Field Power Supply - Carrier WeatherExpert 50LC14 Installation Instructions Manual

FIELD POWER SUPPLY

If equipped with optional powered convenience outlet: the power
source leads to the convenience outlet's transformer primary are
not factory connected. Installer must connect these leads accord-
ing to required operation of the convenience outlet. If an always-
energized convenience outlet operation is desired, connect the
source leads to the line side of the unit-mounted disconnect.
(Check with local codes to ensure this method is acceptable in
your area.) If a de-energize via unit disconnect switch operation of
the convenience outlet is desired, connect the source leads to the
load side of the unit disconnect. On a unit without a unit-mounted
disconnect or HACR, connect the source leads to the terminal
block with unit field power leads. See Fig. 40.
BLK
YEL
BLU
LOAD
SIDE
LINE
SIDE
SEE
DETAIL
L1
L2
L3
A
DETAIL
Fig. 40 — Location of TB1
A
CONTROL BOX
Field power wires are connected to the unit at line-side pressure
lugs on the terminal block (see wiring diagram label for control
box component arrangement) or at factory-installed option non-
fused disconnect switch or HACR breaker. Use copper conductors
only. See Fig. 41.
Figure 42-48 are typical control and power wiring diagrams.
NOTE: Make field power connections directly to line connection
pressure lugs only.
FIRE HAZARD
Failure to follow this warning could result in personal injury,
death, or property damage.
Do not connect aluminum wire between disconnect switch and
unit. Use only copper wire.
ELECTRIC
DISCONNECT
SWITCH
Fig. 41 — Disconnect Switch and Unit
29
WARNING
COPPER
WIRE ONLY
ALUMINUM
WIRE