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Install disconnect switch and power wiring in accordance
with all applicable local codes. See Fig. 13-15 and the unit
label diagram. For units with motor sizes less than 5 Hp
(3.7 kW), connect power wiring to unit with no. 10 ring termi-
nal. For units with motor sizes of 5 Hp (3.7 kW) or more,
connect power wiring with 1/4 in. ring terminal.
FAN SCROLL
MOTOR
AND DRIVE
CONDENSATE
DRAIN
CONNECTION
(HORIZONTAL)
FILTER
ELEMENTS
FILTER
RETAINER
CLIP
LEGEND
TXV — Thermostatic Expansion Valve
Fig. 14 — Wiring and Service Access
(Side Panel Removed)
The FAS/FHS size 072-180 units that have motors wired for
460 v, 3 ph, 60 Hz operation can be field-converted to
208/230 v, 3 ph, 60 Hz operation. Rewire the motor accord-
ing to the diagram plate on the motor. After reconfiguring the
motor, mark the motor specifying 208 v or 230 v operation
replacing the 460 v sticker information on the units' corner
post.
FAS-FHS-072-180-01SI Rev. A
Fan motors are factory-installed on all units. Indoor-fan
contactors are located in the fan contactor box behind the
side access panel. (See Fig. 14 and 15.) Wire the thermo-
stat to the 24-v control circuit terminal block located in the
side of the fan contactor control box, according to Fig. 16 or
the unit label diagram. If the air handler is part of a split
system, complete the wiring from the condensing unit to the
thermostat shown in Fig. 16.
FAN
CONTACTOR
BOX
WIRE
ACCESS
FAN DRIVE
PULLEY
COIL
TXV BULB
ACCESS
FAN
REFRIGERANT
CONTACTOR
PIPING ACCESS
CONDENSATE
24V
DRAIN
TERMINAL
CONNNECTION
BLOCK
(VERTICAL)
POWER
WIRING
KNOCKOUT
Fig. 15 — Fan Contactor Box and Terminal Block
Specifications subject to change without notice.
(Cover Removed) (Typical)
21
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