Square Duct Fans - ESTOC Range Features Sizes from 355 to 71 mm diameter Air flow 1,9 m 3 /h (5.2 m 3 /s) Static pressures up to 115 Pa Maximum temperature from +4 C to +7` C (depending on the model) Adjustable external rotor motors Multiple outlet orientations Electrical Supply 22-24V / 5Hz / 1 Ph 38-42V / 5Hz / 3 Ph Sizes 355, 4, 45, 5, 56, 63 and 71. Features and Construction The Estoc casing is made from galvanized sheet steel with PentaPost construction and acoustic insulation made from mineral wool with a thickness of 2 mm. Impeller The Estoc has a backward curved centrifugal impellers made of plastic with galvanised steel support plates for those up to 45 mm. Fans with a diameter of 5 mm and larger have high efficiency backward curved centrifugal impellers made of aluminium. Motor The impellers together with the external rotor motors are dynamically balanced to quality standard G2,5 DIN ISO 1941 Product Code Estoc 5-355-3 ESTOC - Product Name 5 = Box Size ie, 5 = 5mm; 67 = 67mm; 8 = 8mm; 12 = 12mm 355 = Spigot Diameter size 3 = 3 Phase or 1 Phase Accessories The range of accessories include dampers, flexible connectors, service doors, outlet covers, guards, side covering and insulating connections. A quick reference guide is shown below. For full details on these items please see pages 57-62. Speed Controllers Speed is 1% infinitely variable using auto transformers or electronic control (please see page 99). SFC SSC SAD SOC SWR CIG Fläkt Woods FWG-T&DFAN-9542 GB 214.5.22 37 Specifications are subject of alteration without further notice
Electrical Details and Sound Levels Product Code Product Number Speed rpm Motor Frame Electrical Supply Motor (kw) Electrical Current Full Load Current (A) Starting Current (A) Wiring Diagrams Maximum Operating Temp C Breakout **Speed Controllers *Sound Level db(a) Transformer (3m) ESTOC 5-355-1 UB53514 1325 Integral 22-24 V-5 Hz-1 Ph.29 1.25 2.5 CD35 55 33 T ESTOC 5-355-3 BI11216 1355 Integral 38-42V-5 Hz-3 Ph.3.66 2.18 CD33 5 34 I ESTOC 5-355-3 UB53544 1355 Integral 38-42 V-5 Hz-3 Ph.3.66 2.18 CD33 5 34 T ESTOC 67-4-1 UB674414 136 Integral 22-24 V-5 Hz-1 Ph.53 2.4 4.9 CD35 45 45 T ESTOC 67-4-3 BI11217 1335 Integral 38-42V-5 Hz-3 Ph.48.9 2.88 CD33 5 37 I ESTOC 67-4-3 UB67444 1355 Integral 38-42 V-5 Hz-3 Ph.48.9 2.88 CD33 5 37 T ESTOC 67-45-1 UB674514 127 Integral 22-24 V-5 Hz-1 Ph.76 3.5 7.35 CD35 45 41 T ESTOC 67-45-3 BI11218 124 Integral 38-42V-5 Hz-3 Ph.67 1.33 3.46 CD33 5 37 I ESTOC 67-45-3 UB674544 124 Integral 38-42 V-5 Hz-3 Ph.67 1.33 3.46 CD33 5 37 T ESTOC 67-5-1 UB675514 131 Integral 22-24 V-5 Hz-1 Ph 1.57 7.3 16.79 CD35 4 45 T ESTOC 67-5-3 BI11219 138 Integral 38-42V-5 Hz-3 Ph 1.8 3.7 17.76 CD33 4 44 I ESTOC 67-5-3 UB67544 138 Integral 38-42 V-5 Hz-3 Ph 1.8 3.7 17.76 CD33 4 44 T ESTOC 8-56-3 BI1122 135 Integral 38-42V-5 Hz-3 Ph 2.5 4.8 2.16 CD33 4 47 I ESTOC 8-56-3 UB85644 135 Integral 38-42 V-5 Hz-3 Ph 2.5 4.8 2.16 CD33 4 44 T ESTOC 8-63-3 BI11221 138 Integral 38-42V-5 Hz-3 Ph 3.65 6.6 27.72 CD33 45 55 I ESTOC 8-63-3 UB86344 138 Integral 38-42 V-5 Hz-3 Ph 3.65 6.6 27.72 CD33 45 55 T ESTOC 12-71-3 BI11222 89 Integral 38-42V-5 Hz-3 Ph 2.45 4.7 18.8 CD33 45 49 I ESTOC 12-71-3 UB17166 89 Integral 38-42 V-5 Hz-3 Ph 2.45 4.7 18.8 CD33 45 49 T Key: T = Transformer, I = Inverter *Sound power levels are average dba at 3 metres distance over sphere, under free field conditions and are presented for comparative purposes only. Values taken at the mid point on the wave at the highest point. **For speed controllers, please see page 99. Drawings and Dimensions Wiring Diagrams CD33 A d D b B C CD35 Product Code A B b C Ø D Ø E Weight max (kg) ESTOC 5-355 5 45 42 5 365 224 33 ESTOC 67-4 67 62 59 67 44 253 49 ESTOC 67-45 67 62 59 67 454 286 58 ESTOC 67-5 67 62 59 67 54 321 66 ESTOC 8-56 8 72 69 8 57 361 95 ESTOC 8-63 8 72 69 8 634 47 15 ESTOC 12-71 12 94 91 12 718 438 157 All dimensions in mm Clockwise Fläkt Woods FWG-T&DFAN-9542 GB 214.5.22 38 Specifications are subject of alteration without further notice
Estoc 5-355-1 - UB53514 4 35 3 25 2 15 24V 1 5 15V 13V 145V 16V 6V 5 1 15 2 25 3 35 Estoc 5-355-3 - BI11216 4 35 3 25 2 15 23V 28V 18V 1 5 14V 5 1 15 2 25 3 35 Estoc 5-355-3 - UB53544 4 35 3 25 2 15 415 V Y 1 5 5 1 15 2 25 3 35 Fläkt Woods FWG-T&DFAN-9542 GB 214.5.22 39 Specifications are subject of alteration without further notice
ESTOC 67-4-1 - UB674414 5 45 4 35 24V 3 25 2 145V 16V 15 13V 1 15V 5 6V 5 1 15 2 25 3 35 4 45 ESTOC 67-4-3 - BI11217 45 air flow within Estoc Unit. 4 35 3 25 2 23V 28V 15 18V 1 5 14V 5 1 15 2 25 3 35 4 45 ESTOC 67-4-3 - UB67444 air flow within Estoc Unit. 5 45 4 35 4 V 3 25 2 4 V Y 15 1 5 5 1 15 2 25 3 35 4 45 air flow within Estoc Unit. Fläkt Woods FWG-T&DFAN-9542 GB 214.5.22 4 Specifications are subject of alteration without further notice
ESTOC 67-45-1 - UB674514 6 5 4 3 2 13V 145V 16V 24V 15V 1 6V 1 2 3 4 5 6 ESTOC 67-45-3 - BI11218 6 5 4 3 28V 2 23V 1 18V 14V 1 2 3 4 5 6 ESTOC 67-45-3 - UB674544 6 5 4 3 2 1 1 2 3 4 5 6 Fläkt Woods FWG-T&DFAN-9542 GB 214.5.22 41 Specifications are subject of alteration without further notice
ESTOC 67-5-1 - UB675514 8 7 6 5 4 3 16V 23V 2 13V 145V 1 15V 6V 1 2 3 4 5 6 7 8 9 ESTOC 67-5-3 - BI11219 8 7 6 5 4 3 18V 23V 28V 14V 2 1 1 2 3 4 5 6 7 8 9 1 ESTOC 67-5-3 - UB67544 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 1 Fläkt Woods FWG-T&DFAN-9542 GB 214.5.22 42 Specifications are subject of alteration without further notice
ESTOC 8-56-3 - BI1122 1 9 8 7 6 5 4 23V 28V 3 18V 2 14V 1 2 4 6 8 1 12 14 ESTOC 8-56-3 - UB85644 1 9 8 7 6 5 4 3 2 1 2 4 6 8 1 12 14 ESTOC 8-63-3 - BI11221 14 12 1 8 6 28V 23V 4 2 14V 18V 2 4 6 8 1 12 14 16 18 Fläkt Woods FWG-T&DFAN-9542 GB 214.5.22 43 Specifications are subject of alteration without further notice
ESTOC 8-63-3 - UB86344 14 12 1 8 6 4 2 2 4 6 8 1 12 14 16 18 ESTOC 12-71-3 - BI11222 7 6 5 4 3 28V 23V 2 18V 1 14V 2 4 6 8 1 12 14 16 18 2 ESTOC 12-71-3 - UB17166 7 6 5 4 3 2 1 2 4 6 8 1 12 14 16 18 2 Fläkt Woods FWG-T&DFAN-9542 GB 214.5.22 44 Specifications are subject of alteration without further notice