Aerocourse

Fan Assisted Trench Heating

Model Casings are available in a range of eight models to suit outputs as well as accommodate flow and return pipework. Four model types are available, each with an optional 40mm increase in width incorporating support brackets for flow and return pipework. AFA1 180mm wide x 110mm deep AFA1-P 220mm wide x 110mm deep c/w F&R pipe supports AFA2 270mm wide x 110mm deep AFA2-P 310mm wide x 110mm deep c/w F&R pipe supports AFA3 340mm wide x 110mm deep AFA3-P 380mm wide x 110mm deep c/w F&R pipe supports AFA4 400mm wide x 110mm deep AFA4-P 440mm wide x 110mm deep c/w F&R pipe supports Casing Length Casings are available in 5 standard lengths for active heating, with a range of dummy, telescopic and corner casings for continuous runs of trench heating. 1250 1250mm overall casing length 1750 1750mm overall casing length 2250 2250mm overall casing length 2750 2750mm overall casing length 3250 3250mm overall casing length Controls Aerocourse is available with an extensive range of control options, ranging from simple single speed on/off control to comprehensive fan speed and waterside modulating controls and BMS enable relays. P1 Internal 1 no fan speed potentiometer (single speed) P3 Internal 3 no fan speed potentiometers (three speeds) F3 Room on/off & 3 speed switches F3-T1 Room on/off & 3 speed switches c/w 0/1 thermostat F3-SC Room on/off & 3 speed switches c/w setpoint controller T1 Room on/off thermostat V1 Fitted isolation valves V2 Fitted 230V control valves V230 2 port valve & 230VAC thermic actuator IBV Isolating ball valves LTC2 Adjustable LTC clamp-on thermostat VPS10 10kΩ clamp-on valve proving sensor R24 24VAC on/off relay R230 230VAC on/off relay Filter Aerocourse is available with woven polyester filters fitted to fan inlet. NN No filter G2-1250 Fitted Class G2 inlet filter for 1250mm long casings G2-1750 Fitted Class G2 inlet filter for 1750mm long casings G2-2250 Fitted Class G2 inlet filter for 2250mm long casings G2-2750 Fitted Class G2 inlet filter for 2750mm long casings G2-3250 Fitted Class G2 inlet filter for 3250mm long casings Trench Height – Coarse Adjustment Aerocourse is available with adjustable feet for fine adjustment of 0-40mm to finished floor level; for deeper trenches and floor voids, telescopic mounting brackets are available T050 Telescopic mounting brackets 20-50mm adjustment T100 Telescopic mounting brackets 50-100mm adjustment T150 Telescopic mounting brackets 75-150mm adjustment T250 Telescopic mounting brackets 125-250mm adjustment T450 Telescope mounting brackets 225-450mm adjustment

Floor Grilles Y-Bar Roll Grille 6.2mm thick 'Y' profile bars in silver satin extruded aluminium, crimped onto flexible black nylon tube and pitched at 13.5mm centres; available in 0.5m, 1.0m, 1.5m and 3.0m lengths. Generally for light duty applications. Y-Bar Rigid Grille 6.2mm thick 'Y' profile bars in silver satin extruded aluminium, crimped onto rigid silver aluminium tube and pitched at 13.5mm centres; available in 0.5m, 1.0m and 1.5m lengths. Generally for medium duty applications. Y-Bar Linear Grille As per Y-Bar Rigid Grille but with grille bars mounted parallel to the trench casing, crimped onto rigid silver aluminium tube. Generally for medium duty applications. I-Bar Roll Grille 3mm thick 'I' profile bars in silver satin extruded aluminium, fixed onto steel spring cores and pitched at 12.5mm centres; available in 0.5m, 1.0m, 1.2m, 1.25m, 1.5m, 1.75m, 2.25, 2.75m, 3.0m and 3.25m lengths. Generally for light duty applications. I-Bar Rigid Grille 3mm thick 'I' profile bars in silver satin extruded aluminium, fixed onto rigid steel threaded stud and pitched at 12.5mm centres; available in 0.5m, 1.0m, 1.2m, 1.25m and 1.5m lengths. Generally for medium duty applications. I-Bar Linear Grille As per I-Bar Rigid Grille but with grille bars mounted parallel to the trench casing, fixed rigid steel threaded stud. Generally for medium duty applications. U-Bar Roll Grille Fabricated stainless steel bars with an inverted U-profile, brush finished in 240 grit, crimped onto flexible black nylon tube and pitched at 13mm centres. Generally for light duty applications. Heritage Scroll Grille 'Scroll' cast iron grille 226mm wide for Hydrocourse HCI-11 and 'Quatrofoil' cast iron grille 328mm wide for Hydrocourse HCI12, finished in black.

AFA-1

Heat Outputs (W) @ ∆∆∆∆T = 60K

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 387 584 752 930 993 1018 1034 1053 1069 1750 602 909 1169 1446 1545 1583 1608 1639 1663 2250 817 1234 1587 1963 2097 2149 2183 2224 2257 2750 1032 1558 2005 2479 2649 2714 2757 2809 2850 3250 1247 1883 2422 2995 3201 3280 3332 3394 3444

Heat Output Correction Factors

∆∆∆∆T (K) 60 59 58 57 56 55 50 45 40 35 30 25 20 Factor 1.00 0.982 0.965 0.947 0.930 0.912 0.826 0.739 0.653 0.567 0.483 0.399 0.316

∆T is mean water temperature less room air (or return air) temperature

Sound Pressure Level (dBA) @ 3.0m Q4 Free-Field

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 7.4 14.9 28.4 33.1 34.6 35.7 36.0 36.3 37.0 1750 10.8 16.6 24.2 32.4 33.9 34.2 35.0 36.1 36.6 2250 9.7 16.7 25.1 32.1 35.2 35.8 36.0 36.8 37.3 2750 12.1 19.6 27.5 35.0 36.6 37.4 37.5 38.5 39.4 3250 12.1 19.9 28.1 34.7 37.2 38.0 38.7 39.0 40.4

Power Consumption (W) Fan speed (V DC)

2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 (1 fan) 8.6 9.8 11.1 13.6 14.0 14.5 15.0 15.3 15.5 1750 (2 fans) 10.6 13.0 15.5 19.7 20.4 20.7 21.5 21.7 22.6 2250 (2 fans) 10.6 13.1 16.4 19.4 20.6 20.7 21.4 21.7 22.7 2750 (3 fans) 12.7 16.3 19.7 24.9 26.1 26.8 27.5 28.8 29.2 3250 (4 fans) 14.7 19.1 23.0 30.0 32.0 34.0 35.3 36.4 37.8

Dimensioned section drawing of AFA-1 (Sales outline drawing S235-001-A)

AFA-1P

Heat Outputs (W) @ ∆∆∆∆T = 60K

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 387 584 752 930 993 1018 1034 1053 1069 1750 602 909 1169 1446 1545 1583 1608 1639 1663 2250 817 1234 1587 1963 2097 2149 2183 2224 2257 2750 1032 1558 2005 2479 2649 2714 2757 2809 2850 3250 1247 1883 2422 2995 3201 3280 3332 3394 3444

Heat Output Correction Factors

∆∆∆∆T (K) 60 59 58 57 56 55 50 45 40 35 30 25 20 Factor 1.00 0.982 0.965 0.947 0.930 0.912 0.826 0.739 0.653 0.567 0.483 0.399 0.316

∆T is mean water temperature less room air (or return air) temperature

Sound Pressure Level (dBA) @ 3.0m Q4 Free-Field

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 7.8 13.7 22.6 30.0 31.6 32.2 33.6 33.6 36.0 1750 8.7 15.4 24.9 31.9 34.0 34.7 35.6 36.3 36.9 2250 10.7 16.6 24.8 32.0 33.4 35.0 35.8 36.2 36.3 2750 16.4 19.5 26.2 33.7 35.1 35.8 36.3 37.4 38.1 3250 13.4 18.4 25.8 32.5 35.0 35.5 36.3 37.2 38.1

Power Consumption (W) Fan speed (V DC)

2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 (1 fan) 8.8 9.9 11.4 13.2 14.3 15.2 15.4 15.7 16.1 1750 (2 fans) 10.8 12.9 15.9 18.8 20.9 21.0 21.9 22.9 23.3 2250 (2 fans) 10.8 12.9 15.9 19.1 20.8 21.8 22.3 22.8 23.5 2750 (3 fans) 12.8 16.0 19.6 23.9 27.2 28.3 28.6 29.4 30.5 3250 (4 fans) 14.9 18.9 23.2 28.6 34.0 34.9 35.6 37.0 38.1

Dimensioned section drawing of AFA-1P (Sales outline drawing S235-002-A)

AFA-2

Heat Outputs (W) @ ∆∆∆∆T = 60K

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 762 1059 1294 1533 1616 1648 1668 1693 1713 1750 1185 1647 2013 2384 2514 2563 2595 2634 2665 2250 1609 2235 2732 3236 3412 3478 3522 3575 3617 2750 2032 2823 3451 4087 4310 4394 4449 4516 4569 3250 2456 3411 4170 4939 5207 5309 5376 5456 5520

Heat Output Correction Factors

∆∆∆∆T (K) 60 59 58 57 56 55 50 45 40 35 30 25 20 Factor 1.00 0.981 0.962 0.944 0.925 0.906 0.813 0.723 0.633 0.544 0.458 0.373 0.290

∆T is mean water temperature less room air (or return air) temperature

Sound Pressure Level (dBA) @ 3.0m Q4 Free-Field

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 3.9 15.0 24.4 31.5 34.7 35.6 38.1 39.0 40.2 1750 10.1 21.9 30.5 37.8 40.1 41.4 41.4 42.8 43.3 2250 10.3 21.5 30.6 37.4 39.1 40.8 41.6 41.9 42.3 2750 13.4 22.8 33.1 39.5 41.4 41.7 43.3 44.5 45.5 3250 13.2 21.3 31.5 39.1 41.0 41.8 43.6 43.5 44.5

Power Consumption (W) Fan speed (V DC)

2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 (1 fan) 8.9 10.3 12.3 14.6 16.0 16.6 16.9 17.2 17.5 1750 (2 fans) 11.1 13.8 17.9 22.0 24.1 24.7 25.3 26.0 26.9 2250 (2 fans) 10.9 13.8 17.3 21.4 24.0 24.6 24.6 26.1 26.9 2750 (3 fans) 13.3 17.4 22.0 28.0 32.2 32.9 34.3 34.4 36.3 3250 (4 fans) 15.3 21.5 27.7 36.6 41.0 42.1 42.5 44.8 46.4

Dimensioned section drawing of AFA-2 (Sales outline drawing S235-003-A)

AFA-2P

Heat Outputs (W) @ ∆∆∆∆T = 60K

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 762 1059 1294 1533 1616 1648 1668 1693 1713 1750 1185 1647 2013 2384 2514 2563 2595 2634 2665 2250 1609 2235 2732 3236 3412 3478 3522 3575 3617 2750 2032 2823 3451 4087 4310 4394 4449 4516 4569 3250 2456 3411 4170 4939 5207 5309 5376 5456 5520

Heat Output Correction Factors

∆∆∆∆T (K) 60 59 58 57 56 55 50 45 40 35 30 25 20 Factor 1.00 0.981 0.962 0.944 0.925 0.906 0.813 0.723 0.633 0.544 0.458 0.373 0.290

∆T is mean water temperature less room air (or return air) temperature

Sound Pressure Level (dBA) @ 3.0m Q4 Free-Field

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 6.5 14.3 23.2 31.6 34.4 37.8 38.1 38.0 38.5 1750 7.0 18.8 27.8 35.2 38.1 39.1 39.5 40.3 40.4 2250 10.5 19.5 28.2 33.9 37.7 39.2 39.3 40.1 40.3 2750 13.0 20.6 29.4 37.3 40.1 40.4 40.9 41.0 41.7 3250 12.5 21.5 29.7 36.4 40.2 40.6 41.4 42.2 42.5

Power Consumption (W) Fan speed (V DC)

2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 (1 fan) 8.6 10.2 11.8 14.3 15.9 16.2 16.6 16.4 17.2 1750 (2 fans) 11.0 13.7 17.1 20.2 23.2 23.5 24.5 25.1 26.0 2250 (2 fans) 10.9 13.9 17.0 20.8 23.2 23.4 24.0 25.0 25.8 2750 (3 fans) 12.6 17.0 21.6 26.5 32.0 32.8 33.8 34.8 36.3 3250 (4 fans) 14.5 20.4 25.8 32.2 39.2 40.3 41.9 42.3 43.6

Dimensioned section drawing of AFA-2P (Sales outline drawing S235-004-A)

AFA-3

Heat Outputs (W) @ ∆∆∆∆T = 60K

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 915 1238 1490 1742 1829 1861 1883 1909 1930 1750 1423 1926 2318 2709 2844 2896 2929 2969 3002 2250 1931 2614 3145 3677 3860 3930 3975 4030 4074 2750 2439 3302 3973 4644 4876 4964 5021 5090 5145 3250 2947 3990 4801 5612 5892 5998 6067 6151 6217

Heat Output Correction Factors

∆∆∆∆T (K) 60 59 58 57 56 55 50 45 40 35 30 25 20 Factor 1.00 0.980 0.961 0.942 0.922 0.903 0.806 0.714 0.623 0.533 0.447 0.362 0.280

∆T is mean water temperature less room air (or return air) temperature

Sound Pressure Level (dBA) @ 3.0m Q4 Free-Field

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

1250 7.9 19.0 27.6 36.5 38.0 38.4 39.0 39.1 39.9 1750 10.2 21.4 30.3 38.7 39.9 40.8 41.4 42.0 42.7 2250 11.5 22.4 30.5 38.2 40.4 41.0 41.4 41.9 42.6 2750 12.6 30.5 32.9 39.3 41.8 42.5 42.7 43.0 44.0 3250 13.7 38.6 35.3 40.4 43.2 44.0 44.0 44.1 45.4

Power Consumption (W) Fan speed (V DC)

2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 (1 fan) 8.9 10.2 12.0 14.9 15.9 16.5 16.7 17.2 17.5 1750 (2 fans) 10.5 14.0 17.8 21.2 24.4 24.6 25.0 25.9 26.6 2250 (2 fans) 11.0 13.8 17.9 21.5 24.2 24.4 24.9 25.7 26.1 2750 (3 fans) 13.3 17.2 22.3 28.2 32.0 32.7 33.4 34.9 35.6 3250 (4 fans) 15.6 20.6 26.7 34.9 39.8 41.0 41.7 44.1 45.1

Dimensioned section drawing of AFA-3 (Sales outline drawing S235-005-A)

AFA-3P

Heat Outputs (W) @ ∆∆∆∆T = 60K

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 915 1238 1490 1742 1829 1861 1883 1909 1930 1750 1423 1926 2318 2709 2844 2896 2929 2969 3002 2250 1931 2614 3145 3677 3860 3930 3975 4030 4074 2750 2439 3302 3973 4644 4876 4964 5021 5090 5145 3250 2947 3990 4801 5612 5892 5998 6067 6151 6217

Heat Output Correction Factors

∆∆∆∆T (K) 60 59 58 57 56 55 50 45 40 35 30 25 20 Factor 1.00 0.980 0.961 0.942 0.922 0.903 0.806 0.714 0.623 0.533 0.447 0.362 0.280

∆T is mean water temperature less room air (or return air) temperature

Sound Pressure Level (dBA) @ 3.0m Q4 Free-Field

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

1250 8.8 17.6 26.3 35.5 37.3 37.7 39.0 39.0 39.6 1750 8.9 20.6 31.3 37.5 40.4 40.7 41.2 41.5 42.0 2250 6.9 20.5 30.6 36.9 39.6 40.4 40.6 40.6 41.5 2750 10.0 19.9 29.4 37.1 41.2 41.6 42.2 42.6 42.7 3250 12.8 23.1 31.1 38.7 40.7 41.4 42.3 43.0 42.9

Power Consumption (W) Fan speed (V DC)

2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 (1 fan) 8.7 10.2 12.0 14.2 16.0 16.6 16.9 17.2 17.2 1750 (2 fans) 11.1 14.0 16.8 20.7 24.0 24.6 25.4 26.2 26.1 2250 (2 fans) 10.7 13.8 16.9 20.7 24.1 24.8 25.4 25.8 25.2 2750 (3 fans) 12.7 16.5 21.0 25.9 31.5 31.8 33.2 34.9 35.8 3250 (4 fans) 15.1 20.7 25.4 33.1 40.0 41.3 42.4 43.5 45.5

Dimensioned section drawing of AFA-3P (Sales outline drawing S235-006-A)

AFA-4

Heat Outputs (W) @ ∆∆∆∆T = 60K

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 1083 1491 1813 2138 2251 2293 2321 2355 2382 1750 1684 2319 2820 3325 3501 3567 3611 3664 3705 2250 2286 3148 3827 4513 4751 4841 4901 4972 5029 2750 2887 3976 4834 5700 6001 6115 6190 6280 6352 3250 3489 4804 5841 6888 7252 7390 7480 7589 7675

Heat Output Correction Factors

∆∆∆∆T (K) 60 59 58 57 56 55 50 45 40 35 30 25 20 Factor 1.00 0.981 0.963 0.944 0.926 0.907 0.815 0.726 0.636 0.548 0.462 0.377 0.294

∆T is mean water temperature less room air (or return air) temperature

Sound Pressure Level (dBA) @ 3.0m Q4 Free-Field

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

1250 9.9 18.9 27.4 35.4 37.9 38.2 38.6 39.1 39.7 1750 11.1 21.6 30.7 38.0 41.9 41.8 42.1 42.6 43.1 2250 12.7 21.7 32.0 38.5 41.1 42.2 42.5 42.5 42.8 2750 13.6 22.8 32.5 38.1 41.6 42.1 42.8 43.2 43.4 3250 17.1 23.8 31.7 38.7 41.6 42.2 43.0 43.6 43.8

Power Consumption (W) Fan speed (V DC)

2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 (1 fan) 8.9 9.9 11.8 14.5 16.2 16.5 16.8 17.2 17.8 1750 (2 fans) 11.1 13.7 16.7 21.3 25.1 26.0 26.4 26.7 27.7 2250 (2 fans) 11.9 13.8 17.6 21.3 25.3 25.8 26.8 27.0 27.5 2750 (3 fans) 13.3 18.7 22.3 28.1 32.2 33.8 34.8 35.2 36.2 3250 (4 fans) 15.3 20.5 26.5 34.1 40.8 41.9 43.2 43.9 46.0

Dimensioned section drawing of AFA-4 (Sales outline drawing S235-007-A)

AFA-4P

Heat Outputs (W) @ ∆∆∆∆T = 60K

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 1083 1491 1813 2138 2251 2293 2321 2355 2382 1750 1684 2319 2820 3325 3501 3567 3611 3664 3705 2250 2286 3148 3827 4513 4751 4841 4901 4972 5029 2750 2887 3976 4834 5700 6001 6115 6190 6280 6352 3250 3489 4804 5841 6888 7252 7390 7480 7589 7675

Heat Output Correction Factors

∆∆∆∆T (K) 60 59 58 57 56 55 50 45 40 35 30 25 20 Factor 1.00 0.981 0.963 0.944 0.926 0.907 0.815 0.726 0.636 0.548 0.462 0.377 0.294

∆T is mean water temperature less room air (or return air) temperature

Sound Pressure Level (dBA) @ 3.0m Q4 Free-Field

Fan speed (V DC) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

1250 12.2 17.6 26.6 34.1 36.8 37.3 38.2 40.7 41.1 1750 12.4 21.0 43.4 37.0 39.8 40.0 40.6 41.0 41.4 2250 12.6 20.4 29.3 36.7 38.5 39.1 39.8 40.5 41.2 2750 12.3 22.3 30.8 37.9 41.2 41.0 41.8 42.6 42.4 3250 13.8 22.8 31.5 38.4 41.6 42.3 42.3 43.1 43.2

Power Consumption (W) Fan speed (V DC)

2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Casing Length (mm)

1250 (1 fan) 8.9 10.2 11.9 14.5 16.2 16.6 16.8 16.5 17.4 1750 (2 fans) 11.1 13.8 17.3 21.3 24.4 24.9 25.2 26.0 25.4 2250 (2 fans) 10.8 14.0 17.3 21.2 24.2 24.6 25.3 25.8 26.1 2750 (3 fans) 13.3 17.4 21.9 27.0 32.8 33.8 34.2 35.4 36,2 3250 (4 fans) 14.9 20.6 26.4 33.7 39.7 40.9 42.2 43.9 45.7

Dimensioned section drawing of AFA-4P (Sales outline drawing S235-008-A)

Manufacturer reserves the right to change any product specification without notice

Dunham-Bush Ltd

Downley Road Havant

Hants PO9 2JD

Tel: 023 9247 7700 Fax: 023 9245 3601

Email: infouk@dunham-bush.com www.dunham-bush.com

PDS-1000-H-0271-01 June 2012