Type WL

For the reheating of airflows in circular ducting

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

Heat exchanger Type WL 00132262_0
  • Application
  • Description

Application

  • Hot water heat exchanger Type WT for reheating the airflow in circular ducting
  • For VAV terminal units Type TVR and for CAV controllers Type RN or VFC
  • For hot water up to 100 °C

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 tubes
  • Aluminium fins

Technical information

  • 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
Static differential pressure5 – 80 Pa


WL for TVR, RN and VFC

Nominal sizeVVΔpstPWW 50/40, te = 16 °CPWW 50/40, te = 16 °CPWW 50/40, te = 16 °CPWW 50/40, te = 16 °CPWW 70/55, te = 16 °CPWW 70/55, te = 16 °CPWW 70/55, te = 16 °CPWW 70/55, te = 16 °C
Nominal sizeVVΔpstQtawΔpvQtawΔpv
Nominal sizel/sm³/hPakW°Ckg/hkPakW°Ckg/hkPa
100 10 36 50.2536.1210.30.4048.5230.5
100 20 72 100.3831.3330.40.6241.2360.6
100 30 108 150.4728.8410.50.7937.5460.7
100 40 144 250.5527.2480.60.9535.2550.8
100 45 162 300.5826.5510.71.0234.4591.0
125 18 65 50.3632.0310.30.5842.2340.5
125 35 126 200.5127.9440.50.8736.2510.8
125 50 180 400.6226.0531.01.0933.8641.0
125 65 234 600.7024.8611.21.3032.3761.3
125 75 270 800.7624.2661.51.4431.6841.5
160 28 101 50.6936.1601.01.1749.9681.0
160 50 180 101.0533.1912.01.8345.81073.0
160 70 252 151.3531.71174.02.3243.01354.0
160 95 342 251.7030.61475.02.8540.41666.0
160 115 414 351.9429.71687.03.2338.81887.0
200 45 162 50.9733.6842.01.6946.5982.0
200 80 288 201.4931.21294.02.5441.81485.0
200 115 414 351.9429.71687.03.2338.81887.0
200 150 540 552.2928.41999.03.3736.822310.0
200 180 648 802.5727.622311.04.3035.425112.0
250 70 252 51.5333.81331.02.6747.01551.0
250 125 450 152.3531.32032.04.1443.02423.0
250 180 648 253.1030.02693.05.2939.93084.0
250 235 846 403.7629.03265.06.2937.83675.0
250 290 1044 604.2928.13726.07.2036.24207.0
315 115 414 52.5033.72171.04.4147.22571.0
315 200 720 153.8231.53312.06.6643.13883.0
315 285 1026 255.0230.44364.08.4540.14934.0
315 375 1350 406.0529.15255.010.1137.95896.0
315 460 1656 606.8928.25977.011.5236.46727.0
400 185 666 54.0233.73482.07.0847.24132.0
400 325 1170 156.2431.65423.010.5542.46154.0
400 465 1674 308.0630.16995.013.4039.57816.0
400 605 2178 509.5428.88277.015.8937.49278.0
400 750 2700 7510.9227.99479.018.2235.8106210.0

Q:Thermal capacity

PWW:Pumped warm water heating system, flow temperature/return temperature

te:Inlet airflow temperature

ta:Outlet airflow temperature

w:Water flow rate

Δpv:Water-side differential pressure

Δpst:Static differential pressure


Circular hot water heat exchangers for reheating the airflow in air conditioning systems

Dimensions fit VAV terminal units TVR as well as CAV controllers RN and VFC.

Spigot with lip seal, for circular connecting ducts to EN 1506 or EN 13180.

Casing air leakage to EN 15727, class C.

Materials and surfaces

  • Casing made of galvanised sheet steel
  • Copper tubes
  • Aluminium fins

Technical data

  • Volume flow rate range: 10 to 750 l/s or 36 to 2700 m³/h
  • Thermal capacity: 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

00131883_0

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

 

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

 

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Thank you for your message!

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For general question regarding products or services you can also call:
Tel.: +49 (0)2845 / 202-0 | Fax: +49 (0)2845/202-265