RD-2-7783 (REV. A) Page 5 SUBJECT TO CHANGE WITHOUT NOTICE
5. Orange Wire (condenser fan circuit): Connect to an ignition switch supply through a 15 amp circuit breaker (24V) or 30 amp
circuit breaker (12V).
6. Open the fuse cover on the unit, and remove the M5 nut and lock washer from the open position of the fuse holder.
7. Connect a 4GA Red power cable with ring terminal connection to the open position of the 100A (24V)/150A (12V) fuse,
reinstall M5 nut and lock washer (torque 35-44 in-lb), and reinstall fuse cover.
8. Remove the M6 nut and lock washer from the black grounding terminal block near the compressor, attach a 4GA black
ground cable with ring terminal, and reinstall M6 lock washer and nut (max. torque: 60 in-lb).
9. Remove the (2) M6 screws holding the 5/8” P-Clamps to the air plenum box and route both the black ground and red power
cables through the P-Clamps.
10. Route black ground cable along #10 copper suction tube and secure with (2) tie wraps.
11. Secure P-Clamps back into place using the same M6 screws.
12. Remove the M6 screw holding the (2) ¼” P-Clamps to the housing gusset and route the red power cable through one clamp,
and the black ground cable through the other clamp.
13. Secure P-Clamps back into place using the same M6 screw.
14. Route power and ground cables to battery. Route cables around pivot point before connecting to battery on tilt-cab trucks.
15. Secure power and ground cables with P-Clamps as needed.
COMPRESSOR WIRING
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