Installation and Maintenance Manual

Installation - Electrical
106 RLC-SVX09H-EN
Power Supply Wiring
All power supply wiring must be sized and selected
accordingly by the project engineer in accordance with
NECTable 310-16.
All wiring must comply with local codes and the National
Electrical Code.The installing (or electrical) contractor
must provide and install the system interconnecting
wiring, as well as the power supply wiring. It must be
properly sized and equipped with the appropriate fused
disconnect switches.
The type and installation location(s) of the fused
disconnects must comply with all applicable codes.
Knock-outs for wiring are located on the upper left side of
the control panel.The wiring is passed through these
conduits and connected to the terminal blocks, optional
unit-mounted disconnects, or HACR type breakers. Refer
to Figure 44, p. 106.
To provide proper phasing of 3-phase input, make
connections as shown in field wiring diagrams and as
stated on the WARNING label in the starter panel. For
additional information on proper phasing, refer to “Unit
Voltage Phasing.” Proper equipment ground must be
provided to each ground connection in the panel (one for
each customer-supplied conductor per phase).
115 volt field-provided connections (either control or
power) are made through knockouts on the right side of
the panel (Figure 44). Additional grounds may be required
for each 115 volt power supply to the unit. Green lugs are
provided for 115V customer wiring.
WARNING
Proper Field Wiring and Grounding
Required!
All field wiring MUST be performed by qualified
personnel. Improperly installed and grounded field
wiring poses FIRE and ELECTROCUTION hazards. To
avoid these hazards, you MUST follow requirements for
field wiring installation and grounding as described in
NEC and your local/state electrical codes. Failure to
follow code could result in death or serious injury.
WARNING
Hazardous Voltage!
Disconnect all electric power, including remote
disconnects before servicing. Follow proper lockout/
tagout procedures to ensure the power can not be
inadvertently energized. Failure to disconnect power
before servicing could result in death or serious injury.
NOTICE:
Use Copper Conductors Only!
Unit terminals are not designed to accept other types of
conductors. Failure to use copper conductors could
result in equipment damage.
Figure 44. Power entrance
Incoming
power entrance
High
voltage
entrance
(upper sd)
Low
voltage
entrance
(lower sd)