E200DSLN 4704 1962 1904 2108 2 x 1¹ ₈ 2 x 2¹ ₈ E230DSTD 3304 1934 1904 1773 2 x 1¹ ₈ 2 x 2¹ ₈ E230DLN 3304 1962 1904 1910 2 x 1¹ ₈ 2 x 2¹ ₈ E230DSLN 4704 1962 1904 2246 2 x 1¹ ₈ 2 x 2¹ ₈ E300DSTD 4704 1934 1904 2413 2 x 1³ ₈ 2 x 2⁵ ₈ E300DLN 4704 1962 1904 2614 2 x 1³ ₈ 2 x 2⁵ ₈ E300DSLN 6404 2002 1901 3126 2 x 1³ ₈ 2 x 2⁵ ₈ E370DSTD 4704 1934 1904 2479 2 x 1³ ₈ 2 x 3¹ ₈ E370DLN 4704 1962 1904 2668 2 x 1³ ₈ 2 x 3¹ ₈ E370DSLN 6404 2002 1901 3230 2 x 1³ ₈ 2 x 3¹ ₈ All E-Series condensing units are supplied with a nitrogen holding charge. Noise Data VECON Sound power spectrum PWL per octave band db(a) Sound pressure Sound pressure Model 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz 3m db(a) 10m db(a) E040SLN 49 62 69 74 71 66 57 46 57 47 E045SLN 49 62 69 74 71 68 61 46 58 48 E065SLN 49 62 69 75 72 68 63 46 58 48 E075SLN 49 62 69 74 72 69 64 46 58 48 E100STD 47 69 75 84 88 87 85 72 75 65 E100LN 46 67 72 79 83 83 78 67 70 60 E100SLN 51 64 70 76 74 70 65 48 60 50 E110STD 47 69 75 83 88 87 85 72 74 64 E110LN 47 67 72 79 83 83 79 67 70 60 E110SLN 51 64 70 76 74 71 66 48 60 50 E090DSTD 52 69 75 83 87 87 85 72 74 64 E090DLN 51 67 72 78 83 83 78 67 70 60 E090DSLN 52 65 72 77 74 71 64 49 61 51 E130DSTD 48 71 77 85 89 89 86 74 76 66 E130DLN 48 68 73 81 85 85 80 69 72 62 E130DSLN 52 65 72 78 75 71 66 49 61 51 E150DSTD 49 71 77 85 90 89 87 74 76 66 E150DLN 48 68 74 80 85 85 80 69 72 62 E150DSLN 52 65 72 77 75 72 67 49 61 51 E200DSTD 53 72 78 87 91 90 88 75 78 68 E200DLN 53 70 75 83 86 86 82 70 73 63 E200DSLN 54 67 73 79 77 73 68 51 63 53 E230DSTD 51 72 78 88 91 90 88 75 78 68 E230DLN 50 70 75 84 86 86 82 70 73 63 E230DSLN 54 67 73 79 77 74 69 51 63 53 E300DSTD 55 74 80 89 93 92 90 77 80 70 E300DLN 55 71 77 85 88 88 83 72 75 65 E300DSLN 55 68 75 81 79 75 72 52 65 55 E370DSTD 52 74 80 90 93 92 90 77 80 70 E370DLN 52 71 77 86 88 88 83 72 75 65 E370DSLN 55 68 75 81 79 75 71 52 65 55 7 2003 VES Andover Ltd.

C Indoor Ducted Unit Standard Features Vertical free standing condensing unit with centrifugal fan R407C refrigerant Galvanised and fully painted to RAL 9010 Hermetic scroll compressors Quiet operation HP/LP protection Volt free contacts for remote failure indication (fan, compressor 1, compressor 2) Digital input connections for initiating fan and compressors Remote on/off Technical Details VECON Cooling Cooling Heating No. No. No. of Power Max. Max Condenser Available Model capacity capacity capacity of of capacity consumption current starting fan pressure kw evap. kw evap. kw circuits compressors steps kw amps current airflow @given 5 C 8 C amps (m 3 /hr) airflow Pa C22 19.4 22.0 15.2 1 1 1 7.8 16.6 104.7 5600 170 C24 21.3 23.4 17.1 1 1 1 8.8 17.7 107.2 5600 160 C28 25.6 29.1 20.5 1 1 1 10.6 20.1 126.7 5600 140 C32 29.5 32.8 22.9 1 1 1 12.0 26.1 132.1 6500 300 C38 36.2 39.9 27.6 1 1 1 14.6 32.8 165.2 9000 300 C44D 38.9 42.9 30.3 2 2 2 15.6 33.2 121.3 11200 170 C48D 42.5 48.3 34.2 2 2 2 17.8 35.4 120.4 11200 160 C56D 51.2 56.5 40.9 2 2 2 21.2 40.2 146.8 11200 140 C64D 58.9 66.1 45.9 2 2 2 24.0 52.2 158.2 13000 300 C76D 72.5 79.7 55.2 2 2 2 29.2 65.6 198.0 18000 300 C86D* 86.9 97.0 67.3 2 2 2 36.0 78.2 237.2 21000 270 C100D* 100.7 111.6 77.1 2 4 4 43.6 89.4 195.8 23000 360 Model no s.: add suffix C for cooling only or P for heat pump unit. Cooling capacity based on evaporating at +5 C or +8 C with ambient temperature of 30 C. Heating capacity based on 21 C room temperature, -5 C external. All units supply voltage 400 volt 3 phase 50Hz, plus neutral. * Controls as a master and slave arrangement, supplied in 2 sections. All condensing units are supplied with a nitrogen holding charge as standard. Dimensions & Weights VECON Length Height Depth Weight Liquid line connection Suction line connection Model mm mm mm kg size (inches) size (inches) C22 1285 1375 803 205 ⁵ ₈ ⁷ ₈ C24 1285 1375 803 265 ⁵ ₈ ⁷ ₈ C28 1285 1375 803 275 ⁵ ₈ ⁷ ₈ C32 1285 1375 803 280 ⁵ ₈ ⁷ ₈ C38 1410 1440 803 360 ³ ₄ 1³ ₈ C44D 2340 803 1380 400 2 x ⁵ ₈ 2 x ⁷ ₈ C48D 2340 803 1380 520 2 x ⁵ ₈ 2 x 1¹ ₈ C56D 2340 803 1380 540 2 x ⁵ ₈ 2 x 1¹ ₈ C64D 2340 803 1380 545 2 x ⁵ ₈ 2 x 1³ ₈ C76D 2590 803 1445 670 2 x ³ ₄ 2 x 1³ ₈ C86D 2 x 1570 2 x 1445 2 x 803 850 2 x ⁷ ₈ 2 x 1⁵ ₈ C100D 2 x 1570 2 x 1445 2 x 803 900 2 x ⁷ ₈ 2 x 1⁵ ₈ Noise Data Optional Extras On/off condenser head pressure control (low ambient kit) includes crank case heater Mains switch Phase sequence protection Soft starter (reducing peak compressor starting current by 40%) Hot gas bypass Vertical discharge kit High static discharge kit - to 350Pa VECON Sound power spectrum PWL per octave band db(a) weighted Sound pressure Sound pressure Model 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz level 3m db(a) level 10m db(a) C22 65 71 77 77 78 77 71 61 51 C24 64 68 77 77 77 78 72 61 51 C28 64 68 77 77 77 78 72 61 51 C32 63 67 76 76 76 77 72 61 51 C38 67 73 79 81 81 79 74 61 51 C44D 66 72 79 80 81 80 74 61 51 C48D 66 71 80 81 82 80 72 61 51 C56D 67 72 80 81 82 81 73 62 52 C64D 68 73 78 79 81 81 74 62 52 C76D 70 76 82 93 84 82 76 63 53 C86D 68 74 82 83 82 81 75 64 54 C100D 70 78 84 85 85 84 78 65 55