QAS28 Yd(S), QAS28 YdS IT
24
Automatic battery charger
The “trickle charger” charges the battery completely and is discon-
nected once the unit starts up.
To prolong the lifespan of the batteries, the battery continuously
discharges via the lock-out switch of the battery charger and a small
resistor.
Engine cooling water heater
To make sure that the engine can start and accept load immediately,
an external cooling water heater (1000 W, 240 V) is provided
which keeps the engine temperature between 38 °C and 49 °C.
Extended control module
The standard control module is replaced by an extended module
which allows more detailed control of the unit.
The controls and indicators on the AMF control module are:
L1...... Mains available
Lights up when the mains is available.
L2...... Mains on load
Lights up when the mains supplies power towards the load.
L3...... Mains failed
Lights up when a failure occured on the mains.
L4...... Plant available
Lights up when the generator is running.
L5...... Plant on load
Lights up when the generator supplies power towards the load.
L6...... Plant fail
Lights up when a failure occured on the generator.
L7...... Start fail
Indicates that four start attempts were not sufficient to start up
the engine.
L8...... Undervoltage shut down
Lights up when AC input interruption or failure was the cause
of shut down.
When the unit is shut down for a longer period or
will be stored, make sure to switch off the lock-out
switch of the battery charger to prevent the battery
from discharging completely.
1
0
G
G
G
G
Hz>
L2
L3
L4
ST
P2
P2
P1
L5
L6
L7
L8
L9
L10
L12
P4
P3
P5
L11
L1
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