User Instructions
Electrical
Installation
Figure 2.5
Power Connection Terminals
1. Hazard of electric shock. The heat transfer system must be
grounded using grounding means provided in control box
and employing wiring by a qualifi ed electrician in
accordance with National Electric Code. Failure to comply
can result in electrical shock or electrocution.
2. Hazard of electric shock. Disconnect all power before
servicing the heat transfer system. Failure to comply can
result in electrical shock or electrocution.
Fusing or other over-current protection must be supplied to the
system by the user.
The unit is completely wired when shipped. The only wiring nec-
essary is to the blue colored terminals L1, L2, L3, and the green-
and-yellow colored ground. To make these connections:
1. Loosen the screw on the front electrical enclosure door to
unlock the latch.
2. Open the front electrical enclosure door. Using 90°C wire
sized per National and local codes, run each leg of the three
phase supply power and ground to the appropriate terminals
as shown in Figure 2.5.
3. A separate fused disconnect is required. Locate this fused
disconnect near the equipment. Codes may require the
location of disconnect in sight of operation standing next to
the equipment. Consult applicable codes for details.
Control Voltage fuse
WARNING
11
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