26 – 1
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0
Section 26
•
Remote Oil Cooler
Overview
This screen allows the operator to view and adjust
Remote Oil Cooler setpoint settings associated with
Remote Oil Cooler operation, see Figure 26-1. This
screen will only be active if the Remote Oil Cooler Control
option has been enabled from the Con
fi
guration Screen,
see Section 19.
The Remote Oil Cooler Control operation allows the cy-
cling of fans and pumps in order to maintain a speci
fi
c
Remote Oil Cooler Temperature. The
fi
ve different steps
in step control allow selection of fans, pumps and VFD
in one or more steps. When a VFD is employed, VFD is
allowed to reach maximum speed, then if additional ca-
pacity is needed, the next fan or pump is brought on.
The VFD will modulate down and then back up to 100%
again, then the next fan or pump is brought on. This
method allows the smoothest Remote Oil Cooler control
by spacing the VFD between the fan and pump steps,
while maintaining a Remote Oil Cooler Temperature
pressure that matches the setpoint.
Remote Oil Cooler Setpoint
Run Mode:
• Run Mode allows the selection of different modes of
operation for Remote Oil Cooler. The choices for se-
lection are;
Run Never
• The mode of operation by default. Remote Oil Cooler
operation will not be performed when this mode is
active.
Run With Comp
• Automatic operation of Remote Oil Cooler selected
when cooling control is required to only run when the
compressor is running.
Run Always
• Automatic operation of Remote Oil Cooler selected
when cooling control is required to run even when
the compressor is off.
Figure 26-1. Remote Oil Cooler Screen (Page 1)
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