Type EL

For the electric reheating of airflows in circular ducting

Circular electric air heater for the heating of airflows, suitable for VAV terminal units Type TVR and mechanical self-powered CAV controllers Type RN or VFC

  • Outlet airflow temperature max. 50 °C
  • Smooth surface stainless steel heating element 1.4301
  • Integral overheating protection with temperature monitor (auto reset) and thermal cut-out (manual reset)
  • Installation in horizontal or vertical ducts independent of airflow direction
  • Suitable for circular ducts to EN 1506 or EN 13180
  • With lip seal
  • Protection level IP 43
  • Casing air leakage to EN 15727, up to class D

Heat exchanger Type WL 00132254_0
  • Application
  • Description

Application

  • Electric air heater Type EL for reheating the airflow in circular ducting
  • For VAV terminal units Type TVR and for CAV controllers Type RN or VFC

Parts and characteristics

  • Ready-to-install air heater
  • Encased smooth surface stainless steel heating elements
  • Overheating protection with temperature monitor (auto reset) and thermal cut-out (manual reset)
  • Connection terminals inside
  • Casing is ready for cable penetration; wire clamping bracket and cable gland (M20 or M25) to be provided by others

Construction features

  • Circular casing with rectangular switch cabinet
  • Spigot with lip seal, for circular connecting ducts to EN 1506 or EN 13180

Materials and surfaces

  • Casing and switch cabinet made of galvanised sheet steel
  • Heating element made of stainless steel 1.4301

Technical information

  • Technical data
  • Quick sizing
  • Specification text
  • Order code

Nominal sizes100 – 400 mm
Volume flow rate range12 – 750 l/s or 43 – 2700 m³/h
Thermal output0.4 – 9 kW
Minimum airflow velocity1.5 m/s
Maximum outlet airflow temperature50 °C
Max. operating temperature40 °C
Static differential pressure5 – 75 Pa
Supply voltage for nominal sizes 100 – 200230 V AC, 1-phase
Supply voltage for nominal size 250400 V AC, 2-phase
Supply voltage for nominal sizes 315, 400400 V AC, 3-phase
Protection levelIP 43
EC conformityEMC to 2004/108/EU, low voltage to 2006/95/EU


EL for TVR, RN and VFC

Nominal sizeVVΔpstte = 16 °Cte = 16 °C
Nominal sizeVVΔpstQta
Nominal sizel/sm³/hPakW°C
100 12 43 50.4041.8
100 20 72 100.4031.4
100 30 108 150.4026.3
100 40 144 250.4023.7
100 45 162 300.4022.9
125 20 72 50.8850.0
125 35 126 200.9035.8
125 50 180 400.9029.9
125 65 234 600.9026.7
125 75 270 800.9025.3
160 30 108 51.2046.9
160 50 180 101.2034.5
160 70 252 151.2029.2
160 95 342 251.2025.7
160 115 414 351.2024.1
200 50 180 52.1048.4
200 80 288 202.1036.3
200 115 414 352.1030.1
200 150 540 552.1026.8
200 180 648 802.1025.0
250 75 275 53.0046.9
250 125 450 153.0034.5
250 180 648 253.0028.9
250 235 846 403.0025.9
250 290 1044 603.0024.0
315 115 414 55.0750.0
315 200 720 156.0039.1
315 285 1026 256.0032.2
315 375 1350 406.0028.3
315 460 1656 606.0026.1
400 190 684 58.3750.0
400 325 1170 159.0037.4
400 465 1674 309.0030.9
400 605 2178 509.0027.5
400 750 2700 759.0025.3

Q:Thermal capacity

te:Inlet airflow temperature

ta:Outlet airflow temperature


Circular electric air heater for reheating the airflow in air conditioning systems

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

Integral overheating protection with temperature monitor (auto reset) and thermal cut-out (manual reset).

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 and switch cabinet made of galvanised sheet steel
  • Heating element made of stainless steel 1.4301

Technical data

  • Volume flow rate range: 12 to 750 l/s or 43 to 2700 m³/h
  • Thermal output: 0.4 – 9 kW
  • Maximum outlet airflow temperature: 50 °C
  • Static differential pressure: 5 – 75 Pa
  • Supply voltage: 1 × 230 V AC – 3 × 400 V AC
  • Protection level: IP 43

00137442_0

 Type
EL       Electric air heater for VAV terminal units Type TVR and for CAV controllers Type RN or VFC

 

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

 

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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.: +43 1 250 43-0| Fax: +43 1 250 43 34