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9
Options available
9.1
Circuit diagrams
The engine control circuit diagrams and the power
circuit diagrams for the standard QES 60-85-105-
120-150-200 units, for the units with options and for
the units with combined options are:
Unit
Circuit
QES 60 Jd
1636 0112 38
QES 85-105-120-150-200 Jd
1636 0107 80
9.2
Overview of the electrical
options
The following electrical options are available:
– Automatic battery charger
– Battery switch
– Engine coolant heater
– Air heater for cold start
– Outlet sockets (S) - 3-phase
– IT-relay
9.3
Description of the electrical
options
9.3.1
Automatic battery charger
The 2 Amp battery chargers have been designed to be
permanently connected to a battery, keeping it
charged to maximum capacity. The charger will
continue to operate during cranking and running. It
can accept multiple AC voltage connections.
The LED on the bottom indicates that the unit is
operational.
The battery charger provides multi-stage intelligent
charging:
– Constant current: maximum current available
during charge recovery phase
– Constant voltage
– Chargers automatically return to float mode when
charging is complete
It also offers full protection:
– Reverse polarity protection, short circuit
protection and current limiting
– Automatic recovery after the removal of fault
conditions
To use the battery charger:
– Provide connector X4 with external power:
• terminals for inlet supply: 832 - 835
• terminals for outlet: X5.
