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Heat exchangers Type WT

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WT

For the reheating of airflows in rectangular ducting

Rectangular hot water heat exchanger for the reheating of airflows, suitable for air terminal units type TVZ, TZ-Silenzio, TVJ, TVT and mechanically self-powered CAV terminal units type EN

  • Only for hot water operation up to 100 °C
  • Horizontal water connection
  • Copper tubes are arranged in two rows with aluminium blades
  • Maximum water-side operating pressure is 16 bar
  • Casing air leakage according to EN 15727, class D; class C applies for H ≤ 400

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Technical design and sizing
Entry fields
System
Air related data – Heating
m³/h
°C
Water related data – heating mode
°C
°C
Updating technical data
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Product photo
Result
Air related data – Heating
Air temperature OUT
33,4 °C
Total differential pressure
21 Pa
Water related data – heating mode
Water flow rate
142 l/h
Pressure drop, water side
0,7 kPa
Power results – heating
Thermal output – heating
1.634 W
Weight
Weight
4 kg
Application
Nominal size
125
160
200
250
315
400
Specification text: WT/160
Updating specification text

Rectangular hot water heat exchangers for reheating the airflow in air conditioning systems Dimensions fit VAV terminal units TVE-Q, TVJ, TVT, TVZ, or TZ-Silenzio, as well as CAV controllers EN.
Flanges on both sides, suitable for duct connection.
Casing air leakage to EN 15727, class D (H = 400 mm, class C)

MATERIALS AND SURFACES
- Casing made of galvanised sheet steel
- Copper tubes
- Aluminium fins

TECHNICAL DATA
- Volume flow rate range: 15 to 6000 l/s or 55 to 21600 m³/h
- Thermal output: 0.4 – 115 kW
- Maximum outlet airflow temperature: 100 °C
- Maximum water-side operating pressure: 16 bar
- Water-side differential pressure: 0.1 – 25 kPa
- Static differential pressure: 25 – 170 Pa

VARIANT
Application: For air terminal units type TZ-Silenzio and TVZ
Nominal size: 160

PRODUCT DATA:
Strategy: Heating mode - given water temperatures
Volume flow qv 275 m³/h
Air temperature IN ta,i 16,0 °C
Water flow temperature tw,s,h 50,0 °C
Water return temperature tw,r,h 40,0 °C
Air temperature OUT ta,o 33,4 °C
Total differential pressure Δpt 21 Pa
Water flow rate qv,w,h 142 l/h
Pressure drop, water side Δpw,h 0,7 kPa
Thermal output – heating Φh 1.634 W
Weight m 4 kg

Manufacture of the planning: TROX GmbH
Type: WT/160

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General information

Application

  • Hot water heat exchanger for reheating the airflow in rectangular ducts
  • For VAV terminal units TVZ, TZ-Silenzio, TVJ, and TVT, and for CAV controllers EN
  • Only for hot water operation up to 100 °C
  • Construction not designed for and performance data not applicable to cold water operation

Nominal sizes 

  • 125, 160, 200, 250, 315, 400 for TZ-Silenzio and TVZ
  • 46 nominal sizes from 200 x 100 to 1000 x 1000 for TVJ, TVT and EN

Parts and characteristics

  • Ready-to-install heat exchanger
  • Copper tubes arranged in two rows

Construction features

  • Rectangular casing
  • Flanges on both ends for the connection to ductwork
  • Maximum water-side operating pressure is 16 bar
  • Horizontal water connection
  • Water connection with external thread

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; class C applies for H ≤ 400


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

For basic device TZ-Silenzio and TVZ

Nominal sizes for TZ-Silenzio and TVZ125 – 400 mm
Volume flow rate range15 – 6000 l/s or 54 – 21600 m³/h
Thermal output0.4 – 117 kW

Maximum hot water temperature

100 °C

Maximum water-side operating pressure

16 bar

Water-side differential pressure

0.1 – 25 kPa

Air-side static differential pressure

25 – 210 Pa


 For basic device TVJ, TVT and EN

Nominal sizes for TVJ, TVT and EN200 × 100 – 1000 × 1000 mm
Volume flow rate range15 – 6000 l/s or 54 – 21600 m³/h
Heating capacity0.4 – 117 kW

Maximum hot water temperature

100 °C

Maximum water-side operating pressure

16 bar

Water-side differential pressure

0,2 – 44 kPa

Air-side static differential pressure

7 – 291 Pa

Installation details

  • INSTALLATION DETAILS

  • Installation in horizontal or vertical ducts independent of airflow direction
  • Water connection must be horizontal
  • connections to be provided by others
  • Vents and drainage by others
  • Installation downstream of a volume flow controller is perfectly possible


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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.: +49 (0)2845 / 202-0 | Fax: +49 (0)2845/202-265