Unit Location; Safety; General - Delta PowerMaxx DMS-280 Installation & Operating Instructions Manual

Pump station battery backup
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4.0

Unit location

The PowerMaxx must be positioned where there is sufficient air circulation to the top and base vents and
is permanently accessible for servicing. If using in conjunction with an AlertMaxx high level alarm, please
ensure the units are no further than a 20m cable length from each other.
MaxxConnect cable can be purchased per 10m (DMS-288). Do not join cables. Run full lengths only.
The PowerMaxx unit is not waterproof and must be installed indoors or inside a kiosk.
5.0

Safety

The PowerMaxx has 240V present at all times and can generate dangerous voltage even if the mains supply
is removed. The power switch only disables the ability to generate 240V from the battery pack, however
mains feeds are still live and present supplying the pumps. To be completely safe, remove the fuses from
both spurs, ensure the PowerMaxx unit is switched off and disconnect the battery pack.
6.0

General

The PowerMaxx can supply one or two pumps. The pumps should not require more than 425W, which is
the rating of a standard V3 pump. The supplies to the pump should be separately fused using non-switched
fused spurs and not on the same ring mains.
For technical support, please call 01279 757400
CAUTION!
Battery Type: Lead-acid
Battery Specification: 24V DC 22Ah
Caution: Replace with same type only
Risk of electric shock & chemical hazard.
Refer to the instruction manual for handling,
disposal & maintenance information.
PowerMaxx
5

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