Carrier 40QQ Series - FS Box Wiring Connections; FS Box Control Wire Connections

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5. Remove the side panel of the FS box control board. A
control wire harness will be included with the FS box
(See Fig 57).
Fig. 57 - FS Box with Panel Removed
6. Connect the green connector of the control wire to
CN02 on the FS box control board. Apply the plastic
strain relief mounted to the FS box. See Fig. 58.
CN02 Connecon
Plasc Strain
Relief
Fig. 58 - CN02 Connector and Plastic Strain Relief
7. On the other end, connect the black connector to
CN81 on the rooftop unit control board and push the
ferrite core through the rubber bushing to provi de
strain relief. Then bundle and tie the extra wire.
CN81
Connecon
Fig. 59 - CN81 Connector
Ferrite Core
Fig. 60 - Ferrite Core
8. Knock out the hole on the back of the FS box and
install a Romex connector (field- supplied) in the hole
as shown in Fig. 61. A power wire wil l be included
with the FS box.
Romex
Connector
Fig. 61 - Romex Connector
9. Connect the red connector on the power wire to CN01
on the FS box control board and use the Romex
connec tor as strain relief as shown in Fig. 62.
CN
01
Connecon
Fig. 62 - CN01 Connection
40QQ