Carrier CRHEATER101A00 Installation Instructions Manual page 47

APPENDIX A — AC-1, AC-2 COOLING APPLICATIONS (cont)
Unit Control Box
Field
Power
Conductors
FU2
FU3
FU4
Factory wiring connects line-side
of FU2 to line-side terminals on FU3,4.
This wiring not illustrated for
simplicity in this figure.
Fig. Q — AC Single Point Box CRSINGLE051A00 (AC-1, Size 16; AC-2, Size 14)
B L K YEL
11 11
TB1
11
12
YEL
BLK
B L U
13
BLU
Heater
Wires
47
Tap
Conductors
HEATER
367A
or
368A
OR
HEATER
Attach
291A
To FU4