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Heat exchanger with copper tubes and aluminium fins

 

 

WL_img_03psd.png
WL_img_04psd.png

WL 

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 controllers RN or VFC

  • For hot water up to 100 °C

  • Copper tubes arranged in two rows, with aluminium fins

  • Installation in horizontal or vertical ducts independent of airflow direction

  • Suitable for circular ducts to EN 1506 or EN 13180

  • With lip seal and inspection access

  • Maximum water-side operating pressure is 8 bar

  • Casing air leakage to EN 15727, class C

 

 

 


General information

Application

  • Hot water heat exchanger for reheating the airflow in circular ducts

  • For VAV terminal units Type TVR and for CAV controllers Type RN or VFC

  • For hot water up to 100 °C

  • Construction not designed for and performance data 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



Materials and surfaces

  • Casing made of galvanised sheet steel

  • Copper pipes

  • Aluminium fins



Standards and guidelines

  • Casing air leakage to EN 15727, class C



Maintenance

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


Technical information

Technical data, Quick sizing, Specification text, Order code

  • Technical data
  • QUICK SIZING
  • SPECIFICATION TEXT
  • ORDER CODE

Nominal sizes100 – 400 mm
Volume flow rate range10 – 750 l/s or 36 – 2700 m³/h
Thermal output0.25 – 18 kW
Maximum hot water temperature100 °C
Maximum water-side operating pressure10 bar
Water-side differential pressure0.3 – 12 kPa
Air-side static differential pressure5 – 80 Pa

Technical data of the heat exchanger
Basic units: TVR, RN and VFC

NS

qv

Δpst

PWW 50/40, te = 16 °C

PWW 70/55, te = 16 °C

l/s

m³/h

Pa

Φ [kW]

ta [°C]

qm [kg/h]

Δpv [kPa]

Φ [kW]

ta [°C]

qm [kg/h]

Δpv [kPa]

100

10

36

5

0.25

36.1

21

0.3

0.40

48.5

23

0.5

1002072100.3831.3330.40.6241.2360.6
10030108150.4728.8410.50.7937.5460.7
10040144250.5527.2480.60.9535.2550.8
10045162300.5826.5510.71.0234.4591
125186550.3632310.30.5842.2340.5
12535126200.5127.9440.50.8736.2510.8
12550180400.62265311.0933.8641
12565234600.724.8611.21.332.3761.3
12575270800.7624.2661.51.4431.6841.5
1602810150.6936.16011.1749.9681
16050180101.0533.19121.8345.81073
16070252151.3531.711742.32431354
16095342251.730.614752.8540.41666
160115414351.9429.716873.2338.81887
2004516250.9733.68421.6946.5982
20080288201.4931.212942.5441.81485
200115414351.9429.716873.2338.81887
200150540552.2928.419993.3736.822310
200180648802.5727.6223114.335.425112
2507025251.5333.813312.67471551
250125450152.3531.320324.14432423
250180648253.13026935.2939.93084
250235846403.762932656.2937.83675
2502901044604.2928.137267.236.24207
31511541452.533.721714.4147.22571
315200720153.8231.533126.6643.13883
3152851026255.0230.443648.4540.14934
3153751350406.0529.1525510.1137.95896
3154601656606.8928.2597711.5236.46727
40018566654.0233.734827.0847.24132
4003251170156.2431.6542310.5542.46154
4004651674308.0630.1699513.439.57816
4006052178509.5428.8827715.8937.49278
40075027007510.9227.9947918.2235.8106210

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


qv: Volume flow rate
qm: Mass flow rate
Δpv: Water-side differential pressure
Δpst: Static differential pressure

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

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


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: 100 °C

  • Maximum water-side operating pressure: 10 bar

  • Water-side differential pressure: 0.3 – 12 kPa

  • Static differential pressure: 5 – 80 Pa



Sizing data

  • qv  (m³/h)

  • te [°C]

  • PWW [°C]

  • Φ [kW]


WL / 160
||
12

1 Type
WL Hot water heat exchanger for air terminal units TVR and for CAV controllers RN and VFC 

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

Order Example: WL/160
Nominal size160 mm

Dimensions and weight, Installation details

  • DIMENSIONS AND WEIGHT
  • INSTALLATION DETAILS
WL, dimensions

NS

ØD

L

B3

H3

H1

A

ØD5

100993362511881373010
1251243462511881373510
1601593863262632124010
2001993863262632124010
2502493864113382504022
3153143864864133254022
4003993865574894005522

  • 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

Downloads

product information

certificates

operation manuals

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Contact

Thank you for your message!

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Our department for Service-Requests will contact you asap.
For general question regarding products or services you can also call:
Tel.: +61 (02) 8923 2551