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microKool Portable Chillers UGH004/0999
3-14 INSTALLATION
If you have a PC-2 microprocessor control, you can automati-
cally start and stop the chiller from a remote switching or tim-
ing device that has power contacts rated 110VAC, such as the
process machine control.
Wiring the device to the chiller is accomplished through a dry
contact to the appropriate terminals on the motherboard. After
wiring the device to the unit, Auto Start must be enabled by
configuring a dip switch on the motherboard.
Disconnect and lockout power to the unit.
Open the electrical enclosure.
Punch a small hole in the left side of the
electrical enclosure.
The hole must be large enough to
accommodate conduit for the power contact wires from
your switching or timing device.
Insert the two power leads from the device
through the conduit into the electrical enclosure.
Connect the 110VAC device contact wires to
the Auto Start terminals.
Make sure terminals are
screwed tight.
INSTALLING THE
AUTO STA RT
FEATURE
(PC-2 CONTROL ONLY)
1
2
3
4
AC IN 4
AC IN + 3
AC OUT 2
AC OUT + 1
F1
LLS/WPS
LLS/WPS
AUTOSTART
AUTOSTART
HPS/LPS
HPS/LPS
OPS
OPS
FSTAT
FSTAT
6
5
4
3
2
1
4
3
2
1
5
WARNING: Electric shock hazard
This equipment is powered by high voltage. Always
disconnect and lock out the main power source
before opening the unit or the electrical enclosure to
modify factory settings. Failure to disconnect and
lock out the main power source can result in severe
personal injury.
IMPORTANT:
Always
refer to the wiring diagrams
that came with your unit
before making electrical con-
nections. The diagrams show
the most accurate electrical
component information.
Device contacts