Carrier 58MXA Installation, Start-Up, And Operating Instructions Manual page 21

.... FIELD 24-V WIRtNG
.... FIELD 115-, 208/230-, 460-V WtRING
-- FACTORY 24-V WIRING
-- FACTORY 115-VWtRtNG
NOTE 2 I
FIVE W RE--
I
THREE-WIRE _
HEATING-ONLY _
7¿ :
q
115-V FIELD- AUXILIARY O F.
SUPPLIED J-BOX h_
DISCONNECT @
24-V
TERMINAL
BLOCK
FURNACE
NOTES: 1. Connect Y-terminal in furnace as shown for proper blower operation.
2. Some thermostats require a "C" terminal connection as shown.
3. If any of the original wire, as suppled, must be replaced, use
same type or equivalent
wire.
A99440
Fig. 27--Typical Heating and Cooling Application Wiring Diagram
ELECTRIC _C
DISCONNECT
SWITCH
OPPER
WIRE ONLY
®
A93033
National Electlical (:ode (NEC) ANSIiNFPA 70-2002 and any
local codes or ordinances that might apply For Canadian instal-
tations, all electrical connections must be made in accordance with
Canadian Electrical (?ode CSA (722,1 or authorities having juris-
diction, Use a separate, branch electrical circuit containing a
properly sized _ase or circuit breaker _br this fl/mace, See Table 4
for wire size and t:ime specifications. A disconnecting means must
be located within sight fiom and readily accessible to Nrnace,
NOTE: Proper polarity must be maintained for 115-v wiring. If
polarity is incon'ect, control LED stares indicator will flash rapidly
and _arnace will NOT operate,
Fig. 28--Disconnect Switch and Furnace
ALTERNATE --
FIELD
LOCATION
_J
S ACTORY
INSTALLED
LOCATION
Y
A00212
Fig. 29--Relocating J-Box
by power supply is sufficient to handle load imposed by this
equipment Refer to rating plate or Table 4 for equipment electrical
specifications Make all electrical connections in accordance with
FIRE HAZARD
Failure to fd!ow this warning could result in serious inju U,
death, or property damage
Do not connect alun_inun_ wire between disconnect switch
and _i/rnace, Use only copper wire (See Fig, 28)
ELECTRICAL SHOCK AND FIRE HAZARD
Failure to follow this warning could result in serious inju W,
death, or property damage,
The cabinet MUST have an unintetTupted or unbroken ground
according to NEC ANSI NFPA 70-2002 and ( anadian Elec-
trical (ode (SA (22i or local codes to minimize personal
injm'y if an electrical limit should occur, This may consist of
electrical wire or condtdt approved _Pr electrical ground when
installed in accordance with existing electrical codes Do not
use gas piping as an electrical ground
J-Box Relocation
1, Remove 2 screws holding auxiliaQ" J-box (See Fig. 29,)
2 Rotate J-box 180 ° and attach box to left side, using holes
provided
2i