User Manual for BPS-2000
www.levitronix.com
PL-4021-00, Rev06, DCO# 21-037
3.4.2 Controller Temperature
Depending on the ambient temperature and the placement of the controller additional cooling may be
required (see Figure 23). To improve cooling of the controller, place the device into a moving air stream. If
the controller is mounted in a compact area or adjacent to additional heat sources (e.g. a 2
nd
controller)
ensure that there is sufficient ventilation. The below curves are measurements of the controller temperature
at 25 °C ambient. Equation (Eq. 2) shows how to calculate the controller temperature for at other ambient
temperatures based on this curve.
Figure 23: Temperature curves of controllers LPC-2000 vs. flow and speed for main configurations
77
87
97
107
117
127
137
147
157
167
0 5 10 15 20 25 30 35
25
30
35
40
45
50
55
60
65
70
75
0 20 40 60 80 100 120 140
[°F]
[gpm]
[°C]
[lpm]
Ambient temp. = 25 C
Specific gravity = 1 g/cm
3
Viscosity = 0.7 cP
Absolute Temperature Limit
77
87
97
107
117
127
137
147
157
167
0 5 10 15 20 25 30 35
25
30
35
40
45
50
55
60
65
70
75
0 20 40 60 80 100 120 140
[°F]
[gpm]
[°C]
[lpm]
Ambient temp. = 25 C
Specific gravity = 1 g/cm
3
Viscosity = 0.7 cP
Absolute Temperature Limit
77
87
97
107
117
127
137
147
157
167
0 2 4 6 8 10 12 14 16 18 20 22
25
30
35
40
45
50
55
60
65
70
75
0 10 20 30 40 50 60 70 80
[°F]
[gpm]
[°C]
[lpm]
Ambient temp. = 25 C
Specific gravity = 1 g/cm
3
Absolute Temperature Limit
Pump Head LPP-2000.7
Pump Head LPP-2000.20
9500 rpm
“High Flow”:
Typical data for pump head LPP-
2000.22
Representative for pump head LPP-
2000.14
Operation with controllers LPC-
2000.x and motors LPM-2000.x
Temperature is measured inside of
the controller.
“Hybrid”:
Typical data for pump head LPP-
2000.21
Operation with controllers LPC-
2000.x and motors LPM-2000.x
Temperature is measured inside of
the controller.
“High Pressure”:
Typical data for pump heads LPP-
2000.7 and LPP-2000.20
Operation with controllers LPC-
2000.x and motors LPM-2000.x
Temperature is measured inside of
the controller.
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