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3.2 Installing a MaCe mains powered trickle charger
In certain applications or where the use of a solar panel is impractical or
undesirable, the HM 3000 can be powered from any DC source of 16-30 Volts
(2Amps).
When the ambient temperature is less than -10°C (14F), the battery
should be removed to avoid permanent damage to the battery. the
hM 3000 should be powered by an external power source
1. The charger available from MACE (Part No. 850-323) comes complete with
a circular barrel connector that plugs directly into the electronics module.
the barrel connector for the 16-30VDC charger input is centre positive
2. Alternatively, if a DC source other than a MACE charger is used, this
is terminated using the same three-pin connector as for the solar panel
described above.
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3.3 powering the hM 3000 with an external battery
In certain applications, it may be desirable to power the HM 3000 with an
external battery.
1. The HM 3000 can be powered by an external 12V battery through the
dedicated "External Battery 12V" terminal. See photos below.
2. If a solar panel is connected to the HM 3000 as in Chapter 3.1, the internal
charging circuit of the HM 3000 will also charge the external battery. The
charging circuitry of the HM 3000 has a 20 Watt capacity.
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If the external battery is charged via its own solar panel and NOt
through the hM 3000 charging circuit, the internal hM 3000
battery will discharge completely
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MaCe HydRoMaCe 3000 Product Manual
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