19
WFS 101545 Operations Manual
5)
OPERATOR CONTROLS
Other than the mechanical ON/OFF switch and the E-Stop push button all controls are through
a touch screen HMI. See Figure 5-1
WARNING!
The Control cabinet
contains High Voltage
electrical connections.
Accidental contact with
electrically live
components can cause
serious injury or death.
Always disconnect
electrical power from
source and lock out/tag
out when working inside
the Control Panel
Only trained and qualified
personnel may open the
Control Panel
Operator controls consist of four components
Power ON-OFF selector switch
Power On Pilot Light
E-Stop detented push button
Touch Screen HMI
a.
Power ON-Off Selector Switch
This switch activates the control power. This turns control power on.
WARNING:
This switch
DOES NOT
turn off AC power within the control cabinet. High Voltage
AC current is still on inside the cabinet even when this switch is in the OFF position.
Disconnect power from outside source before opening the control cabinet.
b.
E-Stop Push Button
The E-Stop push button stops all pumps and the chiller. It is detented. After it has been
depressed it must be physically pulled out to permit resetting the controls.
NOTE: Control Power remains on even with this switch depressed.
c.
Power On Pilot Light
FIGURE 5-1
Содержание WFS - 101545
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