4-25. ENVIRONMENTAL CONTROL UNIT REMOTE CONTROL.
This task consists of:
General Mechanics Tool Kit, (Appendix B, Section III, Item 1)
General Safety Instructions
Before performing any maintenance actions on electrical equipment, ensure all
electrical power has been turned off. Failure to comply with this warning may
result in serious injury or death.
Remove Environmental Control Unit (ECU) Remote Control. See Figure 4-15.
Position ECU mode switch (1) to OFF.
Position Power Panel No. 2 circuit breakers A15CB1, A15CB2, A15CB3, or A15CB4 to OFF.
To prevent damage to ECU control connector pull ECU control straight out.
Loosen captive screw (2) and remove ECU control (3) from panel (4).
Install Environmental Control Unit (ECU) Remote Control. See Figure 4-15.
Install ECU control (3) into panel (4) by ensuring ECU control connector is aligned with mating connector and
secure by tightening captive screw (2).
Position Power Panel No. 2 circuit breakers A15CB1, A15CB2, A15CB3, or A15CB4 to ON.
Position ECU mode switch (1) to an operational mode and verify ECU operation.