Aluminium heat exchanger A20

1398SAE004EN00 - 13-04-2017

Aluminium heat exchangerA20 398SAE004EN00 - 13-04-2017Before using the heat exchanger, carefully read the document entitled GENERAL INSTRUCTIONS FOR HEAT EXCHANGER USE.

A20

398SAE004EN00

12V-24V DimensionsA20

2 398SAE004EN00 - 13-04-2017

°

150

250 50 45

345 ±2

48,

5

32,

5

206 ±2

316

,5 ±

5

H ±

5

48,

5

65

5

N°4 Ø11

232

±4

2

6

259

±4

3

45 40

L MAX

125

155

26

M22X1,5

N°2 G 3/4T

Bypass

C

Code Description Ø Fan

mm

Air flow

m³/h

Voltage

V

Amperage

A

L Max

mm

H

mm

Weight

Kg

Capacity

l

1427 A20 1EAP 12V bypass T15 V.T. 3 bar 60°C 225 1060 12 7,1 140 317,5 4,7 1,45

1428 A20 1ESP 12V bypass T15 V.T. 3 bar 60°C 225 1060 12 7,1 140 317,5 4,7 1,45

1429 A20 1EAP 12V bypass T15 VNR 4.5 bar 225 1060 12 7,1 140 301,5 4,7 1,45

1430 A20 1ESP 12V bypass T15 VNR 4.5 bar 225 1060 12 7,1 140 301,5 4,7 1,45

1431 A20 1EAP 24V bypass T15 V.T. 3 bar 60°C 225 1060 24 3,5 140 317,5 4,7 1,45

1432 A20 1ESP 24V bypass T15 V.T. 3 bar 60°C 225 1060 24 3,5 140 317,5 4,7 1,45

1433 A20 1EAP 24V bypass T15 VNR 4.5 bar 225 1060 24 3,5 140 301,5 4,7 1,45

1434 A20 1ESP 24V bypass T15 VNR 4.5 bar 225 1060 24 3,5 140 301,5 4,7 1,45

1435 A20 1EAP 12V 225 1060 12 7,1 140 317,5 4,7 1,45

1436 A20 1ESP 12V 225 1060 12 7,1 140 317,5 4,7 1,45

1437 A20 1EAP 24V 225 1060 24 3,5 140 317,5 4,7 1,45

1438 A20 1ESP 24V 225 1060 24 3,5 140 317,5 4,7 1,45

12V-24V

Dimensions

12V-24VCharacteristic curves A20

3398SAE004EN00 - 13-04-2017

Heat exchange capacity

Temperature difference

20 30 40 50[°C]

2

3

4

5

6[kW]

25 l/min

50 l/min

125 l/min

Radiator passage pressure drop

Constant temperature

0 25 50 75 100 125[l/min]

0.0

0.5

1.0

1.5[bar]

TOIL = 40°C

32 cSt

46 cSt

68 cSt

Constant viscosity

0 25 50 75 100 125[l/min]

0

1

2

3

4

5

6[bar]

µOIL = 46 cSt

40°C

60°C

80°C

Bypass passage load loss

VT thermostatic bypass

40 60 80 100[°C]

0

1

2

3

4

5

6[bar]

Q = 20 l/min

TOIL = 40°CµOIL = 32 cSt

dOIL = 0.870 kg/dm3

0 40 80 120[l/min]

0

1

2

3

4[bar]

T = 60°Cn

TOIL = 40°CµOIL = 32 cSt

dOIL = 0.870 kg/dm3

VNR pressure bypass

0 40 80 120[l/min]

0

1

2

3

4[bar]

T = 60°C

TOIL = 40°CµOIL = 32 cSt

dOIL = 0.870 kg/dm3

Bypass valves

Thermostatic T15 VT 3 bar

60°C

29

3

2

31,8

M27x2

Pressure T15 VNR 4.5 bar

31,8

13

3

2

M27x2

LegendA20 Exchanger type

1E 1 Fan unit

AP High power aspirating

SP High power blower

AX Extra high power aspirating

SX Extra high power blower

12V Fan unit voltage

24V Fan unit voltage

T15 VT Thermostatic bypass valve 3 bar 60°C

T15 VNR Pressure bypass valve at 4.5 bar

Characteristic curves

230V-380VA DimensionsA20

4 398SAE004EN00 - 13-04-2017

°

250 50 45

345 ±2

48,

5

32,

5

206 ±2

316

,5 ±

5

H ±

5

48,

5

65

5 150

N°4 Ø11

232

±4

2

6

259

±4

3

45

125

155 2

6

40

L MAX

M22X1,5

N°2 G 3/4

T

Bypass

C

Code Description Ø Fan

mm

Power

W

Frequency

Hz

Velocity

min-¹

IP

Rating

L Max

mm

H

mm

Weight

Kg

Capacity

l

1439 A20 1EA 230V bypass T15 V.T. 3 bar 60°C 200 78 50

602600 2900 44 146 316 7 1,45

1440 A20 1ES 230V bypass T15 V.T. 3 bar 60°C 200 78 50

602600 2900 44 146 316 7 1,45

1441 A20 1EA 230V bypass T15 VNR 4.5 bar 200 78 50 60

2600 2900 44 146 300 7 1,45

1442 A20 1ES 230V bypass T15 VNR 4.5 bar 200 78 50 60

2600 2900 44 146 300 7 1,45

1443 A20 1EA 400V bypass T15 V.T. 3 bar 60°C 200 70 50

602600 2900 44 146 316 7 1,45

1444 A20 1ES 400V bypass T15 V.T. 3 bar 60°C 200 70 50

602600 2900 44 146 316 7 1,45

1445 A20 1EA 400V bypass T15 VNR 4.5 bar 200 70 50 60

2600 2900 44 146 300 7 1,45

1446 A20 1ES 400V bypass T15 VNR 4.5 bar 200 70 50 60

2600 2900 44 146 300 7 1,45

1447 A20 1EA 230V 200 78 50 60

2600 2900 44 146 317,5 7 1,45

1448 A20 1ES 230V 200 78 50 60

2600 2900 44 146 317,5 7 1,45

1449 A20 1EA 400V 200 70 50 60

2600 2900 44 146 317,5 7 1,45

1450 A20 1ES 400V 200 70 50 60

2600 2900 44 146 317,5 7 1,45

230V-380VA

Dimensions

230V-380VACharacteristic curves A20

5398SAE004EN00 - 13-04-2017

Heat exchange capacity

Temperature difference

20 30 40 50[°C]

1

2

3

4

5

6[kW]

25 l/min

50 l/min

125 l/min

Radiator passage pressure drop

Constant temperature

0 25 50 75 100 125[l/min]

0.0

0.5

1.0

1.5[bar]

TOIL = 40°C

32 cSt

46 cSt

68 cSt

Constant viscosity

0 25 50 75 100 125[l/min]

0

1

2

3

4

5

6[bar]

µOIL = 46 cSt

40°C

60°C

80°C

Bypass passage load loss

VT thermostatic bypass

40 60 80 100[°C]

0

1

2

3

4

5

6[bar]

Q = 20 l/min

TOIL = 40°CµOIL = 32 cSt

dOIL = 0.870 kg/dm3

0 40 80 120[l/min]

0

1

2

3

4[bar]

T = 60°Cn

TOIL = 40°CµOIL = 32 cSt

dOIL = 0.870 kg/dm3

VNR pressure bypass

0 40 80 120[l/min]

0

1

2

3

4[bar]

T = 60°C

TOIL = 40°CµOIL = 32 cSt

dOIL = 0.870 kg/dm3

Bypass valves

Thermostatic T15 VT 3 bar

60°C

29

3

2

31,8

M27x2

Pressure T15 VNR 4.5 bar

31,8

13

3

2

M27x2

LegendA20 Exchanger type

1E 1 Fan unit

AP High power aspirating

SP High power blower

AX Extra high power aspirating

SX Extra high power blower

12V Fan unit voltage

24V Fan unit voltage

T15 VT Thermostatic bypass valve 3 bar 60°C

T15 VNR Pressure bypass valve at 4.5 bar

Characteristic curves

Hydraulic actuation DimensionsA20

6 398SAE004EN00 - 13-04-2017

°

50 250 45

150

345 ±2

48,

5

32,

5

316

,5 ±

5

206 ±2

H ±

5

48,

5

65

5

N°4 Ø11 125

155

232

±4

2

6

3

45 40 75

L MAX

260

±4

26

M22X1,5

N°2 G 3/4T

Bypass

C

Code Description Ø Fan

mm

Displacement motors cm3/h

L Max

mm

H

mm

Weight

Kg

Capacity

l

1451 A20 IA MOT. IDR. GR1 bypass T15 V.T. 3 bar 60°C 220 6 255 316 7 1.45

1452 A20 IS MOT. IDR. GR1 bypass T15 V.T. 3 bar 60°C 220 6 255 316 7 1.45

1453 A20 IA MOT. IDR. GR1 bypass T15 VNR 4.5 bar 220 6 255 300 7 1.45

1454 A20 IS MOT. IDR. GR1 bypass T15 VNR 4.5 bar 220 6 255 300 7 1.45

1455 A20 IA MOT. IDR. GR1 220 6 255 317.5 7 1.45

1456 A20 IS MOT. IDR. GR1 220 6 255 317.5 7 1.45

Hydraulic actuation

Dimensions

Hydraulic actuation Characteristic curves A20

7398SAE004EN00 - 13-04-2017

Heat exchange capacity

Temperature difference

20 30 40 50[°C]

2

3

4

5

6[kW]

2000 min− 1

25 l/min

50 l/min

125 l/min

Radiator passage pressure drop

Constant temperature

0 25 50 75 100 125[l/min]

0.0

0.5

1.0

1.5[bar]

TOIL = 40°C

32 cSt

46 cSt

68 cSt

Constant viscosity

0 25 50 75 100 125[l/min]

0

1

2

3

4

5

6[bar]

µOIL = 46 cSt

40°C

60°C

80°C

Bypass passage load loss

VT thermostatic bypass

40 60 80 100[°C]

0

1

2

3

4

5

6[bar]

Q = 20 l/min

TOIL = 40°CµOIL = 32 cSt

dOIL = 0.870 kg/dm3

0 40 80 120[l/min]

0

1

2

3

4[bar]

T = 60°Cn

TOIL = 40°CµOIL = 32 cSt

dOIL = 0.870 kg/dm3

VNR pressure bypass

0 40 80 120[l/min]

0

1

2

3

4[bar]

T = 60°C

TOIL = 40°CµOIL = 32 cSt

dOIL = 0.870 kg/dm3

Bypass valves

Thermostatic T15 VT 3 bar

60°C

29

3

2

31,8

M27x2

Pressure T15 VNR 4.5 bar

31,8

13

3

2

M27x2

LegendA20 Exchanger type

1E 1 Fan unit

AP High power aspirating

SP High power blower

AX Extra high power aspirating

SX Extra high power blower

12V Fan unit voltage

24V Fan unit voltage

T15 VT Thermostatic bypass valve 3 bar 60°C

T15 VNR Pressure bypass valve at 4.5 bar

Characteristic curves

Accessories SectionA20

8 398SAE004EN00 - 13-04-2017

ConnectorCode

AMP connector 180908

Left supporting foot

155

15 125 15

18 56 81

61.

25 ±

2

2

58

74 16 18

13

20 42

31

Code

Left supporting foot FR290000011

Right supporting foot

155 15 125 15

61.

25 ±

2

18 56 81

13

20 42

31

58

2

16 18

74

Code

Right supporting foot FR290000012

Accessories

Section

AccessoriesSection A20

9398SAE004EN00 - 13-04-2017

Thermostats

Ch 29

6.35

0.8

11.4

35

X

12

Trigger temperature °C Code

45 - 35 M22x1.5 FR 361104535

60 - 50 M22x1.5 FR 361106050

80 - 70 M22x1.5 FR 361108070

82 - 68 M22x1.5 FR 361108268

85 - 76 M22x1.5 FR 361108576

IP54 protected thermal switch

Ch 24

40.5

13

ø 33

55

X

Trigger temperature °C Code

45 - 35 M22x1.5 FR 361124535

50 - 40 M22x1.5 FR 361125040

60 - 50 M22x1.5 FR 361126050

70 - 60 M22x1.5 FR 361127060

80 -70 M22x1.5 FR 361128070

IP65 protected thermal switch

57

13,5

12

Ch 27

1 2

M4

45

Ø3334

X

Trigger temperature °C Code

45 - 35 M22x1.5 FR 361154535

47 - 36 M22x1.5 FR 361155040

60 - 50 M22x1.5 FR 361156050

80 - 70 M22x1.5 FR 361158070