CWA-S • Hot water coil

Circular heater
Hot water
Duct

Datasheet Certificates / CE Certificates / CE

Circular hot water heating battery, easy to install and with a removable service panel allowing acces for cleaning the coil

Application

Zone heating

Material

Casing made of galvanised sheet steel, the circular connections are equipped with an EPDM rubber.
The coil consists of copper tubes with aluminium fins.

Specifications

Max. operating temperature: 100°C
Max. operating pressure: 2.2MPa
Findistance: 2,5 mm
Batterij met 3 rangen
Airthightness class:

Class C for CWA 100 S - CWA 400 S, according to EN15272/2010 (expect CWA 160 S)
Class D for CWA 160 S and CWA 500 S, according to EN15272/2010

Mounting

Round ducts

Accessoires

2 or 3-way regulation valves, type QCV-2 or QCV-3

Text for tender

The heating coil shall be out of copper tubes with aluminium fins, the copper tubes shall be positioned zig-zag this for an effective and econmic heat transfer from the circulated heating medium to the air. The casing of the heating coil shall be made of galvanised steel sheet with circular connections with on each connection a solid EPDM rubber. The casing of the heating coil shall have a removable service panel this to inspect the coil and clean it.

Order example

CWA, 200 + N2, D10 + T24SR

Explanation

CWA = Type warmwater heater

200 = Diameter in mm, (see table)

Accessories

N2 = 2-way valve, N3 = 3-way valve

D10 = Connection diameter (selection made by means of the KVS value), (see table)

T24SR = Modulating valve actuator, T24 = On/off valve actuator 24V, T230 = On/off valve actuator 230V

Technical data

	Q [m³/h]	ΔP [Pa]	Ti [C°]	Tw 70°C/50°C				Tw 60°C/40°C				Tw 40°C/30°C
	Q [m³/h]	ΔP [Pa]	Ti [C°]	Tu [C°]	P [kW]	Qw [l/s]	ΔPw [kPa]	Tu [C°]	P [kW]	Qw [l/s]	ΔPw [kPa]	Tu [C°]	P [kW]	Qw [l/s]	ΔPw [kPa]
CWA 100 S	100	3	-10	33	1.44	0.017	0.25	23.1	1.11	0.013	0.15	17.5	0.92	0.022	0.43
		3	0	35.3	1.18	0.014	0.18	26.1	0.87	0.01	0.078	18.8	0.63	0.015	0.21
		3	10	37.1	0.91	0.011	0.11	30.3	0.68	0.008	0.054	23.4	0.45	0.011	0.1
	150	6	-10	26.7	1.86	0.023	0.41	18.6	1.45	0.017	0.26	1.19	1.19	0.028	0.67
		6	0	30.1	1.52	0.018	0.28	21.5	1.09	0.013	0.15	16.6	0.84	0.02	0.36
		6	10	33.2	1.17	0.014	0.18	26.4	0.83	0.01	0.078	20.5	0.53	0.013	0.13
	200	10	-10	21.3	2.12	0.026	0.53	14.7	1.67	0.02	0.35	10.3	1.37	0.033	0.92
		10	0	25.9	1.75	0.021	0.38	18.6	1.26	0.015	0.2	14.3	0.97	0.023	0.46
		10	10	29.8	1.32	0.016	0.23	23	0.88	0.011	0.11	18.4	0.57	0.013	0.13
CWA 125 S	180	8	-10	24.9	2.12	0.026	0.53	17.6	1.68	0.02	0.35	12.6	1.37	0.033	0.92
		8	0	28.9	1.75	0.021	0.38	20.7	1.26	0.015	0.2	15.9	0.97	0.023	0.46
		8	10	32.1	1.34	0.016	0.23	24.5	0.88	0.011	0.11	19.4	0.57	0.013	0.13
	270	17	-10	18.6	2.61	0.032	0.79	12.7	2.07	0.026	0.53	8.5	1.68	0.04	1.3
		17	0	23.7	2.16	0.027	0.57	17.4	1.59	0.019	0.31	13.2	1.21	0.029	0.72
		17	10	28.3	1.67	0.021	0.34	21.9	1.09	0.013	0.15	17.3	0.67	0.016	0.23
	360	27	-10	17.1	3.29	0.04	1.2	11.3	2.59	0.032	0.8	7.6	2.14	0.051	2.1
		27	0	22.1	2.69	0.033	0.84	16.6	2.01	0.024	0.49	12.5	1.51	0.036	1.1
		27	10	27.3	2.1	0.026	0.53	21.7	1.42	0.017	0.26	17.2	0.88	0.021	0.39
CWA 160 S	200	6	-10	29.4	2.67	0.033	1.2	22.1	2.18	0.026	0.82	15.3	1.72	0.041	2
		6	0	33.1	2.25	0.028	0.87	25.6	1.74	0.021	0.54	18.7	1.27	0.03	1.1
		6	10	36.2	1.78	0.021	0.54	28.5	1.25	0.015	0.29	21.7	0.79	0.019	0.46
	330	14	-10	21.6	3.52	0.043	2	15.7	2.86	0.035	1.4	10.5	2.29	0.056	3.5
		15	0	26.4	2.94	0.036	1.4	20.3	2.26	0.028	0.88	15.1	1.68	0.04	1.9
		14	10	31.1	2.35	0.029	0.94	25.2	1.69	0.02	0.5	19.5	1.05	0.025	0.77
	460	25	-10	19.7	4.6	0.056	3.4	14.2	3.74	0.046	2.3	9.3	2.99	0.073	5.8
		25	0	24.8	3.84	0.047	2.4	19	2.95	0.036	1.4	14.2	2.21	0.053	3.2
		25	10	29.6	3.04	0.037	1.5	24.5	2.24	0.028	0.88	19	1.39	0.033	1.3
CWA 200 S	350	16	-10	21.1	3.68	0.045	2.2	15.3	3	0.037	1.5	10.1	2.38	0.057	3.7
		16	0	26	3.08	0.038	1.6	19.9	2.36	0.029	0.94	14.9	1.76	0.042	2.1
		16	10	30.6	2.44	0.03	1	24.9	1.77	0.021	0.54	19.3	1.1	0.026	0.83
	500	29	-10	18.8	4.87	0.059	3.8	13.3	3.94	0.048	2.5	8.7	3.17	0.077	6.5
		30	0	23.9	4.04	0.049	2.6	18.5	3.12	0.038	1.6	13.8	2.33	0.056	3.6
		31	10	29	3.22	0.039	1.7	23.9	2.35	0.029	0.94	18.7	1.47	0.035	1.5
	650	47	-10	14.5	5.37	0.066	4.6	9.8	4.34	0.053	3.1	6	3.51	0.085	7.9
		47	0	20.3	4.46	0.054	3.2	16	3.51	0.043	2	11.7	2.58	0.063	4.4
		48	10	26.5	3.61	0.044	2.1	21.9	2.62	0.032	1.1	17.6	1.66	0.04	1.9
CWA 250 S	500	14	-10	23.9	5.73	0.069	7	18.2	4.76	0.058	5	12	3.72	0.09	12
		14	0	28.8	4.86	0.059	5.2	22.8	3.86	0.047	3.3	16.7	2.83	0.069	7.1
		14	10	33.4	3.95	0.048	3.4	27.7	2.99	0.037	2.1	21.1	1.88	0.045	3.2
	750	27	-10	21.2	7.9	0.096	13	15.8	6.54	0.079	9.2	10.3	5.14	0.124	22
		27	0	26.4	6.69	0.082	9.6	20.9	5.28	0.064	6.1	15.3	3.88	0.094	13
		28	10	31.3	5.4	0.066	6.2	26.2	4.11	0.05	3.8	20.2	2.58	0.063	6
	1000	45	-10	16.4	8.9	0.11	17	11.8	7.35	0.089	12	7.2	5.8	0.14	28
		45	0	22.2	7.49	0.091	12	17.8	6.01	0.073	7.9	12.9	4.36	0.11	16
		45	10	28.8	6.13	0.079	8	23.9	4.68	0.057	4.8	18.7	2.93	0.071	7.5
CWA 315 S	750	14	-10	22.1	8.12	0.099	2	16.1	6.62	0.08	1.4	10.8	5.26	0.127	3.4
		14	0	26.9	6.8	0.083	1.4	20.8	5.27	0.064	0.9	15.4	3.9	0.094	1.9
		14	10	31.5	5.44	0.066	0.95	25.7	3.96	0.048	0.52	19.9	2.49	0.061	0.84
	1000	23	-10	20.5	10.29	0.126	3.2	14.8	8.37	0.102	2.2	9.8	6.68	0.161	5.4
		23	0	25.5	8.58	0.104	2.2	19.7	6.64	0.08	1.4	14.7	4.94	0.119	3
		24	10	30.3	6.86	0.084	1.5	25	5.04	0.061	0.82	19.4	3.17	0.077	1.3
	1500	46	-10	14.7	12.49	0.152	4.6	10	10.12	0.123	3.1	6.1	8.14	0.196	7.8
		47	0	12.5	10.39	0.127	3.2	16.2	8.21	0.1	2.1	11.9	6.01	0.145	4.4
		48	10	26.7	8.45	0.013	2.2	22.3	6.2	0.075	1.2	17.7	3.9	0.094	1.9
CWA 400 S	900	11	-10	25.5	10.79	0.132	4.6	19.5	8.97	0.109	3.2	13	6.99	0.169	7.8
		11	0	30	9.15	0.111	3.3	24	7.3	0.089	2.2	17.5	5.31	0.128	4.6
		11	10	34.6	7.47	0.091	2.3	28.5	5.62	0.068	1.3	21.7	3.56	0.086	2.2
	1550	27	-10	21.4	16.44	0.2	10	16.1	13.63	0.166	7.2	10.4	10.68	0.257	17
		27	0	26.6	13.91	0.17	7.4	21.1	11.04	0.134	4.8	15.4	8.08	0.194	10
		27	10	31.6	11.3	0.138	5	26.4	8.6	1.05	3	20.3	5.39	0.13	4.7
	2200	52	-10	15.9	19.23	0.233	14	11.4	15.91	0.193	9.7	6.9	12.57	0.303	24
		52	0	21.9	16.26	0.198	10	17.6	13.05	0.159	6.7	12.8	9.48	0.229	14
		52	10	28	13.33	0.162	6.9	23.7	10.19	0.124	4.2	18.6	6.39	0.154	6.5
CWA 500 S	1500	9	-10	30.1	20.27	0.248	6.7	23.5	16.98	0.206	4.8	15.9	13.1	0.316	11
		9	0	34.1	17.27	0.211	4.9	27.5	13.91	0.169	3.3	19.8	10.02	0.241	6.7
		9	10	38	14.18	0.173	3.4	31.2	10.73	0.13	2	23.6	6.86	0.165	3.3
	2500	22	-10	23.3	28.07	0.343	12	17.7	23.39	0.284	8.8	11.6	18.21	0.439	21
		22	0	28.3	23.84	0.29	9	22.7	19.1	0.232	6	16.5	13.9	0.336	13
		22	10	33.1	19.48	0.237	6.1	27.7	14.89	0.181	3.8	21.1	9.39	0.226	6
	3500	40	-10	17.8	32.83	0.401	17	13.1	27.26	0.331	12	8.1	21.36	0.515	28
		40	0	23.6	27.83	0.339	12	18.9	22.34	0.272	8.1	13.8	16.25	0.392	17
		40	10	29.3	22.76	0.277	8.2	24.9	17.59	0.214	5.1	19.3	11.02	0.265	8

Symbols & specifications

Q = air flow
ΔP = pressure loss air
T_i = inlet air temperature
T_u = outlet air temperature
P = power of the battery
Qw = water flow
ΔP_w = pressure loss of water
T_w = water temperature in/out

Dimensions

	L [mm]	W [mm]	H [mm]	F [mm]	C1 [mm]	C2 [mm]	C3 [mm]	C4/C6 [mm]	C5 [mm]	ød [mm]	DN	øD [mm]	d1 [mm]	d2 [mm]	[kg]
CWA 100 S	304	236	352	37	105	29	105	43	150	18	1/2"	100	118	149	5.2
CWA 125 S	304	236	352	38	105	29	105	43	150	18	1/2"	125	118	149	6
CWA 160 S	304	303	352	37	105	29	105	43	217	18	1/2"	160	152	149	8.2
CWA 200 S	304	236	352	37	105	29	105	43	217	18	1/2"	200	152	149	8.5
CWA 250 S	304	370	405	45	105	29	105	43	283	22	1/2"	250	185	175	12.5
CWA 315 S	318	403	491	45	105	29	105	43	293	22	1/2"	315	202	218	16
CWA 400 S	358	470	585	64	105	29	105	53	365	22	3/4"	400	235	264	20
CWA 500 S	358	570	788	64	105	29	105	53	365	22	3/4"	500	285	366	28

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