Type DID 600B-L

Type DID600B-L

Tested to VDI 6022

Eurovent certification

Water connection

Integral lighting

DID600B-L

Active chilled beam with two-way air discharge, horizontal heat exchangers and integral lighting, suitable for grid ceilings with grid size 600

Active chilled beam for heating and cooling, with 2-pipe or 4-pipe heat exchanger, for integration with various ceiling systems

Preferably for room heights up to 4.00 m
High heating and cooling capacity with a low conditioned primary air volume flow rate and low sound power level
High comfort levels due to low airflow velocity in the occupied zone
Three nozzle variants to optimise induction based on demand
Side entry or top entry primary air spigot
Removable induced air grille

Optional equipment and accessories

Control system
Additional casing for extract air
Heat exchanger powder-coated black
Powder coating in many different colours, e.g. RAL CLASSIC
Choice of two types of light fitting, or installation opening for light fitting to be installed by others

Application

Application

Active chilled beams of Type DID600B-L for the integration into various ceiling systems, preferably for room heights up to 4.00 m
Particularly suitable for grid ceilings with grid size 600
Air conditioning and lighting combined in one unit
2-pipe or 4-pipe heat exchangers enable good comfort levels with a low conditioned primary air volume flow rate
Energy-efficient solution since water is used for heating and cooling

Special characteristics

Project-specific testing and factory assembly of light fittings
2 horizontal heat exchangers, factory connected as 2-pipe or 4-pipe system
1 or 2 integral strip light fittings
Side entry or top entry primary air spigots
Internal nozzle plate with punched nozzles (non-combustible)
Water connections at the narrow side, Ø12 mm Cu pipe, with plain tails or with G½" external thread, or with a G½" union nut; with flat seal

Nominal sizes

900, 1200, 1500, 1800, 2100, 2400, 2700, 3000 mm (3000 mm only without additional casing)

Description

Variants

Heat exchanger

2: 2-pipe systems
4: 4-pipe systems

Nozzle variants

K: Small
M: Medium
G: Large

Construction

Powder-coated RAL 9010, pure white, gloss level 50 %
P1: Powder-coated in any other RAL colour, gloss level 70 %
P1: Powder-coated RAL 9006, white aluminium, gloss level 30 %

Attachments

1 or 2 strip light fittings, LED, Zumtobel brand
Additional extract air casing with side or top extract air spigot
Water connection A1: G½" external thread and flat seal
Water connection A2: G½" union nut and flat seal

Accessories

Support angles for installation into linear beam grid ceilings

Useful additions

Connecting hoses
Control equipment consisting of a control panel including a controller with integral room temperature sensor; valves and valve actuators; and lockshields (no lighting control)
X-AIRCONTROL control system

Construction features

Spigot is suitable for circular ducts to EN 1506 or EN 13180
Four suspension points for on-site installation (by others)
Three nozzle variants to optimise induction based on demand
Optional additional casing for extract air, with a side spigot, either on the same or on the opposite side, or with a top spigot

Materials and surfaces

Casing, front frame and perforated induced air grille made of galvanised sheet steel
Heat exchanger with copper tubes and aluminium fins
Exposed surfaces are powder-coated pure white (RAL 9010) or in any other RAL colour
Heat exchanger also in black (RAL 9005)
Nozzle plate powder-coated black (RAL 9005)
Extract air spigot made of galvanised sheet steel
Nozzle plate made of sheet steel

Standards and guidelines

Products are certified by Eurovent (no. 09.12.432) and listed on the Eurovent website
Declaration of hygiene conformity to VDI 6022

Maintenance

No moving parts, hence low maintenance
The heat exchanger can be vacuumed with an industrial vacuum cleaner if necessary
VDI 6022, Part 1, applies (Hygiene requirements for ventilation and air-conditioning systems and units)

Technical information

Function, Technical data, Quick sizing, SPECIFICATION TEXT, ORDER CODE, Related products

Schematic illustration of DID600B-L

① Casing top
② Top entry primary air spigot
③ Nozzles
④ Chilled water connections
⑤ Hot water connections
⑥ Casing
⑦ Perforated induced air grille
⑧ Heat exchanger (Ø12 mm pipe)
⑨ Light fitting
⑩ Supply air slots
⑪ Horizontal primary air spigot

Functional description

Active chilled beams provide centrally conditioned primary air (fresh air) to the room and use heat exchangers for additional cooling and/or heating.

The primary air is discharged through nozzles into the mixing chambers; as a result of this, secondary air (room air) is induced via the induced air grilles and passes through the horizontal heat exchangers.

Primary and secondary air mix and are then supplied to the room horizontally through the supply air slots.

The DID600B-L doubles as a luminaire.

Nominal length	900, 1200, 1500, 1800, 2100, 2400, 2700, 3000 mm
Length	1493 – 3000 mm
Height	210 mm
Width	593 mm
Primary air spigot, diameter	123/158 mm
Primary air volume flow rate	3 – 43 l/s or 11 – 155 m³/h
Cooling capacity	Up to 1515 W
Heating capacity	Up to 1780 W
Max. operating pressure, water side	6 bar
Max. operating temperature	75 °C

The quick sizing table contains operating points for defined reference units. For other operating points you may use the Easy Product Finder design software.

Quick sizing

L_N	①	Primary air		②	③	Cooling mode				Heating mode
L_N	①	Primary air		②	③	2-pipe and 4-pipe systems				4-pipe system
L_N	①	V_Pr		Δp_t	L_WA	Q_tot	Q_WK	Δt_W	Δp_W	Q_WH= Q_tot	Δt_W	Δp_W
L_N	①	l/s	m³/h	Pa	dB(A)	W		K	kPa	W	K	kPa
900	K	3	11	53	<20	185	149	1.2	2.5	251	4.3	0.20
900	K	4	15	94	<20	265	217	1.7	2.5	340	5.8	0.20
900	K	5	18	177	23	327	267	2.1	2.5	405	7	0.20
900	M	7	25	47	<20	323	238	1.9	2.5	367	6.3	0.20
900	M	10	36	95	28	437	317	2.5	2.5	476	8.2	0.20
900	M	13	47	161	35	528	371	2.9	2.5	551	9.5	0.20
900	G	12	43	37	23	414	269	2.1	2.5	414	7.1	0.20
900	G	16	58	66	31	519	326	2.6	2.5	495	8.5	0.20
900	G	20	72	104	37	610	369	2.9	2.5	554	9.5	0.20
1200	K	4	14	50	<20	237	188	1.5	3.2	322	5.5	0.24
1200	K	6	22	113	23	387	314	2.5	3.2	483	8.3	0.24
1200	K	8	29	201	31	492	396	3.1	3.2	586	10.1	0.24
1200	M	9	32	41	20	405	297	2.3	3.2	457	7.9	0.24
1200	M	14	50	100	37	590	422	3.3	3.2	629	10.8	0.24
1200	M	19	68	184	41	729	500	3.9	3.2	736	12.7	0.24
1200	G	17	61	40	30	570	365	2.9	3.2	555	9.6	0.24
1200	G	21	76	61	36	671	418	3.3	3.2	630	10.8	0.24
1200	G	25	90	86	41	762	460	3.6	3.2	688	11.8	0.24
1500	K	5	18	49	<20	287	227	1.8	3.8	388	6.7	0.30
1500	K	8	29	126	28	500	403	3.2	3.8	611	10.5	0.30
1500	K	11	40	237	36	641	509	4	3.8	743	12.8	0.30
1500	M	11	40	38	22	483	351	2.7	3.8	539	9.3	0.30
1500	M	16	58	81	32	673	480	3.8	3.8	715	12.3	0.30
1500	M	21	76	140	40	818	564	4.4	3.8	829	14.3	0.30
1500	G	22	79	42	35	717	452	3.5	3.8	683	11.8	0.30
1500	G	24	86	50	37	768	478	3.7	3.8	719	12.4	0.30
1500	G	26	94	58	40	816	502	3.9	3.8	752	12.9	0.30
1800	K	5	18	34	<20	233	172	1.3	4.4	339	5.8	0.33
1800	K	9	32	109	28	552	443	3.5	4.4	675	11.6	0.33
1800	K	13	47	227	38	740	583	4.6	4.4	849	14.6	0.33
1800	M	13	47	37	23	559	402	3.1	4.4	617	10.6	0.33
1800	M	19	68	79	34	781	557	4.3	4.4	819	14.1	0.33
1800	M	25	90	136	41	950	649	5.1	4.4	947	16.3	0.33
1800	G	26	94	40	38	823	520	4.1	4.4	782	13.4	0.33
1800	G	28	101	46	40	883	545	4.3	4.4	816	14	0.33
1800	G	30	108	53	42	930	569	4.4	4.4	848	14.6	0.33
2100	K	6	22	35	<20	310	238	1	14.7	567	4.4	1.60
2100	K	10	36	98	28	685	565	2.4	14.7	1074	8.4	1.60
2100	K	14	50	193	37	924	755	3.2	14.7	1368	10.7	1.60
2100	M	16	58	41	26	760	567	2.4	14.7	1067	8.3	1.60
2100	M	21	76	70	34	976	722	3.1	14.7	1327	10.4	1.60
2100	M	26	94	107	40	1150	836	3.6	14.7	1517	11.9	1.60
2100	G	31	112	42	40	1090	716	3.1	14.7	1328	10.4	1.60
2400	K	7	25	37	<20	366	282	1.2	16.5	660	5.2	1.70
2400	K	11	40	91	28	741	608	2.6	16.5	1163	9.1	1.70
2400	K	15	54	169	37	986	805	3.5	16.5	1465	11.5	1.70
2400	M	18	65	39	27	843	626	2.7	16.5	1176	9.2	1.70
2400	M	23	83	64	34	1060	782	3.4	16.5	1436	11.2	1.70
2400	M	28	101	95	40	1237	900	3.9	16.5	1630	12.7	1.70
2400	G	35	126	40	42	1217	795	3.4	16.5	1469	11.5	1.70
2700	K	8	29	38	<20	421	324	1.4	18.3	751	5.9	1.90
2700	K	13	47	100	31	865	708	3	18.3	1336	10.4	1.90
2700	K	18	65	192	40	1146	929	4	18.3	1672	13.1	1.90
2700	M	20	72	38	28	923	682	2.9	18.3	1280	10	1.90
2700	M	25	90	60	34	1141	839	3.6	18.3	1539	12	1.90
2700	M	30	108	86	40	1320	958	4.1	18.3	1735	13.6	1.90
2700	G	40	144	42	45	1368	886	3.8	18.3	1629	12.7	1.90
3000	K	9	32	39	<20	475	366	1.6	20	839	6.6	2.10
3000	K	14	50	94	31	917	748	3.2	20	1417	11.1	2.10
3000	K	19	68	173	40	1204	975	4.2	20	1759	13.8	2.10
3000	M	23	83	41	30	1049	772	3.3	20	1439	11.2	2.10
3000	M	28	101	61	36	1257	920	4	20	1680	13.1	2.10
3000	M	33	119	84	40	1331	696	4.2	20	1761	13.8	2.10
3000	G	45	167	43	47	1515	972	4.2	20	1780	13.9	2.10

① Nozzle variant ② Pressure drop ③ Air-regenerated noise

Reference values

Parameter	Cooling	Heating
t_R	26 °C	22 °C
t_Pr	16 °C	22 °C (isothermal)
t_WV	16 °C	50 °C
V_W (L_N 900 – 1800)	150 l/h	60 l/h
V_W (L_N 2100 – 3000)	220 l/h	90 l/h

Active chilled beams of Type DID600B-L, with two-way air discharge and high thermal output, for air-water systems.

For installation flush with the ceiling, preferably in rooms with a height up to 4.00 m.

The units consist of a casing with suspension points, a spigot, non-combustible nozzles, a horizontal heat exchanger, and one or two strip light fittings.

Three nozzle variants to optimise induction based on demand.

Special characteristics

Project-specific testing and factory assembly of light fittings
2 horizontal heat exchangers, factory connected as 2-pipe or 4-pipe system
1 or 2 integral strip light fittings
Side entry or top entry primary air spigots
Internal nozzle plate with punched nozzles (non-combustible)
Water connections at the narrow side, Ø12 mm Cu pipe, with plain tails or with G½" external thread, or with a G½" union nut; with flat seal

Materials and surfaces

Casing, front frame and perforated induced air grille made of galvanised sheet steel
Heat exchanger with copper tubes and aluminium fins
Exposed surfaces are powder-coated pure white (RAL 9010) or in any other RAL colour
Heat exchanger also in black (RAL 9005)
Nozzle plate powder-coated black (RAL 9005)
Extract air spigot made of galvanised sheet steel
Nozzle plate made of sheet steel

Construction

Powder-coated RAL 9010, pure white, gloss level 50 %
P1: Powder-coated in any other RAL colour, gloss level 70 %
P1: Powder-coated RAL 9006, white aluminium, gloss level 30 %

Technical data

Nominal length: 900, 1200, 1500, 1800, 2100, 2400, 2700, 3000 mm
Length: 1493 – 3000 mm
Height: 210 mm
Width: 593 mm
Primary air spigot, diameter: 123/158 mm
Primary air volume flow rate: 3 – 43 l/s or 11 – 155 m³/h
Cooling capacity: up to 1515 W
Heating capacity: up to 1780 W
Max. operating pressure: 6 bar
Max. operating temperature: 75 °C

Sizing data

Primary air

V _______________________ [m³/h]
Δp_t _______________________ [Pa]

Air-regenerated noise

L_WA _______________________ [dB(A)]

Cooling

Q_ges _______________________ [W]

Heating

Q_ges _______________________ [W]

This specification text describes the general properties of the product. Texts for variants can be generated with our Easy Product Finder design programme.

DID600B-L-2-M-V-M/1793×1200/1-ZL24-1

Heat exchanger	2-pipe
Nozzle variant	Medium
Arrangement of casings and connections	Centre, with top entry primary air spigot
Total length (diffuser face) × nominal length	1793 × 1200 mm
Exposed surface	RAL 9010, pure white, gloss level 50 %
Surface of heat exchanger	Untreated
No. of light fittings	1
Brand and wattage	Zumtobel, 24 W
Light fitting construction	LED
Valves and actuators	Without

DID600B-L-4-M-LV-ARV/2393×1800/P1-RAL9016/G3/1-ZL24-1/VS

Heat exchanger	4-pipe
Nozzle variant	Medium
Arrangement of casings and connections	Left side; side entry primary air spigot; extract air spigot on the right, connected on the same side as the primary air spigot
Total length (diffuser face) × nominal length	2393 × 1800 mm
Exposed surface	P1 RAL 9016, traffic white, gloss level 70 %
Surface of heat exchanger	Black (RAL 9005)
No. of light fittings	1
Brand and wattage	Zumtobel, 24 W
Light fitting construction	LED
Valves and actuators	With

Attachments, Dimensions and weight, Supply and extract air combination

Light fitting – ZL -

Modular LED recessed ceiling light with lens optics and electronic ballast is available in 3 variants for the DID600B-L. The recessed light fitting is made of sheet steel, with a white thermal coating, and provided with extract openings. The light fitting can be controlled via DALI and contains a digitally dimmable electronic ballast. Delivery without connecting cable.

Dimensions

Light fitting	Dimensions	Wattage	Total luminous flux	Power rating
Light fitting	Casing	Wattage	Total luminous flux	Power rating
1 - ZL24 - …	1198 × 114 × 70 mm	1 × 24 W	3480 lm	24 W
2 - ZL24 - …	1198 × 114 × 70 mm	2 × 24 W	per light fitting 3480 lm	48 W
1 - ZL31 - …	1498 × 114 × 70 mm	1 × 31 W	4255 lm	31 W

DID600B-L, Construction with side entry primary air spigot

Supply air

Variant	L_N	L₁				LH	LL				LR
Variant	L_N	①	②	③		LH	①	②	③		①	②	③
Variant	L_N	min			max	LH	min			max	min			max
V-S, H-SV, H-SH	1500	1493	–	–	1500	1400	40	40	40	43	54	54	54	58
V-S, H-SV, H-SH	1800	1793	1800	–	1800	1700	40	40	40	43	54	54	54	58
V-S, H-SV, H-SH	2100	2093	2100	–	2100	2000	40	40	40	43	54	54	54	58
V-S, H-SV, H-SH	2400	2393	2400	–	2400	2300	40	40	40	43	54	54	54	58
V-S, H-SV, H-SH	2700	2693	2700	2700	2700	2600	40	40	40	43	54	54	54	58
V-S, H-SV, H-SH	3000	2993	3000	3000	3000	2900	40	40	40	43	54	54	54	58
V-L, H-LV, H-LH	900	901	–	–	1500	800	43	43	43	43	650.5	–	–	657.5
V-L, H-LV, H-LH	1200	1201	1727	–	1800	1100	43	43	43	43	350.5	584.5	–	657.5
V-L, H-LV, H-LH	1500	1501	1727	–	2100	1400	43	43	43	43	58.5	284.5	–	657.5
V-L, H-LV, H-LH	1800	1801	1801	–	2400	1700	43	43	43	43	58.5	58.5	–	657.5
V-L, H-LV, H-LH	2100	2101	2101	2693	2700	2000	43	43	43	43	58.5	58.5	650.5	657.5
V-L, H-LV, H-LH	2400	2401	2401	2693	3000	2300	43	43	43	43	58.5	58.5	350.5	657.5
V-L, H-LV, H-LH	2700	2701	2701	2701	3000	2600	43	43	43	43	58.5	58.5	58.5	357.5
V-M, H-MV, H-MH	900	901	1727	–	1500	800	–	–	–	–	–	–	–	–
V-M, H-MV, H-MH	1200	1201	1727	–	1800	1100	–	–	–	–	–	–	–	–
V-M, H-MV, H-MH	1500	1501	1727	–	2100	1400	–	–	–	–	–	–	–	–
V-M, H-MV, H-MH	1800	1801	1801	–	2400	1700	–	–	–	–	–	–	–	–
V-M, H-MV, H-MH	2100	2101	2101	2693	2700	2000	–	–	–	–	–	–	–	–
V-M, H-MV, H-MH	2400	2401	2401	2693	3000	2300	–	–	–	–	–	–	–	–
V-M, H-MV, H-MH	2700	2701	2701	2701	3000	2600	–	–	–	–	–	–	–	–
V-R, H-RV, H-RH	900	901	–	–	1500	800	636	–	–	643	58	58	58	58
V-R, H-RV, H-RH	1200	1201	1727	–	1800	1100	336	570	–	643	58	58	58	58
V-R, H-RV, H-RH	1500	1501	1727	–	2100	1400	43	270	–	643	58	58	58	58
V-R, H-RV, H-RH	1800	1801	1801	–	2400	1700	43	43	–	643	58	58	58	58
V-R, H-RV, H-RH	2100	2101	2101	2693	2700	2000	43	43	636	643	58	58	58	58
V-R, H-RV, H-RH	2400	2401	2401	2693	3000	2300	43	43	336	643	58	58	58	58
V-R, H-RV, H-RH	2700	2701	2701	2701	3000	2600	43	43	43	343	58	58	58	58

① 1 light fitting, 24 W

② 1 light fitting, 31 W

③ 2 light fittings, 24 W

Dimensions [mm]

L_N	ØD
900 – 1800	123
2100 – 3000	158

Weight per unit [kg]

Unit length L [mm]	Nominal length L_N [mm]
Unit length L [mm]	900	1200	1500	1800	2100	2400	2700	3000
1500	27	31	35	-	-	-	-	-
1800	30	34	38	42	-	-	-	-
2100	-	-	41	45	49	-	-	-
2400	-	-	-	49	53	56	-	-
2700	-	-	-	-	57	60	63	-
3000	-	-	-	-	-	64	67	70
Contained water (max.)	1.8	2.4	3.0	3.6	4.2	4.8	5.4	6.0

24 W light fittings: 4 kg/piece

31 W light fittings: 4 kg/piece

DID600B-L, Construction with side entry primary air and side extract air spigots

Supply air and extract air

Variant	L_N	L₁				LH	LL				LR
Variant	L_N	①	②	③		LH	①	②	③		①	②	③
Variant	L_N	min			max	LH	min			max	min			max
V-L-AR, H-LV-ARV, H-LH-ARV, H-LV-ARH, H-LH-ARH	900	1493	–	–	1500	800	43	43	43	43	650.5	–	–	657.5
V-L-AR, H-LV-ARV, H-LH-ARV, H-LV-ARH, H-LH-ARH	1200	1493	1727	–	1800	1100	43	43	43	43	350.5	584.5	–	657.5
V-L-AR, H-LV-ARV, H-LH-ARV, H-LV-ARH, H-LH-ARH	1500	1695	1727	–	2100	1400	43	43	43	43	252.5	284.5	–	657.5
V-L-AR, H-LV-ARV, H-LH-ARV, H-LV-ARH, H-LH-ARH	1800	1995	1995	–	2400	1700	43	43	43	43	252.5	252.5	–	657.5
V-L-AR, H-LV-ARV, H-LH-ARV, H-LV-ARH, H-LH-ARH	2100	2295	2295	2693	2700	2000	43	43	43	43	252.5	252.5	650.5	657.5
V-L-AR, H-LV-ARV, H-LH-ARV, H-LV-ARH, H-LH-ARH	2400	2595	2595	2693	3000	2300	43	43	43	43	252.5	252.5	350.5	657.5
V-L-AR, H-LV-ARV, H-LH-ARV, H-LV-ARH, H-LH-ARH	2700	2895	2895	2895	3000	2600	43	43	43	43	252.5	252.5	252.5	357.5
V-R-AL, H-RV-ALV, H-RH-ALV, H-RV-ALH, H-RH-ALH	900	1493	–	–	1500	800	636	–	–	643	58	58	58	58
V-R-AL, H-RV-ALV, H-RH-ALV, H-RV-ALH, H-RH-ALH	1200	1493	1727	–	1800	1100	336	570	–	643	58	58	58	58
V-R-AL, H-RV-ALV, H-RH-ALV, H-RV-ALH, H-RH-ALH	1500	1695	1727	–	2100	1400	43	270	–	643	58	58	58	58
V-R-AL, H-RV-ALV, H-RH-ALV, H-RV-ALH, H-RH-ALH	1800	1995	1995	–	2400	1700	43	238	–	643	58	58	58	58
V-R-AL, H-RV-ALV, H-RH-ALV, H-RV-ALH, H-RH-ALH	2100	2295	2295	2693	2700	2000	43	238	636	643	58	58	58	58
V-R-AL, H-RV-ALV, H-RH-ALV, H-RV-ALH, H-RH-ALH	2400	2595	2595	2693	3000	2300	43	238	336	643	58	58	58	58
V-R-AL, H-RV-ALV, H-RH-ALV, H-RV-ALH, H-RH-ALH	2700	2895	2895	2895	3000	2600	43	238	238	243	–	–	–	–

① 1 light fitting, 24 W

② 1 light fitting, 31 W

③ 2 light fittings, 24 W

Dimensions [mm]

L_N	ØD
900 – 1800	123
2100 – 3000	158

Weight per unit [kg]

Unit length L [mm]	Nominal length L_N [mm]
Unit length L [mm]	900	1200	1500	1800	2100	2400	2700	3000
1500	27	31	35	-	-	-	-	-
1800	30	34	38	42	-	-	-	-
2100	-	-	41	45	49	-	-	-
2400	-	-	-	49	53	56	-	-
2700	-	-	-	-	57	60	63	-
3000	-	-	-	-	-	64	67	70
Contained water (max.)	1.8	2.4	3.0	3.6	4.2	4.8	5.4	6.0

Extract air casing: 3 kg/m/piece

24 W light fittings: 4 kg/piece

31 W light fittings: 4 kg/piece

Installation details, Basic information and nomenclature

Ceiling installation, visible T-bars

① DID

Installation and commissioning

Preferably for rooms with a clear height up to 4.00 m
Flush ceiling installation, particularly for grid ceilings with grid size 600
Choice of side entry or top entry primary air spigot
Lengths from 1493 to 3000 mm, and width of 593 mm, hence suitable for various ceiling systems
Installation and connections to be performed by others; fixing, connection and sealing material to be provided by others
Active chilled beam has 4 suspension points for on-site installation (by others)

Installation into linear beam grid ceilings

This is possible with the optional support angles (supplied separately)
No levelling required

Installation into T-bar ceilings or continuous ceilings

To avoid too much load on the ceiling, the suspension points should be used

Schematic illustration of mixed flow ventilation

L_N [mm]

Nominal length

L_WA [dB(A)]

Sound power level

t_Pr [°C]

Primary air temperature

t_WV [C°]

Water flow temperature – cooling/heating

t_R [C°]

Room temperature

t_R [C°]

Room temperature

t_AN [C°]

Secondary air intake temperature

Q_Pr [W]

Thermal output – primary air

Q_tot [W]

Thermal output – total

Q_W [W]

Thermal output – water side, cooling/heating

V_Pr [l/s]

Primary air volume flow rate

V_Pr [m³/h]

Primary air volume flow rate

V_W [l/h]

Water flow rate – cooling/heating

V [l/h]

Volume flow rate

∆t_W [K]

Temperature difference – water

∆p_W [kPa]

Pressure drop, water side

∆p_t [Pa]

Total pressure drop, air side

∆t_Pr = t_Pr - t_R [K]

Difference between primary air temperature and room temperature

∆t_RWV = t_WV - t_R [K]

Difference between water flow temperature and room temperature

∆t_Wm-Ref [K]

Difference between mean water temperature and reference temperature

L_N [mm]

Nominal length

Mixed flow

The supply air is discharged from the diffuser into the space with a velocity between 2 and 5 m/s. The resulting air jet mixes with the room air, ventilating the entire space. Mixed flow systems typically provide a uniform temperature distribution and air quality within the space. The originally high velocity of the turbulent air jet decreases rapidly due to the high induction levels of mixed flow systems.

Heat exchanger

The maximum water-side operating pressure for all heat exchangers is 6 bar.

The maximum water flow temperature (heating circuit) for all heat exchangers is 75 °C; if flexible hoses are used, the water flow temperature should not exceed 55 °C. Units for other pressures and temperatures are available on request.

The water flow temperature (cooling circuit) should be at least 16 °C such that it does not permanently fall below the dew point. For units with a condensate drip tray the water flow temperature may be reduced to 15 °C.

Heat exchanger as 2-pipe system

Air-water systems with a 2-pipe heat exchanger may be used for either heating or cooling. In changeover mode it is possible to use all units within a water circuit exclusively for cooling in summer and exclusively for heating in winter.

Heat exchanger as 4-pipe system

Air-water systems with a 4-pipe heat exchanger may be used for both heating and cooling. Depending on the season, i.e. especially in spring and autumn, it may be possible that an office has to be heated in the morning and cooled in the afternoon.

Downloads

product information

Print page Type DID 600B-L
Product data sheet Type DID600B-L

PD_2019_04_DID600B-L_DE_en Product data sheet 2.7 MB pdf

certificates

Declaration of hygiene conformity Type DID600B-L

DID600B-L_HC_2020_06_05_DE_en Hygiene certificate 1.6 MB pdf

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