Model: 5731
Hydraulic Power Unit
08/2016 | Rev. 08
Page | 6
5.3
LOCATION & LAYOUT OF CONTROLS (
continued
)
5.3.2
Electrical Control Panel
Emergency Stop ..................................... Removes power to all electrical devices, must turn to reset.
Stop Switch ............................................ Turns off the electric motors driving the hydraulic pump and cooling fan.
Start Switch ............................................ Turns on the electric motors driving the hydraulic pump and cooling fan.
HPU Power "On" Indicator Light ............. Light is illuminated when the electric motors driving the hydraulic pump and
cooling fan are on.
High Fluid Temperature ......................... Light is illuminated when the return fluid temperature reaches 160
F (71
C) or
Indicator Light
above. The HPU will shut down when light is illuminated. The HPU can be re-
started when the fluid has cooled and the indicator light is off.
High Reservoir Fluid Level ..................... Light is illuminated when the fluid level in the reservoir is above the normal
Indicator Light
(Option L)
operating range. The HPU will shut down until the fluid level is restored to a
normal operating level.
Low Reservoir Fluid Level ...................... Light is illuminated when the fluid level in the reservoir is below the normal
Indicator Light
(Option L)
operating range. The HPU will shut down until the fluid level is restored to a
normal operating level.
Voltage/Phase Monitor ........................... Light is illuminated if any of the following conditions occur
Indicator Light
(Options H
J)
Voltage imbalance between L1, L2, L3, greater than 5%
Loss of voltage from L1, L2, L3
Over voltage from L1, L2, L3, greater than 5%
Change in phase orientation between L1, L2, L3. The HPU will shut down
until the electrical problem is corrected.
Clogged Pressure Filter Indicator ........... Light is illuminated when the pressure filter element requires changing. The HPU
will not shut down when illuminated. Pressing the illuminated button will reset the
light.
5.3 Location & Layout of Controls continued on following page.
FIGURE 5.3.2
Electrical Control Panel
Содержание 5731
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