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