VAV-CS • VAV valves with actuator

Circular
Gruner controller

Datasheet Manual / Quick start-up / Regulator VAV-CS HS25 5Nm Manual / Quick start-up / Regulator VAV-CS HS25 10Nm

VAV-CS air flow regulator can be used both for variable and constant flow and, if appropriate, for forced shut-off for both air supply and air exhaust

Application

Regulating of air volumes to change the temperature or air quality in a room
Control and regulate the supply air flow and exhaust air flow
Airflow range can be set between two set values or as constant airflow

Material

Galvanized steel

Composition

Operating range is between 1 to 10 m/s
Integrated flow measurement with seperate measurement nipples for control and manual measurement
The damper has stable bearings made of nylon and its shaft is mounted in maintenance free nylon headings; damper is equipped with a EPDM rubber blade seal conforms to air tightness class 3
Blade air tightness class B in accordance with EN1751:1998 due to EPDM Seal around the blade
Manual measurement of the air flow can be performed without disturbing the control circuit via a separate pressure outlet on the orifice plate of the flow variator
All duct connections have spigot dimensions and are equipped with sealing rings made of rubber

Controls

Controller HS25 of 5Nm (size 100 up to 315) and HS26 of 10Nm (size 355 to 630) are pressure regulated actuators for pressure independent controls and with a digital display which enables monitoring the airflow and setting up values without external equipment
Operating range 0-10V or 2-10V (Standard set on 0-10V)
A simple scewdriver can adjust the settings on site
Units of airflow: l/s or m³/h
Minimum adjustable air volume set at air velocity at 1m/s and maximum adjustable airvolume set at air velocity of 10m/s
Running time over the full actuator range : 100s
Power consumption 2.5W, 4.0VA
Supply voltage 24V AC/DC

Options

Insulated version available upon request

Accessories

Sound attenuator, type SAR
Water heater, type CWA
Electric heater, type CVA

Order example

VAV-CS 100 + SAR 100

Explanation:

VAV-CS = Circular Airflow regulator type

100 = Diameter of the damper

SAR 100 = Sound attenuator type

Air flow Characteristics

VAV-CS	v		1	2	4	6	8	10
100	Qv		28	57	113	170	226	283
	DpT min		4	8	24	47	77	114
	DpT=50Pa	Lw	40	47	45	46	47	48
	DpT=50Pa	NR	34	48	38	40	42	44
	DpT=100Pa	Lw	44	51	52	52	53	53
	DpT=100Pa	NR	40	48	48	46	48	50
	DpT=200Pa	Lw	49	56	62	59	59	60
	DpT=200Pa	NR	48	50	62	54	53	55
	DpT=500Pa	Lw	58	61	67	72	69	69
	DpT=500Pa	NR	58	59	62	72	67	63
125	Qv		44	88	177	265	353	442
	DpT min		4	8	23	44	72	107
	DpT=50Pa	Lw	41	48	46	47	48	49
	DpT=50Pa	NR	35	49	39	41	43	45
	DpT=100Pa	Lw	45	52	53	53	54	54
	DpT=100Pa	NR	41	49	49	47	49	51
	DpT=200Pa	Lw	50	57	63	60	60	61
	DpT=200Pa	NR	49	51	63	55	55	56
	DpT=500Pa	Lw	59	52	68	73	70	70
	DpT=500Pa	NR	59	60	63	73	68	64
160	Qv		72	145	290	434	579	724
	DpT min		4	8	22	41	68	101
	DpT=50Pa	Lw	42	49	47	48	49	50
	DpT=50Pa	NR	36	49	40	43	45	46
	DpT=100Pa	Lw	46	53	54	54	55	55
	DpT=100Pa	NR	42	50	50	48	51	52
	DpT=200Pa	Lw	51	58	64	61	61	62
	DpT=200Pa	NR	50	52	64	56	56	57
	DpT=500Pa	Lw	60	63	69	74	71	71
	DpT=500Pa	NR	60	61	64	74	69	65
200	Qv		113	226	452	679	905	1131
	DpT min		4	8	20	38	63	94
	DpT=50Pa	Lw	43	50	48	49	50	51
	DpT=50Pa	NR	37	50	41	44	46	47
	DpT=100Pa	Lw	47	54	55	55	56	56
	DpT=100Pa	NR	43	51	51	49	52	53
	DpT=200Pa	Lw	52	59	65	62	62	63
	DpT=200Pa	NR	51	53	65	57	57	58
	DpT=500Pa	Lw	61	64	70	75	72	72
	DpT=500Pa	NR	61	62	65	75	70	66
250	Qv		177	353	707	1060	1414	1767
	DpT min		3	7	19	36	59	88
	DpT=50Pa	Lw	44	51	49	50	51	52
	DpT=50Pa	NR	38	51	42	45	47	48
	DpT=100Pa	Lw	48	55	56	56	57	57
	DpT=100Pa	NR	44	52	52	50	53	54
	DpT=200Pa	Lw	53	60	66	63	63	64
	DpT=200Pa	NR	52	54	66	58	58	59
	DpT=500Pa	Lw	62	65	71	76	73	73
	DpT=500Pa	NR	62	63	66	76	71	67
315	Qv		281	561	1122	1683	2244	2806
	DpT min		3	6	18	34	56	84
	DpT=50Pa	Lw	45	52	50	51	52	53
	DpT=50Pa	NR	39	52	43	46	48	50
	DpT=100Pa	Lw	49	56	57	57	58	58
	DpT=100Pa	NR	45	53	53	51	54	56
	DpT=200Pa	Lw	54	61	67	64	64	65
	DpT=200Pa	NR	53	55	67	59	59	60
	DpT=500Pa	Lw	63	66	72	77	74	74
	DpT=500Pa	NR	63	64	67	77	72	68
355	Qv		356	713	1425	2138	2851	3563
	DpT min		3	6	18	33	54	80
	DpT=50Pa	Lw	45	52	50	51	52	53
	DpT=50Pa	NR	40	53	44	47	49	50
	DpT=100Pa	Lw	49	56	57	58	58	59
	DpT=100Pa	NR	46	53	53	52	55	56
	DpT=200Pa	Lw	55	61	67	65	65	65
	DpT=200Pa	NR	54	56	68	59	59	61
	DpT=500Pa	Lw	63	66	73	77	75	74
	DpT=500Pa	NR	63	65	68	77	73	68
400	Qv		452	905	1810	2714	3619	4524
	DpT min		3	6	17	32	53	78
	DpT=50Pa	Lw	45	40	46	50	53	55
	DpT=50Pa	NR	43	37	41	47	51	54
	DpT=100Pa	Lw	39	46	52	56	58	60
	DpT=100Pa	NR	37	43	48	52	55	59
	DpT=200Pa	Lw	48	53	58	61	64	65
	DpT=200Pa	NR	47	50	55	56	60	63
	DpT=500Pa	Lw	58	63	66	69	71	72
	DpT=500Pa	NR	57	60	63	65	66	68
500	Qv		707	1414	2827	4241	5655	7069
	DpT min		3	6	16	30	49	73
	DpT=50Pa	Lw	34	41	47	51	54	56
	DpT=50Pa	NR	31	38	42	48	52	55
	DpT=100Pa	Lw	41	47	53	57	59	61
	DpT=100Pa	NR	39	44	49	53	57	60
	DpT=200Pa	Lw	49	54	59	62	65	66
	DpT=200Pa	NR	48	51	56	57	61	64
	DpT=500Pa	Lw	59	64	67	70	72	73
	DpT=500Pa	NR	58	61	64	66	67	70
630	Qv		1122	2244	4489	6733	8978	11222
	DpT min		2	5	14	28	47	69
	DpT=50Pa	Lw	35	42	48	52	55	57
	DpT=50Pa	NR	32	38	43	49	53	56
	DpT=100Pa	Lw	42	48	54	58	60	62
	DpT=100Pa	NR	40	45	50	54	58	61
	DpT=200Pa	Lw	50	55	60	63	66	67
	DpT=200Pa	NR	49	52	57	58	62	65
	DpT=500Pa	Lw	60	65	68	71	73	74
	DpT=500Pa	NR	59	62	65	67	68	71

Symbols and specifications

VAV-CS 100, 125, ..., 630 = Variable or constant volume damper with duct connection Ø100, Ø125, ..., Ø630
v = In-duct average velocity in m/s
Qv = In-duct average air volume rate in m³/h
DpT min = minimal total pressure drop when valve is 100% opened in Pa
Lw, DpT at 50Pa, 100Pa, 200Pa or 500Pa = A-weighted sound power emitted to the connected duct without silencer at total Pressure drop of 50, 100, 200 or 500Pa given in dB(A)
NR, DpT at 50Pa, 100Pa, 200Pa or 500Pa = Noise rate for sound power emitted to connected duct without silencer at total Pressure drop of 50, 100, 200 or 500Pa

Dimensions

	ØD [mm]	L [mm]	L1 [mm]
VAV-CS 100	98	305	40
VAV-CS 125	123	330	40
VAV-CS 160	158	400	40
VAV-CS 200	198	470	40
VAV-CS 250	248	555	40
VAV-CS 315	313	680	40
VAV-CS 355	353	750	40
VAV-CS 400	398	825	40
VAV-CS 500	498	990	40
VAV-CS 630	628	1220	40

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