035-15713-003 REV. A (0500)
10
Unitary Products Group
LOW VOLTAGE
Pig-tail connector wires are provided from the defrost control
board to the low voltage section of the control box. A “fin-
gered" bushing is provided in the low voltage knockout hole.
If 1/2" conduit is used for the low voltage wiring, the bushing
is to be removed.
1.
Route the low voltage cable through the fingered bush-
ing in the low voltage junction box. See Figures 10, 11 &
12.
2.
Using wire nuts, connect the low voltage wiring within the
low voltage box.
3.
A minimum of 19 AWG wire must be used in connecting
the low voltage control wiring between the outdoor unit,
air handler thermostat, and outdoor thermostat (if
required by HUD).
Connect thermostat and control package wiring as shown in
Figures 15 or 16 and per the instructions packed with those
pieces.
FIGURE 10 :
OUTDOOR UNIT CONTROL BOX
(10 SEER 018-060 & 12 SEER 018-042)
FIGURE 11 :
OUTDOOR UNIT CONTROL BOX
(12 SEER 048, 060)
FIGURE 12 :
OUTDOOR UNIT CONTROL BOX
(14 SEER)