WT_img_01psd.png

WT_img_02psd.png

Heat exchanger with copper tubes and aluminium fins

WT_img_01psd.png
WT_img_02psd.png

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 or TVT and mechanical self-powered CAV controllers type EN

  • Only for hot water operation up to 100 °C

  • Horizontal water connection

  • Copper tubes arranged in two rows, with aluminium fins

  • Maximum water-side operating pressure is 16 bar

  • Casing air leakage to EN 15727, class C

 

 

 


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



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 sizes for TZ-Silenzio and TVZ125 – 400 mm
Nominal sizes for TVJ, TVT and EN200 × 100 – 1000 × 1000 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

WT, dimensions

Thread type R = external thread, tapered outer dimension

Technical data of the heat exchanger
Basic units: TZ-Silenzio and TVZ

NS

qv [l/s]

qv (m³/h)

Δpst [Pa]

PWW 50/40, te = 16 °C

PWW 70/55, te = 16 °C

Φ [kW]

ta [°C]

qm [kg/h]

Δpv [kPa]

Φ [kW]

ta [°C]

qm [kg/h]

Δpv [kPa]

125

15

54

5

0.40

37.8

34

0.2

0.64

51.4

37

0.2

125

35

126

10

0.77

34.3

66

0.7

1.24

45.5

71

0.8

125

60

216

25

1.12

31.5

96

1.5

1.80

40.9

103

1.6

125

95

342

55

1.49

29.1

128

2.5

2.41

37.0

138

2.7

125

150

540

120

1.95

26.8

168

4.1

3.14

33.4

180

4.5

160

25

90

5

0.65

37.6

56

0.1

1.05

51.0

60

0.1

160

65

234

15

1.36

33.4

117

0.5

2.20

44.0

126

0.6

160

100

360

25

1.82

31.1

157

0.9

2.93

40.3

168

1.0

160

170

612

70

2.53

28.3

217

1.7

4.07

35.9

233

1.9

160

250

900

140

3.16

26.5

271

2.6

5.08

32.9

291

2.8

200

40

144

5

1.07

38.3

92

0.1

1.74

52.1

100

0.1

200

110

396

10

2.41

34.2

207

0.4

3.89

45.3

223

0.4

200

180

648

25

3.39

31.6

291

0.8

5.46

41.2

313

0.8

200

280

1008

50

4.48

29.3

385

1.3

7.22

37.4

414

1.4

200

405

1458

100

5.58

27.4

480

1.9

8.98

34.4

515

2.1

250

60

216

5

1.58

37.9

136

0.2

2.56

51.4

147

0.2

250

170

612

15

3.55

33.3

305

0.9

5.72

43.9

328

1.0

250

280

1008

30

4.96

30.7

426

1.8

7.98

39.7

458

1.9

250

470

1692

75

6.80

28.0

585

3.2

10.95

35.3

628

3.5

250

615

2214

125

7.94

26.7

683

4.3

12.77

33.2

732

4.6

315

105

378

5

2.75

37.7

236

0.5

4.44

51.1

255

0.5

315

265

954

10

5.64

33.7

485

1.8

9.10

44.5

522

1.9

315

420

1512

25

7.72

31.3

664

3.1

12.44

40.6

713

3.4

315

720

2592

65

10.79

28.4

928

5.8

17.37

36.0

996

6.3

315

1025

3690

125

13.23

26.7

1138

8.5

21.29

33.2

1221

9.2

400

170

612

5

4.43

37.6

381

0.7

7.17

51.0

411

0.7

400

445

1602

15

9.30

33.3

800

2.5

15.00

44.0

860

2.8

400

710

2556

30

12.73

30.9

1094

4.5

20.51

40.0

1176

4.9

400

1250

4500

80

18.00

28.0

1548

8.6

28.97

35.2

1661

9.4

400

1680

6048

135

21.32

26.5

1833

11.8

34.30

32.9

1966

12.8


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

 

Note: Performance data not applicable to cold water operation.

 

 

 

 

 



Technical data of the heat exchanger
Basic units: TVJ, TVT and EN

NS

qv [l/s]

qv (m³/h)

Δpst [Pa]

PWW 50/40, te = 16 °C

PWW 70/55, te = 16 °C

Φ [kW]

ta [°C]

qm [kg/h]

Δpv [kPa]

Φ [kW]

ta [°C]

qm [kg/h]

Δpv [kPa]

200 × 10040144250.7531.5640.51.2141690.5
200 × 10080288951.1527.9991.11.8535.21061.2
200 × 1001204322101.45261241.72.3332.11331.9
300 × 10060216251.1231.5971.31.81411041.4
300 × 100120432951.7227.91482.92.7835.21593.2
300 × 1001806482102.17261874.53.4932.12004.9
400 × 10080288251.531.51292.72.41411382.9
400 × 100160576952.327.91985.93.735.22126.4
400 × 1002408642102.89262499.14.6532.12679.8
500 × 100100360251.8731.51614.73.02411735.1
500 × 100200720952.8727.924710.34.6235.226511.1
500 × 10030010802103.622631115.85.8232.133317
600 × 100120432252.2531.51931.53.62412071.6
600 × 100240864953.4527.92963.35.5535.23183.6
600 × 10036012962104.342637356.9832.14005.5
300 × 15090324251.6831.514542.71411564.3
300 × 150180648952.5927.92228.74.1635.22399.5
300 × 1502709722103.252628013.45.2432.130014.5
200 × 20080288251.531.51293.22.41411383.5
200 × 200160576952.327.91987.23.735.22127.8
200 × 2002408642102.892624911.14.6532.126712.1
300 × 200120432252.2531.51931.63.62412071.8
300 × 200240864953.4527.92963.65.5535.23184
300 × 20036012962104.34263735.66.9832.14006.1
400 × 200160576252.9931.52573.24.82412773.5
400 × 2003201152954.627.93957.27.435.24247.8
400 × 20048017282105.7926498119.3132.153412.1
500 × 200200720253.7431.53225.56.03413466
500 × 2004001440955.7527.949412.39.2535.253013.4
500 × 20060021602107.232662218.811.6332.166720.5
600 × 200240864254.4931.53861.57.24414151.6
600 × 2004801728956.927.95933.311.135.26363.6
600 × 20072025922108.6826746513.9632.18005.5
700 × 2002801008258.44414842.38.44414842.3
700 × 200560201695827.96914.712.9535.27425.2
700 × 200840302421016.2932.19347.916.2932.19347.9
800 × 2003201152259.65415533.29.65415533.2
800 × 2006402304959.227.97906.614.835.28487.1
800 × 200960345621018.6132.1106710.918.6132.1106710.9
400 × 250200720253.7431.53225.76.03413466.3
400 × 2504001440955.7527.949412.89.2535.253013.9
400 × 25060021602107.232662219.611.6332.166721.4
500 × 250250900254.6831.54023.67.54414323.9
500 × 2505001800957.1827.9618811.5635.26638.7
500 × 25075027002109.042677712.214.5432.183413.3
600 × 2503001080255.6131.54835.69.04415196.1
600 × 2506002160958.6227.974112.413.8735.279513.4
600 × 250900324021010.85269331917.4532.1100020.6
300 × 300180648253.3731.52904.65.43413115.1
300 × 3003601296955.1727.944510.38.3235.247711.3
300 × 30054019442106.512656015.910.4732.160017.4
400 × 300240864254.4931.53863.27.24414153.5
400 × 3004801728956.927.95937.211.135.26367.8
400 × 30072025922108.68267461113.9632.180012.1
500 × 3003001080255.6131.54832.69.04415192.9
500 × 3006002160958.6227.97415.913.8735.27956.4
500 × 300900324021010.8526933917.4532.110009.8
600 × 3003601296256.7331.55794.110.85416224.5
600 × 30072025929510.3427.98899.116.6535.29549.9
600 × 3001080388821013.022611191420.9432.1120115.2
700 × 3004201512257.8631.5676612.66417266.5
700 × 30084030249512.0727.9103813.319.4235.2111414.4
700 × 3001260453621015.1926130620.324.4332.1140122.1
800 × 3004801728258.9831.5772314.47418303.2
800 × 30096034569513.7927.911866.622.235.212737.1
800 × 3001440518421017.362614931027.9232.1160110.9
900 × 30054019442510.131.58693.916.28419334.3
900 × 300108038889515.5127.913348.724.9735.214329.5
900 × 3001620583221019.5226167913.431.4132.1180114.5
1000 × 30060021602511.2231.59655.118.094110375.5
1000 × 300120043209517.2427.9148211.327.7535.2159112.2
1000 × 3001800648021021.6926186617.334.932.1200118.7
400 × 4003201152255.9931.55153.29.65415533.5
400 × 4006402304959.1927.97917.214.835.28487.8
400 × 400960345621011.57269951118.6132.1106712.1
500 × 4004001440257.4831.56435.512.06416916
500 × 40080028809511.4927.998812.318.535.2106113.4
500 × 4001200432021014.4626124418.823.2732.1133420.5
600 × 4004801728259.9831.57722.914.47418303.2
600 × 40096034569513.7927.911866.522.235.212737.1
600 × 4001440518421017.362614939.927.9232.1160110.8
700 × 40056020162510.4731.59016.816.88419687.3
700 × 400112040329516.0927.913841525.935.2148516.2
700 × 4001680604821020.2526174122.932.5732.1186824.9
800 × 40064023042511.9731.510295.919.294111066.4
800 × 400128046089518.3927.915811329.635.2169714.1
800 × 4001920691221023.1426199019.937.2332.1213421.6
900 × 40072025922513.4731.511583.921.714112444.3
900 × 400144051849520.6927.917798.733.335.219099.5
900 × 4002160777621026.0326223913.441.8832.1240114.5
1000 × 40080028802514.9631.512875.124.124113835.5
1000 × 400160057609522.9827.9197711.336.9935.2212112.2
1000 × 4002400864021028.9326248817.346.5332.1266818.7
500 × 5005001800259.3531.58045.515.07418646
500 × 500100036009514.3627.9123512.323.1235.2132613.4
500 × 5001500540021018.0826155518.829.0832.1166720.5
600 × 50060021602511.2231.59655.618.094110376.1
600 × 500120043209517.2427.9148212.427.7535.2159113.4
600 × 5001800648021021.692618661934.932.1200120.6
700 × 50070025202513.0931.511263.821.14112104.1
700 × 500140050409520.1127.917298.332.3735.218569.1
700 × 5002100756021025.3126217712.840.7232.1233413.9
800 × 50080028802514.9631.512875.224.124113835.7
800 × 500160057609522.9827.9197711.536.9935.2212112.5
800 × 5002400864021028.9326248817.746.5332.1266819.2
900 × 50090032402516.8331.51448727.134115567.6
900 × 500180064809525.8627.9222415.441.6235.2238616.7
900 × 5002700972021032.5426279923.652.3532.1300125.5
1000 × 500100036002518.731.516095.130.154117285.5
1000 × 500200072009528.7327.9247111.346.2435.2265112.2
1000 × 50030001080021036.1626310917.358.1732.1333518.7
600 × 60072025922513.4731.511584.121.714112444.5
600 × 600144051849520.6927.917799.133.335.219099.9
600 × 6002160777621026.032622391441.8832.1240115.2

700 × 600

1167.5

3024

25

15.70

31.5

1351

6.0

25.30

41.0

1452

6.5

700 × 600

2335

6048

95

24.10

27.9

2075

13.3

38.80

35.2

2227

14.4

700 × 600

2520

9072

210

30.40

26.0

2612

20.3

48.90

32.1

2801

22.1

800 × 600

960

3456

295

17.96

31.5

1544

5.9

28.94

41.0

1659

6.4

800 × 600

1920

6912

387.5

27.58

27.9

2372

13.0

44.39

35.2

2545

14.1

800 × 600

2880

10368

480

34.71

26.0

2985

19.9

55.84

32.1

3202

21.6

900 × 600

1080

3888

25

20.20

31.5

17.37

3.9

32.60

41.0

1867

4.3

900 × 600

2160

7776

95

31.00

27.9

2668

8.7

49.90

35.2

2863

9.5

900 × 600

3240

11664

210

39.00

26.0

3358

13.4

62.80

32.1

3602

14.5

1000 × 600

1200

4320

572.5

22.45

31.5

1930

5.1

36.18

41.0

2074

5.5

1000 × 600

2400

8640

665

34.47

27.9

2965

11.3

55.49

35.2

3182

12.2

1000 × 600

3600

12960

757.5

43.39

26.0

3731

17.3

69.80

32.1

4002

18.7

800 × 800

1280

4608

850

23.94

31.5

2059

5.9

38.59

41.0

2212

6.4

800 × 800

2560

9216

942.5

36.77

27.9

3162

13.0

59.19

35.2

3394

14.1

800 × 800

3840

13824

1035

46.28

26.0

3980

19.9

74.45

32.1

4269

21.6

900 × 800

1400

5184

25

26.90

31.5

2316

3.9

43.40

41.0

2489

4.3

900 × 800

2880

10368

95

41.40

27.9

3558

8.7

66.60

35.2

3818

9.5

900 × 800

4320

15552

210

52.10

26.0

4478

13.4

83.80

32.1

4802

14.5

1000 × 800160057602529.9331.525745.148.234127655.5
1000 × 8003200115209545.9727.9395311.373.9935.2424212.2
1000 × 80048001728021057.8526497517.393.0732.1533618.7
1000 × 1000200072002537.4131.532175.160.294134575.5
1000 × 10004000144009557.4627.9494111.392.4935.2530312.2
1000 × 100060002160021072.3126621917.3116.3332.1667018.7

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

 

Note: Performance data not applicable to cold water operation.


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



Rectangular hot water heat exchangers for reheating the airflow in ventilation and air conditioning systems. 
Dimensions fit VAV terminal units TVZ, TZ-Silenzio, TVJ, and TVT as well as CAV controllers EN. 
Flanges on both sides, suitable for duct connection. 
Casing air leakage to EN 15727, class C




Materials and surfaces

  • Casing made of galvanised sheet steel

  • Copper pipes

  • Aluminium fins



Technical data

  • Volume flow rate range: 15 – 6000 l/s or 54 – 21600 m³/h

  • Thermal output: 0.4 – 117 kW

  • Maximum water temperature: 100 °C

  • Maximum water-side operating pressure: 16 bar

  • Water-side differential pressure: 0.1 – 25 kPa

  • Static differential pressure: 25 – 210 Pa



Sizing data

  • qv  (m³/h)

  • te [°C]

  • PWW [°C]

  • Φ [kW]


WT / 160
||
12

1 Type
WT Hot water heat exchanger for air terminal units type TZ-Silenzio and TVZ 

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

Order example: WT/200
Nominal size200 mm

WT / 400 × 200
||
12

1 Type
WT Hot water heat exchanger for air terminal units TVJ and TVT as well as for CAV controllers EN 

2 Nominal size [mm]
B × H

Order example: WT/400×200
Nominal size B × H400 × 200 mm

Dimensions and weight, Installation details

  • DIMENSIONS AND WEIGHT
  • INSTALLATION DETAILS
Dimensions and weights of WT for TZ-Silenzio and TVZ

NS

L

B

H

B1

B2

B3

H1

H2

ØD4

R ['']

m [kg]

1257019815223225832818621210½2.4
1607030815234236847818621210½3.3
2007045821049251862824427010½4.8
2507059820163265876823526110½6
3157079825283285896828631210½8.7
40070898354932958106838841410½12.7






Dimensions and weights of WT for EN, TVJ and TVT

NS

L

B

H

B1

B2

B3

H1

H2

ØD4

R ['']

m [kg]

200 × 100

80

200

100

238

276

338

138

176

13

½

1.3

300 × 100

80

300

100

338

376

438

138

176

13

½

1.7

400 × 100

80

400

100

438

476

538

138

176

13

½

2.1

500 × 100

80

500

100

538

576

638

138

176

13

½

2.5

600 × 100

80

600

100

638

676

738

138

176

13

½

2.9

300 × 150

80

300

150

338

376

438

188

216

13

½

2.1

200 × 200

80

200

200

238

276

338

238

276

13

½

1.9

300 × 200

80

300

200

338

376

438

238

276

13

½

2.5

400 × 2008040020043847653823827613½3
500 × 2008050020053857663823827613½4
600 × 2008060020063867673823827613½5
700 × 2008070020073877683823827613½6
800 × 2008080020083887693823827613½7

400 × 250

80

400

250

438

476

538

288

326

13

½

3.9

500 × 250

80

500

250

538

576

638

288

326

13

½

4.9

600 × 250

80

600

250

638

676

738

288

326

13

½

5.8

300 × 300

80

300

300

338

376

438

338

376

13

½

3.2

400 × 300

80

400

300

438

476

538

338

376

13

½

4.5

500 × 300

80

500

300

538

576

638

338

376

13

½

5.8

600 × 300

80

600

300

638

676

738

338

376

13

½

6.5

700 × 300

80

700

300

738

776

838

338

376

13

½

7.2

800 × 300

80

800

300

838

876

938

338

376

13

½

7.9

900 × 300

80

900

300

938

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27.9


  • Installation in horizontal or vertical ducts independent of airflow direction

  • Water connection must be horizontal

  • Capacity control and supply 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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