CFS Slot diffusor

Various design options with black, grey and white air control elements

<font><font>Installation in lightweight partition walls with metal support structure</font></font>

Installation in lightweight partition walls

Vertical air discharge (upwards)

Horizontal air discharge

CFS

Many variants for the space saving installation into lightweight partition walls

Slot diffusers for wall installation, with adjustable air control elements

Can be combined with PURELINE18, PURELINE35 und PURELINE50 diffuser faces
Nominal sizes from 450 to 1200 mm
Up to 3 slots allow for more applications
Simple and quick installation, no tools required to fix the diffuser face
Installation in lightweight partition walls with a thickness of 100 mm and with a 50 mm wide metal frame
Plenum box with acoustic lining
Available for supply air, for extract air or for both supply and extract air

Optional equipment

Different looks due to choice of black, grey or white air control elements

General information

Application

Type CFS slot diffusers for wall installation can be used for supply air, for extract air or as a supply and extract air combination in comfort zones.
Wide area of application thanks to choice of PURELINE18, PURELINE35 or PURELINE50 diffuser faces of various widths with 1, 2 or 3 slots
One-way horizontal or vertical air discharge creates a turbulent mixed airflow
Air distribution with or without ceiling effect (depending on installation height)
High induction results in a rapid reduction of the temperature difference and airflow velocity
For variable and constant volume flows
For supply air to room air temperature differences from -10 to +10 K
For room heights up to 4 m (lower edge of suspended ceiling)
Installation in lightweight partition walls with a thickness of 100 mm and with a 50 mm wide metal frame

Special features

Uniform air pattern reduces contamination of the wall caused by the induction of room air
Horizontal or vertical air discharge by means of manually adjustable air control elements
Horizontal air discharge allows for longer throw distances
The vertical airflow moves along the wall, towards the ceiling and eventually across the entire ceiling area, having a positive effect on airflow velocities and comfort levels
Acoustic lining reduces noise transmission through ducting between adjacent rooms
Easy and safe installation of the diffuser face without any tools after drywalling is complete
Comfortable indoor climate due to high induction and rapid reduction of temperature differences and airflow velocities
Attractive appearance due to extruded aluminium sections with anodised finish or powder coating (RAL CLASSIC colour)
The diffuser face has been optimised for maximum volume flow rate at low sound power levels

Nominal sizes

Nominal length L_N:

PL18: 500 – 1200 mm (in increments of 100 mm)
PL35/50: 450 – 1200 mm (in increments of 150 mm)

Nominal height H_N:

290 – 440 mm (in increments of 1 mm)

Spigot diameter ØD

98, 123, 138, 158 mm

Variants

CFS-... :

-*: With PURELINE18, PURELINE35 or PURELINE50 diffuser faces
-*: 1, 2 or 3 slots (3 slots only with diffuser face 35)
-S: Supply air
-E: Extract air
-SE: Supply and extract air combination

Construction

Diffuser face finish

With anodised finish, E6-C-0, natural colour

P1: Powder-coated RAL 9010, pure white, GU50

P1: Powder-coated RAL 9006, white aluminium, GU30

P1: Powder-coated in any other RAL CLASSIC colour, GU70

Attachments

D: Damper blade for volume flow rate balancing
LS: Lip seal

Construction features

Spigot suitable for circular ducts to EN 1506 or EN 13180
Two adjustable suspension lugs on the plenum box allow for fixing the diffuser to the wall, suspending it from the ceiling or fixing it to the ceiling (by others)
Manually adjustable air control elements with grooves to lock the elements for a particular air pattern
Factory set for a particular air pattern, manually adjustable on site (adjustment by others, only for horizontal and vertical air discharge in case of wall installation)
Spigot with groove for lip seal (if an accessory with lip seal has been ordered)
Diffuser face nominal lengths from 450 mm to 1200 mm, depending on slot diffuser width
Diffuser face with two end angles
Plenum box available in nominal heights from 290 to 440 mm
Fixing material for the diffuser face is supplied separately in a drawstring bag.

Materials and surfaces

Diffuser face made from extruded aluminium sections
End angles made of aluminium
Air control elements made of ABS plastic, UL 94, V-0, flame retardant
Plenum box made of galvanised sheet steel
Lip seal made of Evoprene
Acoustic lining made of mineral wool
Diffuser face with anodised finish, E6-C-0, natural colour
P1: Powder-coated in a RAL CLASSIC colour
Air control elements similar to RAL 9005, black
W: Air control elements similar to RAL 9010, white
G: Air control elements similar to RAL 9006, grey

Mineral wool

Mineral wool that comes into contact with air is faced with glass fibre fabric as a protection against erosion due to airflow velocities up to 20 m/s
To EN 13501, fire rating class A1, non-combustible
RAL quality mark RAL-GZ 388
Non-hazardous to health thanks to being highly biosoluble in accordance with the Ordinance on Hazardous Substances and Note Q of the European Directive (EC) No. 1272/2008
Inert to fungal and bacterial growth

Standards and guidelines

Sound power level of the air-regenerated noise measured according to EN ISO 5135

Conforms to VDI 6022

Transmission loss to ISO 7235

Maintenance

Low maintenance, as there is no wear and tear due to design and materials used

Inspection and cleaning according to VDI 6022

Technical information

Function, Technical data, Quick sizing, Specification text, Order code

Slot diffusers for wall installation discharge the air from air conditioning systems into the room, either horizontally or vertically along the wall and towards the ceiling. The resulting airflow induces high levels of room air, thereby rapidly reducing the airflow velocity and the temperature difference between supply air and indoor air. The result is a mixed flow ventilation in comfort zones, with good overall room ventilation, creating only very little turbulence in the occupied zone.

Type CFS slot diffusers can be combined with PURELINE18, PURELINE35 or PURELINE50 diffuser faces and are fitted with factory set air control elements that can be manually adjusted on site. The airflow direction can be adjusted to meet various local requirements.

The supply air to room air temperature difference can range from –10 to +10 K.

To increase transmission loss and reduce room-to-room crosstalk the plenum box is fitted with acoustic lining.

A damper blade (optional) enables volume flow rate balancing for commissioning. The damper blade of CFS-18 can be adjusted with cords even with the diffuser face in place.

The damper blades of CFS-35 and CFS-50 can be adjusted by sticking a screwdriver or similar object through the diffuser face.

To give rooms an aesthetic, uniform look, Type CFS diffusers may be used for supply air, for extract air or as a supply and extract air combination.

CFS-18

Nominal length	500 – 1200 mm (in increments of 100 mm)
Nominal height	290 – 440 mm (in increments of 1 mm)
No. of slots	1 or 2
Minimum volume flow rate, with Δt_z = -10 K	3 l/s or 12 m³/h
Maximum volume flow rate, at L_WA ≅ 50 dB(A)	92 l/s or 330 m³/h
Supply air to room air temperature difference	-10 to +10 K

CFS-35

Nominal length	450 – 1200 mm (in increments of 150 mm)
Nominal height	290 – 440 mm (in increments of 1 mm)
No. of slots	1, 2 or 3
Minimum volume flow rate, with Δt_z = -10 K	5 l/s or 18 m³/h
Maximum volume flow rate, at L_WA ≅ 50 dB(A)	119 l/s or 430 m³/h
Supply air to room air temperature difference	-10 to +10 K

CFS-50

Nominal length	450 – 1200 mm (in increments of 150 mm)
Nominal height	290 – 440 mm (in increments of 1 mm)
No. of slots	1 or 2
Minimum volume flow rate, with Δt_z = -10 K	7 l/s or 27 m³/h
Maximum volume flow rate, at L_WA ≅ 50 dB(A)	122 l/s or 440 m³/h
Supply air to room air temperature difference	-10 to +10 K

Quick sizing tables provide a good overview of the volume flow rates and corresponding sound power levels and differential pressures.

Exact values for all parameters can be determined with our Easy Product Finder design program. The quick sizing values apply to constructions with one spigot.

CFS-18-1, supply air, air control elements horizontal, sound power level and total differential pressure

L_N	ØD	q_v [l/s]	q_v [m³/h]	Damper blade position						A_eff [m²]
				OPEN		50%		CLOSED
				∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]
600	98	4	15	<5	<15	<5	<15	<5	<15	0.0024
600	98	12	45	16	27	18	27	26	27	0.0024
600	98	21	75	46	41	50	41	73	41	0.0024
600	98	29	105	90	50	99	50	144	50	0.0024
600	123	4	15	<5	<15	<5	<15	<5	<15	0.0024
600	123	13	47	16	26	17	26	21	26	0.0024
600	123	22	79	46	41	50	41	58	41	0.0024
600	123	31	111	91	50	98	50	115	50	0.0024
800	98	5	20	<5	<15	<5	<15	<5	<15	0.0032
800	98	16	57	18	27	20	27	33	28	0.0032
800	98	26	94	48	41	56	41	91	41	0.0032
800	98	36	131	94	50	108	50	178	50	0.0032
800	123	5	20	<5	<15	<5	<15	<5	<15	0.0032
800	123	16	58	16	27	18	27	22	27	0.0032
800	123	26	95	44	41	49	41	62	41	0.0032
800	123	37	133	85	50	96	50	120	50	0.0032
1000	98	7	25	<5	<15	<5	<15	6	<15	0.004
1000	98	19	70	21	28	25	28	45	28	0.004
1000	98	32	115	57	41	68	41	122	42	0.004
1000	98	44	160	111	50	132	50	236	50	0.004
1000	123	7	25	<5	<15	<5	<15	<5	<15	0.004
1000	123	19	70	18	27	21	27	28	29	0.004
1000	123	32	115	49	41	56	41	75	42	0.004
1000	123	45	161	94	50	109	50	145	51	0.004
1200	98	8	30	<5	<15	<5	<15	8	<15	0.0048
1200	98	23	84	26	28	32	29	61	29	0.0048
1200	98	39	139	72	41	88	42	166	42	0.0048
1200	98	54	194	139	50	170	51	322	51	0.0048
1200	123	8	30	<5	<15	3	<15	4	<15	0.0048
1200	123	24	85	22	27	26	27	36	30	0.0048
1200	123	39	140	59	41	70	41	97	43	0.0048
1200	123	54	195	114	50	136	50	189	51	0.0048

CFS-18-2, supply air, air control elements horizontal, sound power level and total differential pressure

L_N	ØD	q_v [l/s]	q_v [m³/h]	Damper blade position						A_eff [m²]
				OPEN		50%		CLOSED
				∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]
600	98	8	30	<5	<15	<5	<15	7	<15	0.0048
600	98	22	79	22	29	28	30	53	30	0.0048
600	98	36	128	59	42	73	42	139	42	0.0048
600	98	49	178	113	50	139	50	267	51	0.0048
600	123	8	30	<5	<15	<5	<15	<5	<15	0.0048
600	123	22	79	16	28	20	28	29	30	0.0048
600	123	36	129	43	41	53	41	76	43	0.0048
600	123	50	178	83	50	101	50	146	51	0.0048
800	98	11	40	<5	<15	6	<15	12	<15	0.0065
800	98	28	101	28	29	37	31	78	32	0.0065
800	98	45	162	73	42	95	43	202	44	0.0065
800	98	62	224	139	50	180	51	383	51	0.0065
800	123	11	40	<5	<15	<5	<15	6	<15	0.0065
800	123	28	102	19	28	25	28	39	33	0.0065
800	123	46	164	49	41	64	41	102	44	0.0065
800	123	63	226	93	50	122	50	193	52	0.0065
1000	98	14	49	6	<15	8	<15	18	<15	0.0081
1000	98	32	114	31	30	42	33	95	34	0.0081
1000	98	50	179	77	42	104	44	233	44	0.0081
1000	98	68	244	143	50	192	51	432	52	0.0081
1000	123	14	49	<5	<15	5	<15	8	15	0.0081
1000	123	33	118	20	29	28	29	48	35	0.0081
1000	123	52	187	50	41	71	42	119	45	0.0081
1000	123	71	255	94	50	132	51	223	52	0.0081
1200	98	16	59	8	<15	11	16	25	17	0.0097
1200	98	34	122	33	31	46	34	106	35	0.0097
1200	98	52	185	76	42	104	44	244	45	0.0097
1200	98	69	249	136	50	188	51	438	52	0.0097
1200	123	16	59	<5	<15	6	<15	11	19	0.0097
1200	123	36	130	21	30	31	31	54	36	0.0097
1200	123	56	200	50	42	73	43	129	46	0.0097
1200	123	75	270	91	50	134	51	236	52	0.0097

CFS-35-1, supply air, air control elements horizontal, sound power level and total differential pressure

L_N	ØD	q_v [l/s]	q_v [m³/h]	Damper blade position						A_eff [m²]
				OPEN		50%		CLOSED
				∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]
600	98	7	24	<5	<15	<5	<15	6	<15	0.004
600	98	18	65	21	28	24	28	41	29	0.004
600	98	29	106	55	41	64	41	109	42	0.004
600	98	41	147	105	50	123	50	210	50	0.004
600	123	7	24	<5	<15	<5	<15	<5	<15	0.004
600	123	18	64	14	27	16	27	22	28	0.004
600	123	29	105	37	41	43	41	58	42	0.004
600	123	40	145	70	50	82	50	111	50	0.004
900	98	10	36	<5	<15	5	<15	10	<15	0.0059
900	98	25	90	23	29	30	30	63	31	0.0059
900	98	40	143	59	41	76	42	159	43	0.0059
900	98	54	196	112	50	144	51	299	51	0.0059
900	123	10	36	<5	<15	<5	<15	5	<15	0.0059
900	123	25	91	16	28	21	28	32	32	0.0059
900	123	41	146	41	41	53	41	83	43	0.0059
900	123	56	201	77	50	100	50	156	51	0.0059
1200	98	13	49	5	<15	7	<15	17	<15	0.0079
1200	98	31	110	27	30	37	32	86	33	0.0079
1200	98	48	172	66	42	90	43	210	44	0.0079
1200	98	65	233	122	50	167	51	387	52	0.0079
1200	123	13	49	<5	<15	5	<15	8	15	0.0079
1200	123	31	113	18	29	25	29	43	34	0.0079
1200	123	49	178	44	41	62	42	106	45	0.0079
1200	123	67	243	82	50	116	51	198	52	0.0079

CFS-35-2, supply air, air control elements horizontal, sound power level and total differential pressure

L_N	ØD	q_v [l/s]	q_v [m³/h]	Damper blade position						A_eff [m²]
				OPEN		50%		CLOSED
				∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]
600	123	13	49	<5	<15	5	<15	8	15	0.0079
600	123	28	102	17	28	23	28	37	34	0.0079
600	123	43	155	39	41	53	41	87	45	0.0079
600	123	58	208	71	50	96	50	156	52	0.0079
600	138	13	49	<5	<15	5	<15	7	<15	0.0079
600	138	28	102	16	28	21	29	29	29	0.0079
600	138	43	155	38	41	48	41	67	41	0.0079
600	138	58	208	68	50	86	50	121	50	0.0079
900	123	20	73	6	<15	9	<15	17	23	0.0119
900	123	39	140	23	29	34	31	61	38	0.0119
900	123	58	207	50	41	75	43	134	46	0.0119
900	123	76	274	87	50	131	51	235	53	0.0119
900	138	20	73	5	<15	8	<15	12	<15	0.0119
900	138	38	138	20	30	27	31	43	31	0.0119
900	138	57	204	42	42	59	43	93	43	0.0119
900	138	75	269	74	50	104	51	162	51	0.0119
1200	123	27	97	9	15	15	19	28	29	0.0159
1200	123	46	166	27	31	44	34	82	40	0.0159
1200	123	65	236	55	42	87	44	165	48	0.0159
1200	123	85	305	92	50	146	52	276	53	0.0159
1200	138	27	97	8	<15	12	18	19	19	0.0159
1200	138	47	170	24	31	36	34	59	34	0.0159
1200	138	67	243	49	42	73	44	121	45	0.0159
1200	138	88	316	83	50	124	51	204	52	0.0159

CFS-35-3, supply air, air control elements horizontal, sound power level and total differential pressure

L_N	ØD	q_v [l/s]	q_v [m³/h]	Damper blade position						A_eff [m²]
				OPEN		50%		CLOSED
				∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]
600	138	20	73	7	<15	9	16	13	16	0.0119
600	138	35	124	20	31	26	32	39	32	0.0119
600	138	49	176	40	42	53	43	77	43	0.0119
600	138	63	227	67	50	88	50	129	50	0.0119
600	158	20	73	7	<15	8	15	10	15	0.0119
600	158	34	123	19	30	23	32	29	32	0.0119
600	158	48	174	38	42	46	42	57	42	0.0119
600	158	62	225	63	50	76	50	95	50	0.0119
900	138	30	109	11	21	16	23	26	24	0.0178
900	138	46	166	26	34	37	36	59	36	0.0178
900	138	62	222	46	43	67	44	106	44	0.0178
900	138	77	279	73	50	105	51	167	51	0.0178
900	158	30	109	10	20	13	23	18	24	0.0178
900	158	46	164	24	33	30	35	41	36	0.0178
900	158	61	220	42	43	54	44	73	44	0.0178
900	158	76	275	66	50	85	50	114	50	0.0178
1200	138	40	146	17	26	26	30	43	30	0.0238
1200	138	56	200	33	36	49	39	82	39	0.0238
1200	138	71	255	53	44	80	46	132	46	0.0238
1200	138	86	310	78	50	118	51	195	52	0.0238
1200	158	40	146	16	23	21	28	29	28	0.0238
1200	158	58	207	32	35	43	37	59	37	0.0238
1200	158	75	269	54	43	72	44	100	44	0.0238
1200	158	92	331	82	50	109	50	152	50	0.0238

CFS-50-1, supply air, air control elements horizontal, sound power level and total differential pressure

L_N	ØD	q_v [l/s]	q_v [m³/h]	Damper blade position						A_eff [m²]
				OPEN		50%		CLOSED
				∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]
600	123	10	36	<5	<15	<5	<15	5	<15	0.0058
600	123	23	82	16	29	20	29	29	31	0.0058
600	123	36	129	39	42	48	42	71	43	0.0058
600	123	49	175	72	50	89	50	132	51	0.0058
600	138	10	36	<5	<15	<5	<15	<5	<15	0.0058
600	138	23	82	15	28	18	28	23	28	0.0058
600	138	36	129	36	41	43	41	56	41	0.0058
600	138	49	175	67	50	80	50	104	50	0.0058
900	123	15	54	<5	<15	6	<15	10	17	0.0088
900	123	33	119	21	29	29	30	49	35	0.0088
900	123	51	185	50	41	70	42	118	45	0.0088
900	123	70	251	92	50	129	51	216	52	0.0088
900	138	15	54	<5	<15	5	<15	7	<15	0.0088
900	138	33	118	17	28	23	29	34	29	0.0088
900	138	51	182	42	41	55	42	82	42	0.0088
900	138	68	246	76	50	101	50	150	51	0.0088
1200	123	20	71	6	<15	9	<15	16	23	0.0117
1200	123	39	142	23	30	35	32	63	38	0.0117
1200	123	59	212	52	42	78	43	141	46	0.0117
1200	123	78	282	93	50	139	51	250	53	0.0117
1200	138	20	71	<5	<15	7	<15	11	<15	0.0117
1200	138	39	142	19	29	27	31	43	31	0.0117
1200	138	59	212	42	41	61	43	97	43	0.0117
1200	138	79	283	75	50	108	51	172	51	0.0117

CFS-50-2, supply air, air control elements horizontal, sound power level and total differential pressure

L_N	ØD	q_v [l/s]	q_v [m³/h]	Damper blade position						A_eff [m²]
				OPEN		50%		CLOSED
				∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]	∆p_t [Pa]	L_WA [dB(A)]
600	138	20	71	6	<15	9	15	13	15	0.0117
600	138	35	124	20	31	26	32	38	32	0.0117
600	138	49	177	40	42	53	42	78	42	0.0117
600	138	64	230	67	50	89	50	131	50	0.0117
600	158	20	71	6	<15	7	15	9	15	0.0117
600	158	34	123	18	30	22	31	28	32	0.0117
600	158	48	174	37	42	45	42	56	42	0.0117
600	158	63	226	62	50	75	50	95	50	0.0117
900	138	30	107	10	20	15	23	24	23	0.0175
900	138	45	164	24	34	35	35	57	36	0.0175
900	138	61	220	44	43	64	44	103	44	0.0175
900	138	77	277	69	50	101	51	162	51	0.0175
900	158	30	107	10	19	13	22	17	23	0.0175
900	158	46	165	23	33	30	35	40	35	0.0175
900	158	62	223	42	43	55	44	74	44	0.0175
900	158	78	281	67	50	87	50	117	50	0.0175
1200	138	40	143	16	26	24	29	41	30	0.0233
1200	138	55	199	31	36	47	39	79	39	0.0233
1200	138	71	254	50	44	77	45	129	46	0.0233
1200	138	86	310	75	50	114	51	191	52	0.0233
1200	158	40	143	15	26	20	29	28	29	0.0233
1200	158	55	197	28	36	38	38	53	38	0.0233
1200	158	70	251	45	44	61	45	85	45	0.0233
1200	158	85	305	67	50	90	50	126	50	0.0233

Specification text

Slot diffusers for wall installation, diffuser face with up to three slots and individually manually adjustable air control elements for horizontal or vertical air discharge.

The slot diffusers for wall installation can be used for supply air, for extract air or as a supply and extract air combination.

Installation in lightweight partition walls with metal support structure.

Ready-to-install component which consists of the diffuser face with individually adjustable black, white or grey air control elements and of a plenum box with side entry spigot. The mineral wool lining reduces noise transmission.

The diffuser face can be mounted to the plenum box without any tools after drywalling is complete. As no tools are required, fixing is easy and quick after drywalling is complete.

Two adjustable suspension lugs on the plenum box allow for fixing the diffuser to the wall or suspending it from the ceiling (by others).

The spigots are suitable for circular ducts to EN 1506 or EN 13180.

Sound power level of the air-regenerated noise measured according to EN ISO 5135.

Diffuser face made from extruded aluminium sections.

End angles made of aluminium.

Plenum box made of galvanised sheet steel.

Air control elements made of ABS plastic, UL 94, V-0, flame retardant. Lip seal made of Evoprene.

Mineral wool

Mineral wool that comes into contact with air is faced with glass fibre fabric as a protection against erosion due to airflow velocities up to 20 m/s
To EN 13501, fire rating class A1, non-combustible
RAL quality mark RAL-GZ 388
Non-hazardous to health thanks to being highly biosoluble in accordance with the Ordinance on Hazardous Substances and Note Q of the European Directive (EC) No. 1272/2008
Inert to fungal and bacterial growth

Equivalence criteria

Uniform air pattern reduces contamination of the wall caused by the induction of room air
Horizontal or vertical air discharge by means of manually adjustable air control elements
Acoustic lining in the plenum box reduces room-to-room cross talk as well as fan noise transmission through the ductwork
Easy and quick installation of the slot profile without any tools after drywalling is complete
Comfortable indoor climate due to high induction and rapid reduction of temperature differences and airflow velocities
Extruded aluminium sections with anodised finish or powder coating (RAL CLASSIC colour)
The diffuser face has been optimised for maximum volume flow rate at low sound power levels

Variants

Diffuser face finish

With anodised finish, E6-C-0, natural colour

P1: Powder-coated RAL 9010, pure white, GU50

P1: Powder-coated RAL 9006, white aluminium, GU30

P1: Powder-coated in any other RAL CLASSIC colour, GU70

Colour of air control elements

Air control elements similar to RAL 9005, black

G: Air control elements similar to RAL 9006, grey

W: Air control elements similar to RAL 9010, white

Technical data

Nominal lengths:
- PL18: 500, 600, 700, 800, 900, 1000, 1100, 1200 mm
- PL35/50: 450, 600, 750, 900, 1050, 1200 mm
No. of slots: 1, 2 or 3 slots (3 slots only with slot profile 35)
Nominal height: 290 to 440 mm (in increments of 1 mm)
Spigot diameter ØD: 98, 123, 138, 158 mm
Minimum volume flow rate, with Δt_z = -10K: 3 l/s or 12 m³/h
Maximum volume flow rate, at L_WA ≅ 50 dB(A): 122 l/s or 440 m³/h
Supply air to room air temperature difference: -10 - +10 K

Sizing data

L_WA[dB(A)]

q_v [m³/h]

Δp_t[Pa]

Dt [dB]

CFS

–

900 × 340 × 98

–

P1 - RAL 9016

1 Type
CFS Slot diffuser for lightweight partition walls

2 Diffuser face
18 PURELINE18
35 PURELINE35
50 PURELINE50

3 No. of slots
1, 2, 3 (3 slots only in diffuser face 35)

4 System
S Supply air
E Extract air
SE Supply and extract air combination (from length 900 mm)

5 Nominal size [mm]
Nominal length × nominal height × spigot diameter

Nominal length
Diffuser face 18
500 – 1200 (in increments of 100 mm)

Diffuser face 35 or 50
450 – 1200 (in increments of 150 mm)

Nominal height
290 – 440 (standard height 340)

Spigot diameter ØD
98, 123, 138, 158

6 No. of spigots
Only with system S or E
1, 2 (2 spigots are optional from length 900)

7 Damper blade for volume flow rate balancing
No entry: without damper blade
D With damper blade

8 Lip seal
No entry: without lip seal
LS With lip seal

9 Air pattern
No entry: Air control elements horizontal, air discharge vertical (upwards)
V Air control elements vertical, air discharge horizontal

10 Diffuser face finish
No entry: anodised, E6-C-0 (no colour)
P1 Powder-coated, specify RAL CLASSIC colour

Gloss level
RAL 9010 GU50
RAL 9006 GU30
All other RAL colours GU70 (except luminous colours)

11 Colour of air control elements
No entry: similar to RAL 9005 (jet black)
W Similar to RAL 9010 (pure white)
G Similar to RAL 9006 (white aluminium)

Order example: CFS-50-2-SE/900×340×98-D-LS/V/P1-RAL9016/W

Type	CFS
Diffuser face	PURELINE50
Number of slots	2
System	Supply and extract air combination
Nominal size [mm]	Nominal length 900, nominal height 340, spigot diameter 98
Damper blade for volume flow rate balancing	With damper blade
Lip seal	With lip seal
Air pattern	Air control elements vertical, air discharge horizontal
Diffuser face finish	Powder-coated, RAL 9016 (traffic white)
Colour of air control elements	Similar to RAL 9010 (pure white)

Variants

Slot diffuser for wall installation, with 2 spigots

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CFS

CFS

Many variants for the space saving installation into lightweight partition walls

General information

Technical information

Function, Technical data, Quick sizing, Specification text, Order code

Variants

Downloads

informazioni di prodotto

Product data sheet CFS

CFS

Many variants for the space saving installation into lightweight partition walls

General information

Technical information

Function, Technical data, Quick sizing, Specification text, Order code

Variants

Downloads

informazioni di prodotto

Product data sheet CFS

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