Trane AM4A0A18S11SA Series, Installation, Operation And Maintenance Manual

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4 18-HE46D1-3
Installer’s Guide
9B) 200/230 Volt Heat Pump: See Figure 6
Disconnect the black fan motor lead from the defrost
board relay (The black wire is attached to the “N.C.”
terminal of the relay).
CAUTION
!
FIRMLY HOLD RELAY WHEN REMOVING WIRE.
Reconnect this fan motor lead to the black wire from the
solid state relay on the control module (This wire has a
sleeved, 1/4" male tab for attaching to the fan motor lead
wire terminal).
Connect the other black wire from the solid state relay to
the “N.C.” terminal on the defrost board relay (from
where the fan motor was disconnected).
Low voltage wires:
Connect the 3-pin wire assembly to J5 on the control
board (3-pin male connector).
NOTE:
To ease the insertion of the connector housing on to
the J5 header, place the connector on the tips of the
three header pins. Angle the connector upward toward
the header latch while pushing connector over the
header pins.
Connect the yellow lead wire to a 1/4" male tab on the
right hand side of the main contactor (low voltage
contactor coil terminal).
Connect the blue lead wire to the wire nut junction of the
blue wire.
Connect the orange lead wire to the wire nut junction of
the orange wire.
(New wire nuts are provided.)
6
200 / 230 VOLT HEAT PUMP