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Heat exchanger Type EL

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EL-UK

For the electric reheating of airflows in circular ducting


Circular electric air heater for reheating airflows, suitable for VAV terminal units TVR and mechanical self-powered CAV controllers RN and VFC

  • Outlet airflow temperature 50 °C max.
  • Plain heating coil, stainless steel 1.4301
  • Integral overheating protection with temperature monitor (auto reset) and thermal cut-out (manual reset)
  • For horizontal or vertical ducts
  • Suitable for circular ducts to EN 1506 or EN 13180
  • With lip seal
  • Protection level: IP 43
  • Casing leakage according to EN 15727, class C

General information

Application

  • Electric air heater for reheating airflows up to 50 °C in circular ducts
  • For VAV terminal units Type TVR and for CAV controllers Type RN or VFC



Nominal sizes

  • 100, 125, 160, 200, 250, 315, 400



Parts and characteristics

  • Ready-to-install air heater
  • Twofold overheating protection:
    • Temperature monitor with automatic reset
    • Thermal cut-out with manual reset
  • Connection terminals inside
  • Casing is ready for cable feedthrough; strain relief 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
  • The heating coil is an encased plain pipe
  • IP 43



Material and surfaces

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



Standards and guidelines

  • Casing air leakage to EN 15727, class C



Maintenance

  • Regular functional tests, especially of the thermal cut-out



Useful additions

  • Capacity control is required (to be provided by others)
  • Airflow monitoring is required (to be provided by others)


Tehnički podaci

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

Nominal sizes100 – 400 mm

Volume flow rate range

12 - 750 l/s or 41 - 2700 m3/h

Electrical power consumption0.4 – 9 kW
Minimum airflow velocity1.5 m/s (airflow monitoring required, by others)
Maximum outlet airflow temperature50 °C (capacity control required, by others)
Maximum operating temperatureWithout integral control = 40 °C max.
Release temperature – temperature monitor TWApprox. 60 °C (automatic reset if the value falls below this temperature; hysteresis approx. 15 K)
Release temperature for thermal cut-outApprox. 90 °C (manual reset on the air heater required)

Air-side static differential pressure

1 – 20

Supply voltage NS 100230 V AC, 400 W
Supply voltage NS 125230 V AC, 900 W
Supply voltage NS 160

230 V AC, 1,200 W

Supply voltage NS 200

230 V AC, 2,100 W

Supply voltage NS 250

400 V AC 2-phase, 3,000 W

Supply voltage NS 315

400 V AC 3-phase, 6,000 W

Supply voltage NS 400

400 V AC 3-phase, 9,000 W

Protection levelIP 43
EC conformityEMC to 2014/30/EU, low voltage to 2014/35/EU
LicenceCE, UKCA, S, EAC



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informacije o proizvodima

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Naš odjel za servisne zahtjeve što skorije će vas kontaktirati.
Za opća pitanja u vezi s proizvodima ili uslugama možete i nazvati:
Tel.: +385 1 61 55 401 | Faks: +385 1 61 58 598