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I03 • Roof Exhaust Units

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Backward curved centrifugal fan. The range comprise 11 sizes with different speeds and air volumes from 900 up to 9600 m3/h

Application

These fans are designed for direct or ducted ventilation in residential, commercial and industrial buildings

Composition

Housing made of seawater resistant aluminium AlMg3
Integrated thermal contact
Maintenance-free, long-life ball bearings
Swivel mounted fan section
Integrated isolator switch

Accessories

Transformer speed controllers type BTRN
Roof socket RAC-I
Roof socket RC-I
Flexible connector RFC
Matching flange RIF
Backdraught shutter RAS

Order example

ARF-S 220 E2

ARF= Type of fan

220= Size

E= 1x230V

2= 2800rpm

Articles

	Type	Type	Voltage [V]	Speed [rpm]	Qv at 100 Pa [m3/h]	Power [W]
I030300022022	ARF-S 220 E2	220 E2	230	2800	640	100
I030300025022	ARF-S 250 E2	250 E2	230	2800	1115	190
I030300025024	ARF-S 250 E4	250 E4	230	1400	325	60
I030300028022	ARF-S 280 E2	280 E2	230	2800	1520	290
I030300031524	ARF-S 315 E4	315 E4	230	1400	1305	130
I030300035524	ARF-S 355 E4	355 E4	230	1400	2475	300
I030300035544	ARF-S 355 D4	355 D4	400	1400	2360	265
I030300040024	ARF-S 400 E4	400 E4	230	1400	3715	540
I030300040044	ARF-S 400 D4	400 D4	400	1400	3620	500
I030300045044	ARF-S 450 D4	450 D4	400	1400	5345	870
I030300050044	ARF-S 500 D4	500 D4	400	1400	7620	1600

Air performance data

	Qv [m³/h]
	0Pa	100Pa	200Pa	300Pa	400Pa	500Pa	600Pa	700Pa
ARF-S 220 E2	780	640	500	305	60	-	-	-
ARF-S 250 E2	1255	1115	935	750	530	290	-	-
ARF-S 250 E4	645	325	-	-	-	-	-	-
ARF-S 280 E2	1755	1520	1240	945	655	470	280	-
ARF-S 315 E4	1695	1305	660	-	-	-	-	-
ARF-S 355 E4	2890	2475	1980	1325	-	-	-	-
ARF-S 400 E4	4160	3715	3195	2565	1530	-	-	-
ARF-S 355 D4	2775	2360	1850	990	-	-	-	-
ARF-S 400 D4	4035	3620	3160	2530	1625	-	-	-
ARF-S 450 D4	5835	5345	4815	4180	3375	2330	510	-
ARF-S 500 D4	8050	7620	7110	6590	6000	5210	4245	2410

Performance curve

Technical data

	U [V]	P [W]	I [A]	tm [°C]	ta [°C]	n [rpm]	Lwa [dB(A)]
	U [V]	P [W]	I [A]	tm [°C]	ta [°C]	n [rpm]	Lwa 5	Lwa 6
ARF-S 220 E2	1 x 230	100	0.50	70	70	2532	70	73
ARF-S 250 E2	1 x 230	190	0.90	50	50	2620	76	81
ARF-S 250 E4	1 x 230	60	0.30	50	50	1343	61	65
ARF-S 280 E2	1 x 230	290	1.30	60	60	2528	80	83
ARF-S 315 E4	1 x 230	120	0.60	60	60	1317	68	70
ARF-S 355 E4	1 x 230	280	1.40	70	70	1337	75	76
ARF-S 400 E4	1 x 230	520	2.80	50	50	1384	77	81
ARF-S 355 D4	3 x 400	260	0.60	60	60	1370	73	77
ARF-S 400 D4	3 x 400	500	1.20	70	70	1370	77	81
ARF-S 450 D4	3 x 400	870	1.80	60	60	1370	81	85
ARF-S 500 D4	3 x 400	1600	3.90	55	55	1420	86	89

ta = Ambient Temperature

tm = Medium Temperature

L_WA5=Inlet - sound power level [dB(A)]

L_WA6=Outlet - sound power level [dB(A)]

The sound power levels are measured according to DIN 45635 part 2 & 38

Technical data

	U [V]	P [W]	I [A]	SC_T	ŋt [%]	tm [°C]	tu [°C]	to [°C]	n [rpm]	Lwa [dB(A)]
	U [V]	P [W]	I [A]	SC_T	ŋt [%]	tm [°C]	tu [°C]	to [°C]	n [rpm]	Lwa 5	Lwa 6	Lwa 2
ARF-S 220 E2	1 x 230	100	0.50	BTRN 1-S1	31	70	70	-25	2532	70	73	-
ARF-S 250 E2	1 x 230	190	0.90	BTRN 1-S1	34	50	50	-25	2620	76	81	-
ARF-S 250 E4	1 x 230	60	0.30	BTRN 1-S1	16	50	50	-25	1343	61	65	-
ARF-S 280 E2	1 x 230	290	1.30	BTRN 1-1	30	60	60	-25	2528	80	83	-
ARF-S 315 E4	1 x 230	120	0.60	BTRN 1-S1	34	60	60	-25	1317	68	70	-
ARF-S 355 E4	1 x 230	280	1.40	BTRN 1-2	40	70	70	-25	1337	75	76	-
ARF-S 400 E4	1 x 230	520	2.80	BTRN 1-3	43	50	50	-25	1384	77	81	-
ARF-S 355 D4	3 x 400	260	0.60	BTRN 4-2	39	60	60	-30	1370	73	77	-
ARF-S 400 D4	3 x 400	500	1.20	BTRN 4-2	44	70	70	-30	1370	77	81	-
ARF-S 450 D4	3 x 400	870	1.80	BTRN 4-2	44	60	60	-30	1370	81	85	-
ARF-S 500 D4	3 x 400	1600	3.90	BTRN 4-4	45	55	55	-30	1420	86	89	-

SC_T = transformer controller

ŋ_t = maximum total efficiency

t_m = maximum air temperature

t_u = maximum ambient temperature

t_o = minimum operating temperature

Lwa 2 = Casing sound power level

Lwa 5 = Sound power level @inlet

Lwa 6 = Sound power level @outlet

The sound power levels are measured according to DIN 45635 part 2 & 38

Dimensions

	A [mm]	B [mm]	C [mm]	D [mm]	E [mm]	F [mm]	G [mm]	H [mm]	I [mm]	J[mm]	[kg]
ARF-S 220 E2	235	335	439	245	92.5	92.5	245	Ø213	308	4xØ9	7.4
ARF-S 250 E2	235	335	439	245	92.5	92.5	245	Ø213	308	4xØ9	8.1
ARF-S 250 E4	235	335	439	245	92.5	92.5	245	Ø213	308	4xØ9	7.6
ARF-S 280 E2	289	435	576	330	135	135	330	Ø286	408	4xØ9	11.5
ARF-S 315 E4	289	435	578	330	135	135	330	Ø286	408	4xØ9	11
ARF-S 355 E4	399	595	795	450	195.5	195.5	450	Ø438	570	4xØ11	24.2
ARF-S 400 E4	399	595	795	450	195.5	195.5	450	Ø438	570	4xØ11	27.2
ARF-S 355 D4	399	595	795	450	195.5	195.5	450	Ø438	570	4xØ11	23.6
ARF-S 400 D4	399	595	795	450	195.5	195.5	450	Ø438	570	4xØ11	27.2
ARF-S 450 D4	494	665	916	535	230.5	230.5	535	Ø438	640	4xØ9	38.5
ARF-S 500 D4	494	665	916	535	230.5	230.5	535	Ø438	640	4xØ9	47

I03.030.0 • Subject to technical modification

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	Mounting instructions
	datasheet

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