All Units; Disconnect Or Hacr - Carrier WeatherExpert 48LC 04 Series Installation Instructions Manual

Fig. 37 — Location of HACR Enclosure
Fig. 38 — Handle and Shaft Assembly for HACR
UNITS WITHOUT FACTORY-INSTALLED NON-FUSED

DISCONNECT OR HACR

When installing units, provide a disconnect switch per NEC
(National Electrical Code) of adequate size. Disconnect sizing
data is provided on the unit informative plate. Locate discon-
nect sizing data on unit cabinet or within sight of the unit per
national or local codes. Do not cover unit informative plate if
mounting the disconnect on the unit cabinet.

ALL UNITS

All field wiring must comply with NEC and all local codes.
Size wire based on MCA (Minimum Circuit Amps) on the unit
informative plate. See Fig. 29 and the unit label diagram for
power wiring connections to the unit power terminal blocks
and equipment ground. Maximum wire size is #2ga AWG per
pole on contactors. #2ga AWG per pole on optional disconnect
or HACR. See Fig. 29 and unit label diagram for field power
wiring connections.
Provide a ground-fault and short-circuit over-current protection
device (fuse or breaker) per NEC Article 440 (or local codes).
Refer to unit informative data plate for MOCP (Maximum
Over-Current Protection) device size.
NOTE: Units ordered with factory installed HACR do not need an
additional ground-fault and short-circuit over-current protective
device unless required by local codes.
All field wiring must comply with the NEC and local
requirements.
All units except 208/230-v units are factory-wired for the volt-
age shown on the nameplate. If the 208/230-v unit is to be con-
nected to a 208-v power supply, the control transformer must
be rewired by moving the black wire with the
spade connector from the 230-v connection and moving it to
the 200-v 1 / -in. male terminal on the primary side of the trans-
4
former. Refer to unit label diagram for additional information.
NOTE: Check all factory and field electrical connections for
tightness.
CONVENIENCE OUTLETS
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal inju-
ry or death.
Units with convenience outlet circuits may use multiple
disconnects. Check convenience outlet for power status be-
fore opening unit for service. Locate its disconnect switch,
if appropriate, and open it. Lock-out and tag-out this
switch, if necessary.
Two types of convenience outlets are offered: non-powered
and unit-powered. Both types provide a 125-v GFCI (ground-
fault circuit-interrupter) duplex receptacle rated at 15-A behind
a hinged waterproof access cover, located on the end panel of
the unit. See Fig. 39.
Convenience
Outlet
GFCI
Pwd-CO
Fuse
Switch
Fig. 39 — Convenience Outlet Location
24
1 / -in. female
4
WARNING
Pwd-CO
Transformer
Control Box
Access Panel