12
Units with Factory--Installed Disconnect —
The factory--installed option disconnect switch is located
in a weatherproof enclosure located under the main
control box. The manual switch handle is accessible
through an opening in the access panel. Discard the
factory test leads (see Fig. 16).
Units Without Disconnect Option
Units With Disconnect Option
2
4
6
1
3
5
L1
L2
L3
Optional
Disconnect
Switch
Disconnect factory test leads; discard.
Factory
Wiring
11 13 13
L1
L2 L3
TB
C
IFC
(3 Phase
Indoor Motor)
(1 Phase Indoor Motor
and 1 Phase Unit)
208/230-1-60
208/230-3-60
460-3-60
575-3-60
Disconnect
per
NEC
C09011
Fig. 16 -- Power Wiring Connections
All units --
All field wiring must comply with NEC and all local
codes. Size wire based on MCA (Minimum Circuit Amps)
on the unit i nformative plate. See Fig. 16 and the unit
label diagram for power wiring c onnections to the unit
power terminal blocks and equipment ground. Maximum
wire size is #2 ga AWG per pole.
Provide a ground--fault and short--circuit over--current
protection device (fuse or breaker) per NEC Article 440
(or local codes). Refer to unit informati ve data plate for
MOCP (Maximum Over--current Protection) devic e size.
All field wiring must comply with the NEC and local
requirements.
Convenience Outlets —
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal
injury or death.
Units with convenience outlet circuits may use
multiple disconnects. Check convenience outlet for
power status before opening unit for servi ce. Locate
its di sconnect switch, if appropriate, and open it.
Tag--out this switch, if necessary.
!
WARNING
Two types of convenience outlets are offered on 50TCQA
models: Non--powered and unit--powered. Both types
provide a 125--volt 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. 17.
Convenience
Outlet
GFCI
Pwd-CO
Fuse
Switch
Pwd-CO
Transformer
Control Box
Access Panel
C08128
Fig. 17 -- Convenience Outlet Location
Installing Weatherproof Cover –
A weatherproof while-in-use cover for the
factory-installed convenie nce outlets is now required by
UL standards. This cover cannot be factory-mounted due
its depth; it must be installed at unit installation. For
shipment, the convenience outlet is cove red with a blank
cover plate.
The weat herproof cover kit is shipped in the unit’s control
box. The kit includes the hinged cover, a ba cking plate
and gasket.
DISCONNECT ALL P OWER T O UNIT AND
CONVENIENCE OUTLET.
Remove the blank cover plate a t the c onvenience outlet;
discard the blank cover.
Loosen the two screws at the GFCI duplex outlet, until
approximately
1
/
2
-in (13 mm) under screw heads are
exposed. Press the gasket over the screw heads. Slip the
backi ng pla te over the screw heads at the keyhole slots
and align with the gasket; tighten the two screws until
snug (do not over-tighten).
50TCQA
