MultiSmart Installation & Operation Manual
7.1 Power Supply
The MultiSmart pump station manager runs from an external 12 – 24 VDC (+/- 5%) power supply. This
external DC supply is connected to the DSP board as shown below:
Figure 33 – Power Supply
7.1.1 Power Consumption
The MultiSmart unit consumes up to 30W per unit during initial start-up, (inrush current) and 15W per unit
during continuous operation.
7.1.2 Power Supply Requirements
The MultiSmart must be used in conjunction with a power supply that meets or exceeds the specifications
listed in Table 1 – Power Supply Specifications.
NOTE:
To maintain UL compliance of the product, the power supply must also be UL Listed.
OUTPUT
DC Voltage 12 – 24 VDC
Power >30W
Voltage Tolerance + - 2.0%
Line Regulation + - 0.5%
Load Regulation + - 0.5%
INPUT
Voltage Range 85 ~ 264VAC (120~370VDC)
Frequency Range 47-63Hz
ENVIRONMENT
Working Temp 14°F ~ 140°F / -10°C ~ +60°C
Working Humidity
20-90% Relative Humidity non-
condensing
Storage Temp/ Humidity
-40°F ~ 185°F / -40°C~ +85°C,
(10~95% Relative Humidity)
Table 1 – Power Supply Specifications
Page 38 of 260 MultiSmart_IO_Manual_R20
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