50Tc 16 Unit Size - United Technologies Carrier WeatherMaker 50TC A08 Series Installation Instructions Manual

50TC 16 UNIT SIZE

WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
Unit cabinet must have an uninterrupted, unbroken electri-
cal ground to minimize the possibility of personal injury if
an electrical fault should occur. This ground may consist of
electrical wire connected to unit ground lug in control com-
partment, or conduit approved for electrical ground when
installed in accordance with NEC (National Electrical
Code); ANSI/NFPA 70, latest edition (in Canada, Cana-
dian Electrical Code CSA [Canadian Standards Associa-
tion] C22.1), and local electrical codes.
NOTE: Check all factory and field electrical connections for
tightness. Field-supplied wiring shall conform with the limita-
tions of minimum 63°F (33°C) rise.
Field Power Supply — For those units without through-the-
curb power, conduit must be used to route the main power from
the condenser end, via the power entry in the corner post of the
unit (see Fig. 37-39) to either the factory option disconnect or
the bottom of the control box. 1-in. conduit is provided
wrapped around compressor. A second conduit is provided
with factory installed powered convenience outlet. For those
units that require conduit larger than 1-in., it must be field sup-
plied. Figures 37-39 show the wire routings.
If the field disconnect is larger than 100A, it must be at-
tached to the unit using accessory CRDISBKT001A00 — dis-
connect switch bracket (see Fig. 40). Follow the instructions
provided with this accessory. For smaller field disconnects, be
sure to use 1 / -in. screws to mount the disconnect directly to the
2
end panel (see Fig. 41). In either case, set the disconnect verti-
cal location on the unit so that a 90 degree fitting can be used to
connect the conduit to the disconnect.
Fig. 37 — Conduit into Factory Option Disconnect
Fig. 38 — Conduit into Control Box
Fig. 39 — Conduit into Single Point Box
Fig. 40 — Mounting Position for Field Disconnects
24
(over 100A)