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OPERATION
On/Off/Charger Only Switch
For all operation as a battery back-up system the switch should be in the 'on' position, meaning the product is
fully functional, powering the pumps with through power during times of normal power supply, and inverter
power during a power outage. When mains power is not interrupted, the unit will charge the batteries also.
•
Charge states (see LED Indications on page 7 also)
•
Bulk - Heavy and fast charge for batteries that are very or fully depleted
•
Absorption - Final top up charge at a lower charge rate than Bulk
•
Float - Trickle charge for when batteries are fully charged to replace charge that is lost over time. This
ensures that the batteries are always fully charged
•
If the voltage at the "AC-in" terminal is not within specifications, during a power outage, for example, the
inverter will switch on, continuing power to the pumping system until the battery(s) is depleted
•
There is no need to switch the unit to "charger only" mode
LED Indications - Standard operating parameters of inverter and charger
Charger
mains on
on
bulk
off
apsorbtion
charger only
float
Pumps are powered by the mains through the MultiPlus. Charger is
operating in Bulk (heavy charge) mode.
mains on
on
bulk
off
apsorbtion
charger only
float
Pumps are powered by the mains through the MultiPlus. Charger
is in Absorption (top up charge) mode.
mains on
on
bulk
off
apsorbtion
charger only
float
Power is interrupted. Pumps are powered by the batteries through
the inverter.
mains on
on
bulk
off
apsorbtion
charger only
float
Power is interrupted. Inverter has switched off due to low battery
voltage.
MAINTENANCE
The unit does not require specific maintenance. All
connections should be checked once a year as part of
the pump servicing regime. Avoid moisture and oil/soot/
vapours, and keep the device clean.
Call us for more information on +44 (0)1732 360095
Inverter
Charger
inverter on
overload
low battery
temperature
Pumps are powered by the mains through the MultiPlus. Charger is
about to change from Bulk to Absorption (top up charge) mode.
inverter on
overload
low battery
temperature
Pumps are powered by the mains through the MultiPlus. Charger
is in Float (trickle charge) mode.
inverter on
overload
low battery
temperature
Power is interrupted. Pumps are powered by the batteries through
the inverter. The battery is almost fully exhausted.
inverter on
overload
low battery
temperature
Power is interrupted. Inverter internal temperature is approaching
a critical level.
Power is interrupted. Inverter has switched off due to high internal
temperature.
OPERATION AND MAINTENANCE
mains on
on
bulk
off
apsorbtion
charger only
float
mains on
on
bulk
off
apsorbtion
charger only
float
mains on
on
bulk
off
apsorbtion
charger only
float
mains on
on
bulk
off
apsorbtion
charger only
float
mains on
on
bulk
off
apsorbtion
charger only
float
Inverter
inverter on
overload
low battery
temperature
inverter on
overload
low battery
temperature
inverter on
overload
low battery
temperature
inverter on
overload
low battery
temperature
inverter on
overload
low battery
temperature
11
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