WL | TROX Austria GmbH Predstavništvo Srbija

Heat exchanger with copper tubes and aluminium fins

For the reheating of airflows in circular ducting

Circular hot water heat exchanger for the reheating of airflows, suitable for VAV terminal units TVR and mechanical self-powered CAV terminal units RN or VFC

For hot water up to 150°C
Copper tubes arranged in two rows, with aluminium fins
Installation in horizontal or vertical ducts, independent of airflow direction
Suitable for circular air ducts according to EN 1506 or EN 13180
With lip seal and inspection access
Maximum water-side operating pressure is 10 bar
Casing air leakage according to EN 15727, class D

General information

Application

Hot water heat exchanger for reheating the airflow in circular ducts
For VAV terminal units Type TVR and for CAV control units RN or VFC
For hot water up to 150°C
Construction not designed for and performance characteristics not applicable to cold water operation

Nominal sizes

100, 125, 160, 200, 250, 315, 400

Parts and characteristics

Ready-to-install heat exchanger
Copper tubes arranged in two rows
Lip seal
Inspection access
Tested for leakage

Construction features

Rectangular casing
Spigot with lip seal, for circular connecting ducts to EN 1506 or EN 13180
Maximum water-side operating pressure is 10 bar
Horizontal water connection
Plain copper tube ends for water connection

Material and surfaces

Casing made of galvanised sheet steel
Copper pipes
Aluminium fins

Standards and guidelines

Casing air leakage according to EN 15727, class D

Maintenance

Maintenance-free as construction and materials are not subject to wear

Tehničke informacije

Technical data, Quick sizing, Specification text, Order code

Nominal sizes	100 – 400 mm
Volume flow rate range	10 – 750 l/s or 36 – 2700 m³/h
Thermal output	0.25 – 18 kW
Maximum hot water temperature	150 °C
Maximum water-side operating pressure	10 bar
Water-side differential pressure	0.3 – 12 kPa
Air-side static differential pressure	5 – 80 Pa

Technical data of the heat exchanger

Basic units: TVR, RN and VFC (TEST)

NS	q_v		Δp_st	PWW 50/40, t_e = 16 °C				PWW 70/55, t_e = 16 °C
NS	l/s	m³/h	Pa	Φ [kW]	t_a [°C]	q_m [kg/h]	Δp_v [kPa]	Φ [kW]	t_a [°C]	q_m [kg/h]	Δp_v [kPa]
100	10	36	5	0.25	36.1	21	0.3	0.40	48.5	23	0.5
100	20	72	10	0.38	31.3	33	0.4	0.62	41.2	36	0.6
100	30	108	15	0.47	28.8	41	0.5	0.79	37.5	46	0.7
100	40	144	25	0.55	27.2	48	0.6	0.95	35.2	55	0.8
100	45	162	30	0.58	26.5	51	0.7	1.02	34.4	59	1
125	18	65	5	0.36	32	31	0.3	0.58	42.2	34	0.5
125	35	126	20	0.51	27.9	44	0.5	0.87	36.2	51	0.8
125	50	180	40	0.62	26	53	1	1.09	33.8	64	1
125	65	234	60	0.7	24.8	61	1.2	1.3	32.3	76	1.3
125	75	270	80	0.76	24.2	66	1.5	1.44	31.6	84	1.5
160	28	101	5	0.69	36.1	60	1	1.17	49.9	68	1
160	50	180	10	1.05	33.1	91	2	1.83	45.8	107	3
160	70	252	15	1.35	31.7	117	4	2.32	43	135	4
160	95	342	25	1.7	30.6	147	5	2.85	40.4	166	6
160	115	414	35	1.94	29.7	168	7	3.23	38.8	188	7
200	45	162	5	0.97	33.6	84	2	1.69	46.5	98	2
200	80	288	20	1.49	31.2	129	4	2.54	41.8	148	5
200	115	414	35	1.94	29.7	168	7	3.23	38.8	188	7
200	150	540	55	2.29	28.4	199	9	3.37	36.8	223	10
200	180	648	80	2.57	27.6	223	11	4.3	35.4	251	12
250	70	252	5	1.53	33.8	133	1	2.67	47	155	1
250	125	450	15	2.35	31.3	203	2	4.14	43	242	3
250	180	648	25	3.1	30	269	3	5.29	39.9	308	4
250	235	846	40	3.76	29	326	5	6.29	37.8	367	5
250	290	1044	60	4.29	28.1	372	6	7.2	36.2	420	7
315	115	414	5	2.5	33.7	217	1	4.41	47.2	257	1
315	200	720	15	3.82	31.5	331	2	6.66	43.1	388	3
315	285	1026	25	5.02	30.4	436	4	8.45	40.1	493	4
315	375	1350	40	6.05	29.1	525	5	10.11	37.9	589	6
315	460	1656	60	6.89	28.2	597	7	11.52	36.4	672	7
400	185	666	5	4.02	33.7	348	2	7.08	47.2	413	2
400	325	1170	15	6.24	31.6	542	3	10.55	42.4	615	4
400	465	1674	30	8.06	30.1	699	5	13.4	39.5	781	6
400	605	2178	50	9.54	28.8	827	7	15.89	37.4	927	8
400	750	2700	75	10.92	27.9	947	9	18.22	35.8	1062	10

Φ: Thermal output
PWW: Pumped hot water heating system, flow temperature/return temperature
t_e: Inlet airflow temperature
t_a: Outlet airflow temperature

q_v: Volume flow rate
q_m: Mass flow rate
Δp_v: Water-side differential pressure
Δp_st: Static differential pressure

Circular hot water heat exchangers for reheating the airflow in ventilation and air conditioning systems. Dimensions suitable for VAV terminal units TVR and CAV control units RN and VFC. Spigot with lip seal for ducts according to EN 1506 or EN 13180. Casing air leakage according to EN 15727, class D.

Materials and surfaces

Casing made of galvanised sheet steel
Copper pipes
Aluminium fins

Technical data

Volume flow rate range: 10 to 750 l/s or 36 to 2700 m³/h
Thermal output: 0.25 – 18 kW
Maximum water temperature: 150 °C
Maximum water-side operating pressure: 10 bar
Water-side differential pressure: 0.3 – 12 kPa
Static differential pressure: 5 to 80 Pa

Sizing data

q_v (m³/h)
t_e [°C]
PWW [°C]
Φ [kW]

WL
WL	/	160
\|		\|
1		2

1 Type
WL Hot water heat exchanger for volumetric flow controllers TVE, TVR and KVS controllers RN and VFC

2 Nominal size [mm]
100, 125, 160, 200, 250, 315, 400

Order example: WL/160

Type	WL – Hot water heat exchanger
Nominal size [mm]	160

Installation details

Installation in horizontal or vertical ducts independent of airflow direction
Capacity control and supply connections to be provided by others
Vents and drainage by others

Učitavanje

Informacije o proizvodu

Product data sheet WL

WL_PD_2024_07_29_DE_en product data sheet 210 KB pdf

Brošure

Statement WL DIRECTIVE (EC) no. 765/2008

130 KB pdf

Sertifikati

Certificate Heat exchanger

Certificate 130 KB pdf
Certificate concerning statistical leakage tests

LC_v2_2024_10_DE_en Certificate 650 KB pdf
Certificate concerning statistical leakage tests

LC_v1_2024_10_DE_en Certificate 660 KB pdf
Non-CE Manufacturer's statement WL

WL_NotCE_2022_02_08_14_45_00_DE_en Certificate 2 MB pdf

Uputstva za rukovanje

Installation manual Type WL

Installation manual 230 KB pdf

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WL

For the reheating of airflows in circular ducting

General information

Tehničke informacije

Technical data, Quick sizing, Specification text, Order code

Installation details

Učitavanje

Informacije o proizvodu

Product data sheet WL

Brošure

Statement WL DIRECTIVE (EC) no. 765/2008

Sertifikati

Certificate Heat exchanger

Certificate concerning statistical leakage tests

Certificate concerning statistical leakage tests

Non-CE Manufacturer's statement WL

Uputstva za rukovanje

Installation manual Type WL

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