UGH017/0500
Series 1 Portable Chillers, PLC Control
I
NSTALLATION
3-9
WARNING: Improper installation, oper-
ation, or servicing may result in equip-
ment damage or personal injury.
This equipment should only be installed, adjust-
ed, and serviced by qualified technical person-
nel who are familiar with the construction, oper-
ation, and potential hazards of this type of
machine.
All wiring, disconnects and fuses should be
installed by qualified electrical technicians in
accordance with electrical codes in your region.
Always maintain a safe ground. Do not operate
the equipment at power levels other than what
is specified on the machine serial tag and data
plate.
WARNING: Electrical hazard
Before performing any work on this item, dis-
connect and lock out electrical power sources to
prevent injury from unexpected energization or
startup.
Open the chiller’s electrical enclosure.
Connect the power wires
to the terminals (see the wiring
diagrams that came with your
machine). Route the power
cable through the hole in the
side of the chiller to the elec-
trical enclosure.
Check terminal screws
to make sure wires are secure.
Gently tug each wire; if wire is loose, use a
screwdriver to tighten the terminal.
Connect the ground wire to grounding lug.
1
2
3
4
Grounding
lug
The 575V, 1 1/2 - 4 Hp
units utilize a transformer;
power wires must be con-
nected to the line side of
the transformer.
C
ONNECTING
THE
M
AIN
P
OWER
S
OURCE