Program Information Mobile Hydraulics, Mobile ... - ERGOVIAL

Hydrostatic Fan Drive
Used in materials handling systems,
construction machinery, buses,
HGV and passenger cars with proportional
speed control. Comprises
the following parts:
• External gear motor with proportional
pressure relief valve
• Single or multi-channel electronics
• Temperature sensors for liquid
and air
U For fan ratings up to 20 kW
U Proportional fan speed control
U Fail-safe response following
power failures
U Little hydraulic energy loss
U Precise coolant temperature
control
Detailed information:
Data sheet Order No. 1987761700
Further information on fan drives
(up to 250 kW) RE 98065
Gear motor with proportional pressure relief valve
Size 5 8 11 14 16 19 22
Displacement Vg max cm 3
5,5 8 11 14 16 19 22,5
Max. speed at p1 n rpm 3000…4000
Min. speed at p1 n rpm 500
Prop. pressure relief valve, flow rate Qmax L/min 150
Prop. pressure relief valve, operating pressure pmax bar 210
Solenoid voltage U V 12, 24
Power consumption, solenoid P W 18
Weight m kg 3,45 3,5 3,6 3,8 4 4,2 4,4
Single-channel electronics
Analog control amplifier with voltage controller, one analog input, adjustment of working range and
one power output with short-circuit protection for one proportional valve.
Electrical connection 6-pin
Operating voltage 11…36 V = (battery)
Multi-channel electronics
Analog control amplifier with voltage controller, comparison of setpoint and actual value for three analog inputs,
one switch input and one power output with short-circuit protection for one proportional valve.
Electrical connection 15-pin
Operating voltage 11…36 V = (battery)
PTC temperature sensor for liquids
Measuring range -30 °C…130 °C
PTC temperature sensor for air
Measuring range -40 °C…160 °C
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